Database System Cost And Its File Size Essay - 851 Words

1. Answer: Data processing means assembly and manipulation of items of data so that it produces meaningful information. Data means known facts that can be recorded and have implicit meaning. Processing of data can be done in many ways. †¢ Manually †¢ Automatically †¢ Computerized Following are the Advantages: †¢ Using same amount of data acquire more information. †¢ Sharing data †¢ Logical coherence †¢ Represents complex relationships among data †¢ Multiple users having access to the same data †¢ Providing multiple interfaces to different classes of user †¢ Confliction requirements †¢ Controlling redundancy in data storage and in development and maintenance †¢ Facilitating consistency †¢ Enforcing integrity constraints on the database †¢ Expanding security †¢ Backup and recovery services †¢ Data independence maintenance Following are the Disadvantages: †¢ Higher Complexity †¢ Database system cost and its file size †¢ Inefficient execution †¢ Greater impact of failure †¢ Hardship in achieving data recovery 2. Data independence allows application insulation. Physical Data Independence Logical Data Independence The capacity to modify schema definition in on level without disturbing schema definition in the next higher level Capacity to modify the logical schema without causing application program to be rewritten It is easier to accomplish than logical data independence. It is more difficult to accomplish. Modifications include changing from unblocked to blocked record storage, or fromShow MoreRelatedMigration of Database871 Words   |  4 PagesMigration of Databases – An XML Approach XML Database Migration is a project of migrating the existing databases into XML format. Conversion of databases to XML file format, the databases like Ms-Access, Oracle and MS-SQL, MySQL connects in the network or the oracle in the personal computer can be connected for the generation of XML code. Let us consider, user runs a firm with three companies with different database’s respectively. User planned to mingle the entire database’s of the firm in toRead MoreMigration of Database881 Words   |  4 PagesMigration of Databases – An XML Approach XML Database Migration is a project of migrating the existing databases into XML format. Conversion of databases to XML file format, the databases like Ms-Access, Oracle and MS-SQL, MySQL connects in the network or the oracle in the personal computer can be connected for the generation of XML code. Let us consider, user runs a firm with three companies with different database’s respectively. User planned to mingle the entire database’s of the firm in to aRead MoreHierarchical And Directory Based Database Essay1262 Words   |  6 PagesHomogenous database It is a distributed database where each site shares a common software and the same copy of database. These sites connect with each other and fulfill their requirements accordingly. 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There is wastage of time as the process of transferring data is time consuming, there is no security as data can be misplaced, accuracy can be another problem faced by gym management while transferring data as error can occur while transferring data from the file, concurrency only one person can use data from file at one time so concurrency is another problem, and backup once file lost data is neverRead MoreDatabase Management System Software ( Dbms )1557 Words   |  7 PagesIntroduction Database management system software (DBMS) is the software that can operate on the front and back end of an organization’s database. As do the database requirements of an organization differ, so do the types of DBMS software. The type of DBMS software required can often be narrowed down to the organization’s size and industry (Mohamed 2016). Currently, the top three DBMSs are Oracle, MySQL, and Microsoft SQL Server (â€Å"Microsoft SQL Server vs. MySQL vs. Oracle Comparison† 2016).

Public Services Funded By Taxpayer Money - 908 Words

Through my online class, I got the chance to learn about socialism, communism and capitalism. They are all different from each other even though there are some similar stuff between them there is a little thing that distinguishes each one from each other. In this paper, I will go through each term and how each and everyone is different from each other. First of all Socialism is a system of society in which the means of production are owned and controlled by the state. It mostly relies on governmental planning, preferably than the marketplace, to spread resources. Although it is possible for individuals living in a socialist country to own businesses or offer professional services directly to buyers, they are usually taxed heavily on their profits. There are typically many public services funded by taxpayer money. The citizens are expected to work, but the government provides services such as education, healthcare, and public transportation for free or at very low cost. Socialist countries also usually have large social welfare systems to support the unemployed, disabled, and elderly. The second topic is Communism which is economic and political ideology based on communal ownership and the absence of class. It is usually compared as the opposite of the capitalism. The defenders of the communism believe that the working class is exploited by the ruling class, but it is my opinion that this system has failed on each society that has implemented and the government becameShow MoreRelatedShould the Government Fund Public Preschools?1739 Words   |  7 PagesMoney cannot buy happiness, but it can buy education. In this great country of ours, education is not a privilege it is a right. All children are given the opportunity to a free education. An education that should allow them to become high school graduates, 21st Century scholars, and prepare them as leaders to sustain this nation. What happens though when this is not the future for all children? The problem at hand is not all children are receiving the same educational opportunities. Not all childrenRead MoreImmig ration Is A Fundamental Transformation Of The American Economy1296 Words   |  6 PagesUnited States an economic edge in the world economy (Daniel). Immigrants work in all types of occupations. They are teachers, scientists, engineers, and construction workers. Immigrants have been a constant source of economic activity. They are taxpayers, entrepreneurs, job creators and consumers. Daniel stated that successive waves of immigrants have kept our country demographically young, enriched our culture and added to our production capacity as a nation enhancing our influence in the worldRead MoreCapital Budgeting Is Important For Developing Strategic Goals, Facilitating Communication, And Justifying Decisions1303 Words   |  6 Pageshinge on each other and must be carefully coordinated by the district to prevent wasted time and money at the taxpayer’s expense. 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If they carry on their irresponsible funding practicesRead MoreIllegal Immigration And The United States890 Words   |  4 Pages â€Å"The economy consists of the free flow of money, goods and services as well as the production of such goods and services. Illegal immigration has a direct economic impact, though the details are a little more complicate d than the storyline of they re taking our jobs.† (Hirby). In discussions of illegal immigration strictly through only an economic perspective, a controversial issue is whether undocumented immigrants in the United States of America ultimately represent a taxation liability or prosperityRead MoreFunding Of Planned Parenthood And The Services1184 Words   |  5 Pages 1. Choose one position on the topic that you learned about during your research. What are the â€Å"pros† or â€Å"arguments for† that position? The topic I chose to research was the funding of Planned Parenthood, and the services they provide. One of the positions on this topic was to defund Planned Parenthood. The article, by Sarah Torre, Congress Should End Federal Funding to Planned Parenthood and Redirect It Toward Other Health Care Options discusses the idea that PP should not receive any governmentRead MoreShould Welfare Subsidies Be Limited For Only The Social Security System?2329 Words   |  10 PagesThey help provide food, shelter, healthcare, education and money to American citizens. These services are provided through primary and secondary education, subsidies of college education, pensions for eligible persons, subsidies for eligible low-wage workers, subsidies for housing, unemployment disability insurance, Supplemental Nutrition Assistance Program benefits, subsidies for housing, and health insurance programs that cover public employees. 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These fiscal repercussions are felt most significantly in education, health care, social services, and criminal justice systems, to start the list. The harsh reality is that ille gal immigration has had a profoundly negative impact on the economy in Texas. A battle has been raging in politics across Texas because this Beast called illegalRead MoreTaxes and Inflation in the United States800 Words   |  4 Pagescommodities and services, also known as sales tax. There are three different governments which collect these taxes: local, state, and federal. Taxes are not the only thing people in this country worry about; there is also inflation of commodities and services. Every corporation, business, and individual in the United States must file an income tax return every year by April fifteenth. This is to calculate if they owe taxes or qualify for a tax refund. Income tax is ground zero for money the government

Logistic Management Dell Computer Corporation

Question: Discuss about the Logistic Managementfor Dell Computer Corporation. Answer: The Fundamental Reasons for Success, with a Comparison to Another Successful and an unsuccessful Company Dell Computer Corporation was founded by Michael Dell in 1984. Michael Dell started the business as a startup which aimed to sell IBM PC-compatible computers built from stock components. Right from the beginning, Michael Dell was clear on his view about how he wanted to sell his computers. He believed that he wanted to create a system where he had a complete information of what the customers wanted. As a result, he created a huge innovation in the supply chain management of the company. This enabled him to understand the problems and needs of individual customers. The fundamental reason for the success of Dell Computer Corporation was its founder Michael Dell (Mann, 2011). Two things inspired Dell was his parents and the other was the business because he had craved for computers and the stock market. The real success of Dell was assembling its own computer and selling its computer products directly to customers with a free warranty service for a year and it avoids intermediaries this led in faster reaching of products to its customers. The founder dedication to service got him hundreds of satisfied customers. Dell has also invested in building customer relationship management with a view to holding its potential customers. It has a good supply chain management process where it delivers its products to its customers in quick times leaving behind its competitors by providing the finished products from third party logistics and also adding compliments with the product like printers (Kujawa, 2009). It also focused on good designing products and cost to serve different customer segments. Dell also upgraded with time by selling its product online and launched a server and the growth of the product doubled within years thus making it the world's largest manufacturer of personal computers and it also won various awards. Success Story of Lenovo Lenovo is a Chinese American multinational Technology Company with headquarters in Beijing and it designs, develops, manufactures and sells personal computers, tablet computers, smartphones and notebook and IT software. Lenovo is the world largest personal computer in terms of sales. The success behind Lenovo was the hard work of the Chinese and American teams as they merge to make the company success. Lenovo acquires IBM top PC's execs (Miller, 2013). Lenovo focused on delivering innovative products and branched out into new areas this result in its growth. Lenovo is committed to creating great hardware based products and also eco-friendly goods and also Lenovo is keen in innovating in software and hardware products. The company also made a huge amount of deal of $1.75 billion making it the third largest PC company and it also won various awards. Failure of Compaq Compaq was founded in 1982 and became the largest supplier of PC in the 1990s. The company focused on differentiated products by providing better graphics and improved performance but after 20 years it came to end with almost $2 billion in debt and shares valued at $12 in the stock market. The demise of Compaq lay beyond market forces. By buying Tandem computers in 1997 and DEC in 1998, Compaq added a great deal of complexity. Excess inventory and unexpected price competition in PC's led to wiping out the profits of Compaq. The wrong decision of the company and strategic management led to the failure of the company. Conclusion and Recommendations While Dell has maintained an advantage over the other companies through a very efficient system, it must be taken into account that the number of players in the market has increased in this particular industry. The Technology Industry has a lot of potentials but it must be kept in mind that it would be used by the other companies as well. Dell must at present, focus on creating, even more, product differentiation strategies that will provide it with a significant advantage over the other competitors in this field. How Can the Company Maintain its Competitive Advantage Dell can maintain its competitive advantage with good strategic management policy and right decision taking ability. Since it has incorporated it had grown steadily and became the worlds largest multinational enterprise. Till 2012 it was the market leader. The company maintains its advantage with its successful direct sales business model, superior supply chain management and its initial advantage from other sources. While the other companies believed in mass production, Dell created a system where the parts were standardized and everything was built to order. This was a system that gave Dell an insight that was much more than other competing brands. The advantage that the company acquires is by replacing inventory with information. It is a supply chain management concept that seeks to manage and reduce inventory through the use of information (Hugos, 2013). With the use of information, it leads to lean and active supply and results in cost reduction. The company focused on gathering information about market trends and sales data. This improves planning and forecasting. The software solution provides real-time information about demand and supplies this help maintaining minimum inventory. The company used strategic information like internet based ordering system which provides the latest information to the supplier with the current demand trends and the company succeed to maintain the perfect balance between demand and supply. Dell is very competitive in executing its global strategy and initially, with this strategy, the competitors failed to match its strategy thus giving the company advantage. Its marketing skills in direct selling its products to its customers and assembling of PC related to the number of orders have honed its competitive advantage(Kasarda, 2016). Its Just in Time strategy formulates in keeping the inventory minimum reducing cost and direct selling bypass intermediaries resulting in high profits of the company. It also offers customizable options that prove to be customer oriented. Its correct location of manufacturing plant has resulted in low labor cost and high productivity forces. This has also allowed Dell to possess a supply chain that allows it to report to the customers immediately. Because of having manufacturing plants at suitable locations, Dell can supply goods to its customers right when they need them. Dell localized its manufacturing plants in certain locations. The reason behind is that a foreign company must offer location specific advantages this will lead to low labor cost and high workforce (Pilbeam and O'Driscoll, 2010). The company choose developing countries where the wage rate is low and also it gets tax exemption from certain developing countries because the country wanted to attract investments. It chooses India to install its factory so that delivery time takes less to deliver the goods to its customers. This led to proximity in the market. Dell outsourced the manufacturing of PC's to take advantage of the competitive market. The company strategy was to build a healthy relationship with the suppliers rather than making the product by own. Outsourcing helps Dell to built customer service relationship, to develop research and development and also to manage its efficient supply chain management but Dell does not outsource the whole process if its business, it keeps the finishing process of its products to prevent itself from duplicity (Priem and Swink, 2012). This strategy aids the company to achieve a competitive market advantage. It adopted strategies for its advantage to be sustained in a competitive market. The company allows its product to sell in the retail market to cover its loss previously it was only direct sales so the strategy changed and also launched laptops and notebooks. Conclusion and Recommendations The company could use the social media to its advantage by marketing the goods on these platforms. The company should hold its domestic niches. These are the advantages the company could follow in the competitive market to sustain in the market. Could this be Suitable for other Companies and if So Explain why, if not Explain Why? The main Feature of Dells supply chain system is that it incorporates a direct to customer approach in its delivery. Also, it has utilized a host of other methods that aim at direct interaction with the customers. This provides Dell with an advantage over the others. Dell has stressed on strengthening their relationships with the customers (Reimann and Ketchen, 2017). This has given them the ability to look into the matter more closely and come up with the exact solutions that the customers need (HITT, 2011). Their process of segmentation of customers is thus based on individual means. This kind of segmentation helps the company to locate the exact issue or problem that needs to be addressed. This is what is missing in most other competitors of Dell. As a result, they do not come up with the proper service that would provide a solution to the heart of the matter. This is, in fact, a part of Dells strategy to identify the various customer segments that exist in the markets. While this has helped Dell to gain hold of the business market segment, it has also provided considerable service in the normal segment allowing them to sell computers like bananas. Also, Dell maintains an extremely transparent system with its Suppliers so that they have an idea of exactly what is needed to address a particular situation. Finally, Dells building to order is one of the most important parts of the strategy. This strategy can, in fact, be suitable for other companies as well (Burf, 2009). This is because, while a company does have a line of products, there must be a kind of connection with the customers. The kind of relation with the customers decides the level of customer loyalty that can be seen. As soon as the customers know that the company does prioritize their problems, they would be able to gain the goodwill of the customers. Also, it is important for any company to segment the customer base and mark a priority customer base(Fine, 2013). After that, it can develop strateg ies to capture other areas of the market as well. Maintaining transparency with the suppliers is also important for any company. This would work without a doubt, in favor of the company utilizing it. As an efficient supply chain is important while addressing any problem, this is without a doubt, suitable for any company (Special Topic Forum onResources and Supply Chain Management, 2013). Building to order is a strategy that any company can adopt in its functioning. While it may seem to be difficult, it must be kept in mind that there is no alternative to this process. As it has been seen, this strategy has led to not only an improved product quality but also a greater job satisfaction among the employees (Grinnell and Muise, 2011). This is quite natural as this kind of approach provides one to one solutions that directly provide a solution. Dell has been able to build a kind of system where standardized products are the norm. As a result, this process provides greater flexibility to the company as a whole. It is because of this flexibility that the company achieves greater success rate as it can function in a wide spectrum. Conclusion and Recommendations As we can see from a study of the situation, the strategy does consist of a lot of features that can be used very efficiently by the other companies. The strategies that Dell has utilized are in fact bound to generate the kind of positive output that it has generated. Discuss the Concept of Sustainability and its Relevance to the Company Featured in the Case Study Concept of Sustainability The concept of sustainability is the manner through which the company in question manages the various risks associated with the social, financial and environmental factors. However, if we were to delve deeper into the actual function of sustainability, we come to know that Sustainability is, as the name suggests, the ability of the company to maintain its presence in the market and its ability to resist shocks that a business is generally bound to experience. A business that is sustainable possesses the ability to create economic value and contribute to healthy ecosystems and strong communities(Carter, Kosmol and Kaufmann, 2016). In order for a firm to be sustainable, it needs to possess a kind of strategy or framework that possesses the ability to keep the business up and running even in times of problems. However, merely possessing a strategy does not help the company to be sustainable. The firm can be sustainable only when the firm adheres to the kind of strategy it has adopted fo r sustenance (Weele, 2015). As a result, it is safe to say that business firms can be sustainable only when they have a strict adherence to the rules of sustainable development. Any business firm thus must possess a kind of strategy that has a foresight in the case of matters that may attack the company. Relevance to the Company From what can be seen from the Dell case study, the firm has utilized Stakeholder engagement in order to create a sustainable strategy for the company. We see that Dell has taken into account the customer tastes and preferences while designing products. As a result, it has provided Dell with a tool to continuously learn about the changing as well as existing trends. It has enabled the company to create a system that would help it to gain valuable information about how to act and what steps to take next. Also, Dell has utilized all the associated members of the company to formulate future paths for the company. From what we see, Dell has prioritized stakeholders in joint decision making processes throughout the course of their action in the future direction. Dell has also utilized the process of reporting and disclosure in order to build a sustainable framework. We can see that Dell has a kind of transparency among the various suppliers and other parts associated with the company. The kind of transparency and openness has resulted in Dell being able to convey information through the various channels efficiently. Conclusion and recommendations From what has been seen, a company can be sustainable when it has the ability to take on the challenges and is prepared for those. Any company must thus possess a kind of foresight in order to build a sustainable framework. Dell has succeeded in creating such a framework by involving all stakeholders and related functional basis of the company. This has provided them with a greater understanding of how to manage the various affairs and how to tackle the incoming issues. References Burf, D. (2009).World class supply management. [Place of publication not identified]: Mcgraw-Hill Education. Chopra, S. and Meindl, P. (2016).Supply chain management. Boston: Pearson. Grinnell, J. and Muise, C. (2011). Dell Computers: Competing Toward Decline?.Journal of Business Case Studies (JBCS), 6(3). HITT, M. (2011). RELEVANCE OF STRATEGIC MANAGEMENT THEORY AND RESEARCH FOR SUPPLY CHAIN MANAGEMENT.Journal of Supply Chain Management, 47(1), pp.9-13. Hugos, M. (2013).Essentials of supply chain management. Hoboken, N.J.: Wiley. Kujawa, B. (2009). Journal of Transport and Supply Chain Management.Journal of Transport and Supply Chain Management, 3(1). Mann, R. (2011).Electronic commerce. Austin: Wolters Kluwer Law Business. Miller, S. (2013).Logistics management. New Delhi: Random Publications. Nandi, S. and Ganapathi, S. (2015).Logistics management. New York [u.a.]: Oxford Univ. Pr. Pilbeam, A. and O'Driscoll, N. (2010).Market leader. Harlow: Pearson Longman. Priem, R. and Swink, M. (2012). A Demand-side Perspective on Supply Chain Management.Journal of Supply Chain Management, 48(2), pp.7-13. Reimann, F. and Ketchen, D. (2017). Power in Supply Chain Management.Journal of Supply Chain Management, 53(2), pp.3-9. Special Topic Forum onResources and Supply Chain Management. (2013).Journal of Supply Chain Management, 49(3), pp.111-111. Weele, A. (2015).Purchasing supply chain management. Australia: Cengage Learning. Carter, C., Kosmol, T. and Kaufmann, L. (2016). Toward a Supply Chain Practice View.Journal of Supply Chain Management, 53(1), pp.114-122. Fine, C. (2013). Intelli-Sourcing to Replace Offshoring as Supply Chain Transparency Increases.Journal of Supply Chain Management, 49(2), pp.6-7. Gligor, D. (2016). The Role of Supply Chain Agility in Achieving Supply Chain Fit.Decision Sciences, 47(3), pp.524-553. Kasarda, J. (2016). Logistics Is about Competitiveness and More.Logistics, 1(1), p.1. Klaus, P. (2010). Business logistics and logistics engineering: the rocky road to a unified science of logistics.Logistics Research, 2(1), pp.1-1.

Why is writing for radio and television different from writing for a newspaper or magazine Essay Example

Why is writing for radio and television different from writing for a newspaper or magazine? Essay Different set of rules apply to the art of writing depending on the medium of publication/broadcast. Even within a particular medium, writing can be divided into creative writing and reportage/opinion, with the latter usually based on facts. Various genres exist within conventional creative writing – prominent among them are novels, short stories, poetry and plays. Hence, both the medium and the genre combine to lay a set of guidelines for the writer. The rest of the essay will outline those guidelines and also provide examples. With the advent of long distance telecommunication technology during the early twentieth century, radio took off as the most sought after public broadcast medium. Writing for radio then became a specialized field for there are unique qualities associated with a purely aural mode of communication. This posed challenges as well as opportunities to writers and broadcasters. Those pioneers who conquered this new horizon in writing established a genre that was both refreshing and demanding. For example, listening to a play in the radio is quite different to watching it onstage. The playwright will have to supplement through audio the events on stage that are not accounted in words. In other words, special audio effects to reflect transpirations on stage became important. Hence, writers had to pay more attention to detail and try to incorporate various kinds of information into the aural form. What radio writers also did was to improve the attention span and concentration of the au dience, for the narrative tends to be information packed and tightly plotted to maximize content output. We will write a custom essay sample on Why is writing for radio and television different from writing for a newspaper or magazine? specifically for you for only $16.38 $13.9/page Order now We will write a custom essay sample on Why is writing for radio and television different from writing for a newspaper or magazine? specifically for you FOR ONLY $16.38 $13.9/page Hire Writer We will write a custom essay sample on Why is writing for radio and television different from writing for a newspaper or magazine? specifically for you FOR ONLY $16.38 $13.9/page Hire Writer Coming to creative writing for television, the rules are not as rigorous as that applicable to radio writing, for the genre draws many of its rules from motion pictures. This is especially true with respect to soap operas, sitcoms and other televised entertainment. The British Broadcasting Corporation, which has mastered both radio and TV drama over the years, has the following to say about good TV drama writing: â€Å"TV is easy to turn off or turn over, so open your story as dynamically as you can. Try to hook the interest of the audience as soon as possible so that they will want to stay tuned and, if there are more episodes to come, will want to keep tuning in. Ask yourself if there’s a strong enough sense of character, drama, and story to sustain an audience’s engagement.† (www.bbc.co.uk, 2012) But, when it comes to news coverage in television, the main focus tends to be the headlines, with sound bites and video footage complementing the scrolling text. Television talk shows, on the other hand, have now become a time-tested concept that can succeed with even basic recording technology. We’ll now see how writing for radio and television is different to writing for newspaper and magazines. The printed word has always proven to be more powerful in expressing complex thought or argument. Hence, the media of magazines and newspapers are more apt for carrying out in-depth analysis of public issues. Writing for the print media also requires a greater command over vocabulary, grammar and usage. Hence, writing for publications is far more challenging and exacting than writing for television or radio. It is only those intellectuals who can perform incisive analyses that make it to editorial pages of major newspapers. Reporting for print media, on the other hand, is usually about following a set format or template, which doesn’t require high analytic skills. The following tips will come handy to the news or opinion writer: â€Å"The opening line of the article must grab the reader’s attention straight away. This is no different to any other form of writing: a story must hook the reader in a very short space of time†¦this hook must be the first sentence, not the second or the third†¦Another crucial point here is the length of the opening sentence. The word count needs to be no more than twenty-two words for your grab line. This in itself is a challenge.† (Shaw, 2007) Moreover, writers should keep in mind that congested printing styles, where the paragraphs are large and run on with long sentences, tends to put off the reader. Hence, maximizing ‘white space’ within the article will make it more appealing to read. In conclusion, writing for any medium of communication brings with it a unique set of challenges and requirements. But by mastering these requisites the writer can produce a work of high quality. A brief look at the history of twentieth century writing reveals how many outstanding pieces of articles, plays and TV shows have been produced. These masterpieces have excelled in the art and craft of writing. Works Cited: Writing TV Drama: Scripwriting Tips, It is important to know your market, retrieved from on 19th July, 2012 Janet Shaw, June 12, 2007, Writing Articles for Newspapers and Magazines – Tips and Tricks, retrieved from on 18th July, 2012. Harvard College Writing Program, Harvard Writing Project, retrieved from on 19th July, 2012.

Mustafa essays

Mustafa essays Habà ­a una mujer muy chiquita que se llamaba Chiquità ­n. Chiquità ­n vivà ­a abajo de una calle. La calle estaba en una ciudad arbica, Mustafa. En Mustafa habà ­a mucho sol, y era muy caliente. Habà ­an muchas personas en Mustafa que podrà ­an hacer juegos malabares con espadas. Tambin habà ­an otras que podrà ­an hacerlo con antorchas. Chiquità ­n no tenà ­a ningà ºn centavo, y necesitaba robar comida cada dà ­a. Era muy fcil para Chiquità ­n porque ella era muy baja, y las personas no podrà ­an verla cuando ella robaba la comida. Cuando las personas miraban a Chiquità ­n, ella les mordà ­a a los dedos del pie, y se escapaba. Habà ­a una persona que se llamaba Pumba. Un dà ­a, Pumba fue al Mustafa. Pumba era muy grande, y tenà ­a una voz muy baja. Un dà ­a, Chiquità ­n intent robar comida de Pumba. Pumba pud sentir a Chiquità ­n, y la vio por debajo. Cuando Pumba vio para abajo, Chiquità ­n le pic a los dedos de Pumba muy rpidamente, pero Pumba la agar antes que lla hiciera mucho da - ¿Por qu ests robando comida de esas personas?- Pumba le pregunt a Chiquità ­n. -Porque yo no tengo comida, y por eso, necesito robar mis cosas,- respondi Chiquità ­n. - ¿Por que le ests picando a los dedos de las personas?- Si quieres comida, debieras preguntarme.- En este momento, Pumba pic a Chiquità ­n. -Por que haces eso?- pregunt Chiquità ­n. -Para que supiste como me siento,- repondio Pumba. -Mis dedos de mi pie me duelen mucho. Lo siento, Persona Grande. Que es tu nombre?- -Me llamo Chiquità ­n.  ¿Puedo tener un poquito de tu comida, Pumba?- ...

How to Do Research Paper Writing. Outline and Examples.

How to Do Research Paper Writing. Outline and Examples. Here is the complete information about the research paper writing. What Is a Research Paper? A research paper is the culmination product of an involved process of critical thinking, research, organization, composition and source evaluation. In other words, it is an extended essay that presents your own interpretation or argument or evaluation of the information you discover with absolute documentation of the sources. When writing a research paper, you build your thought about the question and make a purposeful attempt to find out what experts write or know. Have your hands full with urgent tasks? No stress anymore!  Ã‚  is ready to  make your college life easier. Here well tell you how to write a research paper and offer you a list of research paper topics. But if you wish to have your research paper written by our professional writers, place an order. Research Paper Outline Most courses in the university involve some extended writing assignments, often in the form of a research paper. The papers always require a student to identify a broad area of research related to the course. Becoming an experienced researcher in any field takes a great deal of practice. Remember, even the most seasoned academic writers had to learn how to write a research paper at a given time of their career. Here is the basic research paper outline: Research Paper Title Page The title should tell the reader what to expect in your research paper, addressing keywords that will be used in the literature review. It must include the author(s): full name and affiliation for persons who might have questions about the research. Research Paper Abstract The abstract is used by readers to quickly review the overall content of your research paper. It should provide a complete synopsis of the research paper, introduce the topics and specific research questions. It must provide a statement regarding the methodology and the general statement about the finding and results. It is often written last because it is the summary of the whole research paper. Research Paper Introduction It introduces the overall topic and provides the basic background information. Introduction narrows down the research questions relating to your study. It either gives the focus and purpose for the rest of your research paper or sets up the entire justification for the research paper. Research Paper Methods This section describes the methodology and research design used to complete the study. For instance, you should provide the context and setting of the study, population if applicable, specify the study design, identify the main study variables, sampling strategy, outline analysis methods and data collection procedures and instruments. Research Paper Results What did you find? This section focuses only on results that are related to your research question, and not their significance. However, the results presented will depend on whether the study was qualitative or quantitative. Tables and graphs should only be used when you have too much data that cannot be efficiently included within the text. Research Paper Discussion Give information that interprets your results like the main finding of the study, strengths, and limitation of the results, practice and policy implications of the results. The hypothesis should be to give the answers as validated by your interpretation of the results. It should also discuss how your findings relate to the previous research. Research Paper  Conclusions Do not mention the discussion or the data. State inferences, hunches or speculation and offer the perceptions of future work. References/Bibliography Here, you ensure you cite all the references made in your paper to other sources of information and research studies. This should be laid out according to the specified format, including APA, MLA, Chicago, Oxford and other formats as directed by your professor. Check out our FREE APA REFERENCING TOOL How to Write a Successful Research Paper A research paper is your thought on a given topic, informed by the research you have done. It is a daunting process for both new and experienced writers alike. Here is our step by step guide to help you keep focused down to the path of a successful research paper. 1. Getting started.  Sit down with your computer and identify tasks and build a schedule. Identify the milestone for all steps involved in research and writing process. Check your final due date, and take some time to scheme the task ahead of you before you get started. Ensure you understand your assignment: type, research paper format, and length. 2. Select a topic.  The topic of the research paper is what you want to write about. Narrow the topic by reading the background articles on general references, the internet, magazine, encyclopedia or talk to your professor and peers, while jotting down main ideas. 3.  Set your objective.  Before you start your research, you need to compose a thesis statement, which describes your viewpoint concerning the research. Because your aim is to prove the validity of your thesis, your thesis statement offers a controlling idea that will enable you to choose the resource materials and limit your note taking. 4. Research and  take notes.  List the potential sources of information. Apart from the card catalog and guides for reference books, there are other important sources that can help you locate books and articles relevant to your topic. Often look for unique sources that can distinguish and strengthen your paper. 5. Create an outline for a research paper.  Your outline should reflect the organization format you have selected for your paper, depending on the topic and the thesis statement. It is a process of organizing your thoughts to help you write your research paper. Consider what points you will include, the introduction, the order of the points and how you plan to conclude. 6. Write the draft.  After you have completed creating the outline for a research paper, you can begin to write your draft. At this point, you need not worry about the grammar, spelling, typos, and style. Instead, you should concentrate on content based on your outline. It only consists of three parts: introduction, body, and conclusion. 7. Edit your paper.  When you are through with the draft, edit it, paying close attention to the organization and content of the paper. Is each idea supported by evidence? Do the paragraphs have topic sentences that relate to your thesis? Are there clear transitions in one paragraph to the other? Let your paper ideas or arguments support the research and structure. 8. Bibliography and citations.  Give credit to the sources of ideas, facts, and quotations that have included in your research paper to avoid plagiarism. In fact, documenting your sources of information, allow your leaders to follow your thought process and see how you creatively built upon the thoughts. 9. Formatting.  Depending on the formatting style your professor instructed you to use (APA/MLA/Chicago/Oxford), the title page should be part of the title of the research paper, the instructor’s name, your name, the name of the course and the date the paper is due. 10. Proofread and submit.  A professional proofreading is the last step that enables you to submit your paper in the best light possible. Don’t skip this step! Correct the grammar, spelling and punctuation errors, and mistakes that your system could not catch. Double check the formatting, plus bibliography and citations. If everything is right, submit! How to Start a Research Paper Writing a research paper is a challenge to many college and university students. One of the biggest problems for many students is how to get started. Choosing the topic and doing the research might be half the battle, but starting an introduction always proves to be a daunting task. If done effectively, starting a research paper would be simple and can help you write the whole paper quickly. Here is how to start a research paper: Choose a topic and research it thoroughly.  One problem most students run into when starting a research paper is failing to do proper research on the chosen topic. Research is not all about gathering resources; it involves reading and digesting the source material. Make sure you understand the topic. Create an outline of your research paper.  You must understand the direction of your research paper before you write an effective introduction. Your main aim should be to summarize the research in one or more paragraphs, without giving away the conclusion. Draft the opening paragraph.  Write several opening paragraphs, completing each independently. Write the introduction without directly relying on the structure, but it doesn’t mean you ignore your paper outline. You must look at the resource material when writing the introduction. Choose the best draft of your introduction.  Choose one of the best versions of your draft and revise it. Make sure you have the introduction ready before moving to the body of your research. The introduction should indicate its importance of the future research of your paper, summarize and describe the extent of your research. Critique the introduction.  Ask your friends, teacher or professor read the introduction: it must conform to the requirements of the assignment. Remember, a well-written introduction will automatically flow. How to Write a Conclusion for a Research Paper When you reach the conclusion of your research paper, you probably think there is hardly anything left to include, right! However, writing a conclusion for a research paper is crucial for anyone doing research papers. Here is how to write a research paper conclusion: Research Paper Topics Finding a research paper topic is one of the most challenging steps in writing a research paper. Focus on a broad topic, find topic ideas and be creative in the process. Here is a list of research topics you can use: business crime and law, drugs and drug abuse education environment family issues media and communication health, psychology political issues social issues, religion women and gender terrorism Weve got a great list of research paper topics for you: 60 Best  Research Paper Topics Generally, students have higher expectations of themselves when writing a research paper because they believe the paper has to be perfect. The paper should be clear and thoughtful, written to the point and say things that make sense. Research about what other scholars have written about the topic and the formulating your own theories and ideas based on the existing knowledge and data. At , we understand the importance of adhering to your deadline. Obviously, the sooner you let us know about your term paper the better. However, we have also successfully completed assignments with seemingly impossible due dates on time, rendering our services with the same high quality of writing. Therefore, if you can see how busy the road ahead of you will be or if youre down to the wire, contact us. We will be glad to help. General pricing plan for the Research Paper writing is as follows (prices are in US dollars, cost per page) #get_view(blocks/prices2.php)

Arts in philadelphia Research Paper Example | Topics and Well Written Essays - 1000 words

Arts in philadelphia - Research Paper Example Description of the sculpture The Clothespin is a giant steel sculpture standing at the Centre Square in 1500 Market Street, in front of the City Hall in Philadelphia. It stands at a vertical height of forty-five feet, and as research has it, weighs about ten tons. The clothespin represents a normal household clothespin used to hold clothes on lines when drying or for storage only that is larger than life and made of steel, and not plastic. The steel seems to be weathering, probably due to the exposure, as it is an environmental art. However, there is a little variation from the actual clothespin in that the handles or pressure points where on pushes together in this giant piece curves outwards more than normal, maybe to provide more balance for the installation. At the joinery part where the two identical pieces normally have a piece of wire going around each peg to form a pivot, the sculptor imitates that and uses a similar twist of steel to create it. Surprisingly, standing from on e side of the sculpture, the twisted joining steel forms a number â€Å"7†, and if one views it from the opposite side, the steel joinery loops to form a number â€Å"6†. ... Oldenburg, born to a Swedish diplomat in 1929 in Stockholm, later went to live in the United States, particularly in New York, and later moving to Chicago. His post-university saw him meet some artists like Jim Dine, Allan Kaprow, and Red Grooms amongst others with similarities of basing their art on alternative to the famous abstract expressionist wave of painting. Their movement came up with an art whereby they included environments to their performances in a bid to eliminate the differences between the visual arts and theater. These kinds of performances are common as the â€Å"Happenings†. Oldenburg is famous for transforming normal objects and changes them in some ways, such as the way he changed the household clothespin to a giant sculpture, therefore making people to view them in interesting and unexpected forms. The socio-political concept of the Clothespin is more understandable by considering the fact that Jack Wolgin commissioned it in 1974 for the marking of the Ph iladelphian bicentennial through a program by the Redevelopment Authority called Fine Arts Program. The Centennial is an American celebration of culture and industrial progress of one-hundred years, which is a major world fair with much global attraction (Stephanie). As earlier stated, the fastening steel pieces form two numerals (7 and 6 in that order), which is the representation of the centennial exhibition year that is 1876. Oldenburg used this unique artistic representation to include the year in the sculpture without making it too obvious- a preference of most artists. In addition to this function, there are more assumptions leaning more on the social aspect concerning the sculpture. For instance, a distant side-view of the Clothespin gives an illusion of a very tall figure with legs

Pen-3 Model Essay Example | Topics and Well Written Essays - 500 words

Pen-3 Model - Essay Example PEN 3 Model Culture is defined as a set of beliefs, behaviors, objects and others that are common to a group of people (Schaefer, 2009). Cultural aspects also include religion, language, values, laws, norms and the like. It is learned by the people by imitating the elders and/or enforcement by means of stigma and praises inside the society. Because of this, it is logical to say that culture can also affect health, as the health of an individual is also affected by culture and in turn also affects the health of the society. The health of the society is vital and it should be assessed regularly to monitor the needs of the people. A healthy population is a healthy civilization. Some diseases, like AIDS, are spread because of behavior. AIDS is transmitted by having unprotected sex or by using soiled needles contaminated by the HIV in medical procedures. These are all controllable and the spread can actually be contained when the people can just adjust their behavior. Behavior, like promi scuity, is an aspect of culture. Therefore, a disease that is spread by culture can also be corrected by culture. The sub-Saharan territory in Africa has the largest population of people with AIDS. The adult prevalence of AIDS in the 2005 was at 5.0% and it continues to grow (UNAIDS).

Library Management System Essay Example for Free

Library Management System Essay In today’s modern age where computer has become a way of life, it is evident that a majority of country’s institution still do not adapt high technology. Particularly in some schools, library transactions are still done on paper. We all know that modern school libraries are operating at great pace striving to serve as many students as possible with the best of their abilities. But as the years rolled by, the number of study has grown and the manual method of managing student and book records is no longer practical. A Library Management System is a system that makes use of information technology to perform managerial objects. The main goal of a library management information system is to store, organize, share and retrieve vital information needed to perform daily operational functions of the library. St. Matthew Academy of Cavite does not have one. Since library has a very large number of books and large number of members, it is impossible for librarians to handle day to day activities manually. Therefore, a library management system is used to facilitate the tasks in the library. With growing population and high demand of students, St. Matthew Academy of Cavite is in need of such system. And so this is the reason why the proponents came up with the idea of developing the system. By means of obtaining good performance of such system for the library, the level of production and effectiveness of the library will progress. Therefore, this proposal was conducted to develop a system that will minimize all paper works and manual records keeping, thus allowing the librarians and staff ease in keeping track of student records, reducing waiting time and increasing the number of students served – a system that is well-organized, efficient and user-friendly. Statement of the Problem. We had observed that the St. Matthew Academy of Cavite Library does not have a secured system to protect their records and files. The study aims to answer the problem, â€Å"How will the proposed system assure security for the files and records of the library? † Some library cards and other files are misplaced or lost due to improper storage. The study seeks answer to the problem, â€Å"How will the proposed system keep track and record all the files and information? † According to the librarian, paper works and manual process consume a lot of time which causes the transactions to be slow and inaccurate. †How will the proposed system produce accurate and fast transactions? † Importance of the Study St. Matthew Academy of Cavite is located in Niog 1, Bacoor Cavite that offers elementary and high school courses owned by Mr Efren L. de Guzman(School director). In the School library, the processes are done manually. A borrower should have a library card; this will serve as library pass/identification to avail the privileges to each student of the school. The student may enter the book section and search for a book. After choosing a book, he/she will take it to the librarian. The librarian will get the catalogue at the back of the book and fill the details on it. The student must surrender his/her library card. Today, the kind of process they are using is no longer convenient. With establishments like St. Matthew Academy of Cavite, Library Management System is necessary. We are already in the phase wherein a lot of technological advances are taking place which makes the proposal very suitable. Through the implementation of the said system, better results and improvements will take place and it will mainly contribute to the progress of the establishment. The users are the people for whom the system is being built for. Therefore, the Library management system will help satisfy the requirements of the user. Especially now that we are in the modern age where technology has become part of our lives, the system is very appropriate to fulfill the ever-changing needs of users. The researchers are the one responsible for meeting the user requirements. The study certainly adds knowledge and improves the researchers’ skill in developing a functional system that would satisfy their clients. The study unleashes their ability to investigate and come up with a system that makes them more effective and productive researchers. For the future researchers, the Library management system works for small library establishment only. Thus, if the future researchers will find the system appealing, they can come up with new ideas and enhance the system for a more useful and efficient system which can be used for larger libraries. Objectives of the Study In general, the study aims to provide a better system for the SMAC library that would help the librarians to make their work easier. The system is created to replace the manual lending, returning of books. Specifically it aims: 1. To plan for a system that will lessen all paper works and manual procedures to make transactions fast, accurate and accessible. 2. To analyze the function and performance of the library management system, understand the user’s need for the system. 3. To design a user-friendly system that is secured and protected that will help the users understand the functions and flow of the system. 4. To implement a system that will help librarians to keep all the records and transaction manageable. Time and Place of Study The proposed study was conducted at St. Matthew Academy of Cavite, located at Niog 1, Bacoor, Cavite, in the year 2012. Scope and Limitation In general, the focus of the study is to provide a better system for the SMAC library. The implementation of the Library management system will provide solutions for the existing problems within the library. The Library management system is intended to manage the transactions going throughout the library. It will enable the user to operate all the records that are entered to the system. The system maintains the record of the books in the library, borrowing and returning process of the books in the library. It includes the information of books such as title of the book, name of author, the date it was published. The end user of the system is the librarian or the one in charge of the library, which take care of the transactions inside the library. Developments and effectiveness are to be established in this proposal. However, every study has its own limitation. The limitations of the system are the following: Module of Books The user is capable of adding, editing, and searching of book information. The members can search for book title, author or subject by keywords through the OPAC(Public user interface). The OPAC only displays result of the searched book. The members are not capable of editing any records. The user is not capable of deleting records because this is an inventory. Module of Members The user is capable of adding new members, editing, searching and updating member’s information. The user is not capable of deleting members in the database. Module of Borrowed Books This module includes data of books which are issued or borrowed. The user is capable of adding records about issuance of books. Module of Returned Books This module includes data of books which are returned. The user is capable of adding of records. Module of Unreturned books This module includes the record of all unreturned books. Module of Penalty This module includes data of fine on members for late return of books, damage of books or lost books. It does not include printing of receipt. Module of Transaction This Module includes the transactions of borrowing and returning of books, and maintaining records of the book details, member info, date borrowed, due date, the date returned and penalty, if any. Definition of Terms Visual Basic – a programming language created with the main purpose of teaching programmers and developers how to design and develop GUI. Database- a collection of data (information) on a specific topic stored in an organized manner. Record- all of the information listed for one particular item (person, place or thing) in the database file. Search/Find –an operation to locate a specific record(s) that satisfies a statement or statements of criteria. OPAC (Public Interface of User) or simply Library Catalog is a database of materials held by a library or group of libraries. Users search a library catalogprincipally to locate books and other material physically located at a library. Circulation- or library lending comprises the activities around the lending of library books and other material to users of a lending library. A circulation or lending department is one of the key departments of a library. Filipiniana- repository of materials regarding the Philippines either published within or outside the country, authored by a Filipino or foreign writers as long as it is about the Philippines. This section includes books in the different fields of endeavor. Reference – various books that are sources of information about different subjects. They include dictionaries, encyclopedias, manual, and other informational books. Most books in the Reference Section may not be taken out so that they are always available to those who need them. REVIEW OF RELATED LITERATURE Information System It has been a computer era. The computer revolution is greatly affecting the way human’s life. The task of the storage and retrieval for vest amount of information has been taken over almost entirely by computer system. The computer has made it possible to automate much of the information interchange and processing that constitute the nervous system of the society. The computer system that provides the automation is commonly called information system. It will be responsible for computer technology for long term impact on society especially in science like in the field of health and medicine, chemistry, mineral exploration, millitary tactics, finance, education, media and communications, economics, sports, transportation, photography and other related areas. The information storage and retrieval is an active area of computer to help related work both for hardware device and software system as it was stated, information storage and retrieval involves more than hardware devices and storage media alone. To make the physical equipment readily, usable it is necessary to operation associated with it are to add information and others. While many people are excited about all these uses of computer, many others are concerned about the problems like work displacement, invasion, privacy, and the personalization in business operatation. The advantages of a new technologyb are often obvious but the problemas that may arise are much more difficult to access. (Davis, 2005) Use Case Diagram A use case is a methodology used on system analysis to identify, clarify, and organize system requirements. The use case is made up of a set of possible sequences of interactions between systems and users in a particular environment and related to a particular goal. It consists of a group of elements that can be used together in a way that will have an effect larger than the sum of the separate elements combined should contain all system aactivities that have significance to the users. A use case can be thought of as a collection of possible scenarios related to a particular goal, indeed the use case and goal are sometimes considered to be synonymous. (Antoinette Michaella, 1999) Class Diagram A class diagram is an illustration of the relationships and source code dependencies among classes in the unified modeling language (UML). In this context, a class defines the methods and variables in an object which is a specific entity in a program or the unit of code representing that entity. Class diagrams are useful in all forms of object oriented programming (OOP). The concept is several years old but has been refined as OOP modeling pardigms have evolved. The classes are arranged in groups that share comon characteristics. A class diagram resembles a flowchart in which classes are portrayed in boxes. Each box having three rectangles inside. The top rectangle contains the name of the class; the middle rectangle contains the attributes of the class; the lower rectangle contains the methods, also called operations, of the class lines, which may have arrows at one or both ends, connect the boxes. These lines define the relationship, also called association, between the classes. (Francis Michael, 2001) Related Studies on the Proposed Study Saint Vincent High School Library System The objective of Saint Vincent High School Library System is to impelement a system to facilitate the borrowing of books in the school. The Library contributes to the quality of services offered in the academic community, making it an excellent place for study and research. The Library is responsive units that have adapted and changed substantially over the years. (Pomperada, 2011) El Segundo Unified School District Library System The School Libraries of the El Segundo Unified School District are deeply involved with the El Segundo Public Library. The Public Library shares the Automated Circulation and on-line Public Access Catalog System with the School Libraries. The School Libraries serve as branches of the El Segundo Public Library. This collaboration means the El Segundo Public Library Card is used at the School Libraries. Anyone visiting the Public Library and using the Online Public Access Catalog (OPAC) can locate and request any book in any of the libraries. Using the Interlibrary loan system, books are shared between the school libraries and the Public Library. Books can also be pooled together to assist a teacher with a research assignment. UCV Library System The University of Cagayan Valley Library System is an important part of UCV instructions. These are the heart and brain centers of the University, and special place to do research and thorough study. The libraries provide each college with intellectual, up to date high tech resources to support its educational programs. (Del Rosario, 2008) Table 1 shows the comparison of local studies features with the features of the proposed system. |FEATURES |SVHS |ESUSD |UCV |SMAC | |Checking of penalties | | | | | |Viewing of records | | | | | |Updating of Records | | | | | |Adding of Members | | | | | |OPAC | | | | | Table 2. Comparison of Local Studies features with the Proposed Study Legend: SVHS- Saint Vincent High School ESUSD – El Segundo Unified School District UCV University of Cagayan Valley METHODOLOGY The Model chosen for the study is Waterfall Model. The following are the verification phases: Figure 1. Waterfall Model The Planning Phase, the researchers determine the nature and scope of the development. In this phase, the researcher gathered all the information about their process. The procedure was conducted by interviewing the librarian to learn the process of borrowing books from the library. The librarian provided sufficient and useful information on how the manual borrowing of books in the library is conducted. The system’s physical interface, data purpose, etc. , was reviewed by the researchers. The Analysis Phase, the researchers analyzed the user’s needs for the system. In this phase, the system shall be defined in more detail with regard to system inputs, processes, outputs and interfaces. The system shall be described in terms of the functions to be performed. The document for system testing was prepared in this phase. The Design Phase, describes how the proposed system will be built. It defines the specifications, plans, parameters, activities, processes. The researchers designed a well-structured GUI to make it appropriate for the users. It must be user-friendly and secured. The Testing Phase, a particular process or method for trying or assessing. The system needs to be evaluated and tested before it will be used in SMAC Library. A sequence of test was held by the proponents to emphasize all possible problems that may occur. The Implementation Phase, the carrying out, execution or practice of a design. It encompasses all the processes involved in getting new software or hardware operating properly in its environment, including installation, configuration and running, testing and making neccesary changes. The Maintenance Phase, the last phase of the system wherein all areas of operations and maintenace are performed. The system is being used and monitored to ensure that it meets the needs initially stated in the planning phase. Design Maintenance Implementation Testing Analysis Planning.

Nominating an Outstanding Person to The Hall of Fame Essay example --

I nominate Regina Geis for recognition in the State Hall of Fame. Born on December 29, 1995, daughter of Robert and Robin Geis, sister of Daniel and Benjamin Geis. Regina is an inspiring person who brings out joy and happiness. She inspires people to give their best and live for the right reasons. She is an overachiever and has always done well in school. In fact, Regina is a straight A student. It is encouraging how much time and effort she puts in her school time. Spending some of her time at work and home, but spending most of her time at school or church. Regina strives for excellence, but other than her inspiring life, she shall first be recognized for more than what she does but for who she is, like her personality; beautiful, awesome and amazing, outgoing and funny, exhilarating and adventurous, goofy and silly, caring and kind, sweet, a perfect character, there is never a dull moment when hanging out with her. Though she has her serious moments, when it comes to having fun, she knows how to embrace herself. When music plays, she dances and sings, and does not care what she looks like or who is around. Sometimes showing your complete self is hard, but Regina is 100% herself. The times she hangs out with her girls or sometimes, even her brother, well, lets just say it is all laughs and giggles from there. Speaking of her brother, siblings fight daily and they have their differences, but Regina shows the roll of a wonderful big sister. Yes, some days her brother drives her crazy, but she would do absolutely anything for him, as well as her friends and family. There are times when she places herself before others, but she deserves that because she places others before herself the majority of the time. Regina likes to joke... ...hat she will be recognized in many Hall of Fames, rather than only the state, because she will be someone more and make it somewhere; anywhere. Geis will continue to impact people and their lives in ways she would not understand. Regina Geis is an inspiring girl who deserves the recognition in the State Hall of Fame. Works Cited http://admissions.illinois.edu/academics/honors_colleges.html http://www.forbes.com/sites/jamesmarshallcrotty/2013/03/13/motivation-matters-40-of-high-school-students-chronically-disengaged-from-school/ http://www.nbcnews.com/id/7019023/ns/us_news/t/study-most-us-teens-serious-about-religion http://www.newrepublic.com/article/116332/david-brookss-editorial-gets-poverty-and-education-wrong http://www.publicagenda.org/press-releases/survey-sports-arts-clubs-volunteering-out-school-activities-play-crucial-positive-role-kids

Device to Overcome Sense of Sight and Hear

SENSE OF SIGHT†¦. The eyes are sensory organs. They keep the brain updated with information about is what happening around the body. Both contain millions of tiny sensors that send messages along nerves to the brain. Sensors in the eyes respond to light and, through the brain, let us see the world. Sensors in the skin respond to touch and allows us to feel. * * * * The seeing eye†¦ Light enters the eye through the clear cornea. It then passes through the pupil and is focused by the lens on the retina. This thin layer covers the back of the eye and contains cells that are sensitive to light.When light hits the cells, they send signals to the brain. There, the signals are turned into pictures so we can see. Telescope†¦ A  telescope  is an instrument that aids in the observation of remote objects by collecting electromagnetic radiation  (such as  visible light). The first known practical telescopes were invented in the  Netherlands  at the beginning of the 17t h century, using glass lenses. They found use in terrestrial applications and astronomy. Within a few decades, the  reflecting telescope  was invented, which used mirrors.In the 20th century many new types of telescopes were invented, including  radio telescopes  in the 1930s and  infrared telescopes  in the 1960s. The word  telescope  now refers to a wide range of instruments detecting different regions of the  electromagnetic spectrum, and in some cases other types of detectors. History†¦ The earliest recorded working telescopes were the  refracting telescopes  that appeared in the Netherlands  in 1608. Their development is credited to three individuals:  Hans Lippershey  and Zacharias Janssen, who were spectacle makers in Middelburg, and  Jacob Metius  of Alkmaar. 4]  Galileo  heard about the Dutch telescope in June 1609, built his own within a month,[5]  and greatly improved upon the design in the following year. The idea that the  ob jective, or light-gathering element, could be a mirror instead of a lens was being investigated soon after the invention of the refracting telescope. [6]  The potential advantages of using  parabolic mirrors—reduction of  spherical aberration  and no  chromatic aberration—led to many proposed designs and several attempts to build  reflecting telescopes. 7]  In 1668,  Isaac Newton  built the first practical reflecting telescope, of a design which now bears his name, the  Newtonian reflector. The invention of the  achromatic lens  in 1733 partially corrected color aberrations present in the simple lens and enabled the construction of shorter, more functional refracting telescopes. Reflecting telescopes, though not limited by the color problems seen in refractors, were hampered by the use of fast tarnishing  speculum metal  mirrors employed during the 18th and early 19th century—a problem alleviated by the introduction of silver coated g lass mirrors in 1857,[8]  and aluminized mirrors in 1932. 9]  The maximum physical size limit for refracting telescopes is about 1 meter (40  inches), dictating that the vast majority of large optical researching telescopes built since the turn of the 20th century have been reflectors. The largest reflecting telescopes currently have objectives larger than 10  m (33  feet). The 20th century also saw the development of telescopes that worked in a wide range of wavelengths from  radio  to  gamma-rays. The first purpose built radio telescope went into operation in 1937. Since then, a tremendous variety of complex astronomical instruments have been developed.How to use†¦ * Find an area where the items you wish to view aren't obstructed by trees to set up your telescope so that you get a clear view of the sky. * Look to see if your telescope has a polar axis. If it does, it will track whatever you are looking at. If you have a telescope with a polar axis, follow your manufacturer's directions on how to align the polar axis and the finder scope. * Select the eyepiece with the lowest magnification that you have. Always start with the lowest magnification eyepiece until you become more experienced in using your telescope. Locate the item in the night sky that you wish to observe and focus in on it. Move the planet or star you are viewing as close to the center of the field of view in the eyepiece as possible. * Remove the low magnification eyepiece and replace it with an eyepiece with a higher magnification. * Readjust the alignment of the telescope when the planet or star drifts out of view if you have a manual telescope mount. * Continue in this manner, observing different visible planets and stars. Binoculars †¦Binoculars,  field glasses  or  binocular telescopes  are a pair of identical or mirror-symmetrical  telescopes  mounted side-by-side and aligned to point accurately in the same direction, allowing the viewer to use both eyes (binocular vision) when viewing distant objects. Most are sized to be held using both hands, although sizes vary widely from  opera glasses  to large pedestal mounted military models. Many different abbreviations are used for binoculars, including  glasses, nocs ,noculars ,  binos  and  bins. Unlike a (monocular) telescope, binoculars give users a three-dimensional image: for nearer objects the two views, presented to ach of the viewer's eyes from slightly different viewpoints, produce a merged view with an  impression of depth. History †¦ No sooner was the telescope invented in than the early 1600s than did astronomers get the idea of mounting two of them together, effectively inventing the first binoculars. Galileo (who is often falsely credited with having invented binoculars) adapted an earlier design, using optics that combined convex and concave lenses to create a magnifying effect just like that used today in the cheapest nonprismatic glasses marketed for sports or theater viewing, or for use by children.In the mid-1850s, Ignazio Porro of Italy patented a design using two prisms constructed in a Z shape to present the viewer with an image that not only is better magnified, but has depth. The Porro prism design was followed a few decades later by the roof prism, in which the prisms are constructed in one unit. Soon, binoculars were adapted for military use, and were employed during the Civil War. Quality made a big jump around the turn of the 19th century, and continued to be refined in the early 1900s. With the advent of World War II, more manufacturers entered the binoculars market, including, in the United States, Bausch ; Lomb.Germany continued with its production of highly regarded binoculars, with a few changes. For example, Zeiss, one of the top names in binoculars, experienced a confusing shift, with a new factory established in East Germany under Russian control with the Zeiss name while another factory named Zeiss was b egan exporting from West Germany, according to a history in the 1961 book Binoculars and Scopes and Their Uses in Photography, by Robert J. and Elsa Reichert. Japan exports binoculars via various manufacturers, and some U. S. ompanies import Japanese-made binoculars but sell them under the U. S. company name. How to use†¦ * Put the binocular strap around your neck. Wearing the neck-strap gives you the ability to use both hands while you are using the binoculars. * Adjust the barrels of the binoculars — each side you look into — to the width of your face. Generally, all you need to do is move the barrels closer together or further apart as you hold the binoculars up to your eyes. If you have adjusted the binoculars correctly, you should not see a black â€Å"border† when you look through the eyepieces. Locate the central focus wheel, usually in the middle of the two barrels of the binoculars. Turn the wheel slowly as you look at a particular object in the di stance to get the best focus for your eyes. * Fine-tune your viewing even more if you have a diopter focus mechanism on your binoculars. Not all binoculars have this focus element, which helps compensate for the difference in vision that you might experience in each of your eyes. The diopter focus adjustment wheel is usually on the right-hand barrel. * Keep both eyes open as you view your target objects.You might need to re-focus from time to time. * Clean your binoculars after using them. A soft, damp cloth is sufficient for the body of the binoculars. Treated tissue paper used to clean cameras and eye glasses is safe for wiping the lenses. Store binoculars in their carrying case when you're not using them. Microscope †¦ A  microscope  (from the  Ancient Greek:   ,  mikros, â€Å"small† and   ,  skopein, â€Å"to look† or â€Å"see†) is an  instrument  used to see objects that are too small for the naked eye. The science of investigating small objects using such an instrument is called  microscopy .Microscopic  means invisible to the eye unless aided by a microscope. There are many types of microscopes, the most common and first to be invented is theoptical microscope  which uses  light  to image the sample. Other major types of microscopes are the  electron microscope  (both the  transmission electron microscope  and the  scanning electron microscope) and the various types of  scanning probe microscope History †¦ The first microscope to be developed was the optical microscope, although the original inventor is not easy to identify. An early microscope was made in 1590 in  Middelburg, Netherlands. 1]  Two  eyeglass  makers are variously given credit:  Hans Lippershey   (who developed an early  telescope) and  Zacharias Janssen. Giovanni Faber  coined the namemicroscope   for  Galileo Galilei's compound microscope in 1625  [2]  (Galileo had called it the â€Å"occ hiolino† or â€Å"little eye†). How to use†¦. * When moving your microscope, always carry it with both hands (Figure 1, below). Grasp the arm with one hand and place the other hand under the base for support. * Turn the revolving nosepiece so that the lowest power objective lens is â€Å"clicked† into position (This is also the shortest objective lens). Your microscope slide should be prepared with a coverslip or cover glass over the specimen. This will help protect the objective lenses if they touch the slide. Place the microscope slide on the stage and fasten it with the stage clips. You can push down on the back end of the stage clip to open it. * Look at the objective lens and the stage from the side (Figure 2) and turn the coarse focus knob so that the objective lens moves downward (or the stage, if it moves, goes upward). Move it as far as it will go  without touching the slide! * 5.Now, look through the eyepiece and adjust the illuminator (or mirror ) and diaphragm (Figure 3) for the greatest amount of light. | | | * Slowly turn the coarse adjustment so that the objective lens goes  up  (away from the slide). Continue until the image comes into focus. Use the fine adjustment, if available, for fine focusing. If you have a microscope with a moving stage, then turn the coarse knob so the stage moves downward or away from the objective lens. * Move the microscope slide around so that the image is in the center of the field of view and readjust the mirror, illuminator or diaphragm for the clearest image. Now, you should be able to change to the next objective lenses with only minimal use of the focusing adjustment. Use the fine adjustment, if available. If you cannot focus on your specimen, repeat steps 4 through 7 with the higher power objective lens in place. Do not allow the objective lens to touch the slide! * The proper way to use a monocular microscope is to look through the eyepiece with one eye and keep the other eye op en (this helps avoid eye strain). If you have to close one eye when looking into the microscope, it's ok. Remember, everything is upside down and backwards.When you move the slide to the right, the image goes to the left! * Do not touch the glass part of the lenses with your fingers. Use only special lens paper to clean the lenses. * When finished, raise the tube (or lower the stage), click the low power lens into position and remove the slide. * Always keep your microscope covered when not in use. Submarine†¦ A  submarine  is a  watercraft  capable of independent operation underwater. It differs from a  submersible, which has more limited underwater capability. The term submarine most commonly refers to a large crewed autonomous vessel.However, historically or colloquially, submarine can also refer to medium-sized or smaller vessels (midget submarines,  wet subs),  remotely operated vehiclesor  robots. The adjective  submarine, in terms such as  submarine c able, means â€Å"under the sea†. The noun  submarine  evolved as a shortened form of  submarine boat(and is often further shortened to  sub). [1]  For reasons of  naval traditionsubmarines are usually referred to as â€Å"boats† rather than as â€Å"ships†, regardless of their size. Although experimental submarines had been built before, submarine design took off during the 19th century, and they were adopted by several navies.Submarines were first widely used during  World War I  (1914–1918) and now figure in many large  navies. Military usage includes attacking enemy surface ships or submarines,  aircraft carrier  protection,  blockaderunning,  ballistic missile submarines  as part of a nuclear strike force,  reconnaissance, conventional land attack (for example using acruise missile), and covert insertion of  special forces. Civilian uses for submarines include  marine science, salvage, exploration and facility inspec tion/maintenance. Submarines can also be modified to perform more specialized functions such as search-and-rescue missions or  undersea cable  repair.Submarines are also used in tourism, and for  undersea archaeology. Most large submarines consist of a cylindrical body with hemispherical (and/or conical) ends and a vertical structure, usually located amidships, which houses communications and sensing devices as well as periscopes. In modern submarines this structure is the â€Å"sail† in American usage, and â€Å"fin† in European usage. A â€Å"conning tower† was a feature of earlier designs: a separate pressure hull above the main body of the boat that allowed the use of shorter periscopes.There is a propeller (or pump jet) at the rear and various hydrodynamic control fins as well as ballast tanks. Smaller, deep diving and specialty submarines may deviate significantly from this traditional layout. Submarines have one of the largest ranges of capabilities in any vessel, ranging from small autonomous examples to one- or two-person vessels operating for a few hours, to vessels which can remain submerged for 6 months such as the  Russian  Typhoon class  Ã¢â‚¬â€œ the biggest submarines ever built and in use. Submarines can work at greater depths than are survivable or practical for human  divers.Modern deep diving submarines are derived from the  bathyscaphe, which in turn was an evolution of the  diving bell. History†¦ The first submersible of which we have reliable information on its construction was built in 1620 by  Cornelius Drebbel, a  Dutchman  in the service of  James I of England. It was created to the standards of the design outlined by English mathematician  William Bourne. It was propelled by means of oars. The precise nature of the submarine type is a matter of some controversy; some claim that it was merely a bell towed by a boat. Two improved types were tested in the  Thames  between 1620 an d 1624.In 2002 a two-person version of Bourne's design was built for the  BBC  TV programme  Building the Impossible  by  Mark Edwards, and successfully rowed under water at  Dorney Lake,  Eton. Though the first submersible vehicles were tools for exploring under water, it did not take long for inventors to recognize their military potential. The strategic advantages of submarines were set out by Bishop  John Wilkins  of  Chester, England, in  Mathematicall Magick  in 1648: 1. This private: a man may thus go to any coast in the world invisibly, without discovery or prevented in his journey. 2.This safe, from the uncertainty of Tides, and the violence of Tempests, which do never move the sea above five or six paces deep. From Pirates and Robbers which do so infest other voyages; from ice and great frost, which do so much endanger the passages towards the Poles. 3. It may be of great advantages against a Navy of enemies, who by this may be undermined in the wat er and blown up. 4. It may be of special use for the relief of any place besieged by water, to convey unto them invisible supplies; and so likewise for the surprisal of any place that is accessible by water. 5.It may be of unspeakable benefit for submarine experiment How it work†¦ The adaptations and inventions that allow sailors to not only fight a battle, but also live for months or even years underwater are some of the most brilliant developments in military history. In this article, you will see how a submarine dives and surfaces in the water, how life support is maintained, how the submarine gets its power, how a submarine finds its way in the deep ocean and how submarines might be rescued. Ultrasound scanning device†¦ Ultrasound  is a cyclic  sound  pressure wave with a  frequency  greater than the upper limit of the human  hearing range.Ultrasound is thus not separated from â€Å"normal† (audible) sound based on differences in physical properties, only the fact that humans cannot hear it. Although this limit varies from person to person, it is approximately 20  kilohertz  (20,000 hertz) in healthy, young adults. Ultrasound devices operate with frequencies from 20  kHz up to several gigahertz. Ultrasound is used in many different fields. Ultrasonic devices are used to detect objects and measure distances. Ultrasonic imaging (sonography) is used in human and veterinary medicine. In non-destructive testing of products and structures, ultrasound is used to detect invisible flaws.Industrially, ultrasound is used for cleaning and for mixing, and to accelerate chemical processes. Organisms such as bats and porpoises use ultrasound for locating prey and obstacles. Ultrasonics  is the application of  ultrasound. Ultrasound can be used for imaging, detection, measurement, and cleaning. At higher power levels ultrasonics are useful for changing the chemical  . History †¦ Acoustics, the science of sound, starts as far b ack as  Pythagoras  in the 6th century BC, who wrote on the mathematical properties of stringed instruments. Sir  Francis Galton  constructed  a whistle  producing ultrasound in 1893.The first technological application of ultrasound was an attempt to detect icebergs by  Paul Langevin  in 1917. The  piezoelectric effect  discovered by Jacques and Pierre Curie in 1880 was useful in transducers to generate and detect ultrasonic waves in air and water. [2]  Echolocation  in bats was discovered byLazzaro Spallanzani  in 1794, when he demonstrated that bats hunted and navigated by inaudible sound and not vision. How it works†¦ There are many reasons to get an ultrasound. Perhaps you're pregnant, and your obstetrician wants you to have an ultrasound to check on the developing baby or determine the due date.Maybe you're having problems with blood  circulation in a limb or your heart, and your doctor has requested a Doppler ultrasound to look at the blood flo w. Ultrasound has been a popular medical imaging technique for many years. Ultrasound  or  ultrasonography is a medical imaging technique that uses high frequency sound waves and their echoes. The technique is similar to the echolocation used by bats, whales and dolphins, as well as SONAR used by  submarines. In this article, we'll look at how ultrasound works, what type of ultrasound techniques are vailable and what each technique can be used for. Magnifying glass†¦ A  magnifying glass  (called a  hand lens  in laboratory contexts) is a  convex lens  that is used to produce a  magnified  image  of an object. The  lens  is usually mounted in a frame with a handle (see image). A  sheet magnifier  consists of many very narrow concentric ring-shaped lenses, such that the combination acts as a single lens but is much thinner. This arrangement is known as aFresnel lens. The magnifying glass is an icon of  detective fiction, particularly that of  S herlock Holmes. History †¦The earliest evidence of â€Å"a magnifying device, a convex lens forming a magnified image† was Aristophanes's â€Å"lens†, from 424 BC, a glass globe filled with water. (Seneca  wrote that it could be used to read letters â€Å"no matter how small or dim†). [1]  Roger Bacon  described the properties of a magnifying glass in 13th-century  England. Eyeglasses  were developed in 13th-century  Italy. How it works†¦ The  magnification  of a magnifying glass depends upon where it is placed between the user's eye and the object being viewed, and the total distance between them.The  magnifying power  is equivalent to  angular magnification  (this should not be confused with  optical power, which is a different quantity). The magnifying power is the ratio of the sizes of the images formed on the user's retina with and without the lens. [3]  For the â€Å"without† case, it is typically assumed that t he user would bring the object as close to the eye as possible without it becoming blurry. This point, known as the  near point,  varies with age. In a young child it can be as close as 5  cm, while in an elderly person it may be as far as one or two metres.Magnifiers are typically characterized using a â€Å"standard† value of 0. 25  m. The highest magnifying power is obtained by putting the lens very close to the eye and moving the eye and the lens together to obtain the best  focus. The object will then typically also be close to the lens. Sense of hearing†¦ Hearing,  auditory perception, or  audition  is the ability to perceive  sound  by detectingvibrations,  changes in the pressure of the surrounding medium through time, through an organ such as the  ear. Sound may be heard through  solid,  liquid, or  gaseous  matter. It is one of the traditional five  senses.The inability to hear is called  deafness. In humans and other vertebr ates, hearing is performed primarily by the  auditory system: vibrations are detected by the  ear  and transduced into nerve impulses that are perceived by the  brain  (primarily in the  temporal lobe). Like  touch, audition requires sensitivity to the movement of molecules in the world outside the organism. Both hearing and touch are types of mechanosensation. Stethoscope †¦ The  stethoscope  is an acoustic  medical  device for  auscultation, or listening to the internal sounds of an animal or human body.It is often used to listen to lung and  heart sounds. It is also used to listen to  intestines  and blood flow in  arteries  and  veins. In combination with asphygmomanometer, it is commonly used for measurements of  blood pressure. Less commonly, â€Å"mechanic's stethoscopes† are used to listen to internal sounds made by machines, such as diagnosing a malfunctioning automobile engine by listening to the sounds of its internal part s. Stethoscopes can also be used to check scientific vacuum chambers for leaks, and for various other small-scale acoustic monitoring tasks.A stethoscope that intensifies auscultatory sounds is called  phonendoscope. History†¦ The stethoscope was invented in  France  in 1816 by  Rene Laennec  at the  Necker-Enfants Malades Hospital  in  Paris. [1]  It consisted of a wooden tube and was monaural. His device was similar to the common  ear trumpet, a historical form of hearing aid; indeed, his invention was almost indistinguishable in structure and function from the trumpet, which was commonly called a â€Å"microphone†. The first flexible stethoscope of any sort may have been a binaural instrument with articulated joints not very clearly described in 1829. 2]  In 1840,Golding Bird  described a stethoscope he had been using with a flexible tube. Bird was the first to publish a description of such a stethoscope but he noted in his paper the prior exis tence of an earlier design (which he thought was of little utility) which he described as the snake ear trumpet. Bird's stethoscope had a single earpiece. [3]  In 1851, Irish physician Arthur Leared invented a binaural stethoscope, and in 1852 George Cammann perfected the design of the instrument for commercial production, which has become the standard ever since.Cammann also wrote a major treatise on diagnosis by auscultation, which the refined binaural stethoscope made possible. By 1873, there were descriptions of a differential stethoscope that could connect to slightly different locations to create a slight stereo effect, though this did not become a standard tool in clinical practice. The medical historian  Jacalyn Duffin  has argued that the invention of the stethoscope marked a major step in the redefinition of disease from being a bundle of symptoms, to the current sense of a disease as a problem with an anatomical system even if there are no noticeable symptoms.This r e-conceptualiization occurred in part, Duffin argues, because prior to the stethoscopes, there were no non-lethal instruments for exploring internal anatomy. [4] Rappaport and Sprague designed a new stethoscope in the 1940s, which became the standard by which other stethoscopes are measured, consisting of two sides, one of which is used for the respiratory system, the other for the cardiovascular system. The Rappaport-Sprague was later made by  Hewlett-Packard. HP's medical products division was spun off as part of Agilent Technologies, Inc. , where it became Agilent Healthcare.Agilent Healthcare was purchased byPhilips  which became Philips Medical Systems, before the walnut-boxed, $300, original Rappaport-Sprague stethoscope was finally abandoned ca. 2004, along with Philips' brand (manufactured by Andromed, of Montreal, Canada) electronic stethoscope model. The Rappaport-Sprague model stethoscope was heavy and short (18–24  in (46–61  cm)) with an antiquated appearance recognizable by their two large independent latex rubber tubes connecting an exposed-leaf-spring-joined-pair of opposing â€Å"f†-shaped chrome-plated brass binaural ear tubes with a dual-head chest piece.How to use†¦ * Clean off the earpieces before placing the stethoscope into your ears, especially if others share it or you seldom use it. In the hospital, earpieces are wiped with alcohol prep swabs. * Hold the chest piece between your palms to warm it before placing it on a person's chest. Thirty seconds is usually long enough to remove the chill. * Place the stethoscope into your ears. * Hold the chest piece in your hand. With the other hand, tap a finger against the chest piece and listen. Many stethoscopes have reversible heads, which can be incompletely swiveled and block sound. Grip the chest piece between your middle and index fingers to provide firm contact with the skin. * To minimize extraneous noises, avoid touching or rubbing the tubing or chest piece against clothing, bedcovers or hair. * Place the chest piece onto the part of the body you want to listen to. For the heart, this is a few inches above the left nipple. You should hear a steady â€Å"lub dub. † This is known as the apical pulse. * Store your stethoscope so that the tubing isn't kinked when you put it away. In hospitals, when stethoscopes are not being used, they're generally hung by their earpieces so that the tubing can dangle freely.Loudhailer†¦ A  megaphone,  speaking-trumpet,  bullhorn,  blowhorn, or  loud hailer  is a portable, usually hand-held, cone-shaped  acoustic horn  used to  amplify  a person’s voice or othersounds  and direct it in a given direction. The sound is introduced into the narrow end of the megaphone, by holding it up to the face and speaking into it, and the sound waves radiate out the wide end. The megaphone increases the volume of sound by increasing the  acoustic impedance  seen by the  vocal cords,  matching  the impedance of the vocal cords to the air, so that more sound power is radiated.It also serves to direct the sound waves in the direction the horn is pointing. It somewhat distorts the sound of the voice because thefrequency response  of the megaphone is greater at higher sound  frequencies. Since the 1970s the voice-powered  acoustic megaphone  described above has been replaced by theelectric megaphone, which uses electric power to  amplify  the voice. History†¦ The initial inventor of the speaking trumpet is a subject of historical controversy, as both  Samuel Morland  and  Athanasius Kircher  lay claim to the device.Morland, in a work published in 1655, wrote about his experimentation with different horns and his most successful variant. This loudest horn was made of over 20 feet of copper and could supposedly project vocalizations as far as a mile and a half. [1] Twenty years earlier, Kircher described a device that could b e used for both broadcasting on one end and â€Å"overhearing† on the other. His coiled horn would be wedged into the side of a building, connecting a speaker or listener inside with the surrounding environment.Morland favored a straight, tube-shaped speaking device, where an initial sound would reverberate in waves through the instrument and gradually become louder. Kircher’s horn, on the other hand, utilized a â€Å"cochleate† design, where the horn was twisted and coiled, unlike Morland’s design. A later,  papier-mache  trumpet of special design was the Sengerphone. [2] The term ‘megaphone’ was first associated with  Thomas Edison’s instrument 200 years later. In 1878, Edison developed a device similar to the speaking trumpet in hopes of benefiting the deaf and hard of hearing.His variation included three separate funnels lined up in a row. The two outer funnels, which were six feet and eight inches long, were made of paper an d connected to a tube inserted in each ear. The middle funnel was similar to Morland’s speaking trumpet, but had a larger slot to insert a user’s mouth. [3] With Edison’s megaphone, a low whisper could be heard a thousand feet away, while a normal tone of voice could be heard roughly two miles away. On the listening end, the receiver could hear a low whisper at a thousand feet away. However the apparatus was much too large to be portable, limiting its use.George Prescott wrote: â€Å"The principal drawback at present is the large size of the apparatus. † Since the 1960s acoustic megaphones have generally been replaced by electric versions  (below), although the cheap, light, rugged acoustic megaphone is still used in a few venues, like cheering at sporting events,  cheerleading, and by  lifeguards  at pools and beaches where the moisture could damage the electronics of electric megaphones. How to use†¦ * Hold the megaphone several inches from your mouth with the small end toward you and the large end away from you. * Point the large end of the megaphone toward the crowd you wish to exhort. Speak loudly or shout into the small end. * Wait for the crowd's response, then repeat Step 3 as necessary. Sonar†¦ Sonar  (originally an  acronym  for  Sound  Navigation  And  Ranging) is a technique that uses  sound  propagation (usually underwater, as in  submarine navigation) to  navigate, communicate with or detect objects on or under the surface of the water, such as other vessels. Two types of technology share the name â€Å"sonar†:  passive  sonar is essentially listening for the sound made by vessels;  active  sonar is emitting pulses of sounds and listening for echoes.Sonar may be used as a means of  acoustic location  and of measurement of the echo characteristics of â€Å"targets† in the water. Acoustic location in air was used before the introduction of  radar. Sonar may also be used in air for robot navigation, and  SODAR  (an upward looking in-air sonar) is used for atmospheric investigations. The term  sonar  is also used for the equipment used to generate and receive the sound. The acoustic frequencies used in sonar systems vary from very low (infrasonic) to extremely high (ultrasonic). The study of underwater sound is known as  underwater acoustics  orhydroacoustics.History†¦ Although some animals (dolphins and bats) have used sound for communication and object detection for millions of years, use by humans in the water is initially recorded by  Leonardo Da Vinci  in 1490: a tube inserted into the water was said to be used to detect vessels by placing an ear to the tube. [1] In the 19th century an underwater bell was used as an ancillary to  lighthouses  to provide warning of hazards. The use of sound to ‘echo locate' underwater in the same way as  bats  use sound for aerial navigation seems to have been p rompted by the  Titanic  disaster of 1912.The world's first  patent  for an underwater echo ranging device was filed at the British  Patent Office  by English meteorologist  Lewis Richardson  a month after the sinking of the Titanic,[2]  and a German physicist  Alexander Behm  obtained a patent for an echo sounder in 1913. The Canadian engineer  Reginald Fessenden, while working for the Submarine Signal Company in Boston, built an experimental system beginning in 1912, a system later tested in Boston Harbor, and finally in 1914 from the U. S. Revenue (now Coast Guard) Cutter Miami on the  Grand Banks  off  Newfoundland  Canada. 2][3]  In that test, Fessenden demonstrated depth sounding, underwater communications (Morse Code) and echo ranging (detecting an iceberg at two miles (3  km) range). [4][5]  The so-called  Fessenden  oscillator, at ca. 500  Hz frequency, was unable to determine the bearing of the berg due to the 3 metre wavelength and the small dimension of the transducer's radiating face (less than 1 metre in diameter). The ten  Montreal-built  British H class submarines  launched in 1915 were equipped with aFessenden oscillator. [6] During  World War I  the need to detect  submarines  prompted more research into the use of sound.The British made early use of underwater hydrophones, while the French physicist  Paul Langevin, working with a Russian immigrant electrical engineer,  Constantin Chilowski, worked on the development of active sound devices for detecting submarines in 1915 using quartz. Although  piezoelectricand magnetostrictive transducers later superseded the  electrostatic  transducers they used, this work influenced future designs. Lightweight sound-sensitive plastic film and fibre optics have been used for  hydrophones  (acousto-electric transducers for in-water use), while  Terfenol-D  and PMN (lead magnesium niobate) have been developed for projectors.How to u se†¦ * Install the transmitter. You'll usually have a choice between mounting the transmitter beneath the boat, to a trolling motor or atop the interior hull and letting it drop into the water. * Set the fish finding sonar's sensitivity while watching the display. When the sensitivity is too high, there will be static-like patterns on the display. If the sensitivity is too low, not even the bottom of the body of the water will appear on screen. * 3 * Determine the depth of the body of water. This will be a numeric value on the fish finder sonar system's display.This is important in helping you to determine how much fishing line to feed out from your pole. * Get accustomed to the display's representation of the body of water. The bottom will appear as a jagged, solid line near the bottom of your display. The surface of the water appears as a jumbled static-filled horizontal line at the top of your fish finder sonar system's display. * Learn to identify patterns on your display t hat are brush piles if you're fishing on a lake. Brush piles appear as blobs resting on the lake bottom.Fish such as bass hide out in brush piles, so consider fishing near these echoes. * Learn how to identify fish on your fish finder sonar system display with the fish symbols turned off. With the symbols turned off, fish appear as short curved lines above the bottom of the body of water. Adjust the fish finder sonar's noise filter if there are lines in your display that look like random static. * Remember what the fish finder sonar display was indicating when you catch a fish. This will help you to learn how to use your system to catch more fish later if you keep in mind what to look for.