How Much Air Force One Cost

Air Force One, the aircraft that transports the president of the United States, cost  about $2 billion to build and more than $200,000 to fly, according to federal spending records and published reports. Taxpayers pay for some or all of the Air Force One cost regardless of whether the presidents airplane is used for official trips or unofficial, political purposes. The two newest Air Force One airplanes, both models  747-8, are being outfitted by Boeing at a combined cost of about $3.9 billion and were to take flight in 2021. The White House determines whether use of Air Force One is for official or political purposes. Many times the Boeing 747 is used for a combination of events. Specific Air Force One Costs The $200,000-plus hourly Air Force One cost covers everything from fuel, maintenance, engineering support, food and lodging for the pilots and crew and other operational costs that include the use of special communications equipment. In addition to the hourly cost of Air Force One, taxpayers cover salaries for Secret Service staff and other assistants who travel with the president. Occasionally, when there are more than 75 people traveling with the president, the federal government will use a second passenger airplane to accommodate them. What is an Official Trip? Perhaps the most common example of official Air Force One use by the president is traveling across the United States to explain and win support for his administrations policies. Another is traveling overseas on official state business to meet with foreign leaders, such as President Barack Obamas 2010 trip on Air Force One to India. When a president travels on official business, taxpayers cover all Air Force One costs including food, lodging and car rentals, according to the Congressional Research Service. During official trips taxpayers also cover the cost of travel for the presidents immediate family and staff. What is a Political Trip? The most common example of a political trip on Air Force One is when the president travels to a destination in his role not as commander-in-chief but as de facto leader of his political party. Such travel would be to attend fundraisers, campaign rallies or party events. On the campaign trail, Obama and other presidential nominees have also gotten to use armored buses that cost more than $1 million each. When Air Force One is used for political purposes, the president often reimburses the government for the cost of food, lodging and travel. The president or his election campaign pays back an amount that is equivalent of the airfare that they would have paid had they used a commercial airline, according to the Congressional Research Service. According to The Associated Press, though, the president or his campaign does not pay for the entire Air Force One operation cost. They pays an amount that is based on the number of people board the airplane. Taxpayers still pick up the cost of Secret Service agents and the operation of Air Force One. Political and Officials Trips The a president and his family and staff travel on Air Force One for a combination of political and officials purposes, they typically reimburse taxpayers for the part of the trip that is considered campaigning. For example, if half of the presidents trip is spent raising money for his or another officials election, he or his campaign will reimburse taxpayers for half the cost of his travel, food and lodging. There are gray areas, of course. When they travel and appear in public to defend their policy positions, the difference between their official duties and their activities as leaders of their political party can be difficult to assess, the Congressional Research Service state. As a result, the White House decides the nature of travel on a case-by-case basis, attempting to determine whether each trip, or part of a trip, is or is not official by considering the nature of the event involved, and the role of the individual involved.

Essay Affirmative Action - 1163 Words

Affirmative action works. When these policies received government support, vast numbers of people of color, white women and men have gained access they would not otherwise have had. These gains have led to very real changes. Affirmative action programs have not eliminated racism, nor have they always been implemented without problems. However, there would be no struggle to roll back the gains achieved if affirmative action policies were ineffective. The implementation of affirmative action was Americas first honest attempt at solving a problem, it had previously chosen to ignore. In a variety of areas, from the quality of health care to the rate of employment, blacks still remain far behind whites. Their representation in†¦show more content†¦Congress also passed a number of civil rights laws barring discrimination against blacks in hotels, theaters, and other places. However, the South reacted by passing the Black Codes, which severely limited the rights of the newly freed slaves, preventing them in most states from testifying in courts against whites, limiting their opportunities to find work, and generally assigning them to the status of second or third class citizen. White vigilante groups like the Klu Klux Klan began to appear, by murdering and terrorizing blacks who tried to exercise their new rights. Legal ways were also found for circumventing the new laws; these included grandfather clauses, poll taxes, white only primary elections, and constant social discrimination against and intimidation of blacks, who were excluded form education and from any job except the most menial. Affirmative action has had its greatest amount of success in city, state, and governm ent jobs. Since the 1960s the area of law enforcement witnessed the greatest increase in minority applicants, and in jobs offered to minorities. This should be viewed as an extremely positive thing, because prior to affirmative action these jobs were almostShow MoreRelatedThe Affirmative Of Affirmative Action Essay1389 Words   |  6 Pages Many affirmative action efforts have been made since the end of the Civil War in order to remedy the results of hundreds of years of slavery, segregation and denial of opportunity for groups that face discrimination. Many African Americans such as President Barack Obama, Senator Cory Booker, the writer Toni Morrison, the literary scholar Henry Louis Gates, media star Oprah Winfrey, and rap star Jay-Z have achieved positions of power and influence in the wider society (Giddens, Duneier, AppelbaumRead MoreAffirmative Action1559 Words   |  7 PagesRESEARCH PAPER AFFIRMATIVE ACTION INTRODUCTION Affirmative Action is an employment legislation protection system that is intended to address the systemized discrimination faced by women and minorities. 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Many see it as a negative policy which gives an unnecessary advantage to minorities in America. In a 2009 Pew Poll, â€Å"58% of African Americans agree† and only â€Å"22% whites agree† that there should be â€Å"preferential treatment to improve the position of blacks and other minorities† (Public Backs Affirmative Action†). Today affirmative action and other racial injustices tend to be in the spotlight quite often, suchRead MoreAffirmative Action774 Words   |  4 PagesAffirmative action is a practice that is intended to promote opportunities for the â€Å"protected class† which includes minorities, woman, and people with disabilities or any disadvantaged group for that matter. With affirmative action in place people of this protected class are given an even playing field in terms of hiring, promotion, as well as compensation. Historically, affirmative action is only known to have protected African Americans and woman; however that is not the case. Affirmative actionRead MoreAffirmative Action : Gender Action Essay970 Words   |  4 PagesAffirmative Action (ADD PROPER INTRO) Affirmative action, in its broadest sense, are attempts to help create labor and educational opportunities for groups that have been disadvantaged in the past. (Miriam Webster). Evidence has shown that throughout history, many groups have been discriminated against, and because of past (discriminations?), they continue to experience obstacles in areas of hiring, promotion, renting, buying, gaining education, and everyday economic activities. Thus, affirmativeRead MoreAffirmative Action Is An Action Or Policy? Essay1774 Words   |  8 Pages Affirmative Action remains one of the more complicated and controversial topics dealt with in American society. Affirmative Action is an action or policy designed to protect specific groups who suffer from discrimination, and provide them with programs and special opportunities. These government or private programs were designed to set right historical injustices towards the members of these groups who have suffered things like employment and e ducational disadvantages from racial discrimination

How Success Can Be Achieved free essay sample

When a man feels throbbing within him the power to do what he undertakes as well as it can possibly done, this is happiness and this is success. â€Å"how success can be achieved† Someone has rightly said that there are three ingredients in a good life, learning, earning, and yearning. These three ingredients in right amount will lead one to success. Success doesn’t come in instant packets, ready to be adorned but it should be achieved . There are no hard and fast rules to achieve success, but some formulas to be applied . As a gem cannot be polished without friction no man cannot be perfected without trials . So face the trials courageously and withstand it steadfastly. A non-doer , is often a critic that is, someone who sits back and watches doers, and then waxes philosophically about how the doers are doing . It’s easy to be a critic, but being a doer requires effort ,risk and chance. We will write a custom essay sample on How Success Can Be Achieved or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page So never give ears to critic and keep leaping towards your goals. Do not be desirous of having done things quickly as it prevents things to be done thoroughly. And don’t aim at small advantages as it prevents great affairs from being accomplished. Success is not measured by what you accomplish but by the opposition you have confronted and the courage with which you have maintained the struggle against overwhelming odds. Success can be achieved by the ability to apply ones physical and mental to the problem and not to grow weary. Most successful men have not achieved their distinction by having some new talent or opportunity presented to them. They have developed the opportunity that was at hand. Hard workers will always achieve whatever they want. The difference between a successful person and others is not a lack of strength, not a lack of knowledge, but rather in a lack of will. So move ahead with a strong will power, determination and passion and go get the ever sweet fruit of success. â€Å"the secret of success is not known by me but the secret of failure is trying to please everyone†.

Warren G Harding Essay Example For Students

Warren G Harding Essay David’s opinion on the presidency of Warren G. HardingWhen most people probably think about the 29th president they might say, â€Å"Who the hell is that?† but you as my second period history teacher would know right off the bat who he is (or I think so). In some opinions as from American historians he is viewed as â€Å"The worst in the nations ever experienced, worse than that of Ulysses Grant, worse than even than of the president that was forced to resign, Richard Nixon †(Murray, 389)!What can you say about Scandals; go ahead say it give it a try (skandal) see how the words are summoned out of your throat and out through your lips (Patrick, brain). Well you might ask yourself why is he asking me to do this? Well then I say to you that scandal is nothing more then something, which brings disgrace when, exposed to the public. To you that know Warren G. Harding then you’ll know why I asked you of this action. Because while he served in presidency to the United States of America there were a lot of things tha t were scandalized and criticized while in office, but the biggest was the criteria of his not so wisely picked staff or in official terms his cabinet. We will write a custom essay on Warren G Harding specifically for you for only $16.38 $13.9/page Order now In U.S. history, oil reserve scandal began during the administration of President Harding. In 1921, by executive order of the President, control of naval oil reserves at Teapot Dome, Wyo., and at Elk Hills, Calif. was transferred from the Navy Dept. to the Dept. of the Interior (Murray, )*. Wow was it a wonder did he actually know what he was doing or was it just stupidity? President Wilson had set the oil reserves aside for the navy. In 1922, Albert B. Fall, U.S. Secretary of the Interior, leased, without competitive bidding, the Teapot Dome fields to Harry F. Sinclair, an oil operator, and the field at Elk Hills, Calif., to Edward L. Doheny. These transactions became (1922–23) the subject of a Senate investigation conducted by Sen. Thomas J. Walsh. It was found that in 1921, Doheny had lent Fall $100,000, interest-free, and that upon Fall’s retirement as Secretary of the Interior (Mar. 1923) Sinclair also â€Å"loaned† him a large amount of money. The investiga tion led to criminal prosecutions. Fall was indicted for conspiracy and for accepting bribes. Convicted of the latter charge, he was sentenced to a year in prison and fined $100,000. In another trial for bribery Doheny and Sinclair were acquitted, although Sinclair was subsequently sentenced to prison for contempt of the Senate and for employing detectives to shadow members of the jury in his case. The oil fields were restored to the U.S. government through a Supreme Court decision in 1927(Bates, 1). So could this well be the one factor connecting the scandals and him? In this relationship we have him giving the navy’s oil to a known thief. As an answer to the question I have just posed. I would have to say, â€Å"no is the answer†, quite frankly the only way he was connected to this scandal is that he was the president and they (The members that were in the cabinet that wronged the country) were his cabinet. But before all this talk about scandal and him being the worst president lets roll down a street call to Memory Lane: His Childhood. Down this lane you look out the window and you see a kid nick-named ‘Winnie’ mostly not doing his schoolwork thinking about the school paper the Iberian Spectator, seeing how he was the editor of it. A little ways down the road you look and see him selling Insurance but getting tiered of it only after a yeah. Later on he bought a decrepit five-column four-page newspaper called Marion Star. The paper quickly took to expansion, soon after while his successful newspaper was still doing well he married a woman with one eleven-yeah-old child. The woman’s name was Florence Kling DeWolfe (Murray, 390).All in all Warren G. Harding was not the greatest president there was or ever going to be. Also with a speech as this one â€Å"I cannot hope to be one of the great presidents, but

Revolutionary Movement free essay sample

The reasons for the American Revolutionary Movement are diverse and numerous; however, one reason stands above them all: economics. Ever since the first settlers began to colonize the United States, economics have been present as the foundation for the country. Our society today is derived from money matters just as it was in the time before and during the Revolution. The British fighting the French and Indian War was a base for strong financial changes that led to the Revolution.This was closely followed by the Declaratory Act that allowed the taxing of the colonies and the Intolerable Acts made by the British. We will write a custom essay sample on Revolutionary Movement or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page They all had strong influences in the economics of the country that led to the Revolutionary War. In 1754, the British fought the French for the final of four wars in what we know as the French and Indian War. It was a fight to see who would rule in North America, and it was eventually won by the British. Despite their victory, the British were forced into debt, and their solution to get out of it involved one thing: taxing the colonies.This led to the formation of the Greenville Taxes. Two of these, the Quartering Act and the Stamp Tax, brought uproar from the colonists. The Quartering Act forced the colonists to house and feed British Soldiers with no additional money given to them. Many of the colonists didnt have the money to feed the soldiers, so it caused them to go into debt, which affected the financial side of the communities because the people were becoming so poor. After the Quartering Act, the British brought on the Stamp Tax.This was the first direct tax on the colonists, and it got them all riled up. A group known as the Sons of Liberty was formed and they led a boycott against the British taxing claiming that there should be no taxation without representation. The tax changed the economics of the colonies, causing them to lose money rapidly, but the boycott came back in retaliation against the British. Because the British were no longer getting money from the colonists to pay off their debt, their finances were suffering triggering the repeal of the tax.The Sons of Liberty appealed to the king about the Stamp Tax, so the king repealed the tax using the Declaratory Act. This act still allowed the king to tax the colonies, and he made full use of that fact. One year after passing the Declaratory Act, the king brought around the Townsend Act and put a tax on dead, paper, paint and tea, as these were the items most economically important to the colonists at the time. After much debate, all the taxes were revoked except for the one on tea.Nevertheless, the damage to the economy of New England was done, and the wealth of the country was declining rapidly, angering the colonists. The settlers in the colonies didnt agree with the British taking all of their hard-earned money, and so they were slowly building up to the American Revolution in retaliation. This led to the Boston Tea Party which was once again spear-headed by the Sons of Liberty. England ere very angry with the colonists destroying all their tea, and instead of giving the colonist what they wanted, they jacked-up the tax price on the tea and made them pay for what they had ruined. Once again the economy was dropping because all of the money was going to the British. With every act performed by the British that involved money, the colonists were becoming angrier with their mother country which caused them to strike back. The final acts made by the British were the real turn. These are known as the Intolerable Acts, and they are what finally brought the colonists to the Revolution. The Intolerable Acts are made up of several things done by the British, but the two that made the most impact were the ones that involved money.The British passed the Boston Port Bill which closed the port in Boston. This devastated the economy as the colonists could no longer import or export goods from one of their biggest ports. It caused inflation in prices and a riot within the colonies. Already angry with the British, the colonists now saw everything that England did as unforgivable and a reason to fight. Another one of the most influential Intolerable Acts was the increase quartering of troops.This happened because the charter stating that the colonists no longer had to house soldiers Was revoked, and more troops were sent to keep the over-ambitious colonists under control. Fuming with anger at once again having to pay for not only them, but at least one other person as well, each colonist was finally thrown over the top, and they started to fight to gain their own country. From the time the British fought the French in the French and Indian War to when they instated the Declaratory and Intolerable Acts, economics became the main force driving the colonists into the American Revolution.Not only did England try to take advantage of the new colonies to earn money, but it seemed to neglect the fact that it was throwing the people into debt. Having to give all of their money to Britain, the colonists became infuriated, so they fought back and it led to the American Revolution. Economics were and are very important to every country, so it is understandable that inflation in prices and higher taxes could have led the American Revolutionary Movement, and it is even easier to accept that it was what primarily drove to colonists to begin fighting back.

Misused Words Ironic and Literally - Proofread My Paper

Misused Words Ironic and Literally - Proofread My Paper Misused Words: Ironic and Literally We try not to be too pedantic here at Proofreading Towers. After all, language changes over time, and there’s not much we can do to stop that. But there are some words whose widespread misuse makes us feel a bit sad, such as â€Å"ironic† and â€Å"literally.† Ironic (Against Expectations) In everyday language, â€Å"ironic† is often used to mean â€Å"coincidental† or â€Å"unfortunate.† The most famous example of this comes from the Alanis Morissette song, which lists a range of things that fit this definition of â€Å"ironic,† such as: It’s like rain on your wedding day. The problem is that a rainy wedding day is not technically ironic. The actual definition of â€Å"ironic† is â€Å"opposed to what you’d expect.† Consequently, rain on your wedding day would only be ironic if weddings were notoriously dry. Unfortunate, but not ironic.(Photo: Tom Godber/flickr) The word â€Å"irony† does have other meanings, mostly related to drama and literature. But all of these rely on the same basic idea of something happening against expectations. As such, finding your lost keys just as you’ve had replacements made is not â€Å"ironic,† no matter how annoying it might be. It’s just an unfortunate coincidence. Literally (In Actual Fact) Misuse of â€Å"literally† is possibly even more common than misuse of ironic. It’s also more problematic, as people often use â€Å"literally† to emphasize a metaphor: When Alanis finds out, she’ll literally explode with anger. We wouldn’t usually take this to mean that someone is about to actually explode. It’s just a way of figuratively stressing how angry they’d be. The repressed rage is plain to see.(Photo: Justin Higuchi/wikimedia) However, the original meaning of â€Å"literally† is â€Å"exactly† or â€Å"actually the case.† As such, using â€Å"literally† to emphasize something that isn’t actually true is the exact opposite of this! We’re then left in a situation where one common use of â€Å"literally† is opposed to its â€Å"literal† use. Now that is ironic (in the literal sense of the word)! Does Any of This Really Matter? Yes, we know that using these terms wrongly doesn’t hurt anyone. And so we try not to worry about it too much. But if, like us, you prefer to avoid mistakes in your written work, it makes sense to use these words correctly.

Centripetal Force Lab Report Example | Topics and Well Written Essays - 750 words

Centripetal Force - Lab Report Example t is made sure that the position of the cross arm and radial indicator allows the mass to hang directly over the indicator when the spring is released. The diameter of the shaft and the distance from the shaft to the indicator are then measured and recorded. Hand is then used to spin the shaft until the hanging weight passes directly over the indicator. With the radius held constant, the time taken by 50 revolutions is recorded. From this, frequency of the motion can be determined and hence centripetal force on the mass. To determine the actual force required to stretch the spring enough to hold the weight over the indicator, a string is connected to the mass and passed over to the pulley. Weights are then added to the end of the string until the mass is positioned over the indicator. The value of force obtained will be correct and can be used in calculating the uncertainty in the value of centripetal

Constitutional Rights Research Paper Example | Topics and Well Written Essays - 1000 words - 1

Constitutional Rights - Research Paper Example These inherent rights have never been more happily expressed than in the declaration of independence, that new evangel of liberty to the people: "We hold these truths to be self-evident" -- that is, so plain that their truth is recognized upon their mere statement -- "that all men are endowed" -- not by edicts of emperors, or decrees of Parliament, or acts of Congress, but "by their Creator with certain inalienable rights" -- that is, rights which cannot be bartered away, or given away, or taken away, except in punishment of crime -- "and that among these are life, liberty, and the pursuit of happiness, and to secure these" -- not grant them, but secure them -- "governments are instituted among men, deriving their just powers from the consent of the governed." (Butchers Union v. Crescent City Co., 1884) The reader should study that passage carefully and read it several times. Slowly read it out loud, listening carefully to the words. What is the difference between ordinary rights and so-called â€Å"Constitutional Rights†? There is no difference, except that those rights enumerated and guaranteed in the US Constitution get more attention. Breathing is not a Constitutionally protected activity, yet the Declaration of Independence clearly claimed a â€Å"right to life† exists. The Supreme Court has repeatedly claimed to have found a right to privacy, yet we find no such concept enumerated in the articles or amendments of the Constitution. In the US the Supreme Court is the final arbiter of what your rights are. Pay careful attention to what they have to say. There are many rights, but the issue is focusing on rights that are generally acknowledged to both exist and be â€Å"fundamental† rights. Not knowing one’s rights, one cannot protest when they are violated and lacking a timely objection the courts consider the matter to be waived. We shall discuss in the following report a few critical rights that anyone, post arrest and post conviction,

Regionalism Essay Example | Topics and Well Written Essays - 1750 words

Regionalism - Essay Example In this sense regionalism is seen to provide a buffer against the run away train of globalisation, yet, as we shall see in many ways regionalism's aims quite often run parallel to those of globalism. Keohane and Nye (2000) define globalism as the "state of the world involving networks of interdependence at multicontinental distances."1 Regionalism, on the other hand, can be defined as the move by two or more states towards greater political, economic and social integration. Oman (1999) claims that it can be a "process, driven by the same microeconomic forces that drive globalisation or it can be a process, driven by political forces, which may in turn be motivated by security, economic, or other objectives."2 Both globalism and regionalism have the ability to stretch over the economic, social and political institutions of a country. The definition of regionalism has changed over the last twenty-five years. Dutta (1999) claims that since the end of the Cold War "regionalization has become more economic than political. The two international arrangements that dominated the political and economic dialogues over the past several decades have come to outlive their usefulness."3 The opening of the global economy and the intensity of change in technological areas since this time have resulted in an assortment of pressures upon states. States, in turn, are adapting to these pressures by taking part in regional trading blocs. For Habermas (2001) globalisation and its challenges must be offset by an expansion of political authority that reaches beyond the national but does not go to the extent of being global."4 In addition, Lupel adds, "If under conditions of globalisation the state has begun to lose its capacity to protect its people from the exigencies of the world economy, and if processes of globalisation have left i nfluential forces beyond the steering capacities of the democratic nation-state, then political change is clearly on the agenda. The integration of separate nation-states into new political and economic units is seen as one way to respond to this new conjuncture."5 Regional ties differ from global ties in that they bring together groups of nations who share linguistic, cultural or historic similarities. They present an 'us' and 'them' scenario with the rest of the world. While the global community has no "ethical political self-understanding of citizens" a regional one does and according to Habermas that is essential for developing a sense of identity and solidarity.6 These regions may also give smaller countries a platform to push issues of their own concern. Oman (1999) claims that because bargaining power in multilateral trade negotiations depends largely on domestic market size a regional grouping should have greater bargaining power than any of its members would have individually.7 In addition, Fernandez Jilberto and Mommen (1998) state, "Regional arrangements provide external credibility for their own programmes of trade and investment liberalization, as well as wider market access, particularly in the protection-prone industrialized capitalist world.8 For many developing and smaller countries regionalism would serve to re-emphasise collective autonomy in relation to US and the EU economic policies.9 Aside from forming

Air Compressor Systems Introduction

Air Compressor Systems Introduction Air Compressor System provides high pressure compressed air with subsequent reduction in volume for a range of industrial and domestic applications. They have become imperative equipment in almost every industry. Due to its high efficiency, feasible operational parameters and diverse range of applications, they have gained widespread popularity and no industry is complete without a compact compressor system. The primary objective of this report is to understand the importance of air compressor systems. In addition, the report covers a wide spectrum of compressor applications and processes. The different types of compressors, along with their merits and demerits have been delineated. The important operational parameters have been defined along with their importance in the compression process. Air is free, whereas compressed high pressure air is not. True to the phrase, generating high pressure compressed air is not an economical and energy efficient process. High initial and maintenance costs can increase the overall compressor cost to a great extent. Proper and well maintained compressor systems can reduce energy consumption from 30-50%. Various steps to reduce energy consumption and increase overall efficiency have been detailed in the report. For a practical application of compressor acumen, a case study has been conducted on an ELGI Compressor which is under operation in Arabian Cement Industry. With the data collected from the study, certain operational parameters were calculated and corresponding inferences were drawn. At the end of the study, we are able to conclude the current state of the compressor and detail certain steps to improve efficiency and compressor performance. The future of air compressor systems has been a constant research topic among industrialists. The modern techniques of Heat Recovery Systems in air compressors and use of Variable Speed Drives have been briefly detailed to provide a view into a bright future of air compressor systems. CHAPTER 1 Introduction to Air Compressor Systems In most industrial applications, compressed air is considered as the fourth utility, preceded by the three essential utilities; water, electricity and natural gas. Typically, a simple air compressor is an industrial device that intakes ambient air and increases the pressurewith reduction in volume by doing work on the working fluid, namely air or gas. The primary objective of employing a compressor is to provide high pressure air using least possible power consumption. The compression can occur in any one of the three ways; adiabatic, isothermal or polytropic. For an Adiabatic compression process, there is assumed to be no heat loss or gain from the system. When the temperature of air at inlet equals temperature of compressed air at outlet, the compression process is Isothermal. Normally, a typical compression process involves Polytropic Compression. The pressure, temperature and volume of air it inlet and outlet vary with the respective conditions. The least possible work of compression is achieved in an adiabatic compression process as the net work done by the system is zero. [1] The adiabatic efficiency is the maximum possible compressor efficiency and compressors are designed with compressor efficiencies such that, there is little or no variation among the two. As mentioned earlier, compressed air is considered a utility because of their diverse applications in various industrial and metallurgical operations. The compressed air supply is clean, convenient, safe and flexible for use. Industrial uses can be attributed to when they are in connection with compressed air motors for functioning of pneumatic tools, raw material conveying through ducts, in connection with a reservoir for storage of compressed air for future applications. 1.2 Historical Background The earliest documented use of the compressor dates back to around 4th century B.C. In those times, the compressor was termed as a water organ. The water organ was invented by Ctesibius of Alexandria. The design comprised of a chamber filled with air and water, a water pump, collection of pipes of various dimensions and connecting tubes and valves. The mechanism of operation was relatively simple; by pumping water into the chamber, the air gets compressed. [2] With advancement of time and technology, various improvements and innovations were made to the water organ. In 1808, the Multi Stage Axial Compressor, designed by John Dumball, came into industrial application. However, this design did not achieve wide-spread popularity because the compressor comprised of moving blades without stationary blades to transfer the air flow into the successive compression stage. During the 19th century, the invention of the Roots Blower was a huge step leading to invention of modern air compressor systems. Philander and Francis Roots designed the Roots blower, while devising a suitable replacement for the water wheel at their woolen mill. The roots blower consisted of numerous impeller pairs rotating in opposite directions.[3] Dr. Franze Stolze designed the modern compressor in 1900; which comprised of a multi stage axial flow compressor with a combustion chamber, multi-stage axial turbine along with a regenerator to heat the discharged air utilizing exhaust waste gases. 1.3 Applications of Compressed Air High pressure compressed air is widely used for industrial and domestic applications due to their high efficiency and facile operational nature. The powering of pneumatic equipment is one of the major applications of compressed air. Pneumatic tools are lighter, deliver more power and not prone to overloading, unlike electric motor run equipment. Compressed air driven tools can achieve high overall torque and optimum speed in a short span of time. They are safer as compared to electric driven tools because of no spark conditions and less overheating. [4] Compressed air is also used for raw material transport, combustion processes; such as oxidation, thermodynamic operations; such as refrigeration and cryogenics. Filtration, aeration and dehydration processes are also driven by compressed air. Non-industrial applications of compressed air include transportation, mining and agriculture.[5] 1.4 Components of Air Compressor System Due to the diverse applications of compressed air, air compressor systems merit an intricate and complex design. Air compressor systems consist of a number of sub-systems and components, which include the air compressor, motor and drive unit, control systems, air inlet filters, air dryers, after-coolers and various other retrofitted components. During the operation of an air compressor system, the ambient air is taken into the system by air inlet filters. The motor and gear unit powers the compressor system to increase the pressure of air. The primary function of an integrated control system is to regulate the amount of air intake and air discharge from the system. Treatment equipment, such as an Air Dryer and Air Separator are used to remove contaminants and provide moisture and oil free pressurized air. The Outlet and Distribution systems play the pivotal role of transporting the compressed air to the various required sources. In typical industrial applications, the pressurized air is stored in an Air Reservoir or Storage Tank for future use. The major components of an air compressor are detailed below: Intake Air Filter: Ambient air enters the compressor via inlet air filters. Filtration elements in intake filters facilitate filtration of particulate matter present in air. This allows the entry of clean and dry air into the compressor. Compressor Cooling: A substantial amount of heat is generated during compressor process. As a result, cooling and lubrication of the system is mandatory for reducing wear and damage to the compressor spares; thereby increasing compressor efficiency. Compressors are normally cooled using air, water or oil (lubricant). [6] Inter-Stage Coolers: Inter coolers act as heat exchangers to lower the temperature of air before it enters into successive stages of compression.[7] This reduction of temperature is paramount to reduce the overall compression work and increase compressor efficiency. After-Coolers: After coolers are employed at the end of compression process to lower the discharge temperature of air. During this final stage of operation, as the temperature is lowered, moisture present in air condenses and separated from the discharge air. Air Separators: Separators act as an enhanced after-cooler. Theyare installed either after an inter-cooler or after-cooler to desiccate discharge air. Air-Dryers: Normally, after the compressed air has passed through all the above mentioned equipment, discharge air is passed into the air-dryer before storage in the reservoir. The air that reaches the dryer is saturated. If this saturated air enters the piping, it can lead to corrosion and damage to the transport equipment. The Relative Humidity (moisture content) in atmospheric air is relatively high. When this air is compressed at high pressure, it occupies a small volume and high temperature. At a specific temperature, all the moisture present in air condenses. This temperature is known as Dew Point. This process is cycled in an air-dryer to ensure that moisture-free air reaches the storage area.[8] Pressure Regulators/Flow Controller: PFCs are auxiliary equipmentthat minimizes pressure drops in the system by stabilizing system pressure. Lubrication: Lubrication is a paramount need for effective compressed air operation. A lubricator is employed to lubricate and cool the moving parts and prevent overheating. In some systems, the lubricator is retrofitted with a compressed filter and pressure flow regulator to fashion a system known as Filter Regulator Lubricant (FRL).[10] Air Receivers: The high pressure compressed air from the system is discharged to a storage tank or an air-receiver according to the demand. The capacity and type of air receiver varies depending on the demand of compressed air within the system. For spasmodic demand of compressed air, a large capacity reservoir is employed for a relatively small capacity compressor. Moreover, a receiver functions depending on demand, thereby reducing overwork and load on the compressor. Air Transport and Distribution System: The final stage in a compression process is the proper distribution of compressed air to the demand points. A common distribution system includes piping, valves and hoses. To minimize the pressure drop during distribution, it is imperative that the pipe length is kept minimum and diameter to maximum.

Myopia In Asian Countries Health And Social Care Essay

Vision consequences from entryway of visible radiation into the oculus and the reading of this stimulation by the encephalon. For a normal oculus, visible radiation is focused to a topographic point on the retina. This message would so be sent to the encephalon to be interpreted as a message. Ocular sharp-sightedness is defined as the lucidity or acuteness of vision, which is the ability of the oculus to see and separate mulct inside informations. [ 1 ] . The cornea is the most powerful refracting surface of the optical system of the oculus, accounting for two-thirds of the oculus ‘s focusing power. Production of a crisp image at the retinal receptors requires corneal transparence and appropriate refractile power. The refractile power of the cornea depends on its curvature and the difference in refractile indexes between it and air [ 9 ] . Refractive mistakes occur when the curve of the cornea is irregularly shaped ( excessively steep or excessively level ) . When the cornea is of normal form and curvature, it bends, or refracts, visible radiation on the retina with preciseness. However, when the curve of the cornea is irregularly shaped, the cornea bends light amiss on the retina.A [ 15 ] When the cornea is curved excessively much, or if the oculus is excessively long, far-off objects will look blurry because they are focused in forepart of the retina. This is called nearsightedness, or nearsightedness. Hyperopia, or presbyopia, is the antonym of nearsightedness. Distant objects are clear, and close-up objects appear blurry. With hypermetropia, images focus on a point beyond the retina. Hyperopia consequences from an oculus that is excessively short. Astigmatism is a status in which the uneven curvature of the cornea fuzzs and distorts both distant and close objects. A normal cornea is round, with even curves from side to side and exceed to bottom. With astigmia, the cornea is curved more in one way than in another. This causes light beams to hold more than one focal point and concentrate on two separate countries of the retina, falsifying the ocular image. [ 15 ] Measurement of corneal curvature/power can be performed with a assortment of instruments, most normally aA keratometer, A IOLMaster, orA corneal topographyA device. Corneal curvature is normally used forA IOLA computations and cornealA refractile surgery. It is besides helpful for contact lens fitting and observing irregular astigmia. [ 5 ] The primary purpose of this survey is to look into the relationship between corneal curvature and grade of refractile mistake among emmetropic and myopic immature population in Malaysia and to find the standard value of corneal curvature of immature population.1.2 Research inquiryQuestion 1: Does corneal curvature vary significantly with different province of refractile mistake? Question 2: What are the scope of readings of corneal curvature of emmetropic and myopic immature topics? Question 3: Is there any different between horizontal and perpendicular curvature of the cornea?1.3 Aims of the survey1.3.1 General aimThe general aim of this survey is to look into the relationship between corneal curvature and refractile position among emmetropic and myopic immature patients in IIUM Kuantan Campus.1.3.2 Specific aimsTo find whether corneal curvature varies significantly with refractile mistake. To compare the readings of corneal curvature between emmetropic and myopic immature topics. To place the normal scope of corneal curvature for emmetropic and myopic immature topics. To place whether there is any different between horizontal and perpendicular curvature of the cornea. To look into the function of corneal curvature in refractile province among Malayan population.Hypothesis of the surveyThere is no important relationship between corneal curvature and refractile position.Chapter 2LITERATURE REVIEW2.1 Prevalence of nearsightedness in Asiatic statesNational Eye Survey done in Malaysia [ 2,3 ] found the prevalence of ocular damage was 2.7 % . The prevalence was higher in rural countries ( 2.9 % ) as compared to urban countries ( 2.5 % ) . The prevalence of ocular damage in rural population in Selangor has been reported to change from 5.6 % to 18.9 % in which they found that among the patients go toing the Eye Clinic at University Malaya Medical Centre, the most common cause of ocular damage in kids was refractile mistakes, whereas in aged patient ocular damage is due to cataract, glaucoma and diabetic retinopathy. [ 4 ] Myopia is a common cause for ocular damage among immature population in Asia. Estimates of the proportion of nearsightedness in the immature population in Asia ranged from 30 % to 65 % ( Saw et al. 1996 ; Chow et al. 1990 ) , and the prevalence was found to be greater among Chinese people ( Wensor et al. 1999 ; Sperduto et Al. 1983 ) . In Malaysia, the prevalence of nearsightedness found among Malay, Chinese and Indian schoolchildren was 47 % , 20 % and 19.4 % severally ( Garner et al.1990 ; Chung et Al. 1995 ; Saadah et Al. 2002 ) . With the increasing rates of nearsightedness, orthokeratology and refractile surgery such as LASIK, has become rather popular in Asia. When set abouting such processs to rectify nearsightedness, corneal curvature is an of import consideration in order to forestall the cornea from going excessively level after the intervention. [ 6 ]2.2 The importance of corneal curvatureCorneal curvature is normally used forA IOLA computations and cornealA refractile sur gery. It is besides helpful for contact lens fitting and observing irregular astigmia ( Friedman, 2009 ) . Measurements of cardinal and peripheral corneal curvature are utile for naming and supervising corneal conditions such as keratoconus and for supervising corneal form following optic surgery6-10 or refractile processs such as orthokeratology. [ 13 ] Liu Z. , Pflugfelder SC, ( 2000 ) studied on the effects of long-run contact lens wear on corneal thickness, curvature, and surface regularity. They found that the corneal curvature, maximal keratometry ( Max K ) and minimal keratometry ( Min K ) readings, were significantly steeper in eyes have oning contact lenses than normal eyes ( PA & lt ; 0.01 for Max K and Min K measured by both instruments ) .In foregrounding the importance of corneal curvature in IOL computations, Schena LB ( 2008 ) cited from Dr. Majmudar, in patients who have non undergone old surgery, the value at the centre of the cornea is approximately the same as the value at 3.2 millimetres ( based on keratometer measurings ) . However, patients who have undergone LASIK or PRK can hold altered corneas, and the value at the cardinal cornea, which is the end of measuring, may be really different from that at 3.2 millimetres. Consequently, if testers merely rely on the topography, they may be off, and for every 1 dioptr e off in mensurating the corneal curvature, a approximately 1 dioptre misreckoning will ensue for the patient ‘s refractile result. [ 11 ]Besides that, keratometry plays a critical function in the truth of IOL power computation by observing and mensurating astigmia by finding the steepest and flattest acmes of the corneal surface.A [ 16 ]Keratometry plays a critical function in the truth of IOL power computation, observing and mensurating astigmia by finding the steepest and flattest acmes of the corneal surface.A Keratometry plays a critical function in the truth of IOL power computation, observing and mensurating astigmia by finding the steepest and flattest acmes of the corneal surface.A Keratometry plays a critical function in the truth of IOL power computation, observing and mensurating astigmia by finding the steepest and flattest acmes of the corneal surface.A Keratometry plays a critical function in the truth of IOL power computation, observing and mensurating astigmia by finding the steepest and flattest acmes of the corneal surface.A Dr. Majmudar explained that keratometers measure the curvature of the anterior surface about 3.2 millimeter from the centre of the cornea. â€Å" In patients who have non undergone old surgery, the value at the centre of the cornea is approximately the same as the value at 3.2 millimetres, † he said. â€Å" However, patients who have undergone LASIK or PRK can hold altered corneas, and the value at the cardinal cornea, which is the end of measuring, may be really different from that at 3.2 millimetres. Consequently, if you merely trust on the topography, you may be off, and for every 1 dioptre you are away in mensurating the corneal curvature, a approximately 1 dioptre misreckoning will ensue for the patient ‘s refractile outcome. † Dr. Majmudar explained that keratometers measure the curvature of the anterior surface about 3.2 millimeter from the centre of the cornea. â€Å" In patients who ha ve non undergone old surgery, the value at the centre of the cornea is approximately the same as the value at 3.2 millimetres, † he said. â€Å" However, patients who have undergone LASIK or PRK can hold altered corneas, and the value at the cardinal cornea, which is the end of measuring, may be really different from that at 3.2 millimetres. Consequently, if you merely trust on the topography, you may be off, and for every 1 dioptre you are away in mensurating the corneal curvature, a approximately 1 dioptre misreckoning will ensue for the patient ‘s refractile outcome. † Dr. Majmudar explained that keratometers measure the curvature of the anterior surface about 3.2 millimeter from the centre of the cornea. â€Å" In patients who have non undergone old surgery, the value at the centre of the cornea is approximately the same as the value at 3.2 millimetres, † he said. â€Å" However, patients who have undergone LASIK or PRK can hold altered corneas, and th e value at the cardinal cornea, which is the end of measuring, may be really different from that at 3.2 millimetres. Consequently, if you merely trust on the topography, you may be off, and for every 1 dioptre you are away in mensurating the corneal curvature, a approximately 1 dioptre misreckoning will ensue for the patient ‘s refractile outcome. † Dr. Majmudar explained that keratometers measure the curvature of the anterior surface about 3.2 millimeter from the centre of the cornea. â€Å" In patients who have non undergone old surgery, the value at the centre of the cornea is approximately the same as the value at 3.2 millimetres, † he said. â€Å" However, patients who have undergone LASIK or PRK can hold altered corneas, and the value at the cardinal cornea, which is the end of measuring, may be really different from that at 3.2 millimetres. Consequently, if you merely trust on the topography, you may be off, and for every 1 dioptre you are away in mensurat ing the corneal curvature, a approximately 1 dioptre misreckoning will ensue for the patient ‘s refractile outcome. † Dr. Majmudar explained that keratometers measure the curvature of the anterior surface about 3.2 millimeter from the centre of the cornea. â€Å" In patients who have non undergone old surgery, the value at the centre of the cornea is approximately the same as the value at 3.2 millimetres, † he said. â€Å" However, patients who have undergone LASIK or PRK can hold altered corneas, and the value at the cardinal cornea, which is the end of measuring, may be really different from that at 3.2 millimetres. Consequently, if you merely trust on the topography, you may be off, and for every 1 dioptre you are away in mensurating the corneal curvature, a approximately 1 dioptre misreckoning will ensue for the patient ‘s refractile result. â€Å" Top of Form Bariah et Al. ( 2009 ) suggested that every demographic has a different norm and scope of corneal curvature values and its relationship to the grade of nearsightedness among normal population.2.3 Corneal curvature in hyperope, emmetrope and myopeIn research by Bariah et Al. ( 2009 ) , consequences from keratometer measuring indicated that the mean of corneal curvature for the all myopic immature topics was 7.74 A ± 0.52 millimeter, with 7.87 A ± 0.28 millimeter for Chinese topics and 7.60 A ± 0.66 millimeter for Malays. In survey by Mainstone JC et Al ( 2010 ) , the correlativity between corneal radius of curvature and spherical equivalent refractile mistake was non statistically important ( r2 = 0.038, p =0.2609 ) . A antecedently study by Carney LG et Al. showed that there is a inclination for the cornea to flatten less quickly in the fringe with increasing nearsightedness. This suggests that there are corneal form alterations that occur in nearsighted eyes, possibly as a consequence of unnatural optic growing, that are non seen in hypermetropic eyes because a different mechanism of refractile mistake development operates in this latter group. However, a research by Bariah et Al ( 2009 ) with average refractile mistake in spherical equivalent was -3.50 A ± 2.10 DS, they found that there is hapless correlativities between myopic refractile mistake and corneal curvature ( r = 0.246, P & gt ; 0.05 ) . On the other manus, a recent survey by Iyamu E et Al. ( 2010 ) on a Nigerian population found that there was a important positive correlativity between corneal curvature and spherical tantamount refraction. ANOVA showed that the difference in average corneal curvature across the refractile position groups was statistically important ( F = 27.9, df = 2, 67, P & lt ; 0.0001 ) . Post hoc trial with Fisher ‘s LSD showed that myopes had steeper corneas than the other two groups ( steeper by 0.27 millimeters than that of hyperopes, and 0.28 millimeter than that of emmetropes ) . The additive arrested development theoretical account is represented by: CRC = 7.853 + 0.069SER. From the equation it can be predicted that for every 1.00D addition in nearsightedness, the cornea is steepened by about 0.07 millimeters.2.4 Measuring corneal curvature utilizing PentacamA ®The Pentacam has become a popular clinical device for measuring the anterior section of the oculus since its launch in 200 4. It contains a Scheimpflug camera that rotates through 360 grades and captures 25 or 50 Scheimpflug slit images within two seconds. Each image shows a cross-section of the cornea and the anterior section. The images contain 500 informations points and up to 25,000 points ( 50 slits A? 500 informations points ) are measured to assorted parametric quantities and to build a 3-dimensional cornea. The Pentacam is capable of mensurating topographic corneal thickness, anterior and posterior corneal topography, anterior chamber deepness and angle and corneal aberrances. It besides provides parametric quantities such as corneal volume and keratometric power difference, which offer new and proficient analyses of the cornea, severally. [ 13 ] For historical grounds, most Placido topographers and keratometers use the refractile index of 1.3375 for the refractile power of the cornea. This refractile index is really wrong even for the untreated oculus ( n~1,332 ) and assumes a changeless ratio between the front tooth and posterior curvature of the cornea. As many IOL power computation expressions use the wrong ‘K-reading ‘ straight an empirical rectification is needed in the terminal to set the correct IOL power in these expressions even in normal instances. [ 12 ] In a survey by Chen D. et Al, the Pentacam system was shown to be extremely dependable in the Sim K measurings, at both the front tooth and posterior corneal surfaces ( Cronbach ‘s alpha trial, I ± a†°? 0.990 ; intraclass correlativity coefficient, ICC a†°? 0.972 ) . The Orbscan is another normally used corneal topographer. It is based on a intercrossed system integrating both the Placido phonograph record and scanning slit rules. Similar to the Pentacam, the Orbscan is non-invasive, simple to utilize and quick, nevertheless, old surveies found the Orbscan to hold questionable public presentation in topographic pachymetry and in the rating of anterior21 and posterior corneal curvatures. [ 14 ]Chapter 3MATERIALS AND METHODSStudy countryLocation of survey is at Clinic of Optometry International Islamic University Malaysia, Kuantan.3.2 Study designThe survey is an experimental case-control survey. The parametric quantities for the collected informations will be performed on both eyes. Data will be collected from each topic on a individual visit.3.3 Subject of the survey3.3.1 Sampling of the surveySampling of the survey is convenient trying. Subjects who fulfilled the inclusion standards for the survey are invited to take part in the survey.Sample si zeThe sample size will be based on the survey by Bariah et Al ( 2009 ) â€Å" Corneal Thickness and Curvature of One Sample of Young Myopic Population in Malaysia † where the topics consisted of 84 myopic university. Should mention the latest paper with groups comparison â€Å" Ocular Dimensions of Young Malays in Malaysia † ( Bariah Mohd-Ali, and Muhammad Afzam Shah Abdul-Rahim, and Zainora Mohammed, and Norhani Mohidin, ( 2011 ) Ocular dimensions of immature Malayans in Malaysia. Jurnal Sains Kesihatan Malaysia, 9 ( 1 ) . pp. 35-39. ISSN 1675-8161. On the sample size computation, refer to relevant old paper and enter the respective values ( mean, standard divergence etc. ) in this web site: hypertext transfer protocol: //www.stat.ubc.ca/~rollin/stats/ssize/n2.htmlSample of the surveySample of the survey comprised of groups of emmetropic and myopic immature topics.Subject ‘s inclusion standardsAge between 20 to 26 old ages old. VA at distance 6/6 or better. VA at near N5 at 33 centimeter or better. Refractive power between +0.50 DS to -0.50 DS and a†°? – 2.00 Darmstadtium Non-contact lens wearer. Soft contact lens wearer less than 5 old ages are permitted provided lenses were non worn on the twenty-four hours of proving Good optic wellness tested with slit lamp and fundus scrutiny. Good general wellness taken from self-report.Subject ‘s exclusion standardsRigid contact lens wearer History of corneal abnormalcy, refractile surgery or orthokeratology intervention.3.4 Study tools and processWithin survey sites, clinical scrutinies are by and large performed at one location ( IIUM Optometry clinic ) . Before clinical eyes scrutiny is performed on the participant, they will be asked for a complete personal and household general wellness and oculus wellness history. Later, participants underwent an extended and standardised scrutiny process, which included ocular sharp-sightedness ( VA ) testing, refraction and a elaborate optic slit lamp and fundus scrutiny The ocular Acuity ( VA ) will be measured utilizing a Snellen chart at 6m. Measurement of refractile position will be conducted utilizing subjective refraction with cross cylinder. Subjects were categorized into emmetropia, hypermetropia and nearsightedness utilizing the spherical tantamount refraction. Classification was done based on: Emmetropia a†°Ã‚ ¤A ± 0.50DS and Myopia a†°? 2.00DS. Following, measuring of corneal curvature will be taken utilizing Pentacam ( Oculus, Inc. , Germany ) . Average corneal curvature ( AVK ) was obtained by the norm of the horizontal and perpendicular corneal curvature. Finally, the external oculus and anterior section ( eyelid, conjunctiva, cornea, flag, and student ) will be examined with slit lamp, and followed by scrutiny of media and fundus utilizing indirect opthmoscopy and fundus camera.3.5 Data analysisThe natural informations are keyed in and organized utilizing statistical package SPSS ( Statistical Package for Social Science ) v ersion 17.0. The information will be analyzed utilizing the same package. Statistical analyses being employed are: Normality trial on each information set utilizing Histogram. important degree: 0.05 for 95 % CI Descriptive analysis ( average, standard divergence, average and frequence ) . One-way analysis of discrepancy ( ANOVA ) will be used to compare the average corneal radius of curvature across the refractile position groups The relationships among parametric quantities will be tested utilizing Pearson ‘s correlativity and additive arrested development analysis.3.6 Ethical considerationEthical blessing will be acquired from the ethical commission of Kulliyyah of Medicine, International Islamic University Malaysia ( IIUM ) . Engagement in this survey is on a voluntary footing and participants will be asked to subscribe the consent signifier if they agree to take part in this survey. A written consent will be acquired prior to informations aggregation ( Appendix B ) . In this consent signifier, campaigners will be informed that they will move as ‘subject ‘ in this survey. Participants will be given account on the processs involved in this survey before informations aggregation is performed.The process is considered safe because it is non-invasive. Furthermore, the participants ‘ informations is confidential to public. Any inquiry from the topic will be answered consequently. Participants may besides retreat from this survey at any clip.

There’s nothing wrong in buying terms papers

On-line paper assistance services are a fast growing kind of business. When we browse the internet, a large number of sites are available in giving paper assistance services. This kind of business saturated the internet. These sites earn a great amount of money everyday and they continue to grow and reproduce in number. This has been one of the most serious issues that schools all over world are dealing. They deem that this kind of business is unethical and immoral.The academic world views this kind of business as a business that teaches the students to be dishonest and lazy in their academic performance instead of teaching them to be responsible and hard working for the attainment of their academic advancement. Indeed, most people view this business as an academic disease. This is a disease that slowly eats the integrity of the academic world and slowly erodes its ethical status, a disease that is very hard to battle. Most students nowadays are fond of ordering papers from the said businesses above.Students just visit sites and after a moment, their term papers are ready for submission. Instead of making their own paper, they would rather opt to order and buy a paper made by these sites in the internet because of the promise of getting a high standard that will result to goods for the students. Students don’t work hard and sweat anymore for their papers. Given the situation in today’s academic world, a question arises. Is it ethical to buy terms papers? This paper is a position paper regarding the posed question.The position of the writer is â€Å"There’s nothing wrong in buying term papers’. This paper will provide arguments regarding the claim and hopefully make the academic world view term papers’ buying as not a wrong act but rather an act of helping students achieve their dreams of a better and fulfilling life in the future. REASONS FOR THE CLAIM There’s nothing wrong in buying term papers in paper assistance bus inesses. This claim comes from the reason that this kind of business helps a lot of people achieve their dreams of a better life.This macro-level reason for the position will be backed up by three sub- reasons. First, students can save time in buying term papers and the saved time can be used in working in order to earn. Second, an academically poor student does not necessarily mean a poor employee in the future. Third, the assistance students get from paper assistance sites will most probably give them high grades which are vital in their employment application in the future. It is of a great fact that many students are not full-time students. Many students are also working to help support their own education.A lot of families are in financial crisis all over the world. Students’ as also workers give great relief to their families in terms of being able to find means to support their studies. In ordering term papers, students can save time and effort in making it themselves. After ordering, the student will just wait for the order to arrive. The trade in of costs of payment to sites where they order and the cost of students’ potential income as working is beneficial to the students. This statement will be further discussed below.Let us try to examine a baby- sitting job. A baby sitter earns $7 an hour. A student will spend time writing a 5- page paper for 10 hours including research of the topic. Ten hours is already a significant amount of time. A paper assistance business will probably charge their clients at an average of $8 per page. A 5-page paper will then cost $40. The income of an 8 hour work by a baby sitter is $ 56. In this situation, the benefit that a working student will get from ordering a term paper is $16 in quantity. $16 then is of big help in support for his daily needs.In the situation above, not only the student benefits from the income he gets but also it lightens the load of his parents in supporting his studies. This is a manifestation of a good son or daughter to his parents. The opportunity from saving time gives a student the means to continue his education and achieve his goal of graduating. The student will benefit financially from ordering a term paper and the financial benefit will be vital for his education and his life in general. An academically poor student does not necessarily mean a poor employee in the future.Many employees achieved the top in a certain company or organization without a very good college grades record to show. They just achieved their success by working hard and never ceasing the determination to succeed. Achieving success in working careers does not reside in having high grades in college but in the determination of the person to be on top of the company or organization, to be successful. Determination is the biggest element of success. To say that a student who is poor in academic performance will become poor in his performance as an employee is a fallacy.Many teacher s are caught up with looking at the academic performance of their students instead of looking at the attitude of perseverance and determination. Ordering a term paper will help poor academic performers have good grades. Having good grades will make them graduate and will give them an opportunity to be employed. Being an employee does not mean writing term papers again. Let’s try to look at one example. A teacher in philosophy advised his students to make a term paper regarding Plato’s definition of love.In an employee’s life, there can be no way that he can ever put Plato’s love in the context of the organization he is working and to the nature of his job. What is needed for an employee is not how wide is his understanding on Plato’s philosophy but on his performance in the nature of his job or career. Only if a student will become a teacher himself that he needs that kind of knowledge to be applied. Most people are caught up with grades as the bas is for judging the capacity of a person. Ordering terms papers which has the high possibility of having good grades will then be a way of a student to have good grades.Having good grades will produce a big possibility of good employment. A good employment status is what most or perhaps all people aim in life. Therefore, ordering term papers can help the students to get high grades and have a good employment in the future. There is nothing wrong ordering term papers. In the discussion above, ordering term papers only becomes an avenue for a lot of good opportunities and benefits. The act of ordering is a great means in achieving the dream of most people to graduate in college.The end in this situation is of good side. These businesses are means in making people achieve their dreams. This act is so vital in people’s lives that it must not be condemned and looked upon as unethical and immoral, rather, this kind of act must be looked upon as essential to many people’s live s. In helping people achieve their dreams, another good thing will be given birth. The family of the students will benefit from the success of their sons and daughters. Finding a good job for the students would mean earning a significant amount of money.Earning a significant amount of money would then give an employee a capacity of not only supporting himself but also in giving help to his parents. This is the aspect of life that people must look upon, the aspect of life that entails responsibility of a son to his parents, an aspect of life that is essential. Another good situation that will arise by benefiting from ordered term papers is the situation of giving the next generations a good life. Every student that became an employee will have his own family in the future. In having his own family in the future, he will surely raise children.These children need a good life for them to grow in a good environment. The ability of the children’s parents to give them a good life co mes from good employment. Good employment comes from good grades in college and good grades in college come from ordered term papers. The discussed reasons above are the one’s giving grounds to the claim that there’s nothing wrong in ordering term papers. The basis for my arguments is J. S. Mills’ â€Å"Utilitarianism†. His philosophy states that â€Å"the end justifies the means†. It is very true that ordered term papers will give birth to a lot of good effects.As long as the end benefits a lot of people and as long as it gives happiness to a greater number of people, the means are ethical. CONCLUSION Therefore, ordering term papers are only means to a desired end that will benefit a greater number of people, thus, making it a right thing to do. This is due to the fact that ordered term papers will give students a chance to get good grades. Having good grades will then produce a good employment opportunity for them. Being employed in a good earnin g job, they will be able to help their parents and give their future children a better environment to grow.BIBLIOGRAPHYFerrari, Joseph R. Impostor tendencies and academic dishonesty: Do they cheat their way to success?. Social Behavior and Personality An International Journal, 2005. Underwood, John, and Szabo, Attila. Academic offences and E-learning: individual propensities in cheating. British Journal of Educational Technology, 2003. Ethical Issues involving On-line Paper Services. 15 Dec. 2006

Carol Armstrongs Birth of Photography Essay

Carol Armstrongs Birth of Photography Essay Free Online Research Papers Carol Armstrongs Birth of Photography Essay When reading Carol Armstrong’s article, one is hard pressed to decide what the point of her analysis is. Is it really just perpetuating the reductive, gendered ideas of Cameron’s time, or is it trying to interrogate them? The heavy handed, fairly tenuous nature of her arguments becomes evident even at the beginning of the article, where Cameron’s Cupid’s Pencil of Light is deemed ‘feminine’, because the pencil that cupid is holding is too thin to be phallic, unlike the thick, ‘masculine’ paintbrush of Rejlander’s Infant Photography. If the article is read as the internalisation of the patriarchal, restrictive codes of the day, and how they manifested in Cameron’s work, ie, a psychoanalytical reading of her photos as a reflection of her unconscious, then it becomes more cohesive, but then it is little more than an exercise in applied Freudian psychology and has little merit if the critical tool is not criticised itself as being a product of its times. Being left as it is, it seems a reiteration of the sexist, reductionist ideas of the time, rather than a deconstruction of them. Research Papers on Carol Armstrong's Birth of Photography EssayThe Relationship Between Delinquency and Drug UseEffects of Television Violence on ChildrenThree Concepts of PsychodynamicTrailblazing by Eric AndersonPersonal Experience with Teen PregnancyHarry Potter and the Deathly Hallows EssayNever Been Kicked Out of a Place This NiceAnalysis Of A Cosmetics AdvertisementMind TravelBook Review on The Autobiography of Malcolm X

Chapter 4 of Lord of The Flies essays

Chapter 4 of Lord of The Flies essays Lord of the Flies: Chapter 4 - Explore how Golding suggests the increasing movement towards Savagery. The Lord of the Flies by William Golding is an exciting and relevant The Lord of the Flies by William Golding is an exciting and tense book written in the aftermath of the Second World War and in the dawn of the Cold war. Golding wrote this book in an idyllic setting for him. An aeroplane full of school children crash lands on a remote tropical Island. In this setting, Golding explores the downward spiral of civilisation towards a more savage side to the children when they suddenly find that they have no rules to protect them from themselves. Over the course of the first chapter, the children come to choose a leader. There are two real candidates on the Island, The more sensible choice of the two would be Ralph, a fair- headed boy, who is in a good physical condition, and has his priorities straight. He knows exactly what to do, we can tell this by the number of comments he makes, like: Seems to me we ought to have a chief to decide things. And We ought to draw a map. And also If a ship comes near the island they may not notice us. So we must make smoke on top of the mountain. We must make a fire. The best thing about Ralph is that he clings onto the remains of civilisation. The other candidate is Jack, a ruthless bully who torments anyone in his path. He adores hunting for pigs and gets obsessed by the darkness that draws him into the forest to hunt in the first place. Unlike Ralph, his priorities are not straight. We can see this from comments like: Shut up, Fatty. And I cut the pigs throat. Clearly, Simon would not be a good leader. The language in the book is used cleverly. You can tell when Golding wants to picture a dark and nasty scene just by the language he uses. You can also survey the d ...

In the communist manifesto karl marx states capital is... not a Essay

In the communist manifesto karl marx states capital is... not a personal, but a social power. Discuss what marx means by this - Essay Example In the book â€Å"The Communist Manifesto†, Karl Marx has shown the victory of the disciples of proletarian in the communist society. In the ancient period, all the powers of the old Europe were attracted towards the holy union in order to exercise the communism. The holy union was among the spies of German police and French radicals, Pope and Tsar and the Guizot and Metternich. During this period, it was highly realized by the Europeans that the communists must openly face the entire world and meet the study of communism with the policy of the party itself. Karl Marx had also stated that the capital is not a personal but a social power. A lucid explanation of this statement would be further discussed in the essay on the basis of the bourgeois, proletarians and the communists. Discussion on the Statement i.e. "Capital is... Not a Personal, But a Social Power" and Marx’s Use of the Word â€Å"Parasite† It has been a trend that the simple words ‘oppressorâ₠¬â„¢ and ‘oppressed’ have marked several histories of open fights, which ended with a revolution among the different classes of people in the society or destruction of a particular class of people. Likewise, the revolutionary action among the bourgeois and proletarians resulted in the abolition of the capitalists’ society and introduced communism in the society. Bourgeois and proletarians are the two major dimensions of the communists’ society in the ancient times. Bourgeois were the modern capitalists acting as the owner of the production activities and the employer of the labors. On the other hand, proletarians were the group of laborers who did not have their own modes of production and were compelled to sell their labor power to the bourgeois. At that period of time, bourgeois were holding the supreme power in the society as they were the middle class owners of the production activities and the labors. The labors were the proletarians who had no power in the society rather they were treated as the private labor of the bourgeois. The proletarians were compelled to sell their labors to the bourgeois in order to earn their living. The proletarians were suppressed by the bourgeois as they had no rights of property and self-esteem in that society. Nonetheless, it was frequently observed that the communists had represented the interests of the proletarians as a whole in the movement during their fight for the property and rights1. The communists had never opposed the other working class entities of the society. They always formed similar party to that of the working class. They served the similar aims of the party as the proletariat does. The distinction between the communists and the other working parties arrive on the basis of two of the grounds. The first base is that the communists had brought the common interest of the proletarians in light during their national fight in various countries. The other is that the communists were sig nifying the interests of all the parties in the movement as a whole during the stages of development of the proletarian society. These two characteristics of the communists not only made them different from the other working class parties in the world but they had also made them the most advanced party in the entire world. The communists had the similar aim to that of the proletarians. The aims of both these parties were end of the bourgeois superiority, development of proletariat into a class and invasion of the political

Satellite Centers Essay Example | Topics and Well Written Essays - 750 words

Satellite Centers - Essay Example The initial paragraph of the agreement states, â€Å"This Satellite Center will be responsible for establishing a knowledge of and capacity for initiating and supporting accelerated schools for at-risk students in its local school district and to spread this capacity to schools in districts in surrounding areas. The Stanford staff will work with the Satellite Centers to build this capacity and all activities will be geared to that end† (Satellite Center Agreement, 1990). The Satellite Center approaches to Accelerated Schools for a number of reasons. Prominent among these was the desire to get leverage by establishing local capacity and advocacy that would be far more effective with school systems in a specific locality than would be a program operating out of a single national site, We also wanted to try to provide the conditions and incentives for teacher and administrator training programs to transform their activities in conjunction with the hands-on transformation of the schools they would be working with. The Satellite Center Project has a number of objectives (Satellite Center Agreement, 1990) which may be grouped together into three major goals. The first goal of the project is for the Satellite Centers to become the focus for Accelerated Schools training, evaluation and facilitation in their geographic area. They win serve as a vehicle for implementation for many different educational entities desiring to participate in the Accelerated Schools Project. They are expected to provide a forum for the promotion and understanding of accelerated schools through the sponsorship of and participation in conferences and the production of and contribution to publications. Accordingly, Satellite Centers are also expected to revise their teacher education programs to include the Accelerated Schools principles and processes in the curriculum in meaningful ways and to place student observers,

Ancient Civilizations Governance Essay Example | Topics and Well Written Essays - 1000 words

Ancient Civilizations Governance - Essay Example The period of the Pharaohs started when the Lower and Upper Egypt were unified under the same state. Same us Mesopotamia the Nile was the only source of livelihood in Egypt as were Tigris and Euphrates. There were royal governors appointed to national administrative centers by the pharaoh who were worshiped as the god. During this period of the fourth dynasty it was strong than ever and it's when the pyramids were built to bury the pharaohs (Clare, 1906). They had a centralized form of government to organize the vast kingdom and hold on together, where they used slave labor from around Egypt. They are also known to be the cradle of civilization as their counterparts in Mesopotamia, who also had specialist in writing, stone cutters for pyramid construction as well as mathematicians and painters. The kingdom came to for fall during the fifth dynasty when civil wars arose and the regional governors revolted against the royal family which undermined the unity of the government (Alcock, 2001). Ancient Hebrews of Israel and Judah Israelites are traced in the book of genesis, with Abraham, Isaac and Jacob as their leaders in the beginning, where Abraham lived a nomadic lifestyle and bore the royal family of Israel that was later led by his son Isaac and his grandson Jacob. The history of Israelites and Judah is mostly found in the Bible conceptualization in the Old Testament, dedicated to the Bronze Age. After living in the desert, they conquered cities in Canaan such as Jericho, Hazor and Ai. The structures of Israelites were conforming to those of Canaanites states in their monarchial government, religion, economy and social structures, where they improved on these structures to establish a strong kingdom (Collingwood, 1946). The Israelite Kingdom... Ancient Civilizations Governance The habitants of Mesopotamia had a polytheistic religion, with same belief that the world was surrounded everywhere by water and it was a flat disc. As a region they had the same beliefs on the universe but they differed from one city state to another, where they refer to different gods and goddesses. The city states of the Sumerian people thrived independently of each other, where the larger cities would try and conquer the whole region to unify it under the latter's rule, where this was met with great resistance breaking down the empire most of the times (Clare, 1906). The Mesopotamian's believed that the authority of their rulers ( kings and queens) were anointed by their Gods, giving them total control over the populace as it was legitimized by the religion of the land. Other rulers were believed to be as gods being more than two-thirds gods and lesser human. The empire was divided into the city states which were known as provinces and were headed by a governor who made sure that people paid their taxes, gathered soldiers for war, supplied workers for building temples and was entirely in responsible for law enforcement in his state. Some of the early city states were Samaria, Damascus, and Nineveh and later there was Babylon which expanded much during the times of Hammurabi's rule. Growth and prosperity in this period was stagnant as a series of plagues and famines had reduced the populace almost by half leading to peasant revolts and social unrest. This also threatened the Catholic Church’s unity.

Comparing poems Essay Example for Free

Comparing poems Essay In this essay I am going to compare the way the theme of racism is dealt with in the poems Half caste and nothings changed. I will analyse the poems and then compare them. The things I will be comparing are the similarities and differences, the layout and also the use of language. I will be looking at both of the authors Tatamkhula Africa (Nothings Changed) and John Agard (Half caste) intentions and then decide which one of the poems I think is most effective. I am going to begin with a comparison of the purposes of the two poems. Nothings changed is about a black man looking back at his childhood and realising that nothings changed, he is upset about this as although segregation is said to have gone, he feels as if it is the same as before. Half-caste is about a mixed race man who is asking for an explanation for why they are treated like half a person. He refuses to be called half-caste as he finds it offensive. In both of these poems, the writer is dealing with the issues of racism. The two writers are expressing their anger and want the readers to take notice of how they feel. The two writers both use repetition throughout the poem. Tatamkhula used the phrase nothings changed as both the title and the ending of the poem, this emphasises the fact that his whole poem is based on the fact that he feels that nothing has changed in his life, mainly on the aspect of the way black people are treated. John repeats explain yuslef a number of times throughout the poem, he says this because his main aim of the poem is for people to explain themselves. These both are examples of repetition used by the writers to emphasise on their point that they want to get out by writing their poem. The two writers have a completely different style of writing. In nothings changed the writer uses standard use of English as he is happy to write this way. On the other hand the writer of half caste writes the words in slang. Clearly he wants to show the reader that he is what he is and is not going to change for anyone.  Tatamkhula compares a black person like himself to an amiable weed, he is doing this as he feels that both black people and amiable weeds are not cared for. Also he believes they are not wanted. He then later compares a white person to the opposite, a red rose, this maybe because he thinks that a lot of care is taken into caring for a red rose and also the white people. Here Tatamkhula expresses himself through metaphors and he does so continuously throughout the poem. Johns use of language happens to be really strong. He shows straight away that he is extremely angry. An example of this is that he said could have said you can come back tomorrow and listen my other half of my story if you want, however instead he demands the reader yu must come back tomorrow. The must emphasises that the writer is serious.  Both of these writers use different type of writing to express the way they feel. Tatamkhula effectively uses metaphors to compare what he feels like and what other people are being treated as. Johns strong use of language makes his poem more effective as he is showing exactly how he feels in the first instant. Both writers intentions are similar. They both want the reader to think about and understand what they are going through. They want these problems of racism to stop. Tatamkhula writes about what he sees and feels. An example of this is when writes I press my nose to the dear panes. Here he is on the other side of the glass from were the white people are sitting. This shows that he is separated from the people. He expresses that although segregation has said to be gone, it is still there. He can see the white people through the glass, however the glass is like a border where he can not pass only because of his colour. John Agard throughout the poem is writing as if he is speaking to the reader. It seems as if he is having a conversation with the reader, excuse me, I believe that this makes it more interesting, and also encourages the reader to take it more seriously.  He often uses the term half-caste to outsmart people who use this term. Although he uses slang he shows that he is aware of the things going an around the world. He says yu mean when Picasso mix red an green is a half-caste canvas. This is an example of him having good knowledge and yet outsmarting the term half-caste. Here he is arguing that if Picassos paintings can be a mixture of red and green, why cant he be a mixture of races without being treated as half of a person. Tatamkhula explains how they are treated differently with the example of their food. At the whites only inn there is crushed ice, linen falls these both show expense and luxury items. He then compares this with what he is used to which is bunny chows and plastic table tops This clearly shows that this is not an expensive place, yet more shows it is a cheap place. He then adds further Wipe your fingers on your jeans this shows that he is used to doing this, and yet is proud of doing it. He is not ashamed to express the way he is living and feeling. Both writers express their anger continuously through out the poem. They obviously want things to change, and want to be treated equally as everyone else. They express there feelings in form of a poem which they want people to take notice of, and maybe if they are the ones who are causing or doing something to make them feel like this, they would want them to stop instantly.  In my opinion I strongly believe that Nothings changed is far more effective. I think this because it expresses more how he feels and what he is going through. Although Half-Caste also expresses the writers feelings it is not as effective. This may be because Tatumkhula uses many examples of what he feels like and how he is treated differently.

World Today :: essays papers

World Today The world today, more than ever, is a steadly shrinking planet, as new technology allows us to cross boundaries and attempt feats that were once only dreams of science fiction novelists. Yet, even as progress roots out old ways of life, and new technology makes obsolete time honored traditions, we never lose sight of the rich cultures to which our earth is home. Even today, the world is still a colorful and vibrant place, filled with a myriad of exotic cultures, each with its own unique and enthralling history and traditions. It is this increasing charm and fascination with the ancient that invariably draws the curiosity of outsiders. This fact has even permeated itself throughout my life. No matter where I go and wherever I end up, there is always some measure of curiosity concerning the other hemisphere of the world. Before and especially following any significant trip, I repeatedly face the same line of inquiry, â€Å"What is the Middle East like?†. To this question I have often respond with a casual and simple answer, â€Å"It’s okay†. Upon my return from the Middle East this past summer however, I began to feel this response horriblyinsufficient, and I decided to contemplate a more meaningful answer. I quickly came across amental block as I started thinking to myself, how could I ever possibly convey the sights, the sounds and the feelings of this region, so vibrant and culturally rich, to anyone who has not had the fortune to see it for themselves? Despite these difficulties, I began to draft my thoughts. In an attempt to bring in perspective the rich and inspiring heritage of the region, I progressively began to picture my most recent vacation to Arabia, and letting my memories take charge, I began describing to the best of my ability t he highlights of my trip. Dawn crept up sluggishly the day I arrived in Saudi Arabia after my twenty-eight hour flight. After fighting, unsuccessfuly, for a few hours of some much needed sleep, I was just about to drift into doze off when the nearby mu’athin announced the dawn prayer, calling all faithful Muslims to their morning religious duty. Trying to turn over and sleep after an exhausting trip, I found my efforts compromised by the piercing bright desert sun that now edged over the horizon. Rousing myself from bed, I readied myself for the coming day, planing and imagining what each successive day would bring. Reintroducing myself to familiar sights, I noticed the same young boys from so

Beanstalk: The Real Story

Last October 3, 10 and 12, 2012 it was a hot afternoon when we watch a movie entitled Jack and the Beanstalk: The Real Story, this movie was related to our last topic in management 5. Instead of having a formal meeting in our subject in Social Responsibility and Good Governance, we need to watch because after that we need to have a reaction paper regarding the movie. In the beginning, the story makes me feel bored of watching and listening because the audio and the cast of the movie speak very fast and I don’t understand what they saying.And another reason is somebody caught my attention or maybe I’m not used to watch a movie at noon. However, the last day of the movie story, I had the opportunity to listen carefully to the thoughts and moral lessons of the movie I realized it was interesting. Jack and the Beanstalk: The Real Story is just one of the many versions, where the setting, time and place may be different, but they have one similar scope and ending. In this ca se, the giant dying, and Jack running away with the giant’s riches.It was directed by Brian Henson, the cast includes Matthew Modine as the modern day inheritor of Jack, Mia Sara as a mysterious woman attempting to bring him to justice for the murder of a giant, Jon Voight as the descendant's greedy manager and Vanessa Redgrave an elderly relative of the inheritor etc. The story begins in a wealthy businessman Jack Robinson with no time for anything but to work. His building a new casino on the site of the family castle in England. During the construction, the workers discover the skeleton of a giant.A mysterious young woman called Ondine appears and accuses Jack of being â€Å"a thief and a murderer†. The man goes to the old Jack’s house and sees an old woman whom Jack recognizes as a great-aunt who he believed was dead. The old woman tells him the traditional version of the â€Å"Jack and the Beanstalk† in which the giant is portrayed as a selfish. Beca use of the doubt, Jack decides to go to another world where all is revealed to him along with the story of his ancestor, the original Jack and the Beanstalk. All the people in the magical world believe that he is the one who steal the goose and harp they want Jack to die.In order to save his own life, Jack must right the wrongs of the past and return the magical harp and goose that lays the golden eggs to their rightful home. With the return of the Goose and Harp, the Giants' world is restored. After returning to his world, Jack saves the company's reputation and he decides to support the project of genetically-engineered plants that he previously rejected. At the end, Ondine returns to Jack, where she is allowed to spend one Giant week (seven years in our world) with him and they lived happily ever after.The story has been changed from the traditional Jack and the Beanstalk. The giant has been transformed into a good giant, and Jack has been transformed into thief. I think this is the best part of this new version when Jack returned what his ancestors have stolen from the giant; he not only restored a world’s riches. He also earned for himself a new meaning of life. Jack Robinson corrected his ancestor’s faults after how many years. In our case as people, if we want our future to be better, we must right the wrong of the past.Question, are you ready to face the truth and the consequences of your past actions and decisions? Of course, it takes time to even accept the truth but with acceptance comes joy and peace and with the two, comes the right decisions and actions. Yes, it takes time, but it will be worth it for sure. And lastly the movie or let say the beanstalk is trying to tell us that to reap life’s riches, we need to grow up, climb and do the work. Life is full of harmonious and fateful encounters. Dream it and embrace possibilities!

Historical linguistics Essay

Linguistics is the scientific study of human language.[1][2][3][4][5] Linguistics can be broadly broken into three categories or subfields of study: language form, language meaning, and language in context. The earliest known activities in descriptive linguistics have been attributed toPÄ Ã¡ ¹â€¡ini around 500 BCE, with his analysis of Sanskrit in Ashtadhyayi.[6] One subfield of linguistics is the study of language structure, or grammar. This focuses on the system of rules followed by the users of a language. It includes the study of morphology (the formation and composition of words), syntax (the formation and composition of phrases and sentences from these words), and phonology (sound systems). Phonetics is a related branch of linguistics concerned with the actual properties of speech sounds and nonspeech sounds, and how they are produced and perceived. The study of language meaning is concerned with how languages employ logical structures and real-world references to convey, process, and assign meaning, as well as to manage and resolve ambiguity. This category includes the study of semantics (how meaning is inferred from words and concepts) and pragmatics (how meaning is inferred from context). Linguistics also looks at the broader context in which language is influenced by social, cultural, historical and political factors. This includes the study of evolutionary linguistics, which investigates into questions related to the origins and growth of languages; historical linguistics, which explores language change; sociolinguistics, which looks at the relation between linguistic variation and social structures;psycholinguistics, which explores the representation and function of language in the mind; neurolinguistics, which looks at language processing in the brain; language acquisition, on how children or adults acquire language; and discourse analysis, which involves the structure of texts and conversations. Although linguistics is the scientific study of language, a number of other intellectual disciplines are relevant to language and intersect with it.Semiotics, for example, is the general study of signs and symbols both within language and without. Literary theorists study the use of language in literature. Linguistics additionally draws on and informs work from such diverse fields as acoustics, anthropology, biology,computer science, human anatomy, informatics, neuroscience, philosophy, psychology, sociology, and speech-language pathology. Prev Page