doi:10.1038/nature07378 L ETTERS Correlation between nanosecond X-ray flashes and stick–slip friction in peeling tape Carlos G. Camara1*‚ Juan V. Escobar1*‚ Jonathan R. Hird1 & Seth J. Putterman1 Relative motion between two contacting surfaces can produce visible light‚ called triboluminescence1. This concentration of diffuse mechanical energy into electromagnetic radiation has previously been observed to extend even to X-ray energies2. Here we report that peeling common adhesive tape in
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Aggregate Supply and Demand Francis F Perkins ECO/372 April 10‚ 2013 Ed Mendicino Aggregate Supply and Demand Aggregate demand is the total demand for goods and services in the economy at any given time and price level. It is the quantity of goods and services in the economy are now and in the future purchased at possible price levels. This is the demand for gross domestic products (GDP) of a nation when supply levels are fixed. The aggregate demand is a downward slope on a model because
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backscatter X-ray is the right choice when compared to traditional X-rays or metal detectors. On December 27‚ 2006‚ the author‚ Thomas Frank‚whom is the aviation security correspondant for USA Today‚ wrote‚ "X-ray Tests Both Security‚ Privacy‚" and made valid points concerning the fear of radiation‚ how easily it finds metal guns and knives‚ and the provacy issue that surrounds X-ray technology (5). Throughout this essay Thomas Frank was able to write about the facts surrounding X-rays and keep
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He agreed that slavery was wrong. However‚ he believed that it was wrong for many different reasons. Malcolm X disregarded the economical view on slavery. In fact‚ he has never mentioned any negativity of profitability for the slave owners. He asserts that the slave owners exploited the blacks. Malcolm X explains how blacks’ history was totally destroyed by slavery; the slave owners stripped them of their last name‚ religion‚ culture‚ etc. He looked at slavery
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I clicked on the small‚ conveniently placed "X" in the corner of the window‚ I saw them. The words "rare genetic disease" and Fragile X were strewn all over the porthole‚ which lead into a dreamland of information. A click away and I was on my way into Ms. Frizzle of the Magic School Bus’s classroom‚ just waiting to be educated. (Of course‚ there are no Magic School Bus books written about Fragile X‚ my newfound rare genetic disease friend.) Fragile X syndrome affects one in four thousand males
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Supply & Demand Analysis 2 Abstract The advertising industry goes through many peaks and valleys depending on the economic stability of the country and the confidence of consumers. The effectiveness of advertising within any given industry solely relies on the demand of the people for certain products. Corporations supply many forms of advertising in order to meet the demands of consumers including print‚ television and billboards. Many factors affect supply and demand of in-theater advertising
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strong activists. One in particular that holds a special background goes by the name of Malcolm X. He was an African American leader and figure of the Nation of Islam. Malcolm X’s birth name was Malcolm Little and he was born in Omaha‚ Nebraska in 1925 (Malcolm X.). During the time of Malcolm’s activism‚ America was chaotic. Other anti-war protests were occurring alongside the civil rights movements. Malcolm X stands out during this time because of his indefatigable efforts to make a change in the United
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Executive Summary: Mark X Company is the maker of farm and specialty trailers. The company has fallen on difficult times and wants their bank‚ Wells Fargo‚ to extend a loan for working capital and an expansion of their current facilities. Mark X feels this will help the company increase sales and therefore improve their financial situation. Wells Fargo is leery of extending any additional funds to Mark X based on their current financial situation and their most recent liquidity and debt ratios
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Generation X and Millennium Generation Travel through time is one of the most enigmatic‚ imaginative‚ and scientifically daring concepts that had occupied the minds of many people centuries ago and will continue into the future. Nonetheless‚ not employing any time-machine contraptions‚ modern archeologists and paleontologists are traveling back in time more than anybody else. They examine the rich iridium layer in Wyoming’s clay deposits and take exploratory tours back to early Cretaceous period
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Malcolm X Essay In the beginning of Alex Haley’s The Autobiography of Malcolm X‚ Malcolm is portrayed as a young man barely surviving on the streets of New York with no goals or direction in life. By the end of the book‚ Malcolm is well-read‚ religious‚ and a goal-oriented‚ proud black man. The reader can easily observe Malcolm’s transformation in lifestyle and attitude throughout the book. Haley starts the book with Malcolm Little before he discovers the Nation of Islam‚ and then moves the
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