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Spilled Oil Water Surface
1,830 words... m there are many types of end connectors... In addition, boom may have some or all of the following features: The most important characteristic of a boom is its oil containment or deflection capability, determined by its behavior in relation to water movement. It should be flexible to conform to wave motion yet sufficiently rigid to retain as much oil as possible. No boom is capable of containing oil against water velocities much in excess of 1 knot acting at right angles to it. The escape v...
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Solid State Lasers Back And Forth
2,014 wordsLaser is an acronym for light amplification by stimulated emission of radiation. In the last century many types of lasers have been used for many different applications from welding to surgery to military and even many uses in every day life by harnessing the principles of light and stimulated emission. To understand how lasers work we must first understand the physics behind light waves. Light is emitted from a source and travels in straight lines and when it strikes an object is either absorbe...
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The Assassination Of John Fitzgerald Kennedy
1,660 wordsThe Assassination of John Fitgerald Kennedy On November 22 nd John. F. Kenndey was shot in a presidential limousine while driving down a street in Dallas, Texas. He was shot three times and was killed by the last and most fatal wound a shot to the right side of the head. He died in a Dallas hospital after the doctors failed to save him. His alleged killer, Lee Harvey Oswald was soon after apprehended, and was also killed while in police custody by Jack Ruby. The following facts will make it obvi...
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Earths Surface Water Table
2,060 wordsAlthough 70 percentGoundwater INTRODUCTION Although 70 percent of the Earths surface is covered by water, 97 percent of it is contained in the oceans and is too salty to drink (Cunningham and Saigo, 1992). Therefor, fresh water is a precious resource that in some areas of the world is so scarce, that people will fight wars over it. About 25 percent of the worlds fresh water is groundwater. Although groundwater is not as accessible as surface water (lakes, rivers and streams), people are willing ...
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Solid State Lasers Funk And Wagnalls
1,294 wordspeople see Lasers When most people see a laser beam they are amazed by its unique physical properties. Laser light is so unique from other light because it is coherent; unlike ordinary light, which travels in all directions, laser light travels in a straight beam. The word laser is an acronym for Light Amplification by Stimulated Emission of Radiation. The history of the laser is very interesting. Lasers have changed immensely since they were first invented. Before the laser was invented, Charle...
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