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History of Computers Introduction: The electronic computer has now been used commercially for less than 25 years. It grew out of a search lasting centuries for a more accurate, faster way to perform calculations. Primitive and ancient man used his fingers, shells, beads, sticks, and other objects to keep track of numbers and sums. T...
The Moon is the only natural satellite of Earth. The distance from Earth is about 384,400km with a diameter of 3476km and a mass of 7.35*1022kg. Through history it has had many names: Called Luna by the Romans, Selene and Artemis by the Greeks. And of course, has been known through prehistoric times. It is the second bri...
The theory that black holes have existed is not new at all. The thought of them first started in 1783 when Rev. John Michell applied Newton's theory of gravity to predict the possibility of so-called 'dark stars.' Albert Einstein's theory of relativity predicted in 1915 'Schwartzschild singularities.' In 1967, these were renamed 'black holes...
Acid rain has long been argued by society's most formidable minds. It indirectly destroys ecosystems that surround forests and lakes (Taylor, 26). People need to make decisions dealing with the destruction of nature and the role acid rain plays in it. Acid rain destroys millions of forests and lakes (Taylor, 26 ). Studie...
The Development and Control of Chemical and Biological Warfare The year, 600 BC. Solon, the legislator of the Athenians, contaminated the River Pleisthenes with hellebores (skunk cabbage) to give the defenders of Kirrha violent diarrhea leading to their defeat. This is the first recorded use of plants as a source of chemicals for warfare....
