The Spirit of Electricity
Introduction
Electricity is a form of energy, a phenomenon that is a result of the existence of electrical charge. The understanding of electricity has led to the invention of motors, generators, telephones, radio and television, X-ray devices, computers and nuclear energy systems. Electricity is a necessity to modern civilization.
From Day One
Legend has it that the word magnet comes from Magnesia a type of rock found in Asia Minor. These rocks were natural and formed from an iron ore now known as Magnetite. The rocks were believed to have great powers, which ranged from curing many ailments to attracting lovers.
Around 376 B.C. Haung Ti a Chinese general had his attention drawn to the fact that a piece of Magnetite, when suspended from a thread, would align itself with the direction of the Earth\'s North and South. He quickly employed this knowledge with his soldiers to help them find their way over the long distances they travelled. The......
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Approximate Word Count: 2336
Approximate Pages: 9 (260 words per double-spaced page) |