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The first windmills were used by the persians for pumping water and grinding grain.
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Coal was discovered near Richmond, Virginia
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Benjamin Franklin discovered electricity with his experiment using kites and keys.
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First battery was introduced by Alessandro Volta.
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The electric motor was invented by Thomas Davenport. Common in almost all appliances.
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Edwin Drake was the first to drill for oil in the United States. Today oil is one of the most popular sources of energy.
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Thomas Edison invented the incandascentlight bulb.
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First wind turbine built in the US by Charles F. Brush in Cleveland, Ohio.
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The Hoover Dam was completed in Nevada. It is one of the largest sources of hydroelectricity in the world.
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William Cobb invented the first solar powered car "sunmobile".