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The Persians used windmills for pumping water and grinding grain
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Coal, a major source of energy for America, was found near Richmond, Virginia.
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Mr. Franklin proved that lightening and static electricty is the same thing using super risky experiments involving kites and keys.n
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Gas lamps in Baltimore were powered by natural gas
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Wood becomes the primary source of heating and energy for homes and businesses and used for steam in transportation.
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Oil has become the Country's second largest export after th industry was discovered by Edwin Drake.
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Thomas Edison forms an electric light company in New York and began to experiment with long-lasting lightbulbs.
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Coal was becoming the most important fuel.
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The law of relativity was written, relating energy to mass.
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Almost 1/3 of all electricty came from hydropower in the USA.
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First commercial Nuclear plant begins opperating.