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Benjamin Franklin discovered lightning using only a kite and a key.
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Alessandro Volta created a battery with two electrodes. One was made of zinc and the other was made of copper.
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Gerald Pearson, Calvin Fuller, and Daryl Chapen made a solar panel with an efficiency of 6% with direct sunlight.
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John Gorrie, and American Physician, created the first refrigerator.
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The first hydroelectric power plant was built in Appleton, Wisconsin.
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At Spindleton Hill, Texas Pattilo Higgins struck oil.
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John D. Grant made the first geothermal plant at Geysers, Arkansas.
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In Lewiston, New York water is diverted from Niagra Falls and converts to energy.
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Nuclear power meltdown in Dauphin County, Pennsylvania. There were no deaths but it greatly affected public opinion against nuclear power.
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In Prince William Sound, Alaska 260,000 to 750,000 barrels of oil were spilled into the water.
