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Benjamin Franklin attached a key to a kite to during a thunderstorm to show that the similarites of lightning.
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Luigi Galvani discovered bioelectricity and showed that nerves shoot signals to muscles forming some kind of action, saying this is a form of electricity.
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Alessandro Volta created the first battery, it consisted of two electrodes, one made of zinc and the other copper.
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Thomas Davenport invented the electric motor,this is used in most electrical appliances.
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Gerald Pearson, Calvin Fuller, and Daryl Chapen were American scientists that created a solar panel with an efficiency of 6% with direct sunlight.
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John Gorrie created the first working refrigerator.
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He created the Photophone that allowed sound and conversion of a beam of lightto transmit. It was the first wireless phone.
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First hyroelectric power plant that opened in the US in Appleton, Wisconsin.
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Albert Einstein, foundation for lasers absorbtion and emmision of electromagnetic radiation.
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John D. Grant creates first geothermal power plant in the US at the Geysers, Arkansas.
