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when ben Franklin discovered that static electricity and lightnening are the same thing
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Alessandro Volta created the first battery, Consisted of two electrodes, one made of zinc and the other copper.
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when Thomas Davenport invented the electric motor, it is used in most electrical appliances today
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when Sir William Robert Grove established the first fuel cell, a device that produces electrical energy with hydrogen and oxygen.
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when Samuel Morse invented the electric telegraph, its a machine that can send messages long distances across wire.
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when Thomas Edison invented the incandescent light bulb that could be used for about 40 hours without burning out. In 1880 his bulbs could be used for 1200 hours.
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Henry Becquerel observed the production of electricity directly from the sun while also experimenting with an electrolytic cell made up of two metal electrodes placed in an electricity-conducting solution.
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when Piero Ginori Conti invented the first geothermal electric power plant.
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Albert Einstein established the lasers for absorbtion and emmision of electromagnetic radiation.
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when photoelectic cells were discovered
