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First electric battery invented by Alessandro Volta. The “volt” is named in his honor.
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The first electric motor was invented by Michael Faraday.
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Georg Ohm defined the relationship between power, voltage, current and resistance in “Ohms Law.”
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Joseph Henry invented the electrical relay, used to send electrical currents long distances.
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Sir William Robert Grove developed the first fuel cell, a device that produces electrical energy by combining hydrogen and oxygen.
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Samuel Morse invented the electric telegraph, a machine that could send messages long distances across wire.
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The electric streetcar was invented by E.W. v. Siemens
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Thomas Edison opened th Pearl Street Power Station in New York City.
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Electric air conditioning – W. Carrier.
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Photoelectric cells were discovered.