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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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Thomas Davenport invented the electric motor, an invention that is used in most electrical appliances today.
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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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Charles Brush invented the “open coil” dynamo (or generator) that could produce a study current of electricity.
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Joseph Swan, and Englishman, invented the first incandescent lightbulb (also called an “electric lamp”).
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The electric streetcar was invented by E.W. v. Siemens.
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Electric air conditioning – W. Carrier.
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Shippingport Reactor in Pennsylvania was the first nuclear power plant to provide electricity to customers in the U.S.
