-
Ohm's Law
Georg Ohm defined the relationship between power, voltage, current and resistance in “Ohms Law.” -
Electrical Relay
Joseph Henry invented the electrical relay, used to send electrical currents long distances. -
Electric Motor
Thomas Davenport invented the electric motor, an invention that is used in most electrical appliances today. -
Fuel Cell
Sir William Robert Grove developed the first fuel cell, a device that produces electrical energy by combining hydrogen and oxygen. -
Electric Graph
Samuel Morse invented the electric telegraph, a machine that could send messages long distances across wire. -
"Open Coil" Dynamo
Charles Brush invented the “open coil” dynamo (or generator) that could produce a study current of electricity. -
Incandescent Lightbulb
Joseph Swan, and Englishman, invented the first incandescent lightbulb (also called an “electric lamp”). -
Electric Street Car
The electric streetcar was invented by E.W. v. Siemens. -
Electric A/C
Electric air conditioning – W. Carrier. -
Nuclear Power Plant
Shippingport Reactor in Pennsylvania was the first nuclear power plant to provide electricity to customers in the U.S.