In electricity generation, a generator is a device that converts motive power (mechanical energy) into electrical power for use in an external circuit. Sources of mechanical energy include steam turbines, gas turbines, water turbines, internal combustion engines, wind turbines and even hand cranks. The first electromagnetic generator, the Faraday disk, was invented in 1831 by British scientist Michael Faraday. Generators provide nearly all of the power for electric power grids.
invented by Robert Stirling
A Stirling engine is a heat engine that is operated by the cyclic compression…
invented by Léon Bouly
Cinematograph or Kinematograph is an early term for several types of motion…
invented by William Sturgeon
An electromagnet is a type of magnet in which the magnetic field is produced by…
invented by Gustave Trouve
A metal detector is an instrument that detects the presence of metal nearby.…
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