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 Louis Pasteur
Pasteurization or pasteurisation is a process in which packaged and…
invented by Nicéphore Niépce
Nicéphore Niépce invents Heliography, the first photographic process.
invented by John J. Loud
A ballpoint pen, also known as a biro (British English), ball pen (Philippine…
invented by William Sturgeon
An electromagnet is a type of magnet in which the magnetic field is produced by…
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Inventions that changed the world