Michael Faraday invented electrical generators. While he taught a class he announced to the class, "No relationship exists between electricity and magnetism." He laid a wire across a compass, connected it to a battery, and the pointer did not move.After class a few students looked at the experiment. They moved the wire. They reconnected the battery. The needle moved.
Mr Faraday then thought if electricity through a wire can make a magnet move, perhaps it is possible to make a wire moving through a magnetic field produce electricity. He build a little device and produced a spark. He produced the first generator.
Thomas Edison hired Telsa at General Electric and they greatly improved the efficiency of Faraday's generator and made it a commercial success.
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Twitter was invented.
No presedent invented it. This guy that was "cool" invented it for it standed forOll Korrect.
they invented it in medieval times.
There were many forms of hygrometers that were invented. The first one was invented by Nicolas Cryfts in 1450, however, where it was made is not mentioned.
the king invented them to raise money for his nights to defend:)