3 Sept 1821 Jahr - Michael Faraday demonstrates the principle of
An electric motor, 1821, 3rd of september.
An electric motor is a device which is being
Sent electricity through a wire which
Creates a magnetic field around it, causing
The wire to rotate. At the time it had
No useful application but now because of
The invention, we have hair driers, industrial
Fans, disk drives and more.