Experiments suggest an unusual magnetic material could help harness energy from Earth’s rotation. But not everyone is ...

But, there may be another way, albeit a rather special case, where a magnet can not only be levitated, but locked in place using a rotating magnetic field. The video shows a demonstration of how ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access information on a device and to provide personalised ads and content, ad and ...

Slip rings maintain constant contact with the same sides of the coil As one side of the coil moves up through the magnetic field, a potential difference is induced (created) in one direction.

It shows four different positions of the coil of the generator, and the corresponding induced current. A - The coil is at 0°. The coil is moving parallel to the direction of the magnetic field ...