Most Hackaday readers are no doubt familiar with the Faraday cage, at least in name, and nearly everyone owns one: if you’ve ever stood watching a bag of popcorn slowly revolve inside of a ...

However, a compass does work inside a Faraday cage because the cage does not block the earth's magnetic field. Constructed of a metal mesh, current is conducted on the cage itself. It was invented ...

A radio is able to receive signals and make sound when outside a Faraday cage. The cage blocks the signals when placed over the radio, silencing it. The cage gaps are on the order of centimetres, but ...