But how small is small enough ... So the math will look like: The rule of thumb for a Faraday cage is that the openings should be no larger than 1/10th of the wavelength, which in our case ...

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 ...

The inside of the Faraday cage becomes a charge free zone ... wire and a cardboard tube and then light a small bulb or LED light. Invite your pupils to create an electrical circuit and use ...