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 ...

An electric charge (like a proton) creates an electric field in the region around it. This field points away from positive charges and decreases in strength as it gets farther away from the charge.

At the Boston Museum of Science, audiences gather around the Van de Graaff generator to watch as two million volts crackle between twin metal spheres while the operator, who stands nearby inside a ...

A landlord in Sussex has built a "Faraday cage" around his bar to block mobile phone signals, in an attempt to encourage face-to-face conversation. Steve Tyler put silver foil in the walls and copper ...