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 ...

Efforts to defend against EMP attacks are ongoing. Simple technologies, such as Faraday cages, can shield vital equipment. Additionally, strategies to disconnect transformers during surges are ...