Many people have been wondering what a Faraday cage is and why they are important for emergency preparedness. A Faraday cage is a sealed enclosure that conducts electricity to the outer layer. Some ...

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.

A shielded enclosure used to block electromagnetic fields from reaching its interior. However, a compass does work inside a Faraday cage because the cage does not block the earth's magnetic field.

Electronics in the Life Sciences. By Stephen Young — When I visited Stephen Young in his laboratory in Edinburgh a few years ago, I was first struck by the size of his Faraday cage, and then, on ...