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 Faraday cage is a protective enclosure that prevents certain types of electromagnetic radiation from entering or exiting, according to the Florida State University Magnetic Field Laboratory. First ...

Shielding is crucial for all manner of electronic devices. Whether you want to keep power supply noise out of an audio amplifier, or protect ICBMs against an electromagnetic pulse from a nuclear ...