This article describes magnet, concentrator and magnetic shield and lists a few suppliers recommended by Allegro’s customers. There are several materials that magnets are made of including NdFeB ...

Low-frequency magnetic fields can impact electronic devices, inducing unwanted current flows in sensitive paths that can add noise, introduce errors, and otherwise disrupt carefully balanced circuits.

Next to a nuclear reactor in Germany is a four ton, ten cubic meter metal box surrounded by lasers. The box is the most magnetically-shielded room ever built: the magnetic field inside is just a tenth ...