A pulsing current is applied to the coil, which then induces a magnetic field shown in blue. When the magnetic field of the coil moves across metal, such as the coin in this illustration, the field induces electric currents (called eddy currents) in the coin. The eddy currents induce their own magne...
Old and rare toys and games are a particular collectors favorite, as are newer ones that are connected with popular films and TV series. The latter need to be in really good condition. 20 years ago, as a kid in his mid-teens, my cousin was buying Star Wars figures and keeping them sealed in their pa...
