An electric current can be induced in in a coil of wire by moving a magnet in and out of the coil. AC generators are used in the generation of electricity and in their simplest form consist of a coil ...

If you continually forget to charge your backup batteries to help keep your mobile devices and wearables charged during the day whilst away from the grid. You might be interested in a new portable ...

The basic performance of a simple helical flux compression generator, driven by 200 g of high explosives, has been studied with current-voltage measurements and optical diagnostics. Emphasis has been ...