Discover how to build a magnetic repulsion motor capable of lighting LED bulbs using only magnets and basic components. This ...

Discover how to build a simple homopolar motor using everyday household items in this easy-to-follow tutorial. Learn the fundamentals of electromagnetism and magnetic polarity by assembling motors ...

Did you know GM invented the domestic, affordable permanent magnet? Before this neodymium-iron-boron magnet came along in 1984, electric motors, generators, audio speakers, hard-disk drives, and the ...

Linear motors are becoming increasingly practical for general motion. Many are used for long strokes of a few feet or more. One new design, however, where the magnets move relative to a stationary ...