It’s possible to defy gravity using sound waves, magnets or electricity, but today’s methods can’t hoist heavy items high in ...

In this fascinating tutorial, learn step-by-step how to make a small AC generator using magnet energy. Discover the fundamental principles of magnetic energy and electricity generation to achieve ...

Kitchen folklore has long warned that sticking magnets on a refrigerator door will make the appliance work harder and waste electricity, but engineers say that story belongs with other outdated energy ...