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 ...

In brief: A team of physicists believe it may be possible to harvest electricity using Earth's rotation through its own magnetic field, and they've published a paper involving a test that appears to ...

Neodymium and dysprosium, for example, allow the fabrication of almost permanent, super-strong magnets that require little ...