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 ...

THROUGHOUT history, humans have found ways to make their lives easier. Arguably, the machine that has most eased the burden of work for humans is the electric motor – a device that transforms ...

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 ...

Never mind present-day’s bonny blather on the benefits of electric, hydrogen and biofuel power. How do you feel about magnets? Better make up your mind, stat; as of this morning, a company named ...

The electric motors that power today’s EVs rely on permanent magnets made using rare-earth metals such as neodymium. Rare earths are the 15 elements whose atomic numbers run from 57 to 71, plus ...