She took a giant magnet to one of the most hidden spots near a railroad bridge. Beneath the water, she discovered old items that had been forgotten for decades. Every pull revealed something more ...

An inductor is just a coil of wire, but it plays a key role in controlling how electricity behaves. In this video, you’ll learn how inductors resist changes in current, store energy in magnetic fields ...

Companies like Phoenix Tailings, which recently began producing metal in New Hampshire, are using new processing methods to ...

As Beijing's new licensing rules on samarium and related materials restrict exports of these heat-resistant magnets, America's ability to produce precision-guided munitions has come under pressure.