Person in critical condition after being shot in incident involving Border Patrol in Arizona US lake discovery reveals secrets of ancient civilization Trump triggers flight from US dollar Bill ...

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 ...

While electric vehicles certainly offer a host of eco-friendly advantages, they're not without some asterisks, one being the rare earth materials (and harmful mining thereof) used to make the magnets ...