and it may soon be possible to build permanent magnets as strong as neodymium magnets, but without any rare earth metals. In fact, the only thing needed to make them is iron and nitrogen ...

An curved arrow pointing right. TechRax crushed a $10,000 18-karat yellow gold Apple Watch Edition with 2 powerful neodymium magnets equaling 650 pounds of force. Video courtesy of TechRax Follow ...

Magnet Expert Ltd recorded the experiment using a selection of strong neodymium magnets which can be bought on their website. Produced by Leon Siciliano More from Science This liquid rocket fuel ...

(Other estimates put China’s share of the neodymium magnet market as high as 90 percent.) But look at the figures from a different angle ... “Getting the timing right on any expansion is ...