These new iron-nitride magnets are stronger, cleaner to make, and made from domestic iron-salt waste and nitrogen.

These new iron-nitride magnets are stronger, cleaner to make, and made from domestic iron-salt waste and nitrogen.

The quest for the world's strongest magnet faced a surprisingly violent problem: they kept exploding. At least, that was the issue facing a group of scientists at the National High Magnetic Field ...

Because magnets are hard, they were heated to 800° C to demagnetize and soften them prior to grinding them to dust. The separated REE residue at the end of the process can be remagnetized by exposing ...

China has tightened export controls on rare earths and other materials critical for advanced tech manufacturing as trade ...