For example, if you want to make a fruit-shaped magnet like a blueberry, it could be helpful to get one out of your fridge ...
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 ...
After Beijing exerted its power over the valuable magnets as leverage, other countries started to add production, but only incrementally. And China is far ahead. After Beijing exerted its power over ...