Permanent Magnets
Permanent magnets are materials that produce a persistent magnetic field. They do not require an external power source. Commonly made from alloys like neodymium or samarium-cobalt, they are widely used in various applications. These include motors, generators, and magnetic storage devices. Their unique properties make them essential in modern technology and engineering. Understanding their characteristics is crucial for advancements in these fields.
As 2025 draws to a close, rare earth elements (REEs) occupy an uneasy space where climate ambition, industrial strategy and geopolitics intersect. They are not the most voluminous...
December 26, 2025