eli5: Altermagnets – what are they and why is it useful or important?

Question

And what could altermagnetism even be useful for?

In: Physics

Answer 1

A newly identified type of magnetism.

Way to soon too tell if altermagnets would be useful or important.

Antiferromagnets were discovered in the 1930s, they’ve yet see a wide spread commercial use, though there is much potential for their use in the burgeoning field of spintronics.