The third type of magnetism could prove the most useful of all—if researchers can identify the materials that exhibit it.

Add Yahoo as a preferred source to see more of our stories on Google. On a breezy afternoon last autumn in Cambridge, Mass., in a laboratory thrumming with the huff-whish-huff sound of refrigeration ...

For the first time in nearly a century, physicists have identified a brand new type of magnetic material. Crack open a physics textbook and you may read that scientists classify magnetic materials ...