A compass always points north—or does it? Magnets normally maintain a stable direction of magnetization, pointing from south to north (S→N). However, this direction can change under strong magnetic fields or heat. For example, a compass placed near a strong magnet may no longer point in the right direction.

First direct nanomagnet measurement finds switching attempts far slower than long-assumed
Phys.org·Phys.org··1 min read
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