Science

SLAC scientists find conclusive proof of a mysterious third type of magnetism

For nearly 90 years, scientists believed magnetism fell into just two categories, but researchers have now confirmed a remarkable third type called altermagnetism.

✦ Extractive summary — built from the sources' own reporting•From 1 source•1 min read•Updated November 4, 2026, 10:43 AM UTC
Key points
  • The discovery could lead to faster computers, more efficient data centers, and breakthroughs in quantum technology.

Altermagnets combine stability with the ability to efficiently carry information, potentially overcoming major limitations in today's electronics.

Using specialized X-rays, they uncovered a unique magnetic signature that proves these materials behave differently from conventional magnets.

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