2025-07-17 Hacker News Top Articles and Its Summaries
1. Altermagnets: The first new type of magnet in nearly a century Total comment counts : 22 Summary Researchers have discovered a new type of magnet called “altermagnets,” marking the first novel magnetism in nearly a century. Inspired by M.C. Escher’s artwork, Libor Šmejkal predicted their existence in 2022. Unlike traditional ferromagnets and antiferromagnets, altermagnets could enable faster, more energy-efficient computing. They possess unique properties derived from the behavior of electron spins, challenging established magnetism models....