No One Has Ever Done It Before: Physicists Make a Magnet the Size of a Grain of Sand Levitate to Hunt Ultra-Heavy Dark Matter

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Between December 22, 2025 and January 21, 2026, in a laboratory at the University of Leiden (Netherlands), a magnet the size of a grain of sand floated for whole nights over a cooled superconductor almost to absolute zero. The physicists watching him waited for a tiny push, ... Continue reading "Nobody had done it before: physicists make a magnet the size of a grain of sand levitate to hunt ultra heavy dark matter"