Space Daily September 08, 2026 • 21:30

Rice University physicists used a grain-of-sand-sized magnet levitated above a superconductor cooled to near absolute zero to search for ultraheavy dark matter. Results presented in September 2026 found no signal but probed particles approximately 10 milli - Space Daily

A magnetically levitated sensor extended the ultraheavy dark-matter search by seven orders of magnitude in mass reach, setting limits without a confirmed detection.

A tiny magnet floating above a superconductor has given physicists a way to test an unusually heavy set of dark-matter candidates. The detector did not identify dark matter. What it demonstrated was … [+6361 chars]

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Rice University physicists used a grain-of-sand-sized magnet levitated above a superconductor cooled to near absolute zero to search for ultraheavy dark matter. Results presented in September 2026 found no signal but probed particles approximately 10 milli - Space Daily

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