Xuzong Chen

Physicist at Peking University and chief scientist of the Cold Atom Physics Rack

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Last updated Nov 8, 2026

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China's space station sets record for coldest human-made matter

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Leading the CAPR experiment

A cloud of rubidium atoms inside China's space station has reached 9.7 picokelvins, about 9.7 trillionths of a degree above absolute zero. The result is four times colder than the previous record and the coldest human-made matter ever measured.

Updated 2 hours ago