Weibiao Chen

Physicist at the Shanghai Institute of Optics and Fine Mechanics and CAPR team member

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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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Inviting international researchers to use CAPR

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