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Chinese scientists, utilizing the ultracold atom physics experiment cabinet aboard the China Space Station, employed all-optical trap cooling technology to lower the equivalent temperature of a rubidium atom cloud to 9.7 picokelvins — a reduction of 14 orders of magnitude from room temperature — and were able to observe it continuously for 7 seconds, setting a new human low-temperature record. The achievement was led in demonstration, management, and integration by the Technology and Engineering Center for Space Utilization, Chinese Academy of Sciences, and jointly completed by Peking University and the Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences. The paper was published in the international academic journal Science.
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