english.cas.cn — HRO

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1.		Chinese Optical Clock Accurate to Within 1 Second over 30B Years (english.cas.cn)
		1 points by jacquesm 8 days ago \| 0 comments \| skipped

build ee2b489+gzrb · deployed 2026-03-10 22:52 UTC · evaluated 2026-03-16 02:03:38 UTC