It will be more appealing to nerds when they could say "transition frequency of ... | Hacker News

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bmacho on May 26, 2024 | parent | context | favorite | on: Medieval Bologna was full of tall towers

It will be more appealing to nerds when they could say "transition frequency of the caesium 133 atom"

throwup238 on May 26, 2024 [–]

The number of atomic transitions a cesium 133 atom makes when fired across a football field at the speed of sound.

tuatoru on May 26, 2024 | [–]

... in dry air at STP.

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