Central Cesium Clock

copippin | 14:52 Sat 05th Nov 2005 | How it Works

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Thanks Loosehead for your answer.Next question is how was the above clock assessed for accuracy?

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tellboy

I thought everyone knew that in atomic time the unit of a second is defined as; the duration of 9,192,631,770 cycles of microwave light absorbed or emitted by the hyperfine transition of cesium-133 atoms in their ground state undisturbed by external fields.

copippin

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Thank you for your answerTellboy;I gave up being an atomic scientist some years back so I had completely forgotten that I could have answered my own question.

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