Name: A brief history of timekeeping
Uploaded: 2022-11-21T15:04:38+00:00
Duration: 1 h 15 min 3 s
Description: From Stonehenge to atomic clocks, Chad will reveal the 5,000-year history of how science is used to mark time.

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From Stonehenge to atomic clocks, Chad will reveal the 5,000-year history of how science is used to mark time.

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