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A Chronicle of Timekeeping

From the ancient Egyptians to the 13th-century inventors of the mechanical clock to the atomic clocks of the last century, people keep striving to measure time more accurately. Understand why accuracy in timekeeping was important for the agriculturists of the Nile and why it still matters for those of us today who use navigation systems, cell phones, and electricity from the power grid.

English
  • Originally Aired March 1, 2021
  • Runtime 29 minutes
  • Created April 1, 2021 by
    Administrator admin
  • Modified April 1, 2021 by
    Administrator admin