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The history of keeping time - Karen Mensing

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9,126 Questions Answered

TEDEd Animation

Let’s Begin…

Where did time-telling come from? What are time zones and why are there so many of them? Get the answers to these questions and more in this journey through the history of time -- from sundials to hourglasses to modern clocks.

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TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Animator Avi Ofer
  • Educator Karen Mensing
  • Narrator Karen Mensing

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