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The fundamentals of space-time: Part 3 - Andrew Pontzen and Tom Whyntie

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In the first two lessons of this series on space-time, we've dealt with objects moving at constant speeds, with straight world lines, in space-time. But what happens when you throw gravity into the mix? In this third and final lesson, CERN scientists Andrew Pontzen and Tom Whyntie explore what gravity means for space-time -- or rather, what space-time means for gravity.

How are curved worldlines different than straight ones?

About TED-Ed Animations

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

  • Educator Tom Whyntie, Andrew Pontzen
  • Director Mark Fisher, Patrick Semple, Daniel Spencer
  • Narrator Andrew Pontzen, Tom Whyntie

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