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What's invisible? More than you think - John Lloyd

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TEDEd Animation

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Gravity. The stars in day. Thoughts. The human genome. Time. Atoms. So much of what really matters in the world is impossible to see. A stunning animation of John Lloyd's classic TEDTalk from 2009, which will make you question what you actually know.

According to Lloyd, there are an estimated 100 billion galaxies in the known universe, but we can only see:

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

  • Animator Cognitive Media
  • Educator John Lloyd
  • Narrator John Lloyd

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