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How big is infinity? - Dennis Wildfogel


21,717 Questions Answered

TEDEd Animation

Let’s Begin…

Using the fundamentals of set theory, explore the mind-bending concept of the “infinity of infinities” -- and how it led mathematicians to conclude that math itself contains unanswerable questions.

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

  • Director Aaron Augenblick
  • Educator Dennis Wildfogel
  • Animator Hal Lee
  • Producer Lisa Thomas
  • Narrator Dennis Wildfogel

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