Skip to main content

How big is infinity? - Dennis Wildfogel

3,518,406 Views

21,615 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.

WatchThink 5 Multiple Choice &
3 Open Answer Questions Dig Deeper Learn More Discuss 1 Guided Discussion &
0 Open Discussions
Some ancient languages didn't have words for numbers greater than three. What did the people who spoke those languages do when they needed to count their livestock?

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

More from Math In Real Life