How vast is infinity? - Dennis Wildfogel
May 17, 2026•10 min
Episode description
View full lesson: http://ed.ted.com/lessons/how-big-is-infinity
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.
Lesson by Dennis Wildfogel, animation by Augenblick Studios.
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