The infinite life of pi - Reynaldo Lopes - TED-Ed

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View full lesson: http://ed.ted.com/lessons/the-infinite-life-of-pi-reynaldo-lopesThe ratio of a circle's circumference to its diameter is always the same: 3.14159... and on and on (literally!) forever. This irrational number, pi, has an infinite number of digits, so we'll never figure out its exact value no matter how close we seem to get. Reynaldo Lopes explains pi's vast applications to the study of music, financial models, and even the density of the universe.Lesson by Reynaldo Lopes, animation by Igor Coric. Learn more about your ad choices. Visit megaphone.fm/adchoices

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This episode is 5 minutes long.

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This episode was published on June 12, 2026.

What is this episode about?

View full lesson: http://ed.ted.com/lessons/the-infinite-life-of-pi-reynaldo-lopesThe ratio of a circle's circumference to its diameter is always the same: 3.14159... and on and on (literally!) forever. This irrational number, pi, has an infinite...

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