video thumbnail 5:53
How pi was almost 6.283185...

2018-03-14

[public] 899K views, 44.6K likes, 352 dislikes audio only

channel thumb3Blue1Brown

In some of his notes, Euler used π to represent 6.28... So why did we adopt 3.14...?

Help fund future projects: https://www.patreon.com/3blue1brown

An equally valuable form of support is to simply share some of the videos.

Home page: https://www.3blue1brown.com

The idea for this video, as well as the live shots, came from Ben Hambrecht, with the writing and animating done by Grant Sanderson.

Special thanks to:

- University Library Basel, for letting us rummage through their historical collection

- Martin Mattmüller from the Bernoulli-Euler center for helpful discussion

- Michael Hartl, author of the Tau Manifesto, for pointing us to obscure references

- Library of the Institut de France

Cinematographer: Eugen Heller

Music by Vincent Rubinetti:

https://vincerubinetti.bandcamp.com/album/the-music-of-3blue1brown

Thanks to these viewers for their contributions to translations

Hebrew: Omer Tuchfeld

Korean: tebaioioo

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Why is pi here? And why is it squared? A geometric answer to the Basel problem by 3Blue1Brown
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Intro
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Leonardo Euler
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Who is the villain
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Euler and pi
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Conclusion
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Why is pi here? And why is it squared? A geometric answer to the Basel problem 4,695,444 views
/youtube/video/d-o3eB9sfls
3Blue1Brown 3Blue1Brown, by Grant Sanderson, is some combination of math and entertainment, depending on your disposition. The goal is for explanations to be driven by animations and for difficult problems to be made simple with changes in perspective. For more information, other projects, FAQs, and inquiries see the website: https://www.3blue1brown.com
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