This open problem taught me what topology is

3Blue1Brown · 27:26

2,371,559 views · 72,766 likes · Dec 24, 2024

The inscribed square/rectangle problem, solved using Möbius strips and Klein bottles.
Playlist with more neat proofs: https://www.youtube.com/playlist?list=PLZHQObOWTQDPSKntUcMArGheySM4gL7wS
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This argument was originally by Herbert …

The inscribed square/rectangle problem, solved using Möbius strips and Klein bottles.
Playlist with more neat proofs: https://www.youtube.com/playlist?list=PLZHQObOWTQDPSKntUcMArGheySM4gL7wS
Instead of sponsored ad reads, these lessons are funded directly by viewers: https://3b1b.co/support
An equally valuable form of support is to simply share the videos.

This argument was originally by Herbert …

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