![Screenshot of youtube.com: This open problem taught me what topology is [video]](https://hn.urlbox.com/shots/renders/2024/12/25/de5f572f-325b-44ce-9e24-87e34c224125.jpg)
This open problem taught me what topology is [video](youtube.com)
469 points by surprisetalk | 76 comments
A 3Blue1Brown YouTube video explaining topology through an open mathematical problem.
![Screenshot of youtube.com: There's never been a better time to go into math (by: 3blue1brown) [video]](https://hn.urlbox.com/shots/renders/2026/10/18/16b6fde6-074e-4b3e-823e-325e09a022cc.jpg)
First screen, captured .
Looks similar
![Screenshot of youtube.com: How I animate 3Blue1Brown [video]](https://hn.urlbox.com/shots/renders/2024/10/12/ff18c711-b079-46a2-90e2-f0467a5c5ed8.jpg)
How I animate 3Blue1Brown [video](youtube.com)
842 points by Tomte | 171 comments
YouTube video from 3Blue1Brown in which Grant Sanderson demos how he animates videos using his Manim Python library, with Ben Sparks.
![Screenshot of youtube.com: How and why to take a logarithm of an image [video]](https://hn.urlbox.com/shots/renders/2026/3/27/119acb0e-a557-4f19-ae85-4d57c4e2a343.jpg)
![Screenshot of youtube.com: Why 4D geometry makes me sad [video]](https://hn.urlbox.com/shots/renders/2024/11/9/4b20738a-6d41-4ba2-8e7a-593a241b291d.jpg)
![Screenshot of youtube.com: How much math is knowable? [video]](https://hn.urlbox.com/shots/renders/2025/4/24/7f996610-dde2-4f83-bde8-2df1d46b5999.jpg)
![Screenshot of youtube.com: 15 sorting algorithms in 6 minutes (2013) [video]](https://hn.urlbox.com/shots/renders/2026/6/25/aee1db6b-ddfa-4a80-bbba-55bef220b588.jpg)
Related stories
How I animate 3Blue1Brown [video](youtube.com)
842 points by Tomte | 171 comments
YouTube video from 3Blue1Brown in which Grant Sanderson demos how he animates videos using his Manim Python library, with Ben Sparks.
3blue1brown YouTube Bitcoin video taken down as copyright violation(twitter.com)
753 points by talonx | 363 comments
A post on X by 3Blue1Brown about his YouTube video on Bitcoin being taken down as a copyright violation.
![Screenshot of youtube.com: But what is a GPT? Visual intro to Transformers [video]](https://hn.urlbox.com/shots/renders/2024/4/2/71716e98-88ef-4714-9527-00dfc652e546.jpg)
But what is a GPT? Visual intro to Transformers [video](youtube.com)
387 points by huhhuh | 46 comments
A 3Blue1Brown YouTube video giving a visual introduction to GPT and the transformer architecture, chapter 5 of its deep learning series.
Lessons by 3blue1brown(3blue1brown.com)
396 points by spallas | 104 comments
Homepage of 3Blue1Brown, Grant Sanderson's site offering animated math video lessons, blog posts, podcast, and extras.
![Screenshot of youtube.com: After 34 years, someone beat Tetris [video]](https://hn.urlbox.com/shots/renders/2024/1/2/7886e0c4-276a-4ffc-81bb-352d7e5514de.jpg)
After 34 years, someone beat Tetris [video](youtube.com)
494 points by gslin | 149 comments
YouTube video by aGameScout about Willis "Blue Scuti" Gibson becoming the first person to beat NES Tetris by reaching the game's crash screen.
Why do prime numbers make these spirals? (2019)(3blue1brown.com)
331 points by nivethan | 88 comments
A 3Blue1Brown lesson page with an embedded video explaining why plotting prime numbers in polar coordinates produces spiral patterns.