![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: How I animate 3Blue1Brown [video]](https://hn.urlbox.com/shots/renders/2024/10/12/e9d2a5fb-6e5d-4a52-a5e0-8343df868b10.jpg)
First screen, captured .
Looks similar
![Screenshot of youtube.com: He Built Apple's 1980s iPad Concept [video]](https://hn.urlbox.com/shots/renders/2024/12/9/003a23e2-17d8-44c9-92c4-1d35feb5aa6a.jpg)
![Screenshot of youtube.com: Honest Government Ad – Nuclear Power (Australia) [video]](https://hn.urlbox.com/shots/renders/2025/2/15/e86a9297-261e-462a-a77f-406139ebe34c.jpg)
![Screenshot of youtube.com: How to Make a Legit Sound Camera [video]](https://hn.urlbox.com/shots/renders/2024/10/14/007ee0ac-cc26-4d68-a336-afdfe3e18ab7.jpg)
![Screenshot of youtube.com: It's a Palworld After All a Lawyer Explains Nintendo vs. Palworld [video]](https://hn.urlbox.com/shots/renders/2024/11/4/d1f50a24-81ca-4677-9f9c-461d81e639ca.jpg)
![Screenshot of youtube.com: François Chollet: The Arc Prize and How We Get to AGI [video]](https://hn.urlbox.com/shots/renders/2025/7/7/7326dcb0-bc26-4784-b262-a47782278bc6.jpg)
Related stories
![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/cd65365e-6f6d-4b41-be70-e0902d2707dc.jpg)
There's never been a better time to go into math (by: 3blue1brown) [video](youtube.com)
521 points by mdp2021 | 728 comments
A 3Blue1Brown YouTube video arguing there has never been a better time to go into mathematics, discussing AI's role in math.
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.
Manim: Animation engine for explanatory math videos(github.com)
388 points by pykello | 65 comments
GitHub repository for Manim, 3Blue1Brown's Python animation engine for creating explanatory math videos.
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.
![Screenshot of youtube.com: I built a drone with only one motor [video]](https://hn.urlbox.com/shots/renders/2026/10/19/5b17e313-c36e-4365-9533-ae8a8b432408.jpg)
I built a drone with only one motor [video](youtube.com)
624 points by hakonjdjohnsen | 139 comments
YouTube video by Joshua Bird showing how he built and flew a drone that uses only a single motor.