11:15mathematical problem solvingExplainer
The hardest problem on the hardest test
3Blue1Brown
8 HN recommenders
11:15mathematical problem solvingExplainer
3Blue1Brown
8 HN recommenders
4:07game theoryExplainer
TED-Ed
3 HN recommenders
1:11
1:10:01
1:08hiring and programming contestsTalk
pkrumins
Discussed on HN
Videos shared and discussed on Hacker News, with original community evidence and topic labels.
Indie Picks is organized from video metadata and uploader descriptions; it is not a full-video editorial review. HN Library retains community discussions. Sources and data notes