![Screenshot of youtube.com: I'm so bad at billiards that I ended up in the hyperbolic plane [video]](https://hn.urlbox.com/shots/renders/2026/10/30/3dc07646-f172-492a-bc31-87c0565390ad.jpg)
I'm so bad at billiards that I ended up in the hyperbolic plane [video](youtube.com)
23 points by surprisetalk | 2 comments
A 2swap YouTube video exploring billiards and outer billiards on polygonal tables, leading to self-similar structures and the hyperbolic plane.