![Screenshot of youtube.com: Wordle-Solving Robot (2022) [video]](https://hn.urlbox.com/shots/renders/2023/12/18/f3a9b255-7d0c-4f39-9e15-5edef52a4af7.jpg)
![Screenshot of youtube.com: Micromouse: The Fastest Maze-Solving Competition on Earth [video]](https://hn.urlbox.com/shots/renders/2023/5/26/7784ed1d-6487-46bd-baac-1f50e6e29ace.jpg)
First screen, captured .
Looks similar
![Screenshot of youtube.com: Towards a “PCB Drone” – Making a PCB Motor which reaches 30k RPM [video]](https://hn.urlbox.com/shots/renders/2023/6/25/6c7043df-3dfe-4ff4-b1fb-2759f310c231.jpg)
Towards a “PCB Drone” – Making a PCB Motor which reaches 30k RPM [video](youtube.com)
333 points by reaperman | 60 comments
YouTube video by Carl Bugeja showing his efforts to make his tiny PCB motor stronger and faster, reaching 30,000 RPM.
![Screenshot of youtube.com: The coolest robot I've ever built [video]](https://hn.urlbox.com/shots/renders/2023/11/7/1e43cd69-4fce-44ca-b5d5-5d46431d4caf.jpg)
The coolest robot I've ever built [video](youtube.com)
331 points by superasn | 137 comments
A YouTube video by Thomas Burns showing a homemade robot with animatronic eyes and a small CRT screen as its mouth.
The Oldest Unsolved Problem in Math(youtube.com)
14 points by nyc111 | 2 comments
![Screenshot of youtube.com: The Black-Scholes/Merton equation [video]](https://hn.urlbox.com/shots/renders/2024/3/3/27210d93-407f-41a4-8cb4-965e9e86d79e.jpg)
![Screenshot of youtube.com: It was almost impossible to make the blue LED [video]](https://hn.urlbox.com/shots/renders/2024/2/9/c2aca7fc-799e-418b-ae6a-ab93f4b4eb12.jpg)