| Title | : | Penrose Unilluminable Room Is Impossible To Light |
| Duration | : | 10 minutes, 24 seconds |
| Uploader | : | Steve Mould |
| Added On: | : | 19 May, 2022 |
| Views | : | 6.9M times |
| Likes | : | 0 |
| Source | : | YouTube |
Get 30% off ANY KiwiCo crate httpskiwico.comstevemould30Penrose Unilluminable Room is a room with mirrored walls that can't be fully illuminated by a single point source of light. I thought I was the first person to build one but Action Lab beat me to it
