Penrose Unilluminable Room Is Impossible To Light

Get 30% off ANY KiwiCo crate: Penrose 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: Here’s Nils Berglund’s channel: Alex Bellos’s elliptical billiard table can be found here: You can buy my books here: You can support me on Patreon here: just like these amazing people: Frank Hereford Will Ackerly Brendan Williams Cameron Leigh Middleton Matthew Cocke Frederic Merizen Jeremy Cole Alan Wilderland Joel Van der loo Glenn Watson Doug Peterson Paul Warelis John Zelinka Alnitak Grant Hay Heather Liu Marshall Fitzpatrik Lukas Biewalk JJ Masson Ben McIntosh