Penrose Unilluminable Room Is Impossible To Light

Penrose Unilluminable Room Is Impossible To Light

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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:

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just like these amazing people:

Frank Hereford
Will Ackerly
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Matthew Cocke
Frederic Merizen
Jeremy Cole
Alan Wilderland
Joel Van der loo
Glenn Watson
Doug Peterson
Paul Warelis
John Zelinka
Grant Hay
Heather Liu
Marshall Fitzpatrik
Lukas Biewalk
JJ Masson
Ben McIntosh
Damien Szerszinski

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