This is a video of The Action Lab's James Orgill painting the entire interior of a room he made out of insulation board with the world's blackest commercially
Painting a room with the world's blackest paint - Musou Black
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The weirdness of a room painted entirely with the world's blackest
Vantablack: Darkest material on Earth creates a 'schism in space
The weirdness of a room painted entirely with the world's blackest
Vantablack: Darkest material on Earth creates a 'schism in space
Painting My Entire Room With The World's Brightest PaintThen