In this video I paint my entire room with Musou Black to see what it looks like when the walls around you absorb over 99% of the light in the room. What happens when you turn on a light in the room?

Musou Black: https://www.kopro.black/product/muso...

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*Any experiment you try is at YOUR OWN RISK. The Action Lab assumes no responsibility for any injury if you attempt anything you see in this video or on The Action Lab channel.