Vantablack®, made by the British company Surrey NanoSystems, is a super-black coating that holds the world record as the darkest man-made substance, absorbing all but 0.035% of visual light.
Source: surreynanosystems.com/vantablack
via: https://amazeandamuse.blogspot.com/2018/12/the-worlds-darkest-material-vantablack.html
Image credit: commons.wikimedia.org/wiki/File:Vantablack_02.JPG
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