A coating, which is made from vertically aligned carbon nanotubes. Absorbs 99.995% of visible light. Vanta: A mere 99.96%.
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Kolanaki@yiffit.net 11 months ago
The only time something doesn’t reflect light is if it’s painted in that special black that’s even darker than vanta black, because that’s what makes it so black; it absorbs all light instead of reflecting any.
BigBrainBrett2517@lemmy.world 11 months ago
Klear@lemmy.world 11 months ago
Black holes don’t reflect any light at all as far as I know. They do emit some light via hawking radiation, but that’s not really reflecting.
bjoern_tantau@swg-empire.de 11 months ago
And even that reflects a teeny tiny bit of light.