4 ms·
Vantablack absorbs up to 99.96% and the species of fish absorbs 99.95%. They must be talking about certain cells or pigments rather than the entire fish since t
by ghastmaster 6y ago
Vantablack absorbs up to 99.96% and the species of fish absorbs 99.95%. They must be talking about certain cells or pigments rather than the entire fish since they do not appear ultra-black in the images I see.
Found in the paper:
> We used a back-reflectance probe calibrated to a 2% diffuse reflectance standard to measure the reflectance at perpendicular incidence from the blackest undamaged patches of skin.
- dmix 6y agoThe sublinked NYTime article on ultra-black does a good job explaining both biological and manufactured blackest-of-blacks (with carbon nanotubes): https://www.nytimes.com/2019/11/11/science/black-fashion-physics-animals.html https://www.nytimes.com/2019/11/11/science/black-fashion-phy... Although predating the fish study.