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Vantablack is a class of super-black coatings with total hemispherical reflectances (THR) below 1% [4] in the visible spectrum. The name is a portmanteau of the acronym VANTA ( vertically aligned nanotube arrays ) [ 5 ] and black .
As a result, infrared light of a wavelength longer than a few micrometers penetrates through the dark layer and has much higher reflectivity. The reported spectral dependence increases from about 1% at 3 μm to 50% at 20 μm. [3] In 2009, a competitor to the super black material, Vantablack, was developed based on carbon nanotubes. It has a ...
A fact from Vantablack appeared on Wikipedia's Main Page in the Did you know column on 20 July 2014 (check views). The text of the entry was as follows: The text of the entry was as follows: Did you know ... that Vantablack , a material made from carbon nanotubes , is the blackest substance known?
[1] In color theory, a shade is a pure color mixed with black. It decreases its lightness while nearly conserving its chromaticity. Strictly speaking, a "shade of black" is always a pure black itself and a "tint of black" would be a neutral gray. In practice, many off-black colors possess a hue and a colorfulness (also called saturation).
Thermal chemical vapor deposition is a common technique to grow aligned arrays of CNTs. In the CVD process, a hot carbonaceous gas decomposes, *leaving carbon diffuses into or around the catalyst particles*, and then nucleates a graphitic nanotube sidewall at one crystallographic face of the catalyst.
This fragrance free laundry detergent is excellent for people who want to get their black clothes clean. With a 75 washer load container, Loni Bio Laundry Detergent is number one on our list of ...
Vantablack is an extremely black chemical substance. Vantablack may also refer to: Vantablack, a 2017 dubstep extended play by Dirtyphonics and Sullivan King "Vantablack", a 2017 song by French synthwave musician Perturbator "Vantablack", a 2022 episode of Fleishman Is in Trouble
“Kamala Harris, though she is now presenting herself as, you know, Malcolm X … she’s half Indian and then half Afro Caribbean, so she really doesn’t have any link to the African American ...