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Black 4.0 is the blackest paint you can buy [1]

['Rob Beschizza']

Date: 2023-11-01

Stuart Semple's Black 4.0 is very nearly as black as Vantablack—and unlike that fabulously expensive coating, developed for the UK's defense ministry and possibly carcinogenic, you can buy a bottle of Black 4.0 for fifty bucks.

Vantablack has a light absorbance value of 99.965%, with Black 4.0 close behind at 99.95%. Earlier models of Black x.0 were only 99.6%.

I covered a laptop (below) in Black 2.0: it was exceptionally dark (and as you can see easily defeats a cellphone camera) but in person still had a faint velvet reflectance that was made worse over time by fingerprints. Even so, I liked the way it made other people in coffee shops look at it with a vague sense of unease. I'm hoping that my Black 4.0 laptop will be genuinely discomfiting for humans to behold.

[END]
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[1] Url: https://boingboing.net/2023/11/01/black-4-0-is-the-blackest-paint-you-can-buy.html

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