Speaking to Hackaday, Semple explained the performance of the new paint, being sold through his Culture Hustle website. “Black 4.0 absorbs an astonishing 99.95% of visible light which is about ...

“It was totally independent. More and more artists brought in work that had black-light paint, so we decided to make it a thing. Maybe in the future we’ll do a black-light show.” Dark on ...