A high-tech material has been dubbed the “blackest black” ever created. The unnamed substance traps over 99.9% of light, making it 10 times blacker than anything that’s come before it. Scientists at the Massachusetts Institute of Technology made it from nanotubes – tiny bits of carbon 50,000 times smaller than the width of a human hair. They say the material could be used in artwork or to help space telescopes spot distant galaxies by filtering out stray light that blocks the lens. “There are optical and space science applications for very black materials,” said professor Brian Wardle, lead author of a new study on the find. “And of course, artists have been interested in black, going back well before the Renaissance.” To test the nano-coating, the scientists layered it over a 16-carat diamond worth £1.6million (about $2 million) as part of a New York art exhibit. Images revealed the gem, normally a bright yellow, completely disappeared into a flat, black void once the coating was added. The material was made by “growing” nanotubes on aluminum foil using a complex set of chemical processes. Further tests showed it absorbed greater than 99.995% of incoming light, from every angle. That means it’s… Read full this story
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