How to Make an Invisible Diamond

A black material 10 times blacker than the blackest black, was created because of an artist at MIT. Diemut Strebe wanted to cover a 16-carat diamond, with carbon nanotubes. Diamonds and carbon are made from the same molecules, but arranged differently. The carbon-nanotube-coated gemstone absorbs all light, becoming a black void, even under a microscope!