Remember Harry Potter's "Cloak of Invisibility"? Turns out it's not so much fiction as you might have thought.
Scientists Create a Black That Erases Virtually All Light
Black is getting blacker.
Researchers in New York reported this month that they have created a paper-thin material that absorbs 99.955 percent of the light that hits it, making it by far the darkest substance ever made -- about 30 times as dark as the government's current standard for blackest black. full article here