NASA develops super-black material that absorbs light across multiple wavelength bands

http://www.sciencedaily.com/releases/2011/11/111108213055.htm
Cool - Is this what Black Adder had is horse pained this colour?

http://www.sing365.com/music/lyric.nsf/Black-Adder-lyrics-TV-Theme-Songs/BF8AE2272379C29F482572A4000B4593