The darkest material on Earth has become even darker
 

When Surrey NanoSystems introduced the original Vantablack, the company said the carbon nanotube material is capable of absorbing 99.96 percent of light that touches it. It's so dark, it can fool your eyes into seeing a smooth surface even when the n...

http://www.engadget.com/2016/03/05/vantablack-2/