Scientists Create Blackest Material Ever

Of all the black things in the universe only the infamous "black holes" are so black that not even a tiny amount of light can bounce back.  But scientists have managed to create material almost as black, and it has enormous potential use. One of the reasons astronomical telescopes are built high up in the mountains and away from large population centers is the problem of stray light.  Images of galaxies millions light years away are so faint that reflections even from...

© La Voix de l'Amérique - jeudi 17 juillet 2014