7 ms·
Assuming you are referring to this image: http://www.independent.co.uk/incoming/article9603983.ece/alternates/w460/newblack.jpg http://www.independent.co.uk/inc
by alok-g 12y ago
Assuming you are referring to this image: http://www.independent.co.uk/incoming/article9603983.ece/alternates/w460/newblack.jpg http://www.independent.co.uk/incoming/article9603983.ece/alt...
What looks like a hole in the metal foil is the portion of the metal foil with the said material applied on it. It looks like a hole in spite of the metal foil having ridges and valleys as seen on the sides where the material is not applied.
- dm2 12y agoNo, the URL was changed after I posted that comment. This is the image I was referring to: http://cdn.singularityhub.com/wp-content/uploads/2014/07/nasa-carbon-nanotubes-super-black.jpg http://cdn.singularityhub.com/wp-content/uploads/2014/07/nas... I assume it was just there to show how small carbon-nanotube fibers are. From this page: http://singularityhub.com/2014/07/19/new-super-black-light-absorbing-material-looks-like-a-hole-in-reality/ http://singularityhub.com/2014/07/19/new-super-black-light-a...