No, 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

No, 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...