A British nanotech company has created what it says is the world's darkest material.
There aren't many paternoster lifts left in the world: they're inaccessible, tough to maintain and a bit more dangerous than a regular lift. But some of them still exist: so if you're ever nearby, do stop by the University of Sheffield's Arts Tower and have a ride up and down. Just don't go over the top.
Tintype Portrait
