Quickly, what's the toughest puzzle you've ever had to solve? Also, can you juggle? How about both simultaneously? With a camera filming? GO!
Call it genius or call it a gimmick; either stance doesn't make what David Calvo does with a Rubik's cube (or three) any less impressive. Just take a look:
Calvo has become pretty notable for exploits like this. In fact, calling him the "cube whisperer" would probably sell his talents short.
But is it the most impressive solving of a Rubik's cube that you've ever seen? There are certainly a few options floating around the web, but Calvo's latest offering has to be listed near the top.
But it couldn't hurt if he also ate fire.