When things go wrong at the nano-scale, it can yield the coolest images. Like this failed oxidation of a piece of silicon, which went south because the artists didn't use enough chromium. Some of the nano-art in the 21st Nano Art Competition looks a tad cheesy and fake, but the best contenders show off something unexpected (and maybe migraine-inducing) that really happened in the lab. Check out more of our favorites after the jump, and vote for your favorite here.

Image by Pran Mukherjee, Eleanor Howe and Mark Stock. [Azonano]