We've seen pixel art on Neatorama before, but never like this. Meet IRIS (2012), an "interactive media canvas with expandable matrix of transmissive monochrome LCD" by Hybe.
If the last sentence made you go "huh?", it's because it's kind of hard to explain. Hybe hacked an Xbox 360 with a custom designed Arduino board to create a matrix of transparent LCD screens that display varrying sizes of black circles. These dynamic circles are what you see as art.