Wow!
"Created by media artist group Jonpasang for the Hyundai Motor Group Exhibition Pavilion at the 2012 Yeosu EXPO in Korea, the Hyper-Matrix is comprised of a steel scaffolding and thousands of lightweight, 300mm x 300mm cubes, each attached to its own stepper motor. A choreographed routine makes the pixels pump in and out, creating rippling arrows and pulsating grids" via http://www.fastcodesign.com/1670724/a-movie-theaters-walls-broken-into-thousa...