Made up of over 40,000 physical dots spinning from black to white at 15 times faster than originally designed to, the screen not only reflects back a unique image of anyone walking by, but allows you to actually hear those movements thanks to its mechanical nature.

It's been built for an ad campaign for TNT's newest crime-solving show Perception and can be seen in NY city up at 32nd St. and 6th Ave. until July 29th.

source: http://breakfastny.com/2012/06/reactive-super-speed-electromagnet-dot-di...