Microsoft’s HoloDesk

This is very cool, Microsoft’s Augmented Reality 3D HoloDesk Lets You Play With Balls In Real Time "Do you mind if Microsoft drops a little future on you like a ton of bricks? This HoloDesk uses a half-silvered mirror and a Kinect sensor to “see” your hands in 3D space then project visible objects on and around them, allowing you to juggle virtual spheres, play with phones, and generally get all Minority Report up in this piece."