The Kinetic Space project uses almost any type of 3D spatial scanner - including the Xbox Kinect - to register and read gestures. How does it work? Well, first you register your body and then record a set of gestures. The system can read those gestures and trigger events based on the speed and repetition of the gestures. The best part is the granularity: you can even scan hand motions for an interesting form of man-machine sign language.