Now that the Wii's thoroughly indoctrinated everyone and their mothers (and grandmothers) into the joy of motion-sensitive gaming, it's only natural to ask what's next -- and a system of cheap accelerometers, gyroscopes, and ultrasonic sound emitters developed by a team at in Switzerland could provide some answers. The sensors are linked up and used like a rudimentary motion-capture suit -- only instead of needing a controlled environment and special cameras, microphones worn on the torso pick up beeps from the emitters to locate your limbs as you flail about. The system is flexible enough to be used during active sports like skiing or bicycling for more accura
