Sigma R&D has won first prize in a gesture challenge to show just how much more talent -- like sign language translation and light saber fun -- can be unlocked in a Kinect. Normally the Microsoft device can only scope body and full mitt movements, but the research company was able to track individual fingers with a Kinect or similar sensor, plus its custom software, allowing a user's hand to become a more finely tuned controller. To prove it, the company introduced a virtual lightsaber to a
