This is a really novel approach, but IMHO a more well rounded solution is the one being developed at Microsoft Research using Kinect. <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=HnkQyUo3134" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=HnkQyUo3134</a><p>Nonetheless, great work by these students. I think their work is likely to have more applications in other areas where mimicking the movement of hands and fingers is an essential component.