Dean Kamen: The Emotion Behind Invention

In this video Dean Kamen talks about building a mechanical arm for veterans.  Many kids are coming back from the lines loosing limbs, some of them bilateral.  The only alternative they have for an arm is a plastic stick and a hook on the end and it has been that way sense the civil war.  Dean was put in charge of building a mechanical arm for these men and women, and in doing so learns a lot along the way.