here is a link to a talk by Dean Kamen who helped in the invention of a new prosthetic arm for our maimed veterans who have lost a arm or both in the war. if you are not aware of who Dean Kamen is here is a little insight from the website
Dean Kamen is an innovator, but not just of things.
He hopes to revolutionize attitudes, quality of life, awareness. While an undergraduate, he developed the first portable infusion device, which delivers drug treatments that once required round-the-clock hospital care. And, through his
DEKA Research and Development, which he cofounded in 1982, he developed a portable dialysis machine, a vascular stent, and the
iBOT -- a motorized wheelchair that climbs stairs (Stephen Colbert took one for a spin).
Yes, he's a college dropout, but he's a huge believer in education, and in 1989 established the nonprofit
FIRST (For Inspiration and Recognition of Science and Technology) to inspire teenagers to pursue careers in science. FIRST sponsors lively annual competitions, where students form teams to create the best robot.
His focus now is on off-grid electricity and water purification for developing countries;
another recent project, previewed at TED2007, is a prosthetic arm for maimed soldiers (read an update here). He's also working on a power source for the wonderful
Think car. And, with more funding in the works, we haven't seen the last of the
Segway.
"Lots of people talk and dream about changing the world. But inventor Dean Kamen is actually doing it."
CBS News
he was asked to drop out of college because of his constant day dreaming. he was told by the professors that he would never amount to anything
link to the vidieo
TED | Talks | Dean Kamen: New prosthetic arm for veterans (video)