When the government came to Dean Kamen two years ago, they were looking to find someone who could invent a human-like arm specifically for the veterans of war in Iraq and Afghanistan who had returned without their limbs. The government gave him deadline of two years, and wanted enough precision to eat grapes and hold on to raisons. It also couldn't weigh more than a human arm. (Source: Yahoo Finance)
Dean Kamen was one of this year's keynote speaker from the Front End of Innovation Conference. 'Luke,' named after Luke Skywalker, is controlled by movement of a foot, and is extremely agile, functioning as a real human arm. Check out this video of a news report on CNN to see how it works:
Dean Kamen