isn't easy. >> self-repairing, self-replicating, lasts for hundreds of years, runs on very little fuel. >> even basic human movement can be hard to copy with bones of steel. >> is t is the holy grail to talk and draw, force control that you can get from human muscles. >> creators expect companies rather than consumers to be the first to hire amica. >> lake a protection maybe in a hotel, shopping malls or airports. >> if am uka gives you hollywood vibes, her makers insist this isn't the beginning of our demise. he she can't even walk, yet. >> the idea of a rogue robot with a gun is just kind of crazy. >> in fact, amica and her robotic relative-- prefer to turn on the charm rather than turn on us. >> ian lee, cbs news, falmouth,