Robotic Hand May Be Tiny, Has Strong Grip

Scientists have developed a pair of robotic hands that are both strong and sensitive. The tweezers can guide themselves to pick up and move individual cells without damaging them, and have a grip that can be as slight as 20 nanoNewtons of force. In fact, so advanced are the little grippers, that they can be hitched up… » 4/17/08 12:00pm 4/17/08 12:00pm