Graduate student John Amend, left, and associate professor Hod Lipson with the universal robotic gripper. Watch the gripper in action. Robert Barker/University Photography
The human hand is an amazing machine that can pick up, move and place objects easily, but for a robot, this "gripping" mechanism is a vexing challenge. Opting for simple elegance, researchers from Cornell, the University of Chicago and iRobot Corp. have created a versatile gripper using everyday ground coffee and a latex party balloon, bypassing traditional designs based on the human hand and fingers.
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