One of the world’s most versatile robot hands doesn’t look like a hand at all. iRobot’s universal robotic gripper is an elastic ball filled with grainy materials – like a bean bag chair in miniature. That little ball is really compliant, it will ooze around almost any shape with ease. Once it surrounds an object all you have to do is suck the air out of it and presto, the gripper gets stiff in a shape that perfectly matches the object it surrounds. Lift and move things around, and when you’re done just restore the air to the gripper and it will release its hold. This thing is really cool to watch in action.
http://www.youtube.com/watch?v=0d4f8fEysf8
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