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Submission Robotic hands grip without fingers->

sciencehabit writes: Physicists have designed a robotic hand that doesn't have fingers, yet can still serve drinks and draw pictures. The hand is a thin rubber sack filled with coffee grains or small glass spheres. When it comes in contact with an object, a small pipe sucks air from the sack, causing it to contract and mold to the object's shape. As long as the gripper can fold about one-fourth of the object's surface, it can pick up just about any shape thrown in its path. (video included)
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Robotic hands grip without fingers

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Dinosaurs aren't extinct. They've just learned to hide in the trees.