Venanzio Cichella and Caterina Lamuta, mechanical engineering assistant professors at the University of Iowa, have created a robotic device to give people with limb impairment a wider range of motion. Right now, the pair is focused on the upper limbs and their first prototype increases mobility in the wrist.

The device, which can be powered with a small battery, is designed to fit over the hand and wrist like a glove, and uses artificial muscles made from carbon fibers. The muscles can lift 12,600 times their weight, and a lot of these artificial muscles can be used to reproduce the arrangement of human muscle.

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