Futuristic bionic arm helps amputees feel the sensation of touch and movement

Connecting the bionic limb directly connected to the brain allows for delivery of precise sensations tied to natural movements. Dreaming of a future where Luke Skywalker's replacement hand is more than a sci-fi fantasy, scientists have designed a "bionic arm" that enlists help from tiny robots to re-create the vital sensations forfeited when one loses an upper limb. The bots do that by safely vibrating muscles at the amputation site.
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