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The “smallest-ever” remote-controlled robot is crab-shaped
Researchers at Northwestern University have created a tiny, remote-controlled robotic crab, half a millimeter wide, that walks, turns and jumps.
They claim that the robot crab is the smallest robot ever made.
A glimpse into the future of robotics, when microscale devices could be used to perform tasks in tight spaces, including the human body.

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Northwestern University spawns “smallest-ever” robot crab