The smallest remote-controlled robot – only 0.5 mm in diameter (video)

Scientists at Northwestern University in Illinois have demonstrated the smallest remote-controlled robot, measuring only 0.5 mm in all axes. With its tiny dimensions, it can walk, jump, turn and bend – without the use of hydraulics or electricity. thin glass cover. When heated, the alloy returns to its original shape, and when cooled, the glass coating re-deforms. Heating is carried out using a laser, and due to the miniature size of the mechanism, heat dissipates very quickly: up to 10 cycles in 1 second.

The direction of the laser beam determines the direction in which the robot moves, and its average speed is about half the length of the body per second. The authors of the project experimented with several forms of mechanism, including a tripod that can walk on water, spiral limb structures that allow robots to jump, and some other options that allow for other movements.

Chapter research group, Professor John Rogers (John A. Rogers) said that in practice, such robots can be used both in industry, in the repair and assembly of complex structures, and in medicine – to stop bleeding and remove tumors. True, in some cases it will be necessary to solve the problem of where and how to position the laser.

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