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New microscopic robots could one day be injected into human bodies


Scientists have created microscopic robots that could one day be injected into human bodies to perform surgery. They’re the first microscopic robots made of semiconductor components, according to their creators from Cornell University. This means they can be made to walk using standard electronic signals. Each robot has four legs comprised of tiny actuators, which are connected to patches of solar cells on the device’s chassis. When laser beams are shined on these patches, the legs bend to make the robot walk. [Read: 4 ridiculously easy ways you can be more eco-friendly] The robots also extremely small: about 5 microns thick (0.005 cms), 40 microns…

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