You may think medical apps and 3D tissue printing are pretty cool medical technologies, but these nano-robots are some stiff competition. These tiny robots can self-assemble and have serious medical potential: If they make it past the research phase, doctors might one day use them to transport treatments to highly specific places in the body, remove particles for study, and more. In this video, one little micro-robot shows off its super-strength by picking up and carrying a glass bead four times its weight.
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