It won’t be long until we start sending fleets of tiny nanobots inside our bodies to deliver medicine and fix a few of the annoying problems that might otherwise cause irreparable harm and even death. But those robots might not have any metallic components if some researchers have their way. Instead, these fleets of robots …
. The bio-robots have skin and a heart muscle that lets them move around. They can self-heal if needed, and they can feed on certain nutrients and survive inside the host as long as there’s a specific source of food available.
“These are novel living machines,” University of Vermont computer scientist and robotics expert Joshua Bongard said. “They’re neither a traditional robot nor a known species of animal. It’s a new class of artifact: a living, programmable organism.” These xenobots could have uses in various fields, not just medicine. They could be used to access radioactive areas and clean them up and collect microplastics in oceans. And once they run out of the preloaded lipid and protein food, they’ll just self-destroy without leaving any waste behind. Or, at least, not the kind that you’d associate with nanorobots made of non-biological material.
The theoretical medical uses are more exciting, of course. Aside from unclogging coronary arteries, the robots could be used to explore other conditions. “If we could make 3D biological form on demand, we could repair birth defects, reprogram tumors into normal tissue, regenerate after traumatic injury or degenerative disease, and defeat aging,”
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