Scientists make robots in all sizes, but did you know some are so small we can ingest them? Just how small can robots get?
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Ingestible Origami Robot
"In experiments involving a simulation of the human esophagus and stomach, researchers at MIT, the University of Sheffield, and the Tokyo Institute of Technology have demonstrated a tiny origami robot that can unfold itself from a swallowed capsule and, steered by external magnetic fields, crawl across the stomach wall to remove a swallowed button battery or patch a wound."
Scientists Test Out Tiny Robots Meant to Travel Inside a Human Body
"A team of researchers from the University of California has recently published a study describing the first successful tests, within a living creature, of nano-robots intended to carry and disperse drugs within the body."
Will Nanotechnology Soon Allow You to 'Swallow the Doctor'?
"Imagine a swarm of microscopic robots, so tiny that a teaspoon can hold billions of them.They are ready to be injected into the most delicate areas of a human body -- the heart and the brain -- to deliver drugs with extreme precision or work like an army of nano surgeons, operating from within."
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