A research team from the University of Houston and Boston Children's Hospital debuted a novel new approach to internal medicine: using a swarm of tiny, noninvasive robots as a gauss gun to shoot medicine or clot-busting needles directly at the afflicted tissue. Much like rail guns,
gauss guns rely on a series of magnets to accelerate objects -- the
difference being that these guns transfer force through the magnets
themselves, converting the stored magnetic energy into kinetic.
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