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. ... Читать дальше »