In what they are calling a step towards building microscopic robots, researchers from the University of Michigan have demonstrated how chains of self-assembling particles could act like tiny, electrically-activated muscles. Writing in the latest edition of the journal Nature Materials, chemical engineering professor Michael Solomon and his colleagues explained that these so-called “microbots” would be smaller than a grain of sand and could be especially beneficial to the medical and manufacturing industries. However, they noted that much work needs to be done before the machines can become a reality.
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