Here is a clever set of swimming robots that can heal themselves magnetically on the fly after breaking into pieces. Researchers at University of California San Diego developed these 2D self-healing swimmer robots with autonomous propulsion. As they explain:
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Incorporation of magnetic Nd2Fe14B microparticles in specialized printed strips results in rapid reorientation and reattachment of the moving tail to its complementary broken static piece to restore the original swimmer structure and propulsion behavior.
Robot, heal thyself
[HT]
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