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12ni Nelson \described\this inew design ylast yearV in the journal Nature
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6Nelson's \ soft-bodied microswimmer\ isn'ts the bonly hano-medic that
researchers are/ building. Some at Drexel University in Philadelphia, Penn,
created a different type to bring cancer-killing medicine to tumors.o 229ndoid
So One challenge to designing robots that will go inside the bodylis\ powering
B
them. These robots are too small to carry an lengine or battery pack, notes
Min Jun Kim, who led the Drexel team.
9nol oirt 9dil l9st bluow
t2gi Kim is a mechanical engineer\(He now works at\Southern Methodist