Tiny robots that swim through our blood vessels attacking viruses and malignant cells have not quite crossed the line that separates science fiction from science--but there might be a way to jump-start their development.
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Feed SubscriptionSwimming led to flying, physicists say
(PhysOrg.com) -- Like a fish paddles its pectoral fins to swim through water, flying insects use the same physics laws to "paddle" through the air, say Cornell physicists.
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