coondoggie writes "In the 1966 science fiction classic Fantastic Voyage, a tiny submarine with a crew of five is miniaturized and injected into a comatose man to surgically laser a blood clot in his brain and save his life. At this week's American Chemical Society Nanoengineering expert Joseph Wang detailed his latest work in developing micromotors and microrockets that are so small that thousands would fit inside this 'o'. Such machines could someday perform microsurgery, clean clogged arteries or transport drugs to the right place in the body. But there are also possible uses in cleaning up oil spills, monitoring industrial processes and in national security."
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