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'Smart Dust' Could Lead to Tiny Robots

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SAN DIEGO, Calif., August 28 -- Chemists have developed minute grains of silicon, or "smart dust," that spontaneously assemble, orient and sense their local environment, a first step toward the development of robots the size of sand grains that could be used in medicine, bioterrorism surveillance and pollution monitoring. In a paper to be published in September in the Proceedings of the National Academy of Sciences, which will appear in the journal's early on-line edition this week, Michael Sailor, a professor of chemistry and biochemistry at the University of California, San Diego (UCSD),...Read full article

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    Published: August 2003
    Basic Sciencechemicalsminiature devicesNews & FeaturesrobotsSensors & Detectorssmart dustUCSDUniversity of California San Diego

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