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      Scientific American July 1991

      Silicon Lights Up

      Researchers tease silicon into emitting light

      • By Elizabeth Corcoran

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      More in the July 1991 issue of Scientific American
      • 50 and 100 Years Ago: July 1991
      • Insectoids Invade a Field of Robots
      • Proteins 2, Malaria 0
      View Full Contents
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