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      Knowledge is Power

      Scientific American April 1993

      Light Motif

      An optical computer stores its program in space-time

      • By W. Wayt Gibbs on April 1, 1993

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      More in the April 1993 issue of Scientific American
      • Cavity Quantum Electrodynamics
      • Modern Humans in the Levant
      • The Evolution of Virulence
      View Full Contents
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