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      Digital & 4-Year Archive

      Scientific American August 1993

      "I'll Trade you a Wallaroo for an Aardvark..."

      • By Gary Stix on August 1, 1993

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      More in the August 1993 issue of Scientific American
      • A Universe of Color
      • Domesticating Cyberspace
      • Faster than Light?
      View Full Contents
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