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      Scientific American April 1996

      A Smattering of Antimatter

      Physicists hope to get antihydrogen to live longer than 40 nanoseconds

      • By Philip Yam on April 1, 1996

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      More in the April 1996 issue of Scientific American
      • Changing to Stay the Same
      • In Brief, April 1996
      • Rocking Rocks
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