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      Scientific American September 2004

      A Cosmic Conundrum

      A new incarnation of Einstein's cosmological constant may point the way beyond general relativity

      • By Lawrence M. Krauss, Michael S. Turner

      This is a preview. Make a selection below to access this issue.Already have access? Sign in.

      More in the September 2004 issue of Scientific American
      • Existential Terroir in Northern California
      • Was Einstein Right?
      • Paleolithic Pensioners
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