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The Quintessential Universe

The universe has recently been commandeered by an invisible energy field, which is causing its expansion to accelerate outward

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Paul J. Steinhardt is Albert Einstein Professor in Science at Princeton University and director of the Princeton Center for Theoretical Science. His research spans problems in particle physics, astrophysics, cosmology and condensed matter physics.

More by Paul J. Steinhardt
Scientific American Magazine Vol 284 Issue 1This article was originally published with the title “The Quintessential Universe” in Scientific American Magazine Vol. 284 No. 1 (), p. 46
doi:10.1038/scientificamerican0101-46