News FocusTheoretical Physics

Physics Enters the Twilight Zone

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Science  23 Jul 2004:
Vol. 305, Issue 5683, pp. 464-466
DOI: 10.1126/science.305.5683.464

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Summary

Parallel universes have launched a thousand bad science-fiction plots. Now mainstream physicists and cosmologists are arguing that they are both useful and, in an infinite cosmos, inevitable.