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Laser Labs Race for the Petawatt

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Science  11 Jul 2003:
Vol. 301, Issue 5630, pp. 154-156
DOI: 10.1126/science.301.5630.154

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Four years after the world's most powerful laser was dismantled, about a dozen similar beams are set to fire for the record books. Their work will affect research on everything from fusion to astrophysics.