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Nature 443, 256 (21 September 2006) | doi:10.1038/443256b; Published online 20 September 2006; Corrected 21 September 2006

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That's no laser, it's a particle accelerator

Geoff Brumfiel

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Device mimics light source to speed up electrons.

Israeli physicists have turned a laser into a particle accelerator. Dubbed a paser — for particle acceleration by stimulated emission of radiation — the device accelerates bundles of electrons using the same principle as a laser.