Photo: UPDATE: Restarted LHC Sees First Collisions



An engineer peers at damaged magnets inside the Large Hadron Collider on December 11, 2008—almost a month after an electrical glitch stopped the first attempt at sending a beam of protons around the world's largest particle accelerator.

After more than a year of repairs, physicists now have both beams of protons stable and circulating though the collider's main ring, LHC managers announced on November 23, 2009.

Photograph courtesy Maximilien Brice, CERN


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