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A weasel has shut down the Large Hadron Collider

By sciencenews.org

CERN’s Large Hadron Collider is in standby mode after a 66-kilovolt/18-kilovolt electrical transformer suffered a short circuit April 29 at 5:30 a.m. Central European TimeThe culprit: A small wild animal, believed to be a weasel, gnawing on a power cable.

“The concerned part of the LHC stopped immediately and safely, though some connections were slightly damaged due to an electrical arc,” Arnaud Marsollier, who leads CERN’s press office, wrote in an e-mail to Science News.

Sadly, the weasel did not survive the event, but the LHC should be back online soon. “It may take a few days to repair but such events happened a few times in the past and are part of the life of such a large installation,” Marsollier writes. The power outage comes just as the LHC is preparing to resume collecting data.

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