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LCLS-II cooldown

LCLS-II cooldown

A half-mile-long stretch of tunnel in Menlo Park, California is now colder than most of the universe. It houses a new superconducting particle accelerator, part of an upgrade project to the Linac Coherent Light Source (LCLS) X-ray free-electron laser.

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The facility, LCLS-II, will soon sharpen our view of how nature works on ultrasmall, ultrafast scales, impacting everything from quantum devices to clean energy.

LCLS-II cooldown
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