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.
Jim Gensheimer/Greg Stewart/SLAC National Accelerator Laboratory
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Catching up to Electrons on the Move
A prototype section of the proposed Cool Cooper Collider beam tunnel.
Catching up to Electrons on the Move
A prototype section of the proposed Cool Cooper Collider beam tunnel.
Deep inside rocky planets like Earth, the behavior of iron can greatly affect the properties of molten rock materials: properties that influenced how Earth...
