LHC now colder than deep space
(PhysOrg.com) -- The LHC (Large Hadron Collider) is once again colder than deep space as it is prepared for experiments to resume in late November.
The LHC's eight sectors have all been cooled to 1.9 kelvin (-271 C, or -456 F) using cryogenic lines containing liquid helium. This operating temperature is colder than conditions in deep space, which is estimated to be 2.7 K. Zero K is the lowest temperature possible.
The magnets that bend particle beams around the LHC need to be this cold because at these low temperatures they become superconductors, channeling electric current with almost no power loss, and with zero resistance.
Lees verder: http://www.physorg.c...s175243758.html
Lhc weer kouder dan de ruimte
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