The LHC consists of a 27 - kilometre ring of superconducting magnets with a number of accelerating structures to boost the energy of the particles along the way. (home.cern)
«It consists of a 27 - kilometer [about 17 - mile] ring of superconducting magnets with a number of accelerating structures that boost the energy of the particles along the way.» (newsweek.com)
In a study in the journal Nature researchers created a «pseudo gap,» in which electrons in superconducting materials line up just before flowing resistance - free. (scientificamerican.com)