Housed by a 4 m diameter tunnel of 27 km circumference, with huge underground labs and numerous surface facilities, and set up with a precision of 0.1 mm per kilometer, the Large Electron-Positron Col
The Large Hadron Collider is the largest particle accelerator in the world, a 27-kilometre ring of superconducting magnets in a tunnel 100 m beneath the Franco-Swiss border at the CERN research labora