what is made at the lhc
A view of the LHC tunnel. Image Â© CERN. The Large Hadron Collider is a particle accelerator. Basically, it's a 27km long ring-shaped tunnel made mainly of superconducting magnets which sits 100m underground.It's situated close to Geneva, on the border between France and Switzerland.he Large Hadron Collider is a particle accelerator. Basically, it's a 27km long ring-shaped tunnel made mainly of superconducting magnets which sits 100m underground.