Since being switched on and then switched off 9 days later back in September 2008, the Large Hadron Collider has been undergoing investigation and repair to the electrics and magnets that keep the beams of protons on track as they hurtle around the track… more »

Activities at CERN have hit a set-back after a failure in a section of the LHC forced the experiment to be halted this weekend. A leak of liquid helium into part of the tunnel caused the superconducting magnets that keep the proton particles on track… more »