AdvertisementLarge Hadron Collider Goes Back Online After 2-Year HiatusApril 05, 2015Scott NeumanfacebookEmailThe Control Centre of the Large Hadron Collider (LHC) at the European Organisation for Nuclear Research (CERN) in Prevessin near Geneva. The LHC has been turned on for the first time after two years of upgrades. (Reuters/Landov)