Searching for Susy: collider to push physics frontier Excitement is mounting at the world's largest proton smasher, where scientists are close to launching a superpowered hunt for particles that may change our understanding of the Universe.Physicists and engineers are running the final checks on an upgrade that nearly doubled the muscle of the Large Hadron Collider (LHC), which in 2012 unlocked the Higgs boson and, with it, a Nobel Prize. IMAGES AND SOUNDBITES.