LHC swings back into action

Protons are colliding once again in the Large Hadron Collider. This morning at CERN, operators nudged two high-energy beams of protons into a collision course inside the world's largest and most energetic particle accelerator, the Large Hadron Collider. These first stable beams inside the LHC since the extended winter shutdown usher in another season of particle hunting. The LHC's 2017 run is scheduled to last until December 10. The improvements made during the winter break will ensure that scie...