The LHC does a dry run

Engineers have started the last step required before sending protons all the way around the renovated Large Hadron Collider. All systems are go! The the Large Hadron Collider’s operations team has started running the accelerator through its normal operational cycle sans particles as a final dress rehearsal before the restart later this month. “This is where we bring it all together,” says Mike Lamont, the head of CERN’s operations team. Over the last two years, 400 engineers and technici...