US scientists celebrate the restart of the LHC

The Large Hadron Collider circulates the first beam of Run 2. Earlier today, the world’s most powerful particle accelerator began its second act. After two years of upgrades and repairs, proton beams once again circulated around the Large Hadron Collider, located at the CERN laboratory near Geneva, Switzerland. With the collider back in action, the more than 1700 US scientists who work on LHC experiments are prepared to join thousands of their international colleagues to study the highest-ener...