When we look at ourselves in a mirror, we see a virtual twin, identical but with left and right inverted. Charge-parity (CP) is the equivalent of a mirror for fundamental particles. If the symmetry was respected in nature, each particle would see a c…

From time to time, we need to take our cars in for a checkup to make sure everything is up to speed, and here we check up on how well our CMS detector is working. The CMS detector is one of the main detectors at the Large Hadron Collider (LHC) at CER…

How an evacuation of the CMS experimental cavern has provided invaluable human behaviour data to improve the emergency preparedness for complex underground facilities. CERN and CMS strive for excellence in safety matters, with a commitment to contin…