When you push “start” on your microwave or computer, the device flips right on – but major physics experiments like the Large Hadron Collider at the European Organization for Nuclear Research, known as CERN, don’t work that way. Instead, engineers and physicists need to take a few weeks every year to carefully reset the collider and all the experiments on it. I’m a CERN physicist who worked with my colleagues in the past few months on the reset process of the largest of the experiments, ATLAS...