Vacuuming the ATLAS detector

One hundred scientists and engineers recently gave the ATLAS detector a deep cleaning in preparation for the Large Hadron Collider restart. No, they’re not Ghost Busters looking for paranormal activity. Nor are they the last human survivors of a zombie apocalypse living in a complex underground society. The people crawling around the ATLAS detector at the Large Hadron Collider with packs on their backs are particle physicists armed with vacuum cleaners and trash bags. They're moving through a ...