Julius von Bismarck, a German artist who was once arrested for whipping the Statue of Liberty, won a Cern residency in March. For his work Dark Space, he led 22 physicists in total darkness through the winding tunnels underneath Cern, eventually locking them in a small dark space, where they listened to an old recording of the philosopher Bertrand Russell discussing Plato. Many scientists saw bright flashes of colour in the dark.