A 2012 experiment in which it seemed you could detect interference and also get information about the photon’s path seemed to contradict mutual exclusiveness of wave and particle properties. A new paper by Eliot Bolduc of the University of Ottawa in Canada, with Robert Boyd of Ottawa and the University of Rochester in New York and other collaborators, reanalyzed the challenge and found a flaw. (link)
New analysis rescues quantum wave-particle duality
