Through Two Doors at Once: The Elegant Experiment That Captures the Enigma of Our Quantum Reality

by Anil Ananthaswamy

Take, for instance, Bohr’s language that’s used to describe the double-slit experiment: if we don’t collect which-way information, the photon behaves like a wave; if we do, it behaves like a particle. “All that is complete nonsense,” said Carroll.