Through Two Doors at Once

Many great scientific minds have grappled with the 'double slit' experiment. Thomas Young devised it in the early 1800s to show that light behaves like a wave and in doing so opposed Isaac Newton's view that light is made of particles. But then Albert Einstein showed that light comes in quanta or particles. Thus quantum mechanics was born. This led to a fierce debate between Einstein and Niels Bohr over the nature of reality-subatomic bits of matter and its interaction with light-as revealed by ...See More