A common misunderstanding about wave-particle duality

It’s an all-too-common misconception to think of light, electrons and other quantum entities as shape-shifters that can sometimes be waves, and other times particles, says science writer Philip Ball. Recent experiments that were widely reported as showing ‘particles morphing into waves’ reveal the problems of using classical concepts to describe quantum mechanics, he explains. “Wave-particle duality is not a property of the quantum world, but a flawed classical analogy for it.”