In a groundbreaking discovery, physicists have for the first time observed individual free-range atoms interacting in free space, confirming a quantum mechanical theory proposed over a century ago.

Kristian Camilleri is an associate professor of history and philosophy of science at the University of Melbourne, Australia, and author of Heisenberg and the Interpretation of Quantum Mechanics. In ...

It is rare for a scientific idea or theory to fundamentally change our perspective on reality. One such revolutionary moment is being celebrated in 2025, which the United Nations has declared to be ...

Physicists at MIT recreated the double-slit experiment using individual photons and atoms held in laser light, uncovering the true limits of light’s wave–particle duality. Their results proved ...