PhysicsUltracold atoms can work together to shape or steer light When a collection of atoms is cooled to just above absolute zero, they can act as one, and control light through their electrical and magnetic interactions with it News
PhysicsWorld’s thinnest mirror is made from a single layer of rubidium atoms Cooling rubidium atoms and slowing them down makes them behave like a mirror that could one day be used to explore the quantum world News