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 51¶¯Âþ
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 51¶¯Âþ