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
PhysicsWe just figured out why shaving soft hair blunts steel razor blades Cutting soft materials like hair can blunt even the sharpest blades surprisingly quickly, and now we know why – offering clues to designing longer-lasting razors News