Light can do more than illuminate a material. In some cases, it can temporarily change how electrons move through it. That ...

Quantum physicists are edging closer to a kind of controlled transmutation, not of lead into gold, but of one electronic reality into another. By steering exotic entities called excitons, researchers ...

Arthur Ashkin, Gérard Mourou and Donna Strickland share the 2018 physics Nobel for their work with lasers that have led to numerous practical applications, such as eye surgery. “The main practical ...