Physicists have forced light to behave like electrons trapped in a magnetic field, producing a quantized sideways drift that had never been observed in photons before. The experiment, carried out on ...

Astronomers around the world are calling for international agreements to limit the spread of satellite constellations in space, with warnings that light pollution at night from the satellites damages ...

New observation could provide way to increase the strength of interaction between light and matter, eventually leading to smaller lasers and other improved photonic technologies UNIVERSITY PARK, Pa. — ...

A laboratory setup shows yellowish and bluish light from two lamps shining on a metallic reactor. Deep-ultraviolet, infrared, and visible light shine on carbon dioxide and methane in a reactor, ...