From the most distant stars in the sky to the screen in front of your face, light is everywhere. But the exact nature of light, and how it travels, has long puzzled scientists. One question in ...

Ultraviolet-B (UV-B) semiconductor lasers are highly sought for medical, biotechnology, and precision manufacturing ...

Scientists at the X-ray free-electron laser SwissFEL have realized a long-pursued experimental goal in physics: to show how ...

The global Wave of Light event is recognized on Oct. 15, annually to remember all babies that passed away too soon. Since 2003, Baby Loss Awareness Week has honored the lives of babies lost during ...