Many science fiction and fantasy stories are enveloped in a warm glow, and it’s not just because of nostalgia. Some characters literally glow — from ET’s fingertip to the demon markings in this year’s ...

Researchers in Konstanz discovered a way to manipulate materials with light by exciting magnon pairs, reshaping their magnetic “fingerprint.” This allows non-thermal control of magnetic states and ...

Light typically interacts with a material the same way whether it enters through the front or the back—like polarized ...

People are buying helmets, face masks, vests and beds that emit long-wavelength light. Beneath the hype, there is some interesting biology. In 2021, dermatologist David Ozog was on holiday with his ...