People are buying helmets, face masks, vests and beds that emit long-wavelength light. Beneath the hype, there is some ...

Imagine a world without internet, email, streaming services or social media. Imagine having to write letters or call everyone ...

Red light therapy has gone from dermatology clinics to the wellness world, promising everything from younger-looking skin and thicker hair to weight loss, pain relief, better sleep, and even improved ...

Scientists have pulled off a feat long considered out of reach: getting light to mimic the famous quantum Hall effect. In their experiment, photons drift sideways in perfectly defined, quantized steps ...