Learn more› By Kaitlyn Wells and Zoe Vanderweide If you believe the hype, blue-light blocking glasses will prevent headaches, decrease eyestrain, and help you sleep like a baby. But do they work?

In new research, physicists have theorized a bold way to change it up by entangling two particles of very different kinds – a unit of light, or a photon, with a phonon, the quantum equivalent of a ...

Whether you’re looking to zap breakouts with blue light, smooth fine lines with red light, or calm irritation with yellow light, the tech has something to offer. Think of it as mood lighting ...