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 ...