Recent research has found that might be a problem. Light exposure at night has been linked to higher rates of diabetes, ...

Quantum computers promise to tackle problems that are extraordinarily difficult for today's computers. But there is a major ...

Kaiwei Tang helped create the iconic Motorola Razr over 20 years ago. Now, 10 years into building Light, the startup behind the minimalist smartphone alternative Light Phone, he’s as surprised as ...

It’s in your physics textbook, go look. It says that you can either model light as an electromagnetic wave OR you can model light a stream of photons. You can’t use both models at the same time. It’s ...

One night over drinks at a conference in San Jose, Miles Padgett, a physicist at Glasgow University in Scotland, was chatting with a colleague about whether or not they could make light go slower than ...

Light therapy can be defined as exposure to daylight or specific wavelengths of light for a prescribed amount of time in order to treat seasonal affective disorder, acne, and a myriad of other ...

EDITOR’S NOTE: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...

A light sleeper is a person who wakes up easily, even if there are only small changes in the environment. Being a light sleeper can make it more difficult to get a good night’s sleep because a person ...