Quantum technologies are considered key technologies of the future. However, research in this field requires not only scientific expertise but sometimes also highly specialized laboratory conditions.

Once cooled, the laser light has to give the bead a bit of a kick in just the right way to entangle the two. This is done by ...

Higher levels of exposure to artificial light at night were linked to increased stress-related activity in the brain, inflamed arteries and a higher risk of heart disease, according to a small study ...

A light-year is how astronomers measure distance in space. It’s defined by how far a beam of light travels in one year – a distance of six trillion miles. Think of it as the bigger, badder cousin of ...

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 ...

It is International Dark Sky Week, an annual event when stargazers around the world raise awareness of our diminishing night sky. In many bustling cities and towns, bright lights from towering ...

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 ...

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 ...

The light-year is an indispensable unit of measurement for anyone trying to understand outer space. Get a group of astronomers talking, and you’ll hear them say “light-years” about as often as you ...