Ultra-thin, it can transform infrared light into visible light by halving the wavelength of incident light. Skip to main content Your source for the latest research news ...

A green laser pen works according to this principle: infrared light goes through a high-quality crystalline material and generates light of half the wavelength—in this case green light.

The Allison family's annual Christmas light show on Sandy Creek Road is facing potential legal action from neighbors concerned about traffic and emergency access. But the family says it works with ...

Because of all the feelings people have expressed along the way, I wanted to give everyone a quick update on our family: we have taken our Christmas lights down. It was not an easy decision to make.

Using optical tweezers composed of laser light, researchers have developed a novel way to manipulate individual atoms and create a state of hyper-entanglement. This breakthrough could lead to new ...