Light therapy lamps mimic natural light to help boost mood, focus and sleep quality—and ease symptoms of SAD. Our editors ...

The method involves stitching together many thin “slices” of light reflecting off an object.

When it comes to coffee, most people have a drink of choice. For some people it’s iced or frozen coffee, while for others it’s a hot espresso drink. For many, it’s as simple as a choice between a cup ...

Red light therapy — also known as low-level laser therapy or infrared light — is an emerging non-invasive fat removal treatment. While it may sound too good to be true, proponents of red light therapy ...

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 ...

Researchers have built a paper-thin chip that converts infrared light into visible light and directs it precisely, all without mechanical motion. The design overcomes a long-standing efficiency-versus ...

A new optical device allows researchers to generate and switch between two stable, donut-shaped light patterns called skyrmions. These light vortices hold their shape even when disturbed, making them ...

The shorter daylight hours and reduced sunlight in the fall and winter mean less light exposure, which can make you want to hit snooze on your alarm clock and sleep all day. This case of the seasonal ...

For half a year, Joe Hollier has been living without a phone. At least, without anything you'd recognize as a phone. He carries around a pocketable device, the color of graphite, that makes calls and ...

If you're being woken up in the middle of the night by the flicking on and off of a sensor light triggered by a plant blowing in the wind, the chances are your neighbours are too. And not just your ...

Light microscopy does much what the name implies: visible light and magnifying lenses are used to view small objects. Light microscopes are the oldest form of higher quality imaging devices, dating ...