When sunlight hits clouds or other atmospheric particles, it scatters and becomes diffuse light. Unlike direct sunlight, ...

When millions of people turn off their lights for Earth Hour each year, something remarkable happens in the night sky above ...

I have to admit, this week's What's Up With That? query truly had me stumped. But it turns out blue streetlights are explainable, if not ideal.

The best at-home, FDA-approved red light therapy tools and panels for the face and body in 2025, according to editors, testers, and dermatologists.

An integrated light guide plate (LGP) with a functional structure for a longer diffusion length to decrease the thickness was proposed and designed for the large area direct-type LED backlight unit ...

With the ability to detect and amplify extremely weak electromagnetic signals without adding additional noise, masers have ...

Providing street and public lighting is one of the most expensive responsibilities of a municipality. This report presents lessons from a pilot LED project in Indonesia.

Red-light devices are all over social feeds and make enormous promises. From the many, we find the few that are actually worth your commitment, time, and money.

What is an LED face mask? First things first, what are these masks? Also known as LED light therapy masks, these skincare tools use light therapy to treat different skin conditions. "LED therapy ...

LED light strips may look great, but there are hidden drawbacks that many don't expect. Here is what to watch for and how you can combat them.

Alfalite, the exclusive U.S. partner of FOR-A America, launched of SKYPIX RGBW and IM, a new series of ceiling-mounted LED ...

The indirect illumination system with diffuse reflection light-emitting diode (LED) is widely applied in various fields that require high illumination uniformity. On the basis of the Lambertian ...