If you happen to be in the market for a small artificial sun, you may be interested to know that for about $1300, you can get a tennis-ball-sized LED array that outputs 120,000 lumens.

DigiKey plans to highlight new products, technical demonstrations and prize opportunities from its booth. “DigiKey is excited to connect with engineers, designers and makers at embedded world 2026,” ...

Photocatalysts facilitate chemical reactions by absorbing light. Metal-based photocatalysts are widely used in organic ...

Tucson’s skies are slightly darker thanks to the completed streetlight conversion project, according to a study by the Tucson-based International Dark-Sky Association. The study, however, was limited ...

After 16 weeks of testing, we noticed visible results. Here are our favorite red light therapy devices for hair growth.

Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.

The high-tech device only requires a 10-minute session each day—here are my honest thoughts of it’s worth the buy.

The WS2812B has become one of the most popular addressable LEDs out there. They’re easy to drive from just about any ...

One of the problems with being a graffiti artist is that you have to carry around a different spray can for each color you intend to use. [Sandesh Manik] decided to solve this problem by building ...