In this project I did a Christmas jumper with rgb LEDs, this can also be a creative clothing project or whatever you want, it ...

A new optical device allows researchers to generate and switch between two stable, donut-shaped light patterns called ...

A YouTube builder shows off how he created an Arduino board that's 7x larger than the real thing... powered by a hidden ...

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 ...

Researchers at the University of Waterloo have developed a system that allows humans to ...

LED bulbs offer some big promises, like energy savings and lights that will last for years of use without burning out like old incandescents. With a recent CNET survey finding that 70% of US adults ...

In use, lower light intensities favor more ordered crystalline regions, while higher intensities suppress crystallization, yielding softer, more transparent material. By projecting grayscale patterns ...

Arduino test code is run to see if the sensors are working properly, with built-in LED flashing when the sensor is triggered, ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Rory Evans Rory Evans is a writer focused on skin-care and beauty products.

The Northern Lights are putting on a show for Martin Luther King Jr. Day, delivering a beautiful display of light across several U.S. states. Here's how to watch the aurora borealis this week.