By directly communicating with the brain, a new wireless device could someday help restore lost senses or manage pain without medications, its developers say.

LEDs are small but powerful components that light up everything from phone screens to flashlights. In this video, you'll learn how a tiny chip inside an LED converts electrical energy into light using ...

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

Using ultracold atoms and laser light, researchers recreated the behavior of a Josephson junction—an essential component of ...

This easy-to-build walking reindeer can be constructed with only a bow motor, battery, wires, and a few other parts.

Modern life runs on light. Fiber-optic cables move data across continents, lasers guide surgeries, and photons sit at the ...

Here’s a fun build from [RootSaid] that is suitable for people just getting started with microcontrollers and robotics — an Arduino-controlled two-wheeled robot. The video assumes you ...

Most people use red light therapy 2-5 times a week for 10-20 minutes. You can use red light therapy to increase melatonin and improve your sleep. Do not use red light therapy for longer than 30 ...