They’re in your phone, TV, car headlights, remote controls—even traffic lights. LEDs (Light Emitting Diodes) are everywhere.

Critica Ltd has identified a high-value opportunity within its Jupiter rare earths deposit in WA, confirming gallium oxide as ...

Smart glasses may finally be ready for prime time, thanks to a pixel smaller than a human hair. Physicists at Julius-Maximilians-Universität Würzburg (JMU) have created the world’s tiniest ...

A deep blue organic light-emitting diode (OLED) developed by researchers at Science Tokyo operates on just a single 1.5 V, overcoming the high-voltage and color-purity problems that have long limited ...

This illustration depicts the QAO family dopant integrated into the organic light-emitting diode structure. By designing a molecule with a lower HOMO level than that of the host material, the ...

We might tend to take the word “diode” for granted if we’re thinking of a “diode” as just a two-lead or two-terminal device that gets used in this or that place for this or that purpose. It can become ...

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 ...

Dhananjay Gadre] happened across a useful little trick the other day. Take any old 1N4148 or 1N914 glass-package signal diode ...

A handpicked article read aloud from the latest issue of The Economist. Short days and fading sun bring more than just cold weather. Bright light therapy may offer a surprisingly simple way to ease ...