Earlier, and perhaps more basic, LED masks usually provide just one primary colour treatment mode, such as red or blue, ...

As a result, purple and magenta are known as "nonspectral" colors, because they don't really exist as actual electromagnetic ...

Imagine a computer that does not rely only on electronics but uses light to perform tasks faster and more efficiently. A ...

What is ultraviolet light, and where does it come from? Learn how UV radiation is classified, measured, and used in medicine, ...

Imagine supercomputers that think with light instead of electricity. That s the breakthrough two European research teams have ...

Unlike typical infrared night-vision goggles, these contact lenses do not require a power source — and they enable the wearer to perceive different infrared wavelengths that show up in various ...

A research team led by SUTD has created nanoscale glass structures with near-perfect reflectance, overturning long-held ...

Nick Stone discusses some of the many ways in which light can be used for diagnostic and therapeutic applications ...

Optical fibers with a hollow core, made of air instead of solid glass, are known as hollow-core optical fibers. In comparison ...

Inspired by squid skin, scientists developed smart materials that shift color and infrared light - opening new paths for ...

Swiss scientists have developed perovskite image sensors that triple light capture, sharpen resolution, and outperform ...