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

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

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 ...

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

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

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

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

Could Mysterious Black Hole Burps Rewrite Physics?

Finally, the tellurium meshes, especially the infrared vision capability they offered, were tested on healthy macaques, an ...

Sir William Huggins directed his reflector, equipped with spectroscopic and photographic tools and located in his private ...