NASA’s SPHEREx mission will survey the entire sky in 102 different “colors” of light, offering scientists an unprecedented ...

Military submarines use red light instead of fluorescent or other light types for specific, scientific reasons. Here's everything you need to know.

“Red light is very unique because it sits at the very end of the spectrum, which means it has the longest wavelength and it ...

Each type of light has a different wavelength and frequency. Understanding the electromagnetic spectrum is important because it allows us to see and communicate with each other. Without it, we ...

Within the colours of visible light, red is the longest wavelength and violet the shortest ... duration of light emission after the electron has been “excited”. In fluorescence, the glow ...