What is red? Green? Blue? This may seem like a question too dumb to merit a moment’s contemplation. Understanding colors is the first step to understanding reality. Source: ElisaRiva/Pixabay The ...

Spectrometers are widely used throughout industry and research to detect and analyze light. Spectrometers measure the spectrum of light -- its strength at different wavelengths, like the colors in a ...

It's not easy being green. Scientists for years have made small red and blue lasers, but other colors, including green, have been a challenge. A team has now filled this technology gap by creating ...

Beyond light, noise also possesses a spectrum of colors, each with a unique frequency profile. These 'colors of noise,' like white, pink, and brown, a ...