Lectrofan makes a small bedside noise machine that emits a variety of different "colors" to help you sleep. If you need the whirl of a fan to fall asleep, you're not alone. Many people use white noise ...

We've all heard of white noise, best known at one point for the snow on our television sets when the cable was out. It's the most popular of all the colors of noise out there, often on sound machines ...

Beyond light, noise also possesses a spectrum of colors, each with a unique frequency profile. These 'colors of noise,' like white, pink, and brown, are used in technical applications and emerging ...