Everybody knows about white noise — that sound that comes out of your TV when it’s not working quite right. But there are many other colors of noise, too: pink, brown, blue, and purple. Marnie Chesterton brings us this story on the colorful science of sound.

A Rainbow of Noise was produced by Marnie Chesterton and mixed by Henry Hocking. It was hosted for this episode of Transistor by Genevieve Sponsler and mixed for Transistor by Erika Lantz.

Learn more: http://transistor.prx.org/2015/03/a-rainbow-of-noise/