Add Yahoo as a preferred source to see more of our stories on Google. Lectrofan makes a small bedside noise machine that emits a variety of different "colors" to help you sleep. If you need the whirl ...

You may have heard of white noise used to mask background sounds. Now, it has colorful competition. There's a growing buzz around pink noise, brown noise, green noise -- a rainbow of soothing sounds - ...

When it comes to the spectrum of colors, light is often talked about. Different shades represent different frequencies. However, surprisingly enough, one other medium also offers a spectrum of colors.

You may have heard of white noise used to mask background sounds. Now, it has colorful competition. There’s a growing buzz around pink noise, brown noise, green noise — a rainbow of soothing sounds — ...