We all know what distortion sounds like. We’ve heard it in heavy metal tunes, cheap iPod docks and the crummy speakers at Taco Bell drive-thrus. And we’ve all read distortion specs on things like ...

Monsieur Fourier did an amazing thing when he figured out how to move between time and frequency domains. Scopes are inherently time-domain instruments, so let's see how much our eyes can tell us ...