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 ...

If you follow audiophile reviewers, you’ll know that their stock-in trade is a very fancy way of saying absolutely nothing of quantifiable substance about the subject while sounding knowledgeable ...

This image of an Aggressors F-16 provides an opportunity to see heat distortion “at work” and compare it to shock wave distortion. Here’s another stunner. The image in this post was taken on Dec. 20, ...

At one time, almost all electrical loads were linear — those that weren't made up such a small portion of the total that they had little effect on electrical system operation. That all changed, ...