The first time I was in school for electrical engineering (long story), I had a professor who had never worked in the industry. I was in her class and the topic of the day was measuring AC waveforms.

If you're becoming an audio geek, there's a lot of terminology thrown around among audiophiles that may be a bit hard to follow without added context. If you're new to how music is recorded, mixed, ...

Square-root-calculating circuits find wide use in instrumentation and measurement systems for such tasks as calculating the rms (root-mean-square) value of an arbitrary waveform, for example. Hence, ...