Gain, Level, Volume...aren't they the same thing? Everybody knows a volume control makes your music louder (or quieter), so why do there seem to be so many different ways to describe it?  If you're used to dubbing, or if making mixtape cassettes was your thing, you may remember ''level'' has something to do with volume. If you're into car ...

If you're like most people, when you hear the word ''gain,'' what probably comes to mind is something along the lines of, ''to get more, or increase in amount, magnitude, or degree.'' For a very old word, the definition of gain hasn't changed much throughout history and (surprisingly)  the electrical definition is pretty darn close to ...