I'd imagine most high-school level physics teachers make those kind of jokes, I know mine did. I never really liked them, or things like this: http://xkcd.com/1

I'd imagine most high-school level physics teachers make those kind of jokes, I know mine did. I never really liked them, or things like this: http://xkcd.com/123/ http://xkcd.com/123/ Regarding the jocks, they're still struggling with the fact that words don't have meanings, as properties of the words themselves; let alone the secondary problem of the same word having drastically different meanings.