What, 21 gigawatts? That’s way too many! You only needs 1.21 gigawatts to make it work! That guy was a jerk, but the lady featured in the discussion above should have known something was wrong, especially considering how widespread the “Back to the Future” 1.21 gigawatts references is these days.
This is a fairly old picture, but this is the first time I stumbled on it, and some of you have probably never seen it as well, so here you go.
[Via Imgur]