The flight analogy, or at least some variation of it, is pretty standard in my experience. (Incidentally, I heard a version of the analogy just recently, when I was reading through the slides of an old university course—see pages 15-19 here.)
The flight analogy, or at least some variation of it, is pretty standard in my experience. (Incidentally, I heard a version of the analogy just recently, when I was reading through the slides of an old university course—see pages 15-19 here.)