We have some vending machines at our office, in a small alcove off the development area — the kind that have the snacks lined up between spiral rods, so when you buy something, the appropriate rod rotates and the snack drops down for you. This is obviously a horrible design for a couple of reasons: I don’t want my M&Ms dropped from a height because it breaks them; and Sometimes the packaging of the snack gets hung up on the rod and the snack doesn’t drop. When that happens, the victim usually rocks the machine back and forth trying to dislodge the snack. This often works, but not on the first couple of tries. It also makes an incredible racket. I’ve heard that vending machines are extremely top-heavy and tip over easily, but so far — despite my fervent hope that someone will be mashed flat as a lesson to… Read more →