Why Does a Gas Nozzle Shut Off When Your Tank Is Full – How Does It Know?

How many times have you put gas in your car...hundreds, right? Have you ever stopped and wondered why the pump stops automatically when your tank is full? This is one of life's burning questions. Is it magic, some sort of weird phenomenon, or something else? Well, it's certainly something other than magic. Although after watching the below video explanation, as fascinating as it is, I kinda wish it was magic, but what a great icebreaker for an awkward first date, especially if you have to get gas after picking up your date. NOT!!!