Consider for a moment the humble gas pump nozzle. We all use them, but just about all of us do not know how a gas nozzle works or, more specifically, how a gas nozzle knows when to shut off. After all, a gas nozzle ain’t got no brain, does it? Believe it or not, the gas pump shut off process is rather complicated using something called the Venturi effect. Yeah, I did not know what that was either until I watched this cool video by BrainStuff – HowStuffWorks.
Unbelievable. Want another video like that? Check out the one below.