A popular science YouTuber and author came up with a really engaging way of teaching a little bit about the fluid dynamics of a gas pump ... of cranks (pumps) they made with the handle to ...

When the air pressure inside the pipe is low enough, the gas climbs up into the dispenser. It starts when the customer removes the pump handle from the dispenser. This action activates a switch ...

It starts when the customer removes the pump handle from the dispenser. This action activates a switch that starts the flow of gas. As the gas level rises in the car’s gas tank, the distance ...