Vacuum pumps are everywhere—behind the scenes in air conditioning systems, hospital equipment, laboratories, and even some car engines.

Interestingly, the film-based vacuum pump is “able to pull a vacuum down to 300 millibars of pressure (30% of standard ...

The pumping of an engine’s pistons creates a vacuum in the cylinders, and that vacuum is filled by air drawn in through the intake system. If leaks develop in hoses or engine parts downstream ...