In this Hump Day Hydraulics (err, we mean Hump Day Pneumatics!) video, Josh Cosford and Paul Heney discuss vacuums—the perceived effect in which air seems to pull towards the object creating the vacuum.
As Cosford says, pressure likes to equalize, so ambient air pressure tries to move in to fill the space created by the increased volume.
Air is pushed towards the “vacuum” by the pressure of the atmosphere, and not sucked in by some pulling force, as can be seen in the accompanying graphic to the right.
Keep watching to learn more.
