18-04-2020 12:05 via pittsburgh.cbslocal.com

Hey Ray! Powerful Pressure And Its Importance

PITTSBURGH (KDKA) — Atmospheric pressure is a major part of meteorology, and it is always around us.
The atmosphere presses down at nearly 15 PSI. That is “Pounds Per Square Inch”.
This means that every square inch has nearly 15 pounds of pressure on it — more than the weight of a bowling ball.
We don’t notice this pressure, unless it is lesser, or gone.
When the pressure drops, like when traveling up a mountain, your ears begin to “pop.”
This is because
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