Earth's atmosphere surrounds the planet; it is the mixture of gases we breathe as air. As weather patterns move around, air particles may “bunch up” over a particular area. More particles mean ...

When your ears pop on an airplane as it climbs away from the airport or when you drive up into the mountains, you're experiencing a change in air pressure. A barometer measures that air pressure and ...

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A physics professor at a large university gave his class a one-question final exam. The question was: Explain how to determine the height of a skyscraper by using a simple barometer. One particularly ...

Barometers are devices that measure atmospheric pressure (also known as “air pressure” or “barometric pressure”). You can use these readings to predict the weather. For instance, high pressure ...