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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The iPhone 6, 6 plus and the iPad Air 2 added a barometer sensor. Ostensibly it is supposed to help the device better track your steps for the health app by knowing when you've gone up and down stairs ...

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 ...

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