Toriccelli also went on to develop the mercury barometer, an instrument used to measure atmospheric pressure. A barometer also monitors variations in atmospheric pressure. As air becomes thinner ...

This segment originally appeared in today's edition of the Morning Brief newsletter. Sign up here to get weekday updates from The Weather Channel and our meteorologists. A barometer is a tool ...

Learn what blood pressure numbers mean, discover proven ways to maintain healthy levels, and understand when to seek medical ...

This leads to the invention of the barometer, which measures atmospheric pressure (a measure of the pressure exerted by the atmosphere on a surface). 1646: Pierre Petit tests Blaise Pascal's ...

Barometers measure atmospheric pressure, so you can get a general sense of what's going to happen by whether a barometer ...

This edition of weather tidbits will be discussing how to make your own barometer, which is a weather instrument that measures air pressure. Materials needed for this experiment include a glass jar, a ...

Considering how this might impact his cardiovascular health, he decided to make a relative pressure barometer out of a jar to help him decide whether he should really have another cup of coffee.

While both can produce anything from snow and rain to thunderstorms, one of them also helps hurricanes generate their ...