What a barometer measures is the weight of the air above it. The standard atmosphere will support a column of mercury nearly 30 inches high, so most barometer readings you see will be somewhere near ...

More than 400 years ago, an Italian fellow named Torricelli set out on a quest to prove air had weight. In doing so he developed the instrument we now call a barometer. The results of measuring this ...

MACON, Ga. — High pressure and low pressure systems dictate most of the weather in Central Georgia. To measure pressure in the atmosphere meteorologists use a barometer. If you split the word ...

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 ...