Portland State barometer reaches for the sky, and the record books Discarded glass pipes, off-the-shelf trusses and a vision propelled PSU instrument tech Tom Bennett to build a 40+foot barometer in ...

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 ...

Although it does not have the same charm as real mercury barometers with long glass tubes on pieces of carved and polished wood, the Torricelli barometer discussed here is a functional equivalent and ...