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 ...

1644: Italian physicist Evangelista Torricelli demonstrates the principles of the mercury barometer, an instrument he invented the previous year. In 1641, Torricelli was working as an assistant to ...

It happened 375 years ago. Evangelista Torricelli, a student of Galileo, invented the mercury barometer in 1643. And surprisingly, it was amazingly similar to the mercury barometers in use today.

It happened 375 years ago. Evangelista Torricelli, a student of Galileo, invented the mercury barometer in 1643. And surprisingly, it was amazingly similar to the mercury barometers in use today.

A barometer is a tool meteorologists use to measure atmospheric pressure, which is defined using millibars (mb). The layers of air in the Earth’s atmosphere has weight to it - which is pulled toward ...

KNOXVILLE, Tenn. (WATE) — In this week’s weather school, we’re going to talk about a device used to measure atmospheric pressure. The amount of air over us is constantly changing and, as a result, the ...

1644: Italian physicist Evangelista Torricelli demonstrates the principles of the mercury barometer, an instrument he invented the previous year. In 1641, Torricelli was working as an assistant to ...