An Animated Explanation of How Barometers Work

Educator Asaf Bar-Yosef talks about the history of barometers and what makes them work in this TedEd lesson animated by Mara Fradella.

A barometer is an instrument that measures air pressure, allowing weather forecasters and scientists to better predict extreme weather events. Despite its incredible usefulness, inventing the barometer was no walk in the park.

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