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Ep 115 Altitude Sickness: Balloons though?

This Podcast Will Kill You

CHAPTER

How to Measure Atmospheric Pressure

Scientists of the early 17th century did not believe that air weighed anything or exerted any pressure. Evangelista Toricelli invented the first barometer, which is a tool to measure the level of atmospheric pressure. I am going to attempt to explain what Toricelli's barometer looked like and how it worked so that we can picture how air pressure changes. By the way, don't try this at home.

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