How was atmospheric pressure discovered?
October 23, 2020 | Education|
Atmospheric pressure was discovered in the 17th century by the Italian scientist Torricelli, using a mercury barometer, Torricelln collected mercury in a glass tube, clamped the open ends of the tube with his finger and immersed it in a vessel filled with mercury. Some of the mercury poured out of the tube, the remaining mercury formed a 76 cm column. The reason for this is the atmospheric pressure, which prevents mercury from pouring out of the tube.
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