Horror Vacui - Home page - IMSS
Institute and Museum of History of Science The discovery of the weight of air, and the existence of the vacuum. A tribute to Evangelista Torricelli The vacuum exists and air has weight: these are the revolutionary concepts proved by the famous experiment of Evangelista Torricelli, performed in Florence in 1644. This discovery is the subject of a working exhibition, which reproduces the ...
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AIP Center for History of Physics