17th Century vacuum experiment. 1672 Dutch engraving of the German scientist Otto von Guericke (1602-1686) experimenting with vacuums. Von Guericke was a German scientist, inventor, and politician, best known for establishing the physics of vacuums. Image from 'Experimenta nova Magdeburgica de vacuo spatio', by Otto von Guericke, 1672.
June 29th, 2016
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