In 1654, Otto von Guericke invented the very first vacuum pump[twenty] and performed his renowned Magdeburg hemispheres experiment, exhibiting that, owing to atmospheric force outdoors the hemispheres, groups of horses could not individual two hemispheres from which the air had been partly evacuated. Robert Boyle improved Guericke's design and with http://kylerxbdbz.dbblog.net/25311965/facts-about-vacuum-arvada-revealed