The origin of vaccum pump

The origin of vaccum pumps can be traced back to the Renaissance and gradually developed with scientific research on atmospheric pressure and vacuum phenomena.The follwing are the key historical milestones:

1.Early theoretical research

•Aristotle(4th century BC):Ancient Greek philosophers believed that "nature hates vacuum"(i.e.the theory of"nature fears air"),which influenced the long-term exploration of vacuum phenomena.

•Galileo(1565-1642):When studying the suction pump,Galileo found that the pump could not work when the water column exceeded 10 meters,and began to doubt Aristotle's theory.

2.Tory's vacuum experiment

•In1643,Evangerista Tori:Italian physicist Tori invented the mercury pressure gauge.He created the first artificial vacuum by putting a glass tube filled with mercury upside dowm in a conrainer containing mercury,proving the existence of atmospheric pressure.

3.The invention of vacuum pump

•Otto von Gelick(1602-1686):German physicist Gerrick invented the first mechanical vacuum pump in 1650.This is a device composed of piston and valves thay can extract the air in the container.

•Heproved the powerful power o vacuum through the famous "Madelberg Hemisphere EXperiment":after two metal hemispheres are pumped into a vacuum,they cannot be separated even by using a horse pull.

4.Modern development

•19th century:With the development of the Industrial Revolution,vacuum technology was gradually applied to the manufacture of steam engines,vacuum coatings and light bulbs,

•20th century:High-efficiency rotary wafer pumps,diffusion pumps,turbine molecular pumps,etc.were invented,which promoted the development of aerospace,electronics and chemcial industries.

•Modern:Vacuum pump technology has covered field from low vacuum to ultra-high vacuum,and plays a central role in semicounductor manufacturing,nuclear industry,pharmaceuticals,food packaging and other fields.

Sum up

The origin of vacuum pumps is a journey of scientific exploration,from the initial philpsophical hypothesis to experimental verification,to technological invention and continuous optimization.Nowadays,vacuum pumps have become an indispensable tool for modern science and technology.

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