The type of physics that I will be presenting is a branch of Fluid Mechanics. Fluid mechanics studies the physics of gases and liquids.

Hydraulics is defined as:

"a branch of science that deals with practical applications of liquid in motion."
Merriam-Webster's Medical Dictionary, via www.dictionary.com

The science started over thousands of years ago with Aristotle (384-322 B.C.) and Archimedes (287-212 B.C.).  

Many European scientists also contributed to hydraulics, including da Vinci, Mariotte and Boyle.

The scientist who discovered the main principle I will be talking about is Pascal.


A French scientist who studied math and physics. His work included studying atmospheric pressure, conic sections and the principles of hydrostatics.

After Pascal there is Bernoilli, Franklin and Froud, who all also contributed to the science of hydraulics.

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