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Who discovered jet propulsion?

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Although the invention of the jet engine can be traced back to the aeolipile that was made around 150 B.C., Dr. read more

Jet propulsion is the driving forward of a body by means of a jet of gas or fluid. The idea dates back to the 1st century AD when Hero of Alexandria built an engine called an aeolipile. He mounted a hollow metal globe with projecting tubes between two pipes so it could spin. Steam entered the globe through the pipes. read more

However, the possibility of jet propulsion was demonstrated long ago. A Greek mathematician and scientist, Hero of Alexandria, produced a working model of a steam-powered engine (a forerunner of the jet engine) as far back as the first century AD. But even before this, jet propulsion was in use. read more

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History of the Jet Engine
www.thoughtco.com

Jet Propulsion Laboratory
www.jpl.nasa.gov