Hero's Engine, First Recorded Steam Engine

Numéro d’image : 12631298
Hero's Engine, First Recorded Steam Engine
In the first century AD a Greek inventor known as Hero of Alexandria came up with a new invention that depended more on the mechanical interaction of heat and water. He invented a rocket-like device called an aeolipile, also known as Hero's engine. It used steam for propulsion. Hero mounted a sphere on top of a water kettle. A fire below the kettle turned the water into steam, and the gas travelled through the pipes to the sphere. Two L-shaped tubes on opposite sides of the sphere allowed the gas to escape, and in doing so gave a thrust to the sphere that caused it to rotate. Hero (or Heron) of Alexandria (10-70 AD) was an ancient Greek mathematician and engineer from Alexandria, Roman Egypt. His work is representative of the Hellenistic scientific tradition and he is often called, the greatest experimenter of antiquity.
Licence : Droits gérés
Crédit: Science Photo Library / Science Source
Taille de l’image : 2754 px × 4290 px
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