(AD 20?-62?), Greek mathematician and scientist. He developed various mechanical devices, and many of them had practical uses. They include the aeolipile, a rotary steam engine; Hero's fountain, a pneumatic apparatus that produces a vertical jet of water by air pressure; and the dioptra, a primitive surveying instrument.
Hero (or Heron) of Alexandria (Greek: Ήρων ο Αλεξανδρεύς) (c. 10 – 70 AD) was a mathematician and engineer who flourished in Alexandria, Roman Egypt and is said ...
An aeolipile, a rocket-like jet engine invented in the first century by Hero of Alexandria, is considered to be the first recorded steam engine and reaction steam turbine. The name ...
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