When1: 60
When2: 62
Who: Hero of Alexandria
What: mathematician/physicist/inventor
Where: Alexandria, Egypt
works\ Pneumatics [60]; Automata [62]; Mechanics [60 to 70]; Metrics [60 to 70]; Sighting Tube [60 to 70]
Detail: He lived 10 to 70, invented Hero's formula, and studied geodesy, mechanics, and pneumatics. He maintained constant water-clock water supply, using float and needle valve, as in carburetors. He invented steam engine {aeolipile} [62].
Mathematical Sciences>Mathematics>History>Invention
3-Mathematics-History-Invention
Outline of Knowledge Database Home Page
Description of Outline of Knowledge Database
Date Modified: 2022.0224