Hero of Alexandria


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Related to Hero of Alexandria: Proclus, Pythagoras, Leonardo da Vinci, Archimedes
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Noun1.Hero of Alexandria - Greek mathematician and inventor who devised a way to determine the area of a triangle and who described various mechanical devices (first century)Hero of Alexandria - Greek mathematician and inventor who devised a way to determine the area of a triangle and who described various mechanical devices (first century)
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It describes in detail and with many illustrations each of the following instruments: groma (to construct right angles), chorobatus (level), gnomon (sun-dial, to determine the north), various rulers and staves used to measure distance and the dioptra of Hero of Alexandria.
While the first vending machine is credited to Hero of Alexandria around 215 B.
Hero of Alexandria was an Ancient Greek mathematician and engineer credited with inventing the first-recorded steam engine - his aeolipile.