Hero of Alexandria (/ˈhɪəroʊ/; Greek: Ἥρων ὁ Ἀλεξανδρεύς, Hērōn hò Alexandreús, also known as Heron of Alexandria /ˈhɛrən/; fl. 60 AD) was a Hellenistic...

exiting the turbine. The Greek-Egyptian mathematician and engineer Hero of Alexandria described the device in the 1st century AD, and many sources give...

Library of Alexandria in Alexandria, Egypt, was one of the largest and most significant libraries of the ancient world. The library was part of a larger...

Hero of Alexandria (10–70 AD) provides a recipe for building a "Fountain which trickles by the Action of the Sun's Rays," a more elaborate version of...

numbers.[citation needed] The ancient Greek mathematician and engineer Hero of Alexandria defined a gnomon as that which, when added or subtracted to an entity...

mathematician Hero of Alexandria compiled recipes for dozens of contraptions in his work, Pneumatics. It has been speculated that much of this work can...

clock'". This tradition continued in Alexandria with inventors such as the Greek mathematician Hero of Alexandria (sometimes known as Heron), whose writings...

the Greek scientist and engineer Hero of Alexandria in his book Pneumatics. Hero described and provided drawings of "A bird made to whistle by flowing...

Diophantus of Alexandria (born c. AD 200 – c. 214; died c. AD 284 – c. 298) was a Greek mathematician, who was the author of two main works: On Polygonal...

of being under kings who loved fame and supported the arts. Proclus (the commentator on Euclid) and Hero of Alexandria (the last of the engineers of antiquity)...

physicist Hero of Alexandria. Heron studied the pressure of air and steam, described the first steam engine, and built toys that would spurt water, one of them...

plane) and were able to roughly calculate their mechanical advantage. Hero of Alexandria (c. 10–75 AD) in his work Mechanics lists five mechanisms that can...

the early 2nd millennium BC. In Roman Egypt, Hero of Alexandria (c. 10–70 AD) identified the pulley as one of six simple machines used to lift weights. Pulleys...

citizen of Alexandria, developed the first fire pump in the third century BC, which was later improved upon in a design by Hero of Alexandria in the first...

Hero of Alexandria and mostly composed of metal (the spring mechanism and the skeins), it shot bolts that were smaller than those in other forms of ballistae...

S2CID 30137359. Hero of Alexandria; Bennet Woodcroft (trans.) (1851). Temple Doors opened by Fire on an Altar. Pneumatics of Hero of Alexandria. London: Taylor...

H={\frac {1}{3}}\left(A+{\sqrt {AB}}+B\right).} It is named after Hero of Alexandria. Just like all means, the Heronian mean is symmetric (it does not...

to the rope. Hero of Alexandria described cranes formed from assemblies of pulleys in the first century. Illustrated versions of Hero's Mechanica (a book...

as "of Alexandria". Ammonius of Alexandria (3rd century AD), a Greek philosopher from Alexandria and one of the founders of Neoplatonism. Appian of Alexandria...

degree of reaction and impulse from the blade root to its periphery. Hero of Alexandria demonstrated the turbine principle in an aeolipile in the first century...

author cannot be Hero of Alexandria (d. c. 70 AD). Perhaps the name "Hero" came to be applied to him because of his use of Hero of Alexandria's work, which...

opposing side of the surface normal in the plane formed by the incident and reflected rays. This behavior was first described by Hero of Alexandria (AD c. 10–70)...

Unity and Diversity of the Mediterranean World", Osiris 2, p. 406-463 [429] John H. Lienhard (1995). "Hero of Alexandria". The Engines of Our Ingenuity. Episode...

"hero". Notable people with the name include: Hero of Alexandria (fl. 60 AD), Greek mathematician and engineer who was active in his native city of Alexandria...

{s(s-a)(s-b)(s-c)}}.} It is named after first-century engineer Heron of Alexandria (or Hero) who proved it in his work Metrica, though it was probably known...

senses nor could its supposition lend additional explanatory power. Hero of Alexandria challenged the theory in the first century AD, but his attempts to...

lengths from a distance using this instrument is known, the Dioptra of Hero of Alexandria (c. 10–70 AD), which survived in Arabic translation; but the knowledge...

with the sides of the triangle, are of the same size as the base square. A much older theorem, preserved in the works of Hero of Alexandria, states that...

philosophers, Ptolemy's views were shared by other mathematicians such as Hero of Alexandria. There are several characters or items named after Ptolemy, including:...

credited to Hero of Alexandria (also known as Heron; a brief description of the book is available online; see Lahanas link, below). Hero was "one of history’s...