The date of the introduction of crossbows, however, can be dated further back: According to the inventor Hero of Alexandria ( fl.

The introduction of crossbows however, can be dated further back: According to the inventor Hero of Alexandria ( fl.

A book called Preliminaries to the Geometric Elements has been traditionally attributed to Hero of Alexandria.

Hero of Alexandria ( c. 10 – 70 AD ) made many complex mechanical devices including automata and a programmable cart.

Hero of Alexandria identified the pulley as one of six simple machines used to lift weights.

He returned to Alexandria, and began determinedly studying the works of Aristotle under Olympiodorus the Elder ( he also began studying mathematics during this period as well with a teacher named Heron ( no relation to Hero of Alexandria who was also known as Heron ).

2000 KW Curtis steam turbine circa 1905. The first device that may be classified as a reaction steam turbine was little more than a toy, the classic Aeolipile, described in the 1st century by Greek mathematician Hero of Alexandria in Roman Egypt.

Philo of Byzantium and Hero of Alexandria knew of the principle that certain substances, notably air, expand and contract and described a demonstration in which a closed tube partially filled with air had its end in a container of water.

* Hero of Alexandria

* Various inventions by Hero of Alexandria, including the steam turbine ( aeolipile ), water organ, and various other water-powered machines.

* Hero of Alexandria ( approximate date )

* Hero of Alexandria, Greek engineer ( d. c. 70 )

* Hero of Alexandria invents a steam turbine ( possible date ).

* Hero of Alexandria writes Metrica, Mechanics, and Pneumatics.

* The aeolipile, the first steam engine, is described by Hero of Alexandria.

Hero of Alexandria ( Heron ) ( c. 60 ) described a principle of reflection, which stated that a ray of light that goes from point A to point B, suffering any number of reflections on flat mirrors, in the same medium, has a smaller path length than any nearby path.

* ( c. 30 – 70 AD ) – Hero of Alexandria describes the first documented steam-powered device, the aeolipile.

Notable is the construction of the first hydraulic automata by Ctesibius ( flourished c. 270 BC ) and Hero of Alexandria ( c. 10 – 80 AD ).

Hero ( or Heron ) of Alexandria () ( c. 10 – 70 AD ) was an ancient Greek mathematician and engineer who was active in his native city of Alexandria, Roman Egypt.

It is almost certain that Hero taught at the Musaeum which included the famous Library of Alexandria, because most of his writings appear as lecture notes for courses in mathematics, mechanics, physics and pneumatics.

* Schellenberg, H. M .: Anmerkungen zu Hero von Alexandria und seinem Werk über den Geschützbau, in: Schellenberg, H. M ./ Hirschmann, V. E ./ Krieckhaus, A .( edd.

* Hero of Alexandria in the 1911 Encyclopædia Britannica

In the forthcoming The Conquering Hero and Carnival, Broadway is not even adapting books, but reconverting old movies ( Hail The Conquering Hero and Lili ).

In the center is the house of Senex, who lives there with wife Domina, son Hero, and several slaves, including head slave Hysterium and the musical's main character Pseudolus.

Hero confides in Pseudolus that he is in love with the lovely Philia, one of the courtesans in the House of Lycus.

By offering to isolate her in Senex's house, he is able to give Philia and Hero some time alone together, and the two fall in love.

But Philia insists that, even though she is in love with Hero, she must honor her contract with the Captain, for " that is the way of a courtesan.

Satisfied with his plan, Pseudolus steals Hysterium's book of potions and has Hero read him the recipe for the sleeping potion ; the only ingredient he lacks is " mare's sweat ," and Pseudolus goes off in search of some.

The Guitar Hero: On Tour series is incompatible with the DSi and 3DS because of this.

BRP is similar to other generic systems such as GURPS, Hero System or Savage Worlds in that it uses a simple resolution method which can be broadly applied, in this case an attempt to roll under a certain number with percentile dice.

In The Medieval Hero on Screen: Representations from Beowulf to Buffy, Diana Slampyak claims that Jen is a medieval hero in exile.

White Bear and Red Moon is notable for containing the first published material about Glorantha, later used as the primary setting for the role-playing games RuneQuest, Hero Wars and HeroQuest.

There is a reference to Diana in Much Ado About Nothing where Hero is said to seem like ' Dian in her orb ', in terms of her chastity.

The series which is currently shown on Hero is Digimon Savers ( January 2011 )

Death of a Hero is a World War I novel by Richard Aldington.

Death of a Hero is the story of a young English artist named George Winterbourne who enlists in the army at the outbreak of World War I.

It has been studied recently by Wilbur Knorr, who suggested that the attribution to Hero is incorrect, and that the true author is Diophantus.

" Japan Hero said, " his is definitely a Godzilla movie not to be missed.

" Japan Hero said, " While this movie is not the best of the Heisei series, it is still a really interesting movie.

The screenplay was credited to Hilary Henkin and David Mamet and is based on the novel American Hero by Larry Beinhart, however, the film differs greatly from the book.

The formula is credited to Heron ( or Hero ) of Alexandria, and a proof can be found in his book, Metrica, written c. 60.

* Doctor Octopus ( credited as Doc Ock ) appears as a villain in two missions in the MMORPG Marvel Super Hero Squad Online, voiced by Peter MacNicol.

During the Transformers: Generation 2 toyline, Optimus Prime received multiple toy forms in a relatively short period of time, and to explain these numerous bodies, the tech spec of his " Go-Bot " incarnation, credited an internal " Reconfiguration Matrix " with the change ( similarly, the original Matrix is credited with reformatting Prime from his " Hero " body into his " Laser " body in the Japanese G2 manga ).

Gutierrez was credited with saving several lives, including 11 year-old Rika Matsuda and Barry Small, an injured helicopter mechanic from New Zealand, who called Governor Gutierrez a " Hero.