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Biton of Pergamon (Greek: Βίτων) was an ancient Greek writer and engineer, [1] who lived in the second or third century BC.Only two of his works are known: a lost book on optics, entitled Optics, and an extant short treatise on siege machines, Construction of War Machines and Catapults (Ancient Greek: Κατασκευαὶ πολεμικω̑ν ὄργάνων καὶ ...
The Siege and Destruction of Jerusalem by the Romans Under the Command of Titus, A.D. 70, by David Roberts (1850), shows the city burning. Early thermal weapons, which used heat or burning action to destroy or damage enemy personnel, fortifications or territories, were employed in warfare during the classical and medieval periods (approximately the 8th century BC until the mid-16th century AD).
Expanded polystyrene, used for building insulation, packaging, and cups, is invented by Dow Chemical. [1] 1957: The Italian firm Montecatini begins large-scale commercial production of isotactic polypropylene. 1960s: High-density polyethylene bottles are introduced; they will replace glass bottles in most applications. [11] 1965
A slingshot or catapult is a small hand-powered projectile weapon. The classic form consists of a Y-shaped frame, with two tubes or strips made from either a natural rubber or synthetic elastic material. These are attached to the upper two ends. The other ends of the strips lead back to a pouch that holds the projectile. One hand holds the ...
A catapult is a ballistic device used to launch a projectile a great distance without the aid of gunpowder or other propellants – particularly various types of ancient and medieval siege engines. [1]
Nathaniel C. Wyeth (October 24, 1911 – July 4, 1990) was an American mechanical engineer and inventor.He is best known for creating a variant of polyethylene terephthalate that could withstand the pressure of carbonated liquids.
This wiki on catapults used to be a lot more balanced with the east asian catapults from 4th-5th century BC mentioned but I now noticed they have been completely removed. There are descriptive passages on the building of catapults mentioned in Mohist texts, a translation of the full canon by Prof. Robin Yates.
Old Japanese weapons and other military paraphernalia, c. 1892–95 A Gilbertese shark-toothed weapon (late 19th century). Major innovations in the history of weapons have included the adoption of different materials – from stone and wood to different metals, and modern synthetic materials such as plastics – and the developments of different weapon styles either to fit the terrain or to ...