Catapult is a first-rate combat instrument that is often used in a wide varie..

Catapult is a first-rate combat instrument that is often used in a wide variety of wars before the invention of a cannon. The shape of the catapult is huge and using it takes a lot of people.

A catapult is a ballistic device used to launch a projectile a great distance without the aid of explosive devices—particularly various types of ancient and medieval siege engines.

In use since ancient times, the catapult has proven to be one of the most effective mechanisms during warfare.

In modern times the term can apply to devices ranging from a simple hand-held implement (also called a “slingshot”) to a mechanism for launching aircraft from a ship.

The catapult and crossbow in Greece are closely intertwined. Primitive catapults were essentially "the product of relatively straightforward attempts to increase the range and penetrating power of missiles by strengthening the bow which propelled them".The historian Diodorus Siculus (fl. 1st century BC), described the invention of a mechanical arrow-firing catapult (katapeltikon) by a Greek task force in 399 BC.

The weapon was soon after employed against Motya (397 BC), a key Carthaginian stronghold in Sicily.

Diodorus is assumed to have drawn his description from the highly rated history of Philistus, a contemporary of the events then.

The introduction of crossbows however, can be dated further back: according to the inventor Hero of Alexandria (fl. 1st century AD), who referred to the now lost works of the 3rd-century BC engineer Ctesibius, this weapon was inspired by an earlier foot-held crossbow, called the gastraphetes, which could store more energy than the Greek bows.

A detailed description of the gastraphetes, or the "belly-bow",page needed along with a watercolor drawing, is found in Heron's technical treatise Belopoeica.

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