Sunday 13 April 2014

ommics

Who invented the Bow ?

Invented by - Prehistoric Humans

Year - 61,000 years ago, South Africa

A bow is a flexible arc which shoots aerodynamic projectiles called arrows. A string joins the two ends of the bow and when the string is drawn back, the ends of the bow are flexed. When the string is released, the potential energy of the flexed stick is transformed into the velocity of the arrow. 

Today, bows and arrows are used primarily for hunting and for the sport of archery. Though they are still occasionally used as weapons of war, the development of gunpowder and muskets, and the growing size of armies, led to their replacement in warfare several centuries ago in much of the world.

The bow and arrow is among the oldest composite projectile weapons invented; only spear throwers and darts may predate it, having been in use since 30,000 BCE, with the oldest example from 17,500 BCE.However, despite its ancient provenance, a number of cultures in historical times lacked the bow and arrow, and in others oral history records a time before its acquisition.
who invented the bow


The earliest potential arrow heads date from about 64,000 years ago in the South African Sibudu Cave, though their identification as arrowheads (as opposed to spear or dart heads) is uncertain. The first actual bow fragments are the Stellmoor bows from northern Germany. They were dated to about 8,000 BCE but were destroyed in Hamburg during the Second World War, before carbon 14 dating was available; their age is attributed by archaeological association. The oldest bows in one piece are the elm Holmegaard bows from Denmark which were dated to 9,000 BCE. High performance wooden bows are currently made following the Holmegaard design.


Common types of bow include

Recurve bow: a bow with the tips curving away from the archer. The curves straighten out as the bow is drawn and the return of the tip to its curved state after release of the arrow adds extra velocity to the arrow.

Reflex bow: a bow that curves completely away from the archer when unstrung. The curves are opposite to the direction in which the bow flexes while drawn.

Self bow: a bow made from one piece of wood.

Longbow: a self bow that is usually quite long, often over 5 feet (1.5 metres) long. The traditional English longbow was usually made of yew wood, but other woods are used also.

Composite bow: a bow made of more than one material

Compound: a bow with mechanical aids to help with drawing the bowstring. Usually, these aids are pulleys at the tips of the limbs.

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