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Fire hardening is the process of removing moisture from wood, changing its structure and material properties, by charring it over or directly in a fire or a bed of coals. This has been thought to make a point, like that of a spear or arrow , or an edge, like that of a knife or axe , more durable and efficient for its use as a tool or weapon.
It seems clear that the stakes were used to form a temporary defence. However, the exact manner in which stakes were used is the subject of debate among experts. It is possible that the stakes were incorporated into the ramparts of a Roman marching camp . Projecting from the ramparts at an angle, they would present a barrier to an attacker ...
Ferrocerium is used in fire lighting in conjunction with a striker, similarly to natural flint-and-steel, though ferrocerium takes on the opposite role to the traditional system; instead of a natural flint rock striking tiny iron particles from a firesteel, a striker (which may be in the form of hardened steel wheel) strikes particles of ...
The report from the New York Post outlines how the LADWP project aimed to replace wooden power poles with fire-proof steel poles, widen fire-access lanes, and install power lines more resistant to ...
The control of fire by early humans was a critical technology enabling the evolution of humans. Fire provided a source of warmth and lighting , protection from predators (especially at night), a way to create more advanced hunting tools, and a method for cooking food.
The punji stick or punji stake is a type of booby trapped stake. It is a simple spike, made out of wood or bamboo, which is sharpened, heated, and usually set in a hole.Punji sticks are usually deployed in substantial numbers. [1]
Reconstruction of a palisade in a Celtic village at St Fagans National History Museum, Wales Reconstruction of a medieval palisade in Germany. A palisade, sometimes called a stakewall or a paling, is typically a row of closely placed, high vertical standing tree trunks or wooden or iron stakes used as a fence for enclosure or as a defensive wall.
Teponaztli are made of hollow hardwood logs, often fire-hardened. Like most slit drums, teponaztlis have two slits on their topside, cut into the shape of an "H". The resultant strips or tongues are then struck with rubber-head wood mallets, or with deer antlers. [ 1 ]