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Pyrography or pyrogravure is the free handed art of decorating wood or other materials with burn marks resulting from the controlled application of a heated object such as a poker. It is also known as pokerwork or wood burning. [1] The term means "writing with fire", from the Greek pyr (fire) and graphos (writing). [2]
Fractal burning, Lichtenberg burning or wood fracking refers to a technique where a Lichtenberg figure is burnt into wood using high voltage electricity. [1][2][3][4] It has gained notoriety due to numerous incidents of death or severe injuries when people have attempted it at home, with at least 33 people having died between 2017 and 2022. [1][5]
Lichtenberg figures can also be produced on wood. The types of wood and grain patterns affect the shape of the Lichtenberg figure produced. [16] By applying a coat of electrolytic solution to the surface of the wood, the resistance of the surface drops considerably. Two electrodes are then placed on the wood and a high voltage is passed across ...
According to one research on the average the burning of wood results in about 6–10% ashes. [2] The residue ash of 0.43 and 1.82 percent of the original mass of burned wood (assuming dry basis, meaning that H 2 O is driven off) is produced for certain woods if it is pyrolized until all volatiles disappear and it is burned at 350 °C (662 °F) for 8 hours.
v. t. e. Slash-and-burn agriculture is a farming method that involves the cutting and burning of plants in a forest or woodland to create a field called a swidden. The method begins by cutting down the trees and woody plants in an area. The downed vegetation, or "slash", is then left to dry, usually right before the rainiest part of the year.
Cultural burning. Cultural burning is the process of using prescribed burns to manage landscapes, a process used primarily by Indigenous peoples; more specifically the Indigenous people of Australia and the Western parts of North America [1][2][3][4][5][6][7] have been found to use this method extensively. This practice created a relationship ...
Pyrolysis is the reaction used to coat a preformed substrate with a layer of pyrolytic carbon. This is typically done in a fluidized bed reactor heated to 1,000–2,000 °C or 1,830–3,630 °F. Pyrolytic carbon coatings are used in many applications, including artificial heart valves.
Billy Wara ( c. 1920 – November 2008) was an Australian Aboriginal craftsman who made wooden sculptures. He is best known for his sculptures of goannas, made from wood that is native to the central Australian desert. His sculptures were carved by hand and decorated by burning patterns into the wood. [1] He also crafted traditional hunting ...
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