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One can produce a tar-like substance from corn stalks by heating them in a microwave oven. This process is known as pyrolysis. Tar is a dark brown or black viscous liquid of hydrocarbons and free carbon, obtained from a wide variety of organic materials through destructive distillation. Tar can be produced from coal, wood, petroleum, or peat. [1]
In computing, tar is a computer software utility for collecting many files into one archive file, often referred to as a tarball, for distribution or backup purposes. The name is derived from "tape archive", as it was originally developed to write data to sequential I/O devices with no file system of their own, such as devices that use magnetic tape.
IWI Tavor. The IWI Tavor, previously designated as the Tavor TAR-21 (Tavor Assault Rifle – 21st century), [4] is an Israeli bullpup assault rifle chambered in 5.56×45mm NATO, designed and produced by Israel Weapon Industries (IWI). It is part of the Tavor family of rifles, which have spawned many derivatives of the original design.
Pitch (resin) Pitch is a viscoelastic polymer which can be natural or manufactured, derived from petroleum, coal tar, [1] or plants. Pitch produced from petroleum may be called bitumen or asphalt, while plant-derived pitch, a resin, is known as rosin in its solid form. Tar is sometimes used interchangeably with pitch, but generally refers to a ...
This was the second time that Malcolm had been tarred and feathered. Tarring and feathering is a form of public torture where a victim is stripped naked, or stripped to the waist, while wood tar (sometimes hot) is either poured or painted onto the person. The victim then either has feathers thrown on them or is rolled around on a pile of ...
A pitch drop experiment is a long-term experiment which measures the flow of a piece of pitch over many years. "Pitch" is the name for any of a number of highly viscous liquids which appear solid, most commonly bitumen, also known as asphalt. At room temperature, tar pitch flows at a very low rate, taking several years to form a single drop.
Coal tar. Coal tar is a thick dark liquid which is a by-product of the production of coke and coal gas from coal. [2][3] It is a type of creosote. It has both medical and industrial uses. [2][4] Medicinally it is a topical medication applied to skin to treat psoriasis and seborrheic dermatitis (dandruff). [5]
Tar (tobacco residue) Tar is the name for the resinous, combusted particulate matter made by the burning of tobacco and other plant material in the act of smoking. Tar is toxic and damages the smoker's lungs over time through various biochemical and mechanical processes. [1] Tar also damages the mouth by rotting and blackening teeth, damaging ...