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Soot in very low concentrations is capable of darkening surfaces or making particle agglomerates, such as those from ventilation systems, appear black. Soot is the primary cause of "ghosting", the discoloration of walls and ceilings or walls and flooring where they meet.
The idea of oil well and oil reserve smoke pluming into the stratosphere serving as a main contributor to the soot of a nuclear winter was a central idea of the early climatology papers on the hypothesis; they were considered more of a possible contributor than smoke from cities, as the smoke from oil has a higher ratio of black soot, thus ...
Black soot absorbs thermal radiation very well; it has an emissivity as large as 0.97, and hence soot is a fair approximation to an ideal black body. [ 21 ] [ 22 ] With the exception of bare, polished metals, the appearance of a surface to the eye is not a good guide to emissivities near room temperature.
2000: The video game Skies of Arcadia presented players with a black spot, a message from a bounty hunter that they would soon be hunted down and killed. 2002: Puzzle Pirates, an MMORPG created by Three Rings Design, uses the term "Black Spot" to refer to a temporary way to silence rude and disruptive players.
Susuwatari (Japanese: ススワタリ, 煤渡り; "wandering soot"), also called Makkuro kurosuke (まっくろくろすけ; "makkuro" meaning "pitch black", "kuro" meaning "black" and "-suke" being a common ending for male names), is the name of a fictitious sprite that was devised by Hayao Miyazaki and Studio Ghibli, known from the famous anime-productions My Neighbor Totoro (1988) and ...
While Ramsay isn’t known for his understanding and empathetic demeanor, Heyerman says he “knows the process of making a cooking show very well” — the chef has worked on over a dozen shows ...
Black carbon is in the air and circulates the globe. Black carbon travels along wind currents from Asian cities and accumulates over the Tibetan Plateau and Himalayan foothills. Black carbon (BC) is the light-absorbing refractory form of elemental carbon remaining after pyrolysis (e.g., charcoal) or produced by incomplete combustion (e.g., soot).
And of the amount that does make it into food, only a certain portion will be taken in by the body, Alan says. "Overall we don’t know how much makes it into our body and the effects that these ...