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Electrical firemaking involves the contact of an electrically heated object to tinder. A current is run through the object until it is red hot, like the burners on an electric stove, and it is brought into contact with the tinder, lighting it. For example, a foil-paper chewing gum wrapper will heat-up and ignite; or a flashlight battery coming ...
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In Koobi Fora, sites show evidence of control of fire by Homo erectus at 1.5 Mya with findings of reddened sediment that could come from heating at 200–400 °C (400–750 °F). [1] Evidence of possible human control of fire, found at Swartkrans , South Africa, [ 21 ] includes burned bones, including ones with hominin-inflicted cut marks ...
See also References A amadou Main article: amadou A spongy, flammable substance prepared from bracket fungi. arson Main article: arson The crime of intentionally or maliciously lighting structures, wildland areas, cars or other property on fire. It is the deliberate setting of fires for personal, monetary or political gain. auto reignition Main article: Auto reignition A process used in gas ...
In the archaeology of Neolithic Europe, the burned house horizon is the geographical extent of the phenomenon of presumably intentionally burned settlements.. This was a widespread and long-lasting tradition in what are now Southeastern Europe and Eastern Europe, lasting from as early as 6500 BCE (the beginning of the Neolithic in that region) to as late as 2000 BCE (the end of the ...
This is a list of star systems within 75–80 light years of Earth. The closest B-type star, ... 75.0 ± 0.5: 2: A0V + G5V: 2.21- 2.32 [2] Delta Herculis: 75.1 ± 0.3 ...
0 [5] 14 January – 14 February 1944 1944 Victorian bushfires: Victoria 1,000,000 2,500,000 15–20 approx. 500: 0 [10] 18 November 1944 1944 Blue Mountains bushfire New South Wales: 0 approx. 40: 0 [14] [15] November 1951 – January 1952 1951–52 bushfires Victoria 4,000,000 9,900,000 11 0 0 [16] 2 January 1955 Black Sunday bushfires: South ...
Westerlund 1 W75 or Wd 1-75 is a red supergiant (RSG) located in the Westerlund 1 super star cluster. Its radius is calculated to be around 668 solar radii [ 6 ] (4.65 × 10 8 km , 3.10 au ). This corresponds to a volume 298 million times bigger than the Sun .