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Generalized rock-paper-scissors games where the players have a choice of more than three weapons have been studied. [54] Any variation of rock paper scissors is an oriented graph, where the nodes represent the symbols (weapons) choosable by the players, and an edge from A to B means that A defeats B. Each oriented graph is a potentially ...
Anthropic rock is rock that is made, modified and moved by humans. Concrete is the most widely known example of this. [ 1 ] The new category has been proposed to recognise that human-made rocks are likely to last for long periods of Earth's future geological time , and will be important in humanity's long-term future.
Wilhelm II to a recruit. "And don't forget that your Kaiser will find a use for you—alive or dead." Punch, 25 April 1917. The German Corpse Factory or Kadaververwertungsanstalt (literally "Carcass-Utilization Factory"), also sometimes called the "German Corpse-Rendering Works" or "Tallow Factory" [1] was a recurring work of atrocity propaganda among the Allies of World War I, describing the ...
The others were made to break rocks in the hot sun but Kenyatta, because of his age, was instead appointed their cook, preparing a daily diet of beans and posho. [227] In 1955, P. de Robeck became the District Officer, after which Kenyatta and the other inmates were treated more leniently. [ 228 ]
Stylised representations of parts of the body are often open to dispute and are therefore on the fringes of acceptability as identifiable petrosomatoglyphs. Natural objects, such as rock crystals and rock formations which look like petrosomatoglyphs, whole animals, plants, etc., are collectively called "mimetoliths".
In other cases, the rhyolite appears to be a product of melting of crustal sedimentary rock. [10]: 21 Water vapor plays an important role in lowering the melting point of silicic rock, [10]: 43 and some rhyolitic magmas may have a water content as high as 7–8 weight percent. [20] [21]: 44
In some instances, rocks are aligned near the entrance and fire of sweat lodge ceremonies that symbolize the Moon, the Sun and other things. Rock piles are still made to mark trails and important locations. A large turtle petroform of piled up boulders was recently made in the Whiteshell Park area of Manitoba. [citation needed]
Rock cupules (/ ˈ k j uː p j uː l /) are artificially made depressions on rock surfaces that resemble the shape of an inverse spherical cap or dome. [1] They were made by direct percussion with hand-held hammer-stones, on vertical, sloping or horizontal rock surfaces.