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In geometry, a triangular prism or trigonal prism [1] is a prism with 2 triangular bases. If the edges pair with each triangle's vertex and if they are perpendicular to the base, it is a right triangular prism. A right triangular prism may be both semiregular and uniform. The triangular prism can be used in constructing another polyhedron.
Prism spectacles with a single prism perform a relative displacement of the two eyes, thereby correcting eso-, exo, hyper- or hypotropia. In contrast, spectacles with prisms of equal power for both eyes, called yoked prisms (also: conjugate prisms, ambient lenses or performance glasses) shift the visual field of both eyes to the same extent. [5]
A World War II map shows the two areas where the Germans were setting up their secret "V" weapons to bombard England (right, center). These are the areas in which the Royal Air Force and 8th Air Force heavy bombers concentrated their bombs in order to knock out the weapons -- part of the pre-invasion plan.
Map of the small U.S. military installations, ranges and training areas in the continental United States. This is a list of military installations owned or used by the United States Armed Forces both in the United States and around the world.
929th State Flight Test Centre named for V. P. Chkalov: 395th Independent Test Aviation Squadron [4] Balashov: Balashov: Saratov Oblast: 785th Aviation Training Center for Long-Range and Military Transport Aviation: 606th Training Aviation Regiment [5] Belaya/Irkutsk: Usolye-Sibirskoye: Irkutsk Oblast: Long-Range: 326th Heavy Bomber Aviation ...
The International Center for Peacemaking and Security (Ukrainian: Міжнаро́дний центр миротво́рчості та безпе́ки, romanized: Mizhnarodnyi tsentr myrotvorchosti ta bezpeky), also known as the Yavoriv military base (Я́ворівський військовий поліго́н), [a] is a military training facility of the Armed Forces of Ukraine in the ...
The Nellis Air Force Base Complex [1] (Nellis AFB complex, [2] [3] NAFB Complex [1]) is the southern Nevada military region of federal facilities and lands, e.g., currently and formerly used for military and associated testing and training such as Atomic Energy Commission atmospheric nuclear detonations of the Cold War.
Karl Pearson FRS FRSE [1] (/ ˈ p ɪər s ə n /; born Carl Pearson; 27 March 1857 – 27 April 1936 [2]) was an English biostatistician, eugenicist, and mathematician. [3] [4] He has been credited with establishing the discipline of mathematical statistics.