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  2. List of main battle tanks by generation - Wikipedia

    en.wikipedia.org/wiki/List_of_main_battle_tanks...

    The main features include the modernisation of the old turret design, which is equipped with the advanced "Kalina" fire control system, improved armour on the ammo carousel, and an upgraded 2A46M-5 gun, as well as a remote-controlled anti-aircraft gun "UDP T05BV-1". T-90MS is the export version, also known as T-90SM.

  3. Jet fighter generations - Wikipedia

    en.wikipedia.org/wiki/Jet_fighter_generations

    In contrast, a preceding fourth generation filled in the gap since the F-15/16 era. [5] [6] This effectively condensed the previous classifications to three generations. In 2004, Aerospaceweb listed one such division into five generations. [6] Although details differ, the basic classification into five generations has since been widely adopted ...

  4. Fourth-generation fighter - Wikipedia

    en.wikipedia.org/wiki/Fourth-generation_fighter

    Whereas the premier third-generation jet fighters (e.g., the F-4 and MiG-23) were designed as interceptors with only a secondary emphasis on maneuverability, 4th generation aircraft try to reach an equilibrium, with most designs, such as the F-14 and the F-15, being able to execute BVR interceptions while remaining highly maneuverable in case the platform and the pilot find themselves in a ...

  5. Generation IV reactor - Wikipedia

    en.wikipedia.org/wiki/Generation_IV_reactor

    The Generation IV International Forum (GIF) is an international organization with its stated goal being "the development of concepts for one or more Generation IV systems that can be licensed, constructed, and operated in a manner that will provide a competitively priced and reliable supply of energy ... while satisfactorily addressing nuclear safety, waste, proliferation and public perception ...

  6. Mega-developments like Fourth & Central are L.A.'s future ...

    www.aol.com/news/megadevelopments-fourth-central...

    Fourth & Central joins other megadevelopments in the downtown area that promise to transform the city. ... A hallmark of the design is a residential ... the main tower “is still twice the size ...

  7. Wright Flyer - Wikipedia

    en.wikipedia.org/wiki/Wright_Flyer

    The aircraft is a single-place biplane design with anhedral (drooping) wings, front double elevator (a canard) and rear double rudder. It used a 12 horsepower (9 kilowatts) gasoline engine powering two pusher propellers. Employing "wing warping", it was relatively unstable and very difficult to fly. [5]

  8. Nuclear weapon design - Wikipedia

    en.wikipedia.org/wiki/Nuclear_weapon_design

    The series of RaLa Experiment tests of implosion-type fission weapon design concepts, carried out from July 1944 through February 1945 at the Los Alamos Laboratory and a remote site 14.3 km (8.9 mi) east of it in Bayo Canyon, proved the practicality of the implosion design for a fission device, with the February 1945 tests positively ...

  9. Call of Duty 4: Modern Warfare - Wikipedia

    en.wikipedia.org/wiki/Call_of_Duty_4:_Modern_Warfare

    It is the fourth main installment in the Call of Duty series. The game breaks away from the World War II setting of previous entries and is instead set in modern times. Developed over two years, Modern Warfare was released in November 2007 for the PlayStation 3, Xbox 360, and Microsoft Windows.