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41Collins class submarine — HMAS Rankin, sixth submarine of the Collins class, underway in 2006 Class overview Builders: Australian Submarine Corporatio …
42SafeDisc — is a CD/DVD copy prevention and digital rights management program for Windows applications and games, developed by Macrovision Corporation, aiming to prevent software copying, as well as resisting home media duplication devices, professional… …
43Pickup (music) — A pickup device acts as a transducer that captures mechanical vibrations (usually from suitably equipped stringed instruments such as the electric guitar, electric bass guitar or electric violin) and converts them to an electrical signal, which… …
44Military equipment of Turkey — The military equipment of Turkey includes a wide array of arms, artilleries, large surface vessels, cannons, armored vehicles, mortars, unmanned vehicles and many different equipments. Contents 1 Historical development 1.1 General 1.2 1923 1950 …
45Isaac Newton — Sir Isaac Newton …
46Ultraviolet — UV redirects here. For other uses, see UV (disambiguation). UVB redirects here. For the mysterious shortwave radio station in Russia, see UVB 76. For other uses, see Ultraviolet (disambiguation). False color image of the Sun s corona as seen in… …
47Lightning — This article is about the atmospheric electrical phenomenon. For other uses, see Lightning (disambiguation). See also: Lightning strike Lightning striking Atlanta, United States Lightning is an atmospheric electrostatic discharge (spar …
48Upholder/Victoria class submarine — The Upholder / Victoria class submarines, also known as the Type 2400 (due to their displacement of 2,400t), are diesel electric Fleet submarines designed in the UK in the late 1970s to supplement the Royal Navy s nuclear submarine force. In 1998 …
49Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
50Atomic clock — Nuclear clock redirects here. For the clock as a measure for risk of catastrophic destruction, see Doomsday Clock. For a clock updated by radio signals (commonly but inaccurately called an atomic clock ), see Radio clock. For the album by Zion I …
