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  1. the free encyclopedia that anyone can edit. Bill Newton (8 June 1919 – 29 March 1943) was an Australian recipient of the Victoria Cross, honoured for his actions as a bomber pilot in Papua New Guinea during March 1943. Raised in Melbourne, he joined the Citizen Military Forces in 1938 and enlisted in the Royal Australian Air Force (RAAF) in ...

  2. en.wikipedia.org › wiki › ElectronElectron - Wikipedia

    The electron ( e− , or β− in nuclear reactions) is a subatomic particle with a negative one elementary electric charge.[13] Electrons belong to the first generation of the lepton particle family,[14] and are generally thought to be elementary particles because they have no known components or substructure.[1] The electron's mass is ...

  3. The Richter scale [1] ( / ˈrɪktər / ), also called the Richter magnitude scale, Richter's magnitude scale, and the Gutenberg–Richter scale, [2] is a measure of the strength of earthquakes, developed by Charles Francis Richter in collaboration with Beno Gutenberg, and presented in Richter's landmark 1935 paper, where he called it the "magnitude s...

  4. History. The Enhanced Fujita scale replaced the decommissioned Fujita scale that was introduced in 1971 by Ted Fujita. [4] . Operational use began in the United States on February 1, 2007, followed by Canada on April 1, 2013, who uses a modified verion known as the CEF-scale.

  5. Microsoft Bing, commonly referred to as Bing, is a search engine owned and operated by Microsoft. The service traces its roots back to Microsoft's earlier search engines, including MSN Search, Windows Live Search, and Live Search.

  6. en.wikipedia.org › wiki › PiPi - Wikipedia

    The number π (/paɪ/; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159. The number π appears in many formulae across mathematics and physics. It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although ...

  7. en.wikipedia.org › wiki › CapacitorCapacitor - Wikipedia

    In electrical engineering, a capacitor is a device that stores electrical energy by accumulating electric charges on two closely spaced surfaces that are insulated from each other. The capacitor was originally known as the condenser, [1] a term still encountered in a few compound names, such as the condenser microphone.

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