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  2. Relativistic rocket - Wikipedia

    en.wikipedia.org/wiki/Relativistic_rocket

    The resulting charged pions have a speed of 0.94c (i.e. = 0.94), and a Lorentz factor of 2.93 which extends their lifespan enough to travel 21 meters through the nozzle before decaying into muons. 60% of the pions will have either a negative, or a positive electric charge. 40% of the pions will be neutral. The neutral pions decay immediately ...

  3. Elliott 803 - Wikipedia

    en.wikipedia.org/wiki/Elliott_803

    Group 5 is multiply, divide and shift instructions. Some of these use the 38-bit Auxiliary Register (AR – contents denoted by ar), which can be thought of as an extension of the accumulator at the least significant end. Multiplications and divisions regard a/ar as a signed fraction between -1 and one least significant bit less than +1.

  4. Highest averages method - Wikipedia

    en.wikipedia.org/wiki/Highest_averages_method

    The Webster or Sainte-Laguë method, first described in 1832 by American statesman and senator Daniel Webster and later independently invented in 1910 by the French mathematician André Sainte-Laguë, uses the fencepost sequence post(k) = k+.5 (i.e. 0.5, 1.5, 2.5); this corresponds to the standard rounding rule. Equivalently, the odd integers ...

  5. Deep biosphere - Wikipedia

    en.wikipedia.org/wiki/Deep_biosphere

    Environments in which subsurface life has been found [1]. The deep biosphere is the part of the biosphere that resides below the first few meters of the ocean's surface. It extends 10 kilometers below the continental surface and 21 kilometers below the sea surface, at temperatures that may reach beyond 120 °C (248 °F) [2] which is comparable to the maximum temperature where a metabolically ...

  6. House of Schwarzburg - Wikipedia

    en.wikipedia.org/wiki/House_of_Schwarzburg

    (half 2.1) Otto V, Count of Weimar-Orlamunde 1296 one child 1305 aged 29–30: Daughters of Gunther VII, divided their inheritance. Possibly inherited their parts of Arnstadt jointly with their husbands. Irmgard: 1282 Second daughter of Günther VII and Adelaide of Schwarzburg: 10 June 1302 – 1315: County of Arnstadt (half 2.2) Henry II ...

  7. Khwarazmian Empire - Wikipedia

    en.wikipedia.org/wiki/Khwarazmian_Empire

    The Khwarazmian Empire [note 2] (English: / k w ə ˈ r æ z m i ən /), [10] or simply Khwarazm [note 3], was a culturally Persianate, Sunni Muslim empire of Turkic origin. [11] [12] Khwarazmians ruled large parts of present-day Central Asia, Afghanistan, and Iran from 1077 to 1231; first as vassals of the Seljuk Empire [13] and the Qara Khitai (Western Liao dynasty), [14] and from circa 1190 ...

  8. Pubarche - Wikipedia

    en.wikipedia.org/wiki/Pubarche

    In the early 1970s, more than 4000 people were accidentally exposed to polybrominated biphenyls (PBBs). [5] A study was conducted in the child-bearing women exposed to the toxin, with their baby girls reaching menarche by the age of 11.6 years, compared to girls who had low exposure reaching menarche by the age of 12.2–12.6 years. [5]