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The desire to consume this plutonium and other transuranic fuels and reduce the radiotoxicity of the waste is the usual reason nuclear engineers give to make fast neutron reactors. [ 123 ] The most common chemical process, PUREX ( P lutonium– UR anium EX traction), reprocesses spent nuclear fuel to extract plutonium and uranium which can be ...
Persson's most popular creation is the survival sandbox game Minecraft, which was first publicly available on 17 May 2009 [39] and fully released on 18 November 2011. Persson left his job as a game developer to work on Minecraft full-time until completion. In early 2011, Mojang AB sold the one millionth copy of the game, several months later ...
Minecraft: An ancient fireproof alloy made from gold and netherite scraps, which are smelted from ancient debris found in the game's hellish Nether dimension. When combined with diamond equipment, the metal creates the game's strongest weapons and armor. [53] [54] Nth Metal DC Comics: Fictional alloy; described as a heavy isotope, 676 Fe. [55]
Lithium ingots with a thin layer of black nitride tarnish The alkali metals are also called the lithium family, after its leading element. Like the other alkali metals (which are sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr)), lithium has a single valence electron that, in the presence of solvents, is easily ...
High-purity scrap copper is melted in a furnace and then reduced and cast into billets and ingots. [49] Lower-purity scrap is melted to form black copper (70–90% pure, containing impurities such as iron, zinc, tin, and nickel), followed by oxidation of impurities in a converter to form blister copper (96–98% pure), which is then refined as ...
The Super Hornet is an enlarged redesign of the McDonnell Douglas F/A-18 Hornet.The wing and tail configuration trace its origin to a Northrop prototype aircraft, the P-530, c. 1965, which began as a rework of the lightweight Northrop F-5E (with a larger wing, twin tail fins and a distinctive leading edge root extension, or LERX). [4]
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In mathematics, the Fibonacci sequence is a sequence in which each element is the sum of the two elements that precede it. Numbers that are part of the Fibonacci sequence are known as Fibonacci numbers, commonly denoted F n .