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  2. Cyanogen - Wikipedia

    en.wikipedia.org/wiki/Cyanogen

    Cyanogen is the chemical compound with the formula (C N) 2. The simplest stable carbon nitride, it is a colorless and highly toxic gas with a pungent odor. The molecule is a pseudohalogen. Cyanogen molecules consist of two CN groups ‒ analogous to diatomic halogen molecules, such as Cl 2, but far less oxidizing.

  3. List of fictional elements, materials, isotopes and subatomic ...

    en.wikipedia.org/wiki/List_of_fictional_elements...

    Katakana: ヒヒイロカネ or kanji: 緋々色金 It is a red-orange fantasy metal that is common in Japanese fiction. Hyperium: Giants: One of three stable transuranic elements predicted by the new science of nucleonics in James P. Hogan's Giants series. Not naturally occurring outside of neutron stars, but trace amounts are created in the ...

  4. Empirical formula - Wikipedia

    en.wikipedia.org/wiki/Empirical_formula

    In chemistry, the empirical formula of a chemical compound is the simplest whole number ratio of atoms present in a compound. [1] A simple example of this concept is that the empirical formula of sulfur monoxide , or SO, is simply SO, as is the empirical formula of disulfur dioxide , S 2 O 2 .

  5. Dicyanoacetylene - Wikipedia

    en.wikipedia.org/wiki/Dicyanoacetylene

    Dicyanoacetylene, also called carbon subnitride or but-2-ynedinitrile (), is a compound of carbon and nitrogen with chemical formula C 4 N 2.It has a linear molecular structure, N≡C−C≡C−C≡N (often abbreviated as NC 4 N), with alternating triple and single covalent bonds.

  6. Wikipedia : Manual of Style/Writing about fiction/sandbox

    en.wikipedia.org/.../Writing_about_fiction/sandbox

    For example, many science fiction franchises publish detailed guidebooks about the aliens, spacecraft, and weapons depicted in the series. However, these works generally do little more than reframe the source material in a pseudo-encyclopedic manner; many of these works even add new information and extrapolations of things only hinted at in the ...

  7. Theoretical physics - Wikipedia

    en.wikipedia.org/wiki/Theoretical_physics

    Theoretical physics consists of several different approaches. In this regard, theoretical particle physics forms a good example. For instance: "phenomenologists" might employ empirical formulas and heuristics to agree with experimental results, often without deep physical understanding.

  8. The Cold Equations - Wikipedia

    en.wikipedia.org/wiki/The_Cold_Equations

    The Encyclopedia of Science Fiction points to A Plunge into Space (Robert Cromie, 1890) [9] as having a subplot very similar to "The Cold Equations". [10] " A Weighty Decision" ( Al Feldstein in Weird Science , 1952) [ 11 ] and the story "Precedent" ( E. C. Tubb in New Worlds , 1952) [ 12 ] also have been cited as potential inspirations.

  9. List of science fiction themes - Wikipedia

    en.wikipedia.org/wiki/List_of_science_fiction_themes

    Climate change—science fiction dealing with effects of anthropogenic climate change and global warming at the end of the Holocene era; Megacity; Pastoral science fictionscience fiction set in rural, bucolic, or agrarian worlds, either on Earth or on Earth-like planets, in which advanced technologies are downplayed. Seasteading and ocean ...