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  2. 24-cell - Wikipedia

    en.wikipedia.org/wiki/24-cell

    Net. In four-dimensional geometry, the 24-cell is the convex regular 4-polytope [1] (four-dimensional analogue of a Platonic solid) with Schläfli symbol {3,4,3}. It is also called C 24, or the icositetrachoron, [2] octaplex (short for "octahedral complex"), icosatetrahedroid, [3] octacube, hyper-diamond or polyoctahedron, being constructed of octahedral cells.

  3. Poincaré lemma - Wikipedia

    en.wikipedia.org/wiki/Poincaré_lemma

    Especially in calculus, the Poincaré lemma also says that every closed 1-form on a simply connected open subset in is exact. In the language of cohomology , the Poincaré lemma says that the k -th de Rham cohomology group of a contractible open subset of a manifold M (e.g., M = R n {\displaystyle M=\mathbb {R} ^{n}} ) vanishes for k ≥ 1 ...

  4. Octave - Wikipedia

    en.wikipedia.org/wiki/Octave

    8 a or 8 va stands for ottava, the Italian word for octave (or "eighth"); the octave above may be specified as ottava alta or ottava sopra). Sometimes 8 va is used to tell the musician to play a passage an octave lower (when placed under rather than over the staff), though the similar notation 8 vb ( ottava bassa or ottava sotto ) is also used.

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    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

  6. Hexadecimal - Wikipedia

    en.wikipedia.org/wiki/Hexadecimal

    Hexadecimal (also known as base-16 or simply hex) is a positional numeral system that represents numbers using a radix (base) of sixteen. Unlike the decimal system representing numbers using ten symbols, hexadecimal uses sixteen distinct symbols, most often the symbols "0"–"9" to represent values 0 to 9 and "A"–"F" to represent values from ten to fifteen.

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  9. The Soul Collector (2019 film) - Wikipedia

    en.wikipedia.org/wiki/The_Soul_Collector_(2019_film)

    The Soul Collector (also known as 8: A South African Horror Story or simply 8) is a 2019 South African supernatural thriller film written by Johannes Ferdinand Van Zyl and Harold Holscher, who is also the director. The film stars Garth Breyetenbach, Inge Beckmann, Keita Luna and Tshamano Sebe.