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  2. Dancing Links - Wikipedia

    en.wikipedia.org/wiki/Dancing_Links

    This works regardless of the number of elements in the list, even if that number is 1. Knuth observed that a naive implementation of his Algorithm X would spend an inordinate amount of time searching for 1's. When selecting a column, the entire matrix had to be searched for 1's. When selecting a row, an entire column had to be searched for 1's.

  3. Explained (TV series) - Wikipedia

    en.wikipedia.org/wiki/Explained_(TV_series)

    Explained is an American documentary television series on the streaming service Netflix. The show is produced by Vox Media [ 2 ] and is based on Vox's previous YouTube video series which followed a similar format. [ 3 ]

  4. Figure-eight knot (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Figure-eight_knot...

    A theorem of Lackenby and Meyerhoff, whose proof relies on the geometrization conjecture and computer assistance, holds that 10 is the largest possible number of exceptional surgeries of any hyperbolic knot. However, it is not currently known whether the figure-eight knot is the only one that achieves the bound of 10.

  5. Engineering notation - Wikipedia

    en.wikipedia.org/wiki/Engineering_notation

    Engineering notation or engineering form (also technical notation) is a version of scientific notation in which the exponent of ten is always selected to be divisible by three to match the common metric prefixes, i.e. scientific notation that aligns with powers of a thousand, for example, 531×10 3 instead of 5.31×10 5 (but on calculator displays written without the ×10 to save space).

  6. Former NYC yeshiva student claims he was sexually abused ...

    www.aol.com/news/former-yeshiva-student-claims...

    Oholei Torah, at 667 Eastern Parkway, is considered the center of Chabad educationA former student at a prominent Brooklyn yeshiva says he was sexually abused by a fellow pupil “nearly...

  7. Taylor Swift Made a Major Change to Her Look 13 Years Ago ...

    www.aol.com/taylor-swift-made-major-change...

    Although 13 years have passed, Swift continues to own the bangs, while making subtle changes to them. Recently, on the second night of her final U.S. tour stop on Nov. 2, she took the stage in a ...

  8. Why a 12-team College Football Playoff is just right

    www.aol.com/sports/why-12-teams-perfect-number...

    The 12-team playoff will expand to 14 or 16 schools, and probably 24 or 32 after that. It’s happened before. Prior to 2000, college football fans just accepted that there could be multiple ...

  9. Invertible knot - Wikipedia

    en.wikipedia.org/wiki/Invertible_knot

    The simplest example of a non-invertible knot is the knot 8 17 (Alexander-Briggs notation) or .2.2 (Conway notation). The pretzel knot 7, 5, 3 is non-invertible, as are all pretzel knots of the form (2 p + 1), (2 q + 1), (2 r + 1), where p , q , and r are distinct integers, which is the infinite family proven to be non-invertible by Trotter.