Math

  1. Math

    Sliding Pi

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  2. Math

    Ancient Infinities

    An ancient manuscript long hidden from public view has provided significant, new insights into the way Archimedes (287–212 B.C.) did his mathematical work more than 2,000 years ago. The manuscript, known as the Archimedes Palimpsest, is the only source of Archimedes’ treatise on the “Method of Mechanical Theorems.” As the oldest surviving Archimedes manuscript, it’s […]

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  3. Math

    Card Shuffling Shenanigans

    Shuffling cards is a tricky business. It’s also a lucrative one for gambling casinos. In a game such as blackjack, an astute player can try to memorize the cards already played to have a better chance of predicting which cards will come up later, thus potentially gaining an advantage over the dealer and the casino. […]

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  4. Math

    Math Trails in Ottawa

    Housed in a spectacular building redolent of crystals and light, the National Gallery of Canada in Ottawa was recently the setting for a highly unusual school event–a mathematics field trip! National Gallery of Canada For several years, math teacher Ron Lancaster of Hamilton, Ontario, has been creating “math trails” for both students and teachers as […]

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  5. Math

    Election Selection

    By ignoring how voters might rank all the candidates in an election, the plurality system opens the floodgates to unsettling, paradoxical results when there are three or more candidates.

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  6. Math

    Buffon’s Needling Ants

    The classic probability experiment known as Buffon’s needle produces a statistical estimate of the value of pi, the ratio of a circle’s circumference to its diameter. The experiment consists of randomly dropping a needle over and over again onto a wooden floor made up of parallel planks. If the needle’s length is no greater than […]

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  7. Math

    Buffon’s Needling Ants

    The classic probability experiment known as Buffon’s needle produces a statistical estimate of the value of pi, the ratio of a circle’s circumference to its diameter. The experiment consists of randomly dropping a needle over and over again onto a wooden floor made up of parallel planks. If the needle’s length is no greater than […]

    By
  8. Math

    Tetris Is Hard

    As many computer- and video-game players have long known, the insanely addictive, immensely popular game of Tetris is tough. You can’t really win; you merely try your best to improve upon previous results. The seven tetrominoes of Tetris. The game was invented in 1985 by mathematician Alexey Pajitnov, then a computer engineer at the Academy […]

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  9. Math

    Tetris Is Hard

    As many computer- and video-game players have long known, the insanely addictive, immensely popular game of Tetris is tough. You can’t really win; you merely try your best to improve upon previous results. The seven tetrominoes of Tetris. The game was invented in 1985 by mathematician Alexey Pajitnov, then a computer engineer at the Academy […]

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  10. Math

    Whirling to a chaotic finale

    A black hole paired with another body can succumb to chaos when they orbit each other, making it more difficult to detect gravitational waves produced by such objects.

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  11. Math

    Traffic woes of the single driver

    At moderate traffic volumes, a single car moving at randomly fluctuating speeds can cause traffic jams in its wake.

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  12. Math

    Spinning to a rolling stop

    Air viscosity makes the rolling speed of a spinning, tipping coin go up as its energy goes down until the coin suddenly stops.

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