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Tag Archives: Hexaflexagons

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  • 14
    Nov

    2008

    Hexaflexa-what?

    With the Martin Gardner books available, I’ve been throwing the word hexaflexagon around a lot. It’s part of the title, after all. For anyone who hasn’t ever seen one, they’re cool....

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  • 24
    Sep

    2008

    Win a New Martin Gardner Book #4

    September 24, 2008 [Update] This week is over! The winner, and the current contest, will be announced here. Today, we’ll start on the puzzles from Hexaflexagons, Probability Paradoxes, and the...

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