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Hexaflexagons
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. I came across this video of someone flexing a hexaflexagon made from a map; one of the more interesting applications I’ve seen.
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 Tower of Hanoi. I’ll run three; that’s three more weeks of puzzle goodness. Incidentally, don’t miss Don Albers’ lengthy interview with Gardner, updated weekly. Last [...]
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