Boing Boing on MSNOpinion
Two twisty doughnut shapes solve a 150-year-old geometry puzzle
In 1867, French mathematician Pierre Ossian Bonnet proved something that seemed like common sense: if you know how far apart ...
Take the pressure off of problem-solving with engaging thinking games that encourage students to work together to find ...
A mathematician once posed a deceptively simple question. Can a single 2-D conveyor belt be stretched around a set of wheels such that the belt is taut and touches every wheel without crossing itself?
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