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Geometry Takes Flight


Math Mondays is back from spring break with some mathematical ideas that are perfect for March's winds: you can make a kite with any number of pure geometric forms. First off, the very word "kite" has its own specific mathematical meaning: any quadrilateral with two pairs of equal adjacent edges. Read more »

Math Monday: Linkages – The Straight Dope

For the Museum of Mathematics And here is yet another installment in our epic Math Mondays series on the intricate world of mechanical linkages. See the Linkages series introduction for the MoMath Linkage Kit, an introduction, and general instructions. OK, the suspense surrounding the (non?)existence of a straight-line linkage has... Read more »

Math Monday: Business Cards II


Imagine a regular tetrahedron. Mark the midpoint of one edge and draw straight lines to the vertices opposite that edge on the two faces incident to that edge. In your mental image, transmogrify that edge and those two lines into zippers and unzip them. What do you get? Believe it... Read more »


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