Möbius in the Playground
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|Ivars Peterson (MathTrek)|
|Many people are familiar with the remarkable one-sided surface known as the Moebius band. You can easily make one by gluing or taping together the two ends of a long strip of paper after giving one end a half twist... At the Sugar Sand Science Playground in Boca Raton, Florida, children can crawl and scramble along a three-dimensional variant of a Möbius strip. The Moebius climber was designed by Gerald Harnett, a mathematics professor at Florida Atlantic University in Boca Raton, with the assistance of Jerome Schwartz and Sean Powers. It consists of 64 triangles linked together and mounted so that, at any one point, the twisted structure appears to have four sides, but overall turns out to have just two...|
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