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Science 27 October 2006:
Vol. 314. no. 5799, p. 571
DOI: 10.1126/science.314.5799.571c
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NetWatch

The National Curve Bank, hosted by two mathematicians and a computer scientist at California State University, Los Angeles, is a hall of fame for geometrical figures. The more than 60 pages--many contributed by site visitors--explore curves that have vexed and intrigued mathematicians, such as the conchoid of Nicomedes, a shell-like shape developed in the 3rd century B.C.E., and the familiar Möbius strip. This twisted loop defies expectations because it has only one surface instead of a top and bottom. The features also offer historical background about the discoverer and include animations or Java applets.

curvebank.calstatela.edu/home/home.htm




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Science. ISSN 0036-8075 (print), 1095-9203 (online)