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Visit this site: http://www.sciencenews.org/sn_arc98/10_10_98/Bob1.htm
Author:Ivars Peterson - Science News Online
Description: Mathematicians have worked out a geometrically optimal transformation that minimizes the energy required to exchange a sphere's inside and outside surfaces. See Selected Images from The Optiverse, a video by John Sullivan, George Francis, and Stuart Levy, about the minimax sphere eversion.
Levels: High School (9-12), College
Languages: English
Resource Types: Video, Articles
Math Topics: Higher-Dimensional Geometry, Elliptic & Spherical Geometry

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