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|Ivars Peterson - Science News Online|
|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|
|Resource Types:||Video, Articles|
|Math Topics:||Higher-Dimensional Geometry, Elliptic & Spherical Geometry|
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