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Sphere eversion
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==External links== * [http://torus.math.uiuc.edu/jms/Papers/isama/color/opt2.htm A History of Sphere Eversions] {{Webarchive|url=https://web.archive.org/web/20200711130735/http://torus.math.uiuc.edu/jms/Papers/isama/color/opt2.htm |date=2020-07-11 }} * [http://www.cs.berkeley.edu/~sequin/SCULPTS/SnowSculpt04/eversion.html "Turning a Sphere Inside Out"] * [http://profs.etsmtl.ca/mmcguffin/eversion/ Software for visualizing sphere eversion] * [https://www.youtube.com/watch?v=876a_0WAoCU/ Mathematics visualization: topology. The holiverse sphere eversion (Povray animation)] * The deNeve/Hills sphere eversion: [https://www.youtube.com/watch?v=FL4JoWlVj98/ video] and [http://www.chrishills.org.uk/ChrisHills/sphereeversion/interactive/index.html?a=y/ interactive model] * [https://leanprover-community.github.io/sphere-eversion/ Patrick Massot's project] to formalise the proof in the [[Lean (proof assistant)|Lean Theorem Prover]] * An [https://rreusser.github.io/explorations/sphere-eversion/ interactive exploration] of Adam Bednorz and Witold Bednorz method of sphere eversion * [https://www.youtube.com/watch?v=wO61D9x6lNY Outside In]: A video exploration of sphere eversion, created by [[Geometry Center|The Geometry Center]] of [[University of Minnesota|The University of Minnesota]]. {{Portal bar|Mathematics}} {{DEFAULTSORT:Smale's Paradox}} [[Category:Differential topology]] [[Category:Mathematical paradoxes]]
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