Video Productions:Outside In

Overhead view of fifteen stages of the sphere eversion illustrated in the Geometry Center's video Outside In. It illustrates an amazing mathematical discovery made in 1957: you can turn the surface of a sphere inside out without making a hole, if you think of the surface as being made of an elastic material that can pass through itself. Computer graphics helps to explain as well as present the visual elegance of this process.

Image created: April, 1994

Copyright © April, 1994 by The Geometry Center, University of Minnesota. All rights reserved.
For permission to use this image, contact permission@geom.umn.edu.

External viewing: small (100x100 5k gif), medium (500x327 40k gif), or original size (2875x1875 4,756k tiff).

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Created: Thu Jun 25 15:09:39 CDT 1998 --- Last modified: Thu Jun 25 15:09:39 CDT 1998