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Science 31 July 1998:
Vol. 281. no. 5377, pp. 634 - 635
DOI: 10.1126/science.281.5377.634
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News Focus

MATHEMATICS:
Sphere Does Elegant Gymnastics in New Video

Dana Mackenzie

Two mathematicians have created a computer animation illustrating the simplest scheme yet devised for turning an elastic sphere inside out without tearing or creasing it. Demonstrated in a 6-1/2-minute video tour that was shown in an abbreviated form at this month's Siggraph 98 convention in Orlando, Florida, their solution also shows how topologists are turning to computer graphics to solve some of their hardest problems.

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