Árpád Kurusa
mathematician, associate professor
Department of Geometry
Bolyai Institute
Faculty of Science
University of Szeged


Árpád Kurusa

Maths-blog

Leaky rubber ring

Attitude can sometimes be very missleading....

A thin rubber sheet (arbitrarily stretchable and compressible) and a metal ring are concatenated as shown in the left-hand side of the figure.

images/math-site/math-blog/gumigyuru/gumigyuru_2.png

Can the rubber ring (without tearing) be tortured into the position shown on the right-hand side of the figure?

Click the figure to get the answer.


© 2024 Árpád Kurusa