Saturday Morning Math Group

Here are some photos of Dr. Starbird's talk and of the following activities - during which we spilled nearly two gallons of water!



Rotate with no spills!


Map-coloring on Mobius bands and tori

Really unknotting

Turn a torus inside-out!

360 degrees and no spills!

What is an inside-out torus?

Free the diamond ring from the loops!

Last updated September 21, 2000 by Katherine Socha.
Send questions, comments to Katherine Socha at

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