Minimal surfaces and soap films
As a fun day for my multi-variable calculus class, I brought in some soap and talked about minimal surfaces. Later, I took some pictures of some of the more interesting soap films.
More pictures by category:
See also:

Courant, R. "Soap Film Experiments with Minimal Surfaces." Amer. Math. Monthly 47, 167-174, 1940.

You can get this article from JSTOR. The pictures in this article are very nice (much better than these photos).

HOME >>>>> FUN >>>>> BUBBLES