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
More pictures by category:
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).