The first day (Mar 21, 2002)

The map of middle math
Roping the bosses

Getting ready to work

Our nice guest

Trying to solve the tangram puzzle

The dean of the Math Dept

Preparing the moebius band

The boss of the stand

Learning about Moebius

Preparing interdisciplinary work between mathematicians
(giving the idea), chemists (bringing the beer), and physicists
(cooling it with liquid nitrogen).