PASSIONATELY CURIOUS - Sebastian Martin, PhD

Take it outside! - the theme of the latest Exploratorium teacher workshop (09/29/07). We had an excellent group of teachers and spent 5 hours with the exhibit developers Shawn Lani and Bryan Connell doing new teacher activities outdoors.

The cornstarch experiment (click on picture for a larger image) is a fascinating way to model cracking patterns in mud or even large rock formations like the “Devils Postpile”. Find out why the cracks always meet at so called “triple junctions” ( pdf file).