Patterns in Nature

Monday, October 1st, 2007 | Take it outside

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).

13 Comments to Patterns in Nature

JJ Loch
October 10, 2007

What a fascinating experiment!!!

Chris
May 9, 2009

Hi martin, i would really like to know more about why the cracks always meet at so called “triple junctions” but the .pdf file has no link. I’m an architecture student and I’m looking at applying the triple junction idea to master planning.
regards
chris

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