Here's another Video from ESUG 2009: Simulation of Percolation Models by Guillermo Amaral. You can download his slides here (PowerPoint). You can read the presentation abstract here; here's a summary:

Percolation theory studies the physical properties associated to the propagation of a substance through a random media. Besides its mathematical attractiveness, particular percolation models were designed to analyze concrete phenomena such as fluid (water, oil, gas, etc.) propagation through porous rocks, epidemics propagation, fires on orchards, electrical conductance of mixed materials, polymerization, and many others.

To watch, click on the viewer below:

If you have trouble viewing that directly, you can click here to download the video directly

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