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Home > Misel Lecture > 2007

The 2007 Edythe and Irving Misel Family Lecture Series

About the Series

*** Watch the 2007 Misel Family Lecture online here ***

Kadanoff portrait


Speaker: Leo P. Kadanoff, University of Chicago
John D. and Catherine T MacArthur Distinguished Service Professor of Physics and Mathematics

Physics and Astronomy Colloquium: Wednesday, October 3, 4:00 p.m., Tate Lab of Physics
The Good, the Bad and the Awful - Scientific Simulation and Prediction

Worthwhile computer simulations are done to explore uncharted territory, resolve a well-posed scientific or technical question, or to make a design choice. Some excellent work is reviewed. Some less happy stories are recounted. I then concentrate my attention upon astrophysical simulations, showing how they can explore possible scenarios for stellar explosions.

Public Lecture: Thursday, October 4, 4:45 p.m., Tate Lab of Physics
Making a Splash; Breaking a Neck:
The Development of Complexity in Physical Systems

The fundamental laws of physics are very simple. They can be written on the top half of an ordinary piece of paper. The world about us is very complex. Whole libraries hardly serve to describe it. Indeed, any living organism exhibits a degree of complexity quite beyond the capacity of our libraries. This complexity has led some thinkers to suggest that living things are not the outcome of physical law but instead the creation of a (super)-intelligent designer.

In this talk, we examine the development of complexity in fluid flow. Examples include splashing water, necking of fluids, swirls in heated gases, and jets thrown up from beds of sand. We watch complexity develop in front of our eyes. Mostly, we are able to understand and explain what we are seeing. We do our work by following a succession of very specific situations. In following these specific problems, we soon get to broader issues: predictability and chaos, mechanisms for the generation of complexity and of simple laws, and finally the question of whether there is a natural tendency toward the formation of complex 'machines'.

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