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This Week at Physics

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Events on Friday, September 16th, 2011

Cosmology Journal Club
An Informal discussion about a broad variety of arXiv papers related to Cosmology
Time: 12:00 pm
Place: 5242 Chamberlin Hall
Abstract: This week we'll discuss...
     Results from 730 kg days of the CRESST-II Dark Matter Search
     Intensity Mapping with Carbon Monoxide Emission Lines and the Redshifted 21 cm Line
Please feel free to bring your lunch!
If you have questions or comments about this journal club, would like to propose a topic
or volunteer to introduce a paper, please email Le Zhang (lzhang263@wisc.edu).
Host: Peter Timbie
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Physics Department Colloquium
The Quantum and Fluid Mechanics of Global Warming
Time: 3:30 pm
Place: 2241 Chamberlin Hall (coffee at 4:30 pm)
Speaker: Brad Marston, Brown University
Abstract: Quantum mechanics plays a crucial, albeit often overlooked, role in our understanding of the Earth's climate. In this talk three well known aspects of quantum mechanics are invoked to present a simple physical picture of what will happen as the concentrations of greenhouse gases such as carbon dioxide continue to increase. Historical and paleoclimatic records are interpreted with some basic astronomy, fluid mechanics, and the use of fundamental laws of physics such as the conservation of angular momentum. Live simulations will illustrate the basic physical principles governing large scale atmospheric circulation. I conclude by discussing some possible ways that physics might be able to contribute to a deeper understanding of climate change.

See Physics Trends, "Looking for new problems to solve? Consider the climate" at http://physics.aps.org/articles/v4/20
Host: Chubukov
Poster: http://www.physics.wisc.edu/twap/posters/2011/2185.pdf
Video: http://www.physics.wisc.edu/vod/2011/09/16.html
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