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Monday Morning Memo

Here's a brief synopsis of what's going on this week in regards to Physics... and beyond.

Posted by Jill Ackerman at 8:45AM   |  Add a comment

Thursday, May 1:

Annual Spring Banquet:
5:00 PM - 8:00 PM
Klingenstein Lounge

Talk by IC PHYSICS ALUM
Alex Williamson '05, Enel Green Power North America

Physics in the World of Renewable Power Generation
 

Posted by Jill Ackerman at 10:57AM   |  Add a comment

TUESDAY, APRIL 22:

SEMINAR

Please join us for a talk with Adam Showman, University of Arizona:

Weather on Remote Worlds:  The Atmospheric Circulation of Exoplanets

Nearly 1800 planets have been discovered around other stars, many of which orbit extremely close-in, where they receive enormous stellar fluxes.  The intense radiation on these planets is expected to
drive a vigorous atmospheric circulation that shapes the day-night temperature difference, infrared light curves, spectra, albedo, atmospheric composition, and perhaps even the long-term evolution and planetary radii.  Recent spacebased and groundbased telescope observations exhibit extensive evidence for such circulations in the atmospheres of these planets.  This new observational vanguard opens the possibility of extending our understanding of atmospheric circulation beyond the confines of the Solar System, and it raises fundamental questions about planetary climate and habitability.  Here I will survey this exciting new field and describe recent research elucidating the dynamical mechanisms that operate to control the atmospheric circulation in these planets' atmospheres.   To emphasize the similarities as well as differences, I will ground this discussion in our understanding of the more familiar atmospheric dynamical regime of Earth, as well as our "local" giant planets Jupiter, Saturn, Uranus, and Neptune.

Tuesday, April 22nd, CNS 206B @ 12:10 p.m.

Pizza and refreshments provided for $1. Please bring your own cup. Remember to reuse, reduce, recycle.

TUESDAY, APRIL 22:

LAST DAY TO RSVP, by 3:00, for SPRING BANQUET


Posted by Jill Ackerman at 1:18PM   |  Add a comment

Tuesday: April 8, 2014:

Sarah A. Shelby, Graduate Student in the Department of Chemistry and Chemical Biology at Cornell University, gives a talk entitled:

Life at the Nanoscale: Super-Resolution Imaging of the Cell Membrane

In order to function within an organism, cells need to be able to sense their surroundings and react to stimuli, in other words, to receive, process, and respond to signals from the environment. Negative outcomes such as allergic reactions can be caused by the misfire of cellular signals that are transduced across the cell membrane. Many forms of cell signaling, including the allergic response, require the reorganization of protein and lipid molecules in the cell membrane at nanometer length scales. However, direct imaging of this reorganization in live cells has been historically restricted by diffraction, which inherently limits the resolution of conventional light microscopes. Fortunately, a new “super-resolution” fluorescence microscopy technique has been developed to beat the diffraction limit. Super-resolution microscopy exploits the photophysical properties of fluorescent molecules to locate the precise positions of each individual molecule with ~20 nanometer resolution. I will describe this technique and demonstrate how we are using it to observe the dynamic reorganization of fluorescently-labeled proteins on the cell membranes of live cells as they undergo allergic signaling.

Tuesday, April 8th, CNS 206B @ 12:10 p.m.

Pizza and refreshments provided for $1. Please bring your own cup. Remember to reuse, reduce, recycle.


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