Monday Morning Memo

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

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Tuesday September 9:

Seminar: Please join us for a talk entitled: How I spent my vacation: Using simultaneous in-situ x-ray reflectivity and RHEED to map layer-by-layer thin-film oxide growth. With Professor Matthew C. Sullivan of the Ithaca College Department of Physics & Astronomy

12:10 in CNS 204

Prof. Matthew C. Sullivan spent the 2012-2013 academic year learning about X-ray physics. He worked as a full-time Visiting Associate Professor at the Cornell High Energy Synchrotron Source (CHESS). CHESS is a national user facility funded by the National Science Foundation, and it produces high-intensity x-rays of many different wavelengths for use in experiments. He used the x-rays to characterize layer-by-layer growth of thin films of SrTiO3, the most common oxide material. In particular, his work investigated differences between reflection high energy electron diffraction (RHEED) and x-ray reflectivity (XRR) as in situ probes of this layer-by-layer growth.

Prof. Sullivan will talk about x-ray physics, work at the synchrotron during his sabbatical as well as ongoing work during his talk.

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

Friday September 12:
Annual Department Picnic at Robert H. Treman State Park 4PM - 7PM
Fun, Games & Free Food!
Sign-up form in rm 261

Posted by Jill Ackerman at 11:44AM   |  Add a comment

Welcome Students!

Wednesday August 27, 2014:
First Day of Classes - Today is a Monday schedule

Monday September 1, 2014:
No Classes - Labor Day

Friday September 12:

Annual Department Picnic at Robert H. Treman State Park 4PM - 7PM
Fun, Games & Free Food!

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Thursday, May 1:

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

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



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.



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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