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Physics & Astronomy Colloquium - Andrea Lommen, Haverford College
Start Date: 10/27/2017Start Time: 12:30 PM
End Date: 10/27/2017End Time: 2:00 PM

Event Description:

Physics & Astronomy Colloquium

Andrea Lommen
Dept. of Physics and Astronomy
Haverford College

Einstein's Last Legacy: Ripples in Spacetime

100 years ago Einstein made a prediction.
 He knew a couple things you already know, and I'll show you that you would've made the same prediction. He predicted that Gravitational Waves, ripples in spacetime, exist, but are far too small to ever be detected. He was right about the first part and wrong about the second. Thanks to LIGO we are in the midst of the era of gravitational waves, a rapidly expanding field that will tell us enormous amounts about the universe. Pulsar timing will soon make an analogous detection, but in a complementary part of the gravitational wave spectrum. I'll show you how our experiment is analogous to LIGO's experiment, and convince you that we should actually a expect an overall crinkling of spacetime in the universe from the cumulative effect of tens of thousands of super massive black holes distributed across the universe. Finally, I'll tell you about an x-ray telescope I launched to the International Space Station in June that is going to help us understand the noise in the pulsar timing data.


The colloquium will start at 12:30 pm in Science Center 199. A pizza lunch will be provided for those attending starting at 12:20 pm.

Friday, Oct. 27, 2017, 12:30 pm, SC 199



Location Information:
*Swarthmore College - Science Center
Room: Science Center 199 - Cunniff Hall
Contact Information:
Name: Physics & Astronomy
Phone: (610) 328-8258
Email: physics@swarthmore.edu
Open To
The Public

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