Just a headsup.
For anyone that likes the weekly seti talk lectures from the seti institute, they are now holding them live on Google+ (also i imagine live fed to their youtube channel).
google https://plus.google.com/u/0/108759765804984663877/posts
youtube http://www.youtube.com/user/setiinstitute
They are inviting questions to be posted in comments section, so you can engage directly with those doing the research.
They are wednesdays 20.00 UTC (which i think is 1pm pacific?)
the abstract for this first live talk is:
Seismic waves have been for long time the only messenger reporting on the
conditions deep inside the Earth. While global seismology provides amazing
details about the structure of our planet, it is only sensitive to the mechanical
properties of rocks and not to their chemical composition. In the last few years
KamLAND and Borexino have started measuring anti-neutrinos produced by
Uranium and Thorium inside the Earth. Such "Geoneutrinos" double the number of tools available to study the Earth's interior, enabling a sort of global chemical analysis of the planet, albeit for two
elements only. Dr. Gratta will discuss the results of these new measurements and put them in the context of the Earth Sciences.
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