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School of Physics Colloquium Series, Ignacio Taboada, Georgia Tech
Even though cosmic rays were discovered more than 100 years ago, their origin remains a mystery. Neutrinos, product of cosmic ray interactions at or near the production site, are the best astrophysical messenger to find the cosmic ray sources. The past few months have seen fast progress in the search for very-high-energy (>100 TeV) astrophysical neutrinos. IceCube has reported a set of events that are inconsistent with terrestrial origin and have characteristics best explained by an astrophysical origin. In this presentation I will discuss the current status of IceCube's observations including Georgia Tech's role in this work. I will also discuss future prospects for the field of neutrino astrophysics.