Fiber optic hydrophones for acoustic neutrino detection The scientific potential for detecting cosmic neutrinos with energies at or above the GZK cut-off—the energy limit for cosmic rays due to interactions with the cosmic microwave background—has been extensively discussed in the literature. The recent observation of a very high-energy event by...

Introduction to and Science highlights from the Imaging X-ray Polarimetry Explorer The Imaging X-ray Polarimetry Explorer (IXPE) is a NASA Small Explorer Mission resulting from the collaboration of NASA Marshall Space Flight Center, the Italian Space Agency and other partners. IXPE has been successfully performing science operations since January 2022....

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Neutrino flavors with the IceCube Neutrino Observatory Abstract