Fluffeh writes: "The failure of ghostly subatomic messengers called neutrinos to show up at an Antarctic telescope has knocked down a major astrophysical theory involving some of the most dramatic explosions in the universe. The IceCube telescope monitors a cubic kilometre of iceMovie Camera beneath the South Pole for neutrinos of various types, including the cosmic variety. Vertical strings of detectors frozen into the ice watch for flashes of blue light emitted when neutrinos strike. The energy of the neutrino determines its source. One source of neutrinos was thought to be explosions known as gamma ray bursts (GRBs) and IceCube has been looking for neutrinos occurring at the same time as GRBs. From May 2009 to May 2010, gamma-ray satellite observatories saw 190 GRBs. Theory predicts that IceCube should have seen a handful of neutrinos at the same time, from the same region of the sky. But today IceCube reports that it saw absolutely nothing – a serious blow to a cascade of processes astrophysicists thought they understood."
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