Ultra-high-energy neutrinos

Scientists on the IceCube experiment discovered two extraterrestrial neutrinos with energies higher than any neutrino anyone had detected before. Physicists on the IceCube experiment were in for a jolt. In processing data taken by their strings of more than 5000 light-sensitive detectors suspended under Antarctic ice, they discovered two particles called neutrinos with 1000 times more energy than the ones that regularly zip through IceCube's detectors. They are the highest-energy neutrinos ever ...