Nature publication IceCube in Antarctica proves 60-year-old physics prediction with high-energy particle from the UniverseIn 1960, Nobel Prize winner Sheldon Glashow predicted a process within the Standard Model, the most important model of particle physics. The theory describes the interaction of an antineutrino with an electron producing a new particle. However, no particle accelerator on Earth, not even the Large Hadron Collider at CERN, is able to make this process happen because it requires extremely high particle energy.