Belgian-born American citizen Francis Halzen has won this year’s Nobel Prize in Physics.The Nobel Committee announced Halzen as the winner on Tuesday.The committee said Halzen received the award for his important contributions to the IceCube Neutrino Observatory and for the discovery of high-energy neutrinos from astrophysical sources.Halzen is the principal investigator of the IceCube Neutrino Observatory at the Amundsen–Scott South Pole Station in Antarctica.He serves as a Vilas Research Profe...