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2015 Nobel Laureate in Physics: Art McDonald

Arthur B. McDonald, a member of the Perimeter Institute Board of Directors and Professor Emeritus at Queen’s University, has been awarded the 2015 Nobel Prize in Physics, “for the discovery of neutrino oscillations, which shows that neutrinos have mass.” McDonald and co-winner Takaaki Kajita of the University of Tokyo were recognized as the leaders of two large research collaborations that demonstrated that elementary sub-atomic particles, called neutrinos, change identities.

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