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Winner of the 2023 Nobel Prize in Chemistry Massachusetts Institute of Technology scientist Moungi Bawendi speaks on a phone at his home, in Cambridge, Mass, Wednesday, Oct. 4, 2023. Bawendi, of MIT; Louis Brus, of Columbia University; and Alexei Ekimov, of Nanocrystals Technology Inc., were honored for their work with the particles that "have unique properties and now spread their light from television screens and LED lamps," according to the Royal Swedish Academy of Sciences, which announced the award in Stockholm. (AP Photo/Steven Senne)