Scientist Louis E. Brus of Columbia University, poses for a photo with winners of the Nano Science Kavli Prize, during the prize ceremony in Oslo Concert House, Oslo, Tuesday, Sept. 9, 2008. The Nobel Prize in chemistry has been awarded to Moungi Bawendi, Louis Brus and Alexei Ekimov for their work on tiny quantum dots, it was announced on Wednesday, Oct. 4, 2023. (Haakon Mosvold Larsen/NTB Scanpix via AP, File)
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