Goeran Johansson, Member of the Nobel Committe for Physics, explains the field of science of the winners during a press conference to announce the winners of the 2025 Nobel Prize in Physics at the Royal Swedish Academy of Sciences in Stockholm, Sweden, on October 7, 2025. Briton John Clarke, Frenchman Michel H Devoret and American John M Martinis won the Nobel Prize in Physics 2025 'for the discovery of macroscopic quatum mechanical tunnelling and energy quantisation in an electric circuit', it was announced. (Photo by Christine Olsson/TT / TT NEWS AGENCY / AFP) / Sweden OUT (Photo by CHRISTINE OLSSON/TT/TT NEWS AGENCY/AFP via Getty Images)