TOPSHOT - (L-R) Olle Eriksson, Chair of the Nobel Committee for Physics, Hans Ellegren, Secretary General of The Royal Swedish Academy of Sciences, and Goeran Johansson, Member of the Nobel Committe for Physics, address 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. John Clarke (UK), Michel H. Devoret (France) and John M. Martinis (US) win the Nobel Prize in Physics 2025, 'for the discovery of macroscopic quatum mechanical tunnelling and energy quantisation in an electric circuit', it was announced on October 7, 2025. (Photo by Jonathan Nackstrand / AFP)