Trio win Nobel prize for revealing quantum physics in action
US-based scientists John Clarke, Michel Devoret and John Martinis won the 2025 Nobel Prize in Physics for "experiments that revealed quantum physics in action", paving the way for the development of the next generation of digital technologies. Quantum mechanical behaviours are well studied at the level of the incredibly small — atoms and sub-atomic particles — but are often seen as bizarre and unintuitive compared with classical physics and its far larger scale. The Nobel winners carried out experiments in the mid-1980s with an electronic circuit built of superconductors and demonstrated that quantum mechanics could also influence everyday objects under certain conditions.
Quantum technology is already ubiquitous, with transistors in computer microchips an everyday example.
"This year's Nobel Prize in Physics has provided opportunities for developing the next generation of quantum technology, including quantum cryptography, quantum computers, and quantum sensors," the Royal Swedish Academy of Sciences, which awards the prize, said in a statement.
Quantum computers use principles of quantum mechanics to make complex calculations, predict outcomes and perform analysis that in some cases could take traditional computers millions of years.
The field is considered to have the potential to help solve some of humanity's most pressing concerns, such as tackling climate change. But it also faces challenges, including improving the accuracy of its chips, and timelines for commercially viable quantum computing remain disputed.
TWO OF WINNING TRIO HAVE LINKS TO GOOGLE
British-born Clarke is a professor at the University of California, Berkeley, in the United States.
Devoret, who was born in France and was congratulated on X by French President Emmanuel Macron, is a professor at Yale University and the University of California, Santa Barbara, also in the United States, where Martinis is also a professor.
Martinis, an American, headed Google's Quantum Artificial Intelligence Lab until 2020. At Google, Martinis was part of the research team who in 2019 said they had achieved "quantum supremacy", in which a computer harnessing the properties of sub-atomic particles did a far better job of solving a problem than the world's most powerful supercomputer.
Devoret, besides his professorship, is also the chief scientist of Google Quantum AI. It is the second straight year that a Nobel has been won by scientists with Google ties. The 2024 chemistry prize was awarded to Demis Hassabis and John Jumper at Google DeepMind while Geoffrey Hinton, who worked for Google for more than a decade, won for physics the same year.
PHYSICS SECOND NOBEL PRIZE AWARDED THIS WEEK
The Nobel physics prize is awarded by the Royal Swedish Academy of Sciences and includes a prize sum totalling 11 million Swedish crowns ($1.2 million) that is shared among the winners if there are several, as is often the case.
The Nobel Prizes were established through the will of Alfred Nobel, who amassed a fortune from his invention of dynamite.
Since 1901, with occasional interruptions, the prizes have annually recognised achievements in science, literature, and peace. Economics was a later addition.
DID YOU KNOW
Physics was the first category mentioned in Nobel's will, likely reflecting the prominence of the field during his time.
Today, the Nobel Prize in Physics remains widely regarded as the most prestigious award in the discipline.
Past winners of the Nobel physics prize include some of the most influential figures in the history of science, such as Albert Einstein, Erwin Schrodinger, Max Planck and Niels Bohr, the latter three all pioneers of quantum theory.
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