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Macroscopic quantum tunneling wins 2025's Nobel Prize in physics

The 2025 Nobel Prize honors experiments showing quantum tunneling in macroscopic circuits, enabling advances in quantum computing and related technologies, with $1.2 million awarded.

Summary by Big Think
Quantum mechanics was first discovered on small, microscopic scales. 2025's Nobel Prize brings the quantum and large-scale worlds together.

8 Articles

The Nobel Prize in Physics 2025 was held by the British John Clarke, the French Michel Devoret and the American John Martinis "for the discovery of the quantum macroscopic tunnel effect and the quantization of energy in an electric circuit", announced on Tuesday the Royal Swedish Academy of Sciences. The winners were distinguished by experiments carried out in the 1980s, which showed that a particle, on a quantum scale, can directly cross a barr…

The finding of John Clarke, Michel H. Devoret and John M. Martinis shows that the effects of quantum mechanics also exist on a large scale, and today they are the basis of technologies such as quantum computing, cryptography and ultra-precise sensors. This 2025, the Nobel Prize in Physics was awarded to John Clarke, Michel H. Devoret and John M. Martinis for discovering that a typical phenomenon of the microscopic world - the quantum tunnel effe…

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Big Think broke the news in on Wednesday, October 8, 2025.
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