How Josephson junctions reveal macroscopic quantum effects

(0:00) David Friedberg intros John Martinis, the 2025 recipient of the Nobel Prize in Physics

(0:43) John's history, how he got into physics

(4:54) Explainer on quantum mechanics

(22:57) Quantum tunneling and the 1985 paper that led to this Nobel Prize

(30:37) Understanding qubits, the state of quantum computing, and the impact of AI

(40:56) US vs China in quantum, reactions to winning the Nobel Prize

Learn more about the 2025 Nobel Prize in Physics:

https://www.nobelprize.org/prizes/physics/2025/summary

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