FINALLY: A Proof that Particles Take All Paths At Once?
Sabine Hossenfelder
Sep 24, 2026 15:00
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Eighty years ago Richard Feynman said that a quantum particle takes every possible path at the same time. A team of physicists in China now says they have experimentally shown this is not just an interpretation but physical reality, and the headlines duly followed. I had a look at what they actually measured.
Paper: DOI: 10.1126/sciadv.aeh1011
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