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How a forgotten physicist’s discovery broke the symmetry of the Universe

When Rosemary Brown identified a strange particle decay 75 years ago, it set events in motion that would rewrite the laws of physics.
By
  1. Suzie Sheehy

    1. Suzie Sheehy is an associate professor in physics at the University of Melbourne, Australia.

When a ‘scanner’ called Minnie van der Merwe handed Rosemary Brown a photographic slide with an unusual configuration of particle tracks, the physicist knew that she was on to something. “I looked very carefully and thought: this is it,” she says.

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Nature 625, 448-449 (2024)

doi: https://doi.org/10.1038/d41586-024-00109-5

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Competing Interests

The author declares no competing interests.

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