Our Chiral Universe

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• Professor David Tong
• Monday 13 October 2025, 18:00-19:00
• Bristol-Myers Squibb Lecture Theatre, Department of Chemistry.

If you have a question about this talk, please contact Beverley Larner.

The fundamental laws of physics look different when reflected in a mirror. This is the statement that the laws of physics have a handedness, what physicists call chirality. This is one of the most important facts that we know about the universe, a fact that, remarkably, goes a long way to fixing the mathematical structure of the laws of nature. I will explain how we know about this handedness, why it’s so important, and why there are still several chiral mysteries that remain unsolved.

This talk is part of the Cambridge Philosophical Society series.

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