Our Chiral Universe

Professor David Tong

Larmor Lecture

  • 13 October 2025, 18:00 – 19:00
  • Bristol-Myers Squibb Lecture Theatre Larmor Lecture
Upcoming event Booking Recommended In-person Lecture Michaelmas Term Larmor Lecture
  • Event cost: Free
  • Disabled access?: Yes
  • Booking required: No
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Overview

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.

Biography

David Tong is a theoretical physicist at the University of Cambridge. He works on quantum field theory and its applications in areas from condensed matter to cosmology. He is known for his lecture notes covering a wide range of topics in physics.


Larmor Lecture

Sir Joseph Larmor (1857-1942) was Lucasian Professor of Mathematics at Cambridge from 1903-32. He is particularly known for his work on development of electromagnetic theory. He was a Fellow of the Cambridge Philosophical Society from 1883, Secretary from 1886-1895, President from 1898-1900, and won the Hopkins Prize in 1897.

In his will he bequeathed “£250 to the Cambridge Philosophical Society the income thereof to be used to promote the interest of undergraduate members of the University in the aims of the Society”. He also bequeathed part of his library to CPS.

The first Larmor Lecture was delivered in 1956 by FC Powell (in conjunction with the Physics Society).
 


Location

Venue Address
Bristol-Myers Squibb Lecture Theatre
Yusuf Hamied Department of Chemistry
29 Lensfield Rd
Cambridge CB2 1ER
01223 336300

The entrance to the Yusuf Hamied Department of Chemistry can be found at the side of the Scott Polar Research Institute, opposite the boat. The Bristol-Myers Squibb Lecture Theatre is located directly in the entrance as you enter the building. 

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