Quantum physics is all about the simplest things in the universe. Matter – electrons and quarks (which make up neutrons and protons), and interactions – photons, forces etc.

The difference between the two is a simple rotation. It’s secret quantum mechanics knowledge, says head of ANU Dept of Quantum Physics, Professor Craig Savage.

Here he is proving it:

Filmed at Physics in the Pub ACT, 2016, August 17 at Smiths Alternative Bookshop