Experimental physicist Phil Moriarty works with temperamental microscopes and individual atoms. Today's topics include Ireland, mathematics, failing at university, microscopy, academic gripes... and music.
Professor Moriarty's university page - including links to some of his papers
Phil's book: When the Uncertainty Principle Goes to 11: Or How to Explain Quantum Physics with Heavy Metal
Some of Brady's videos with Phil
Want more? Hear Phil with Brady on The Unmade Podcast
You can support Numberphile on Patreon like these people
With thanks to MSRI