Uploaded March 2026 | Updated September 2026, 2 weeks ago

---

Pre-order Tom's book here: https://backstory.london/products/pre-order-how-many-pikachus-would-it-take-to-power-a-lightbulb-by-tom-crawford-signed-personalised-with-pi-keyring-and-pokemon-trading-card-card-pi-keyring-with

Celebrating Pi Day with Pi = 3 rounds of Countdown and the official announcement of the title of my upcoming book!

Produced by Dr Tom Crawford at the University of Oxford. Tom is Public Engagement Lead at Oxford University Lifelong Learning: conted.ox.ac.uk/profiles/tom-crawford

For more maths content check out Tom's website tomrocksmaths.com

You can also follow Tom on Facebook, Twitter and Instagram @tomrocksmaths.
facebook.com/tomrocksmaths
twitter.com/tomrocksmaths
instagram.com/tomrocksmaths

Support Tom's work via Patreon here: patreon.com/tomrocksmaths