How Many Ping Pong Balls Would It Take To Raise A Shipwreck?

Maths and history collide with a fun question on buoyancy and Archimedes Principle. Today marks 65 years exactly since the Vasa was raised from the sea floor. Collab with Chloe @TigerLilyHistory: https://www.youtube.com/@TigerlilyHistory Dr Tom is the Public Engagement Lead and Departmental Lecturer in Mathematics at the Oxford University Department for Continuing Education. He is also a fellow at Robinson College, Cambridge. https://www.conted.ox.ac.uk/profiles/tom-crawford For more maths content check out Tom's website https://tomrocksmaths.com/ You can also follow Tom on Facebook, Twitter and Instagram @tomrocksmaths. https://www.facebook.com/tomrocksmaths/ https://twitter.com/tomrocksmaths https://www.instagram.com/tomrocksmaths/ Support Tom's work via Patreon here: https://www.patreon.com/tomrocksmaths Pre-order Tom's upcoming book "How Many Pikachus Would It Take To Power A Lightbulb?" 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