18 mathematicians break my secret santa method

From Standup Mathematician. Learn more about Jane Street’s internship opportunities: https://jane-st.co/SUM-internships Sign up to patreon to get a unique christmas card! https://www.patreon.com/standupmaths A Mathematical Secret Santa Protocol by Katie Steckles https://www.youtube.com/watch?v=ehRTbNIr6-E This is the math stackexchange discussion: https://math.stackexchange.com/a/2896914 The Problems with Secret Santa, Hannah fry on Numberphile. https://www.youtube.com/watch?v=5kC5k5QBqcc Thanks to everyone who took part! Here…

These Two Cities Used to be the Same

From “Not Just Bikes”. ( YouTube / Nebula ) Watch this video ad-free and sponsor free on Nebula: https://nebula.tv/videos/notjustbikes-these-two-cities-used-to-be-the-same Our new comedy urbanism channel, I Love the City is now live! https://www.youtube.com/@ilovethecity https://nebula.tv/ilovethecity Support this channel on Nebula: https://go.nebula.tv/notjustbikes Buy a Nebula gift card (now with iDEAL!): https://gift.nebula.tv/notjustbikes Patreon: https://patreon.com/notjustbikes Mastodon: @notjustbikes@notjustbikes.com NJB Live (my…

Pentominoes and other Polyominoes – Numberphile

From Numberphile. Sophie Maclean discusses pentominoes and other polyominoes. See https://brilliant.org/numberphile for Brilliant and 20% off their premium service & 30-day trial (episode sponsor). More links & stuff in full description below ↓↓↓ Sophie Maclean is based at Kings College, London: https://sophiethemathmo.wordpress.com More Sophie on Numberphile: https://bit.ly/Sophie_Numberphile Previously on Numberphile, The Pentomino Puzzle: https://youtu.be/wZ1E_CM7MqA Patreon:…