We can fix UK currency with a £1.75 coin

Video Description

Check out Bambu Lab printers here: https://shrsl.com/2p2du-2yn7-1cwx9 #bambulab #bambulabA1 #makerworld #bambustudio #bambulabp1s #bambulabX1c #bambulabs #3Dprinting Here are the print files for Andreas Müller's Dodeclace - the Dodecahedron necklace. https://makerworld.com/en/models/1300677-dodeclace-the-dodecahedron-necklace#profileId-1332937 And Adam Luter's design for Industrious Dice. https://www.printables.com/model/1112817-rhombic-tricontahedron-industrious-15-sided-dice (More about the maths here: https://mathenchant.wordpress.com/2024/10/17/industrious-dice/ ) Huge thanks to Adam Townsend for all his help. Read his two articles: "Forget a new £1 coin, we need a £1.23 coin" https://chalkdustmagazine.com/blog/forget-a-new-1-pound-coin-we-need-a-1-pound-23-coin/ "Why self-service machines give such awful change" https://chalkdustmagazine.com/blog/self-service-machines-give-awful-change/ The original "What This Country Needs is an 18¢ Piece" by Jeffrey Shallit https://cs.uwaterloo.ca/~shallit/Papers/change2.pdf Thanks to Rollie for being our USA correspondent. You should all check out Climate Town on the youtube dot com. https://www.youtube.com/climatetown Buy the coins and exam set from this video! All proceeds to charity (Wateraid). https://www.ebay.co.uk/usr/standupmaths If you find a way to generate optimal sets of coins: I'd love to hear about it! Huge thanks to my Patreon supporters. They keep me rolling in coin. https://www.patreon.com/standupmaths CORRECTIONS - At 06:28 the graphics are wrong: the 10p should have moved out, not the 1p. My code and what I say are all correct. First spotted by @toolowforzero - At 16:19 the bottom of the sigma should be little n to read “n = 1”, not big N. First spotted by @andreysmirnov5482. - Let me know if you spot anything else! Filming and editing by Alex Genn-Bash Additional filming by On Location Matt and Climate Town Written and performed by Matt Parker Additional material by Adam Townsend Produced by Nicole Jacobus Music by Howard Carter Design by Simon Wright and Adam Robinson MATT PARKER: Stand-up Mathematician Website: http://standupmaths.com/