Discount code for Curvahedra (Patreon)

Curvahedra: how many faces make a polyhedron

Use code "STANDUPMATHS" to get 15% off Curvahedra! https://curvahedra.com/ Note that if you are a patreon supporter of mine, you can get a 25% discount. We also sell Curvahedra on Maths Gear but there is no discount. But if you're in the UK, the saving on postage might be worth it. You do the maths! https://mathsgear.co.uk/products/curvahedra Here is the bonus chat over on my second channel. https://youtu.be/9z-k2DJ9RbA Read more about the scary version of the Gauss–Bonnet theorem https://en.wikipedia.org/wiki/Gauss%E2%80%93Bonnet_theorem http://mathworld.wolfram.com/Gauss-BonnetFormula.html Edmund Harriss is on Twitter and Numberphile https://twitter.com/gelada https://www.youtube.com/watch?v=6aFcgATW9Mw Check out the Symmetry groups wrapping paper he designed for Maths Gear https://mathsgear.co.uk/products/symmetry-groups-wrapping-paper More about Bathsheba Grossman and her sculptures which inspired Edmund https://bathsheba.com/ You can see my old curvahedra in the background of this video, as well as may others. https://www.youtube.com/watch?v=4CbPksEl51Q CORRECTIONS - None yet, let me know if you spot anything! Thanks as always to Jane Street being my channel's principal sponsor. https://www.janestreet.com/ Thanks to my Patreon supporters who help make these videos possible. Here is a random subset: Alex Hackman Susan Moury Alex DeMartino Malcolm Rowe Ben White Support my channel and I can make more maths videos: https://www.patreon.com/standupmaths Filming by Matt Parker Editing by Alex Genn-Bash Music by Howard Carter Design by Simon Wright MATT PARKER: Stand-up Mathematician Website: http://standupmaths.com/ Maths book: http://wwwh.umble-pi.com Nerdy maths toys: http://mathsgear.co.uk/