Tomorrow I'm giving a maths talk to a load of 15/16 year olds. It's a talk I last gave in 2014, so I've updated it a bit.
I've put my slides online at https://www.staff.ncl.ac.uk/christian.perfect/an-enneahedron-for-herschel-2021/
What do you think? (Obviously you don't know what I'll say about them!)
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!