Double Maths First Thing needs to collect its tickets, don’t let it forget. Hello! My name is Colin and I am a mathematician on a mission to spread the joy and delight of maths as far and wide as possible. This week, I’m steeling myself up for a double whammy of a long train journey…
Double Maths First Thing: Issue 3E
Hello! My name is Colin and I am a mathematician on a mission to spread the joy and delight of getting stuck into maths. Let’s start with a lovely quote from Karen Uhlenbeck: “I think you can’t do mathematics without the ability to concentrate. But also, that’s where the fun is, the rest of the…
Mathematical Objects: 3D wooden puzzle with Grant Sanderson

A conversation about mathematics inspired by a 3D wooden puzzle. Presented by Katie Steckles and Peter Rowlett, with special guest Grant Sanderson. Podcast: Play in new window | Download Subscribe: RSS | List of episodes
Double Maths First Thing: Issue 3D
Double Maths First Thing is disappointed that it’s not that sort of plot you’re meant to remember. Hello! My name is Colin and I am a mathematician on a mission to spread the joy and delight in doing maths, even if today I am slightly despondent about an off-by-one error in my code that means…
Carnival of Maths 245

The next issue of the Carnival of Mathematics, rounding up blog posts from the month of October 2025, is now online at Theorem of the Day. The Carnival rounds up maths blog posts from all over the internet, including some from our own Aperiodical. See our Carnival of Mathematics page for more information.
Double Maths First Thing: Issue 3C
Double Maths First Thing is brought to you by ibuprofen and grandparents taking the kids Hello! My name is Colin and I am a mathematician on a mission to share and spread the joy in doing maths for its own sake. It’s half term down here in Dorset, which puts my already-tenuous grasp of what…
Double Maths First Thing: Issue 3B
Double Maths First Thing is beautiful, it’s simple and it’s wrong Hello! My name is Colin and I am a mathematician on a mission to share the joy and love that comes from doing maths. As the amazing Jo Sibley says, if you love someone, set them a tricky maths problem. I had probably the…