Welcome to The Aperiodical. The Aperiodical is a new maths magazine/blog aimed at people interested in mathematics who want to read stuff. We post news stories related to maths, opinion pieces, interesting things we’ve found, accounts of monthly MathsJams, maths videos, and feature articles, as well as posts from our own blogs. We also host the…
Klein: outside the bottle

If you’ve heard of Felix Klein, it’s probably due to the Klein bottle, that strange four-dimensional object that is the subject of a new video here on The Aperiodical starring Katie Steckles and Matt Parker. Who is Klein and, apart from the bottle, what did he do? Klein’s Times obituary records that he would point…
Top N Facts about the Klein Bottle
In honour of Felix Klein’s birthday, Matt Parker and Katie Steckles investigate the amazing surface which bears his name.
Manchester MathsJam April 2012 Recap

The turnout this month was slightly lower than usual, but many of our regulars were there and we had the chance to have some good discussions and really get into things.
Math/Maths 93: TW’s School of Hard Sums
A new episode of the Math/Maths Podcast has been released. A conversation about mathematics between the UK and USA from Pulse-Project.org. This week Samuel and Peter spoke about Dara O Briain’s School of Hard Sums with ‘Maths Advisor’ and special guest Thomas Woolley, also with each other about: The game of go as a complex…
What is a mathematician?

I recently got a new set of business cards printed. I wanted to keep them as simple as possible, and have them communicate only the important information – my name and contact details. But then came the question of what to put underneath my name. I don’t currently have a full time job anywhere, but I do spend pretty…
Newcastle MathsJam April 2012 Recap
April’s MathsJam was very enjoyable. We did a bit of arts and crafts, a bit of playing games, and if it had been NBA Jam instead of Maths Jam I would have been entirely on fire because I used up all my IQ points solving some very fun puzzles. Durham were still on their Easter…