The next issue of the Carnival of Mathematics, rounding up blog posts from the month of September, and compiled by Alexander, is now online at Codima. 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.
Binary, with Anne-Marie Imafidon (video)
Watch mathematician and entrepreneur Anne-Marie Imafidon MBE explain binary numbers. Anne-Marie studied for an MSc in mathematics at Oxford University, and founded the social enterprise Stemettes to encourage more women and girls into STEM careers.
Holo-Math sounds pretty wild

Any project which manages to make Cédric Villani look even more like a time traveller gets my immediate attention. Look! HOLO-MATH’s website is short on firm details, but it seems to be something to do with using Microsoft’s HoloLens VR goggle thingies to make interactive VR maths “experiences”. Here’s the blurb: HOLO-MATH is an international…
Mathematical modelling of Facebook use (video)
Watch mathematician and data scientist Jonny explain mathematical modelling of networks.
Circular reasoning on Catalan numbers

This is a guest post by researcher Audace Dossou-Olory of Stellenbosch University, South Africa. Consider the following question: How many ways are there to connect $2n$ points on a circle so that each point is connected to exactly one other point?
Save the Further Maths Support Programme

The Further Maths Support Programme is an organisation in the UK that supports students wishing to take an A-level in Further Maths. Since this isn’t offered in all schools and colleges, the Programme helps organise tuition for people who can’t do it through their school, but also encourages students at younger ages to consider taking…
Measuring π with a pendulum

Friends of the Aperiodical, nerd-comedy troupe Festival of the Spoken Nerd, are currently on tour around the UK. As part of their show, questionably titled You Can’t Polish a Nerd, Matt Parker attempts to calculate the value of $\pi$ using only a length of string and some meat encased in pastry. He’s previously done this on…