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    I’ve made some maths t-shirts, and you can buy them

    By Christian Lawson-Perfect. Posted March 11, 2019

    Four t-shirts laid out on the floor. Clockwise: the aperiodical logo; two men considering an octahedron; "all mathematical progress has measure zero"; keep calm and multiply matrix

    Good maths t-shirts are hard to come by, so I’ve made four of my own.

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    Mathematical Objects

    Mathematical Objects: Introduction

    By Peter Rowlett and Katie Steckles. Posted March 9, 2019

    Mathematical Objects

    Presented by Katie Steckles and Peter Rowlett, episodes of Mathematical Objects will take an object, real or abstract, as inspiration to chat about a mathematical topic. This introduction explains the idea ahead of the first episode, coming soon. Podcast: Play in new window | Download Subscribe: RSS | List of episodes

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    Irregulars

    Many-to-many Shape Sorter

    By Sam Hartburn. Posted March 7, 2019

    Did you like playing with shape sorters as a toddler, but find them too simple as an adult? Well, I’ve got good news for you.

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    News

    Google Doodle celebrates Olga Ladyzhenskaya

    By Katie Steckles. Posted March 7, 2019

    Today’s Google Doodle (visit google.com to see it, or if you miss today, you can find it in their archive) celebrates Russian mathematician Olga Ladyzhenskaya. In recognition of her 97th birthday, the Doodle includes the Navier-Stokes equations, of which Ladyzhenskaya provided the first rigorous proofs of convergence using a finite-difference method.

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    Carnival of Mathematics

    Carnival of Mathematics 167

    By Katie Steckles. Posted March 6, 2019

    The next issue of the Carnival of Mathematics, rounding up blog posts from the month of February, is now online at Tom Rocks Maths. 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.

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    Travels in a Mathematical World

    Talking to my three-year-old about my undergraduate mathematics teaching

    By Peter Rowlett. Posted March 2, 2019

    One day, a couple of months ago, I was walking my son to nursery and he asked what I was doing that day. I said I was going to do some teaching. What about? he asked. Well.

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    Travels in a Mathematical World

    Ning Nang Nong Latin square

    By Peter Rowlett. Posted February 27, 2019

    Ning Nang Nong; Nang Nong Ning; Nong Ning Nang

    My son is obsessed with the Spike Milligan nonsense poem ‘On the Ning Nang Nong’. Here’s a video of Spike reciting it. This weekend, he asked me to help him learn it. I’ve tried to memorise it before, to save having to find the book when he wants me to recite it. But somehow, it’s…

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The Aperiodical © 2026 Peter Rowlett, Katie Steckles and Christian Lawson-Perfect. All posts © their authors. All rights reserved.