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    Double Maths First Thing

    Double Maths First Thing: Issue 0

    By Colin Beveridge. Posted September 4, 2024

    Double Maths First Thing is Colin’s weekly news round-up. Or round-down, if the fractional part is smaller than a half. You can sign up to receive it in your inbox on a Wednesday morning here. Hello! My name is Colin and I am a mathematician. Welcome to issue 0 of Double Maths First Thing, in which I highlight…

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    News Roundup

    Aperiodical News Roundup – August 2024

    By Katie Steckles. Posted August 31, 2024

    Photo of Hannah Fry, a young white woman with long red hair, smiling

    Here’s a quick round-up of some news stories from this month. Awards The Royal Society has announced its award winners for 2024, which include mathematicians Ingrid Daubechies (Bakerian Medal/lecture for the physical sciences), Hannah Fry (David Attenborough Award/lecture for public engagement) and Philip Maini (Sylvester medal for mathematical research). And the joint IMA/LMS Christopher Zeeman…

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    -e^iπ to Watch

    \(-e^{i\pi}\) to Watch: Science Rapper

    By Katie Steckles. Posted August 28, 2024

    Photo of Jon, a black man with his hair in cornrows, wearing a white puffer jacket and rapping in front of a stage decorated with chemical element symbols

    In this series of posts, we’ll be featuring mathematical video and streaming channels from all over the internet, by speaking to the creators of the channel and asking them about what they do. We spoke to Jon Chase, aka Oort Kuiper the Science Rapper, about his TikTok channel and how he’s been using it to…

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    Travels in a Mathematical World

    Matrix multiplication doesn’t work like that

    By Peter Rowlett. Posted August 8, 2024

    Matrix multiplication practice worksheet, Peter Rowlett, 5 August 2024 Twenty questions, each of which is one two by two matrix multiplied by another. Question 1 first row: 4 8 second row: 2 3 times first row: 8 8 second row: 2 7 Question 2 first row: 3 4 second row: 6 3 times first row: 9 2 second row: 3 9 Question 3 first row: 2 3 second row: 4 3 times first row: 8 3 second row: 4 9 Question 4 first row: 7 5 second row: 8 6 times first row: 5 5 second row: 8 4 Question 5 first row: 5 2 second row: 9 3 times first row: 8 2 second row: 9 6 Question 6 first row: 5 9 second row: 2 3 times first row: 8 9 second row: 2 6 Question 7 first row: 2 2 second row: 8 7 times first row: 4 2 second row: 8 9 Question 8 first row: 7 2 second row: 8 2 times first row: 9 2 second row: 8 4 Question 9 first row: 4 5 second row: 5 6 times first row: 5 5 second row: 5 7 Question 10 first row: 8 5 second row: 9 6 times first row: 5 5 second row: 9 3 Question 11 first row: 5 6 second row: 3 3 times first row: 8 6 second row: 3 6 Question 12 first row: 2 3 second row: 3 5 times first row: 2 6 second row: 6 8 Question 13 first row: 9 9 second row: 2 2 times first row: 9 9 second row: 2 2 Question 14 first row: 3 2 second row: 7 3 times first row: 8 2 second row: 7 8 Question 15 first row: 4 4 second row: 2 2 times first row: 8 8 second row: 4 4

    Earlier this week I posted a matrix multiplication worksheet on Mastodon. If you do some of these, you might spot what’s funny about them. For example. \[ \Large \begin{bmatrix}\color{navy}{4} & \color{navy}{8}\\\color{navy}{2} & \color{navy}{3}\end{bmatrix} \begin{bmatrix}\underline{\color{blue}{8}} & \underline{\color{blue}{8}}\\\underline{\color{blue}{2}} & \underline{\color{blue}{7}}\end{bmatrix} = \begin{bmatrix}\color{navy}{4}\underline{\color{blue}{8}} & \color{navy}{8}\underline{\color{blue}{8}}\\\color{navy}{2}\underline{\color{blue}{2}} & \color{navy}{3}\underline{\color{blue}{7}}\end{bmatrix} \] That is, the answer to each question can be made…

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    News Roundup

    Aperiodical News Roundup – June/July 2024

    By Katie Steckles. Posted August 5, 2024

    Screenshot of the video of Tim Harford giving the inaugural Vicky Neale Memorial Lecture; a balding white mand in a t-shirt and jeans is standing on the right in front of a projector screen

    Here’s a round-up of some news we didn’t cover on the Aperiodical in the last couple of months.

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    Carnival of Mathematics

    Carnival of Maths 230

    By Katie Steckles. Posted August 5, 2024

    Screenshot of the Carnival on the Theorem of the Day website

    The next issue of the Carnival of Mathematics, rounding up blog posts from the month of July 2024, 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.

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    Irregulars

    Row \( \sqrt{-1} \) of Pascal’s triangle

    By Colin Beveridge. Posted July 31, 2024

    Hi! My name is Colin, and I am a PROPER mathematician now. I’ve made a contribution to the Online Encyclopaedia of Integer Sequences.

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