Chalkdust
A magazine for the mathematically curious
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      • Chalkdust issue 21 - Coming 17 March
      • Chalkdust issue 20 - Coming 8 November
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    • Issue 21
      • In conversation with Alison Etheridge
      • The human mug
      • Unlocking sudoku’s secrets
      • A symmetric universe
      • How to write a crossnumber
      • Oπnions: In defence of toy models
      • What a load of noise: A beginner’s mathematical guide to AI diffusion models
      • On the cover: Voronoi diagrams and generative art
      • Universal poetry
      • A day in the life: finance
      • Skimming potatoes
    • Issue 20
      • In conversation with Robin Wilson
      • Winning Wythoff’s game
      • Do you dress like a mathematical cliche?
      • A complex twist on triangles
      • On the cover: Spirographs
      • Poly-π
      • A mathematician’s guide to Edinburgh
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      • Which animal are you?
      • Ferm-ant’s principle
      • Easy to state, hard to prove: The Collatz conjecture
      • The problem with addition
      • Borwein integrals
      • Treating the differential with discretion
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Podcast

  • Talkdust, episode 4

    Talkdust, episode 4

    4 April 2019
    A podcast for the mathematically curious
  • Talkdust, episode 3

    Talkdust, episode 3

    28 February 2019
    A podcast for the mathematically curious
  • Talkdust, episode 2

    Talkdust, episode 2

    31 January 2019
    A podcast for the mathematically curious
  • Talkdust, episode 1

    Talkdust, episode 1

    16 November 2018
    A podcast for the mathematically curious

Read also

  • Read Issue 21 now!

    Read Issue 21 now!

    Sudoku, potatoes and crossnumber's biggest secrets finally revealed in our spring 2025 issue. Plus all your favourite columns!
  • Prize crossnumber, Issue 21

    Prize crossnumber, Issue 21

    Can you solve it?
  • Dear Dirichlet, Issue 21

    Dear Dirichlet, Issue 21

    Suits, sofas and sculptures punctuate the prof's postbag this issue
Chalkdust is published by Chalkdust Magazine, based in the United Kingdom. ISSN 2059-3805 (Print). ISSN 2059-3813 (Online).