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    Per Thirty Six

    perthirtysix.com · Personal blog · on HN since 2021

    Per Thirty Six makes interactive explainers on how things work, such as QR codes, synthesizers, JPEG, and Shazam, plus a lottery simulator.

    Visit blogHN submissions
    ProgrammingScienceData & Visualization
    What HN says

    HN links it for its interactive explanations; one commenter says the lottery simulator made them stop playing the lottery, and another got an RSS feed added.

    Stats for nerds
    22HN people shared it
    45linked in comments
    516story points
    Jul 2026last shared

    Top posts on HN

    1. 1
      Lottery Simulator (2023)
      3 people · 208 points · first shared 2024 · 93 comments on HN
    2. 2
      Visualizing data is an art
      1 person · 182 points · first shared 2025 · 61 comments on HN
    3. 3
      How the Heck Do QR Codes Work? (An Interactive Exploration)
      4 people · 12 points · first shared 2025 · 1 comments on HN
    4. 4
      Building a machine learning model to predict the NBA MVP
      1 person · 12 points · first shared 2021 · 10 comments on HN
    5. 5
      Is Music Just Sound?
      3 people · 10 points · first shared 2026 · 1 comments on HN
    6. 6
      How the Heck Does JPEG Work?
      2 people · 10 points · first shared 2026 · Discussion on HN
    7. 7
      How the Heck does Shazam work?
      2 people · 9 points · first shared 2026 · Discussion on HN
    8. 8
      The Counterintuitive Birthday Paradox
      2 people · 8 points · first shared 2024 · 1 comments on HN
    9. 9
      The Communal Plot
      3 people · 7 points · first shared 2024 · Discussion on HN
    10. 10
      Explore Creative Coding with 30 P5js sketches
      1 person · 7 points · first shared 2025 · 1 comments on HN

    What HN people wrote when they linked it

    • andrei_says_Jul 2026

      A nice lottery simulator which had me stop playing the lottery

      https://perthirtysix.com/tool/lottery-simulator

    • shrirachaApr 2026

      Thank you!

      This has been on my list forever, finally added it today: https://perthirtysix.com/rss.xml

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