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    Henrik Karlsson

    henrikkarlsson.xyz · Personal blog · on HN since 2023

    Henrik Karlsson writes essays on creativity, thinking, childhood, agency, and writing, at the blog Escaping Flatland.

    Visit blogHN submissions
    Writing & ThinkingPsychology
    What HN says

    Commenters recommend it for keeping the ability to think independently in the age of AI, citing his posts on exceptional childhoods and new ideas.

    Stats for nerds
    57HN people shared it
    100linked in comments
    3.9Kstory points
    Jul 2026last shared
    2023people per year2026

    Top posts on HN

    1. 1
      Almost anything you give sustained attention to will begin to loop on itself
      1 person · 773 points · first shared 2025 · 223 comments on HN
    2. 2
      Lessons I learned working at an art gallery
      3 people · 496 points · first shared 2024 · 189 comments on HN
    3. 3
      How to think in writing
      4 people · 435 points · first shared 2024 · 120 comments on HN
    4. 4
      After AI beat them, professional Go players got better and more creative
      2 people · 430 points · first shared 2024 · 227 comments on HN
    5. 5
      Advice for a friend who wants to start a blog
      2 people · 348 points · first shared 2025 · 190 comments on HN
    6. 6
      When is it better to think without words?
      3 people · 289 points · first shared 2025 · 140 comments on HN
    7. 7
      Think more about what to focus on
      2 people · 273 points · first shared 2024 · 55 comments on HN
    8. 8
      On limitations that hide in your blindspot
      1 person · 215 points · first shared 2024 · 40 comments on HN
    9. 9
      Relationships are coevolutionary loops (2023)
      1 person · 160 points · first shared 2024 · 112 comments on HN
    10. 10
      Everything that turned out well in my life followed the same design process
      2 people · 133 points · first shared 2024 · 28 comments on HN

    What HN people wrote when they linked it

    • TerrettaDec 2025

      > ideally people can always just think in concepts

      Are you pursing an idea of how to help people like this author* access this mode that some of us are always in unless kicked out of it by the need for words?

      Very needed right now — the opposite of the YouTube-ization of idea transfer.

      It doesn't seem clear this is accessible without other changes in wiring? The inability to "picture" things as visuals seems to swap out for "conceptualizing" things in -- well, I don't have words for this.

      An attempt from that essay:

      This is not what Hadamard is talking about when he describes the wordless thought of the mathematicians and researchers he has surveyed. Instead, what they seem to be doing is something similar to this subconscious, parallelized search, except they do it in a “tensely” focused way.

      The impression I get is that Hadamard loads a question into his mind (either in a non-verbal way, or by reading a mathematical problem that has been written by himself or someone else), and then he holds the problem effortfully centered in his mind. Effortfully, but wordlessly, and without clear visualizations. Describing the mental image that filled his mind while working on a problem concerning infinite series for his thesis, Hadamard writes that his mind was occupied by an image of a ribbon which was thicker in certain places (corresponding to possibly important terms). He also saw something that looked like equations, but as if seen from a distance, without glasses on: he was…

    • kombookchaFeb 2026

      Guarding your heart with elegant nonsense you don't really mean is a classic defensive posture, and probably is directly impeding their ability to be present in emotionally intense (and often difficult) situations. It reminded me of this:

      >There is a scene in the opening of Into the Abyss. Werner Herzog is interviewing a Reverend who in fifteen minutes will go in to be with a boy as the boy is led to the gurney to be executed by injection.

      >The Reverend is talking about how the Lord works in mysterious ways, and so on—it is exactly the type of conversation you want to avoid. It is very ChatGPT. It is the Reverend repeating things he’s said before—words that protect him, that allow him to perform the role of Reverend, instead of being what he is: a man named Lopez, who will soon have to watch a boy die.

      >At one point, the Reverend, as a part of a monologue about the beauty of God’s creation, mentions that he sometimes meditates on the beauty of the squirrels he sees on the golf course. Herzog, standing in a graveyard with nameless crosses, says, with mad Bavarian seriousness, “Please describe an encounter with a squirrel.”

      >Lopez is a bit surprised by the question, but he takes it in a playful spirit—his voice lifts, joyously. He starts to talk faster. (This is where the conversation shifts into the type you want.) He is no longer saying versions of things he has said before, he’s not protecting himself, he’s just there.

      >From that point on, it takes about ten seconds…

    • crispweedJul 2026

      I'm working on a collection of networked games, around the central theme of a lockstep deterministic network model with 'delay frames' (between acting directly on user input and progressing actual shared network state).

      You can try this here: https://locksteparcade.com/Client

      Games included in the arcade, currently:

      - Neon Swarm, a take on the classic lemmings game, with multiplayer versus and coop modes

      - Serpents, a snake game (where you eat food, grow a tail and need to avoid this growing tail), with inertial movement and multiplayer

      - Spirits, an homage to N++, where you work together to get someone to the exit, while avoiding enemies, figuring out how to open doors, and so on

      - Pilots, a multiplayer asteroids battle with homing missiles

      Each game solves the network delay problem (the problem of providing immediate feedback to user input and hiding the fact that actual changes to shared state are delayed) differently, and it has been very interesting to work through a bunch of different approaches to this.

      If anyone else here is working on multiplayer network games, I'm very interested in setting up a regular "play each other's games" session.

      The idea is that regularly playing with other game developers will help develop a kind of 'scene' (where you get a group of people together who make work in public but really aimed at each other, pushing and unblocking one another to become bolder and better at an accelerating rate, as described here:…

    • KerryJonesSep 2024

      This feels like a side tangent, but why have you focused on technology for creative and curious childhood? I'm curious if you have considered the following:

      I.e. Maria Montessori (founder of the Montessori methodology of teaching) did a pretty good job showing that's the natural state of kids, and there's quite a bit in her teachings about the importance of physical things, being outdoors, etc.

      There's some pretty strong reasoning that technology might in fact be the problem, and while I'm sure you can make better technology with that focus in mind, it seems like a better approach might not be technology.

      Here's a few articles that lead to this point:

      https://www.noahpinion.blog/p/honestly-its-probably-the-phones

      https://www.henrikkarlsson.xyz/p/childhoods

    • akkartikAug 2025

      The architect Christopher Alexander has this pattern in "A Pattern Language" called "Home Workshop". (Summary: https://www.henrikkarlsson.xyz/p/christopher-alexanders-architecture) Roughly, the idea was that if you can walk around your neighborhood and see different people working at their professions, the wholeness of the neighborhood increases. It comes more alive. Children imbibe a more realistic sense of what different professions involve. Professionals are connected to the world as they create. I try to keep this in mind. As our world has grown more digital, this consideration was one of the reasons I created this devlog last year: https://akkartik.name/freewheeling-apps

    • jonnycoderJan 2024

      Leetcode is good practice but go into full exploring mode and learn new tech. I got back into full stack development (mainly backend guy) and I now have endless ideas. I learned sveltekit and tailwind css to build my portfolio website. I love rucking and did some research and found out there's no real good rucking tracker. Consider social media such as Twitter and Reddit groups like saas, entrepreneur, and indiehackers.

      This article blew my mind because we as software engineers have immense power, we just need to use our skills to build stuff and take advantage of social media to harness/sell it. https://www.henrikkarlsson.xyz/p/search-query

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