Personal blog by Joona Heinohttps://blog.joonaheino.com/https://blog.joonaheino.com/posts/the-vestibule-problem/https://blog.joonaheino.com/posts/the-vestibule-problem/Death can't get through the revolving door. The cloak is non-negotiable.Mon, 09 Feb 2026 12:00:00 GMThttps://blog.joonaheino.com/posts/optimal-amount-violence-not-zero/https://blog.joonaheino.com/posts/optimal-amount-violence-not-zero/A game theory simulation exploring how graduated sanctions and learning mechanisms can transform defectors into cooperators, demonstrating that optimal punishment lies somewhere between zero violence and maximum retribution.Wed, 14 Jan 2026 10:00:00 GMThttps://blog.joonaheino.com/posts/the-borderlands-of-knowledge/https://blog.joonaheino.com/posts/the-borderlands-of-knowledge/A big black blob on the map allows for exploration.Tue, 23 Dec 2025 07:55:55 GMThttps://blog.joonaheino.com/posts/ovid-metamorphoses-disco/https://blog.joonaheino.com/posts/ovid-metamorphoses-disco/The answer is yes. And roots reggae, blues metal, country, EDM, glam rock, and philosophical jazz rap. Because when gods turn people into trees for sport, a single genre feels insufficient.Tue, 18 Nov 2025 08:00:00 GMThttps://blog.joonaheino.com/posts/systems-granularity-abstraction/https://blog.joonaheino.com/posts/systems-granularity-abstraction/How complex systems can be understood at multiple levels of granularity, from strategic decisions to optimization hell, and why picking the right level of abstraction matters.Thu, 09 Oct 2025 08:15:00 GMThttps://blog.joonaheino.com/posts/there-is-no-present-bias/https://blog.joonaheino.com/posts/there-is-no-present-bias/What if 'present bias' isn't irrational at all? Drawing from motor control theory, this post argues that preference reversals emerge from optimal computational constraints—not competing neural systems. Includes testable predictions.Sun, 05 Oct 2025 12:00:00 GMThttps://blog.joonaheino.com/posts/moving-house/https://blog.joonaheino.com/posts/moving-house/Residential churn rewires minds and cities. From primogeniture’s landless sons to modern renters, what moving does to people and power.Fri, 12 Sep 2025 11:40:00 GMThttps://blog.joonaheino.com/posts/40hz-gamma-entrainment/https://blog.joonaheino.com/posts/40hz-gamma-entrainment/YOU TOO CAN LISTEN TO BEEPS AND CLICKS! I built a research-style 40 Hz auditory stim rig, explain how it works, why 40 Hz, and my simple protocol. Code and web app included.Fri, 12 Sep 2025 10:15:00 GMThttps://blog.joonaheino.com/posts/ai-book-blog-post/https://blog.joonaheino.com/posts/ai-book-blog-post/How I Produced a 300-Page Book in Three Months - exploring the new creative processes that emerge when AI touches every part of production.Fri, 22 Aug 2025 12:00:00 GMThttps://blog.joonaheino.com/posts/the-hearth-problem/https://blog.joonaheino.com/posts/the-hearth-problem/On why the square beats the feedSat, 16 Aug 2025 00:00:00 GMThttps://blog.joonaheino.com/posts/auftragstaktik/https://blog.joonaheino.com/posts/auftragstaktik/Exploring the German military doctrine of Auftragstaktik - command by intent rather than detailed instructions - and how it applies to modern leadership and management.Thu, 14 Aug 2025 10:00:00 GMThttps://blog.joonaheino.com/posts/first-impressions/https://blog.joonaheino.com/posts/first-impressions/How opinions get made in the wild, why they often feel sturdy but rest on thin ice, and how agenda setting, priming, framing, and moral identity can be used to shape them.Tue, 12 Aug 2025 00:00:00 GMThttps://blog.joonaheino.com/posts/status-llms-how-ai-perceives-status/https://blog.joonaheino.com/posts/status-llms-how-ai-perceives-status/Frontier LLMs were asked to generate high‑status objects and activities, then score them. The results show a shared core of prestige signals and where models diverge as temperature rises.Fri, 01 Aug 2025 06:00:00 GMThttps://blog.joonaheino.com/posts/comfort-paradox-capacity-age-of-ease/https://blog.joonaheino.com/posts/comfort-paradox-capacity-age-of-ease/Modern life optimizes for frictionlessness. This essay outlines how calibrated difficulty builds capacity, why incentives drive adoption, and how to design for readiness without moralizing.Thu, 31 Jul 2025 12:00:00 GMThttps://blog.joonaheino.com/posts/invest-america-ownership-revolution/https://blog.joonaheino.com/posts/invest-america-ownership-revolution/An analysis of Brad Gerstner's 'Invest America' proposal and why universal ownership might be the concrete, implementable solution to social and economic inequality that actually works.Wed, 28 May 2025 12:00:00 GMThttps://blog.joonaheino.com/posts/people-with-time/https://blog.joonaheino.com/posts/people-with-time/An exploration of how economic freedom enables intellectual discovery, examined through a weekend project profiling thirty historical figures who combined brilliant minds with the luxury of time.Mon, 26 May 2025 12:00:00 GMThttps://blog.joonaheino.com/posts/minimum-viable-brother/https://blog.joonaheino.com/posts/minimum-viable-brother/An analysis of how combat sports gyms function as laboratories for social cohesion, revealing mechanisms for genuine human connection amid fundamental disagreement.Wed, 21 May 2025 12:00:00 GMThttps://blog.joonaheino.com/posts/humboldt-limits-state-action-reworking/https://blog.joonaheino.com/posts/humboldt-limits-state-action-reworking/An extensively structured and edited version of Wilhelm von Humboldt's classic work on the limits of state power, based on the 1851 Cauer edition, designed for enhanced readability and navigation.Mon, 12 May 2025 12:00:00 GMThttps://blog.joonaheino.com/posts/generative-ai-cope/https://blog.joonaheino.com/posts/generative-ai-cope/Why disdain for generative AI is mostly status anxiety, how LLMs are already transforming work and learning, and why we should be using them everywhere.Mon, 28 Apr 2025 10:00:00 GMThttps://blog.joonaheino.com/posts/representation-shift/https://blog.joonaheino.com/posts/representation-shift/Why tasks that feel impossible—like chick-sexing, radiology, or quantum physics—flip to effortless once we find the right representation, and what that means for humans, machines, and the future of thinking.Wed, 23 Apr 2025 10:00:00 GMThttps://blog.joonaheino.com/posts/double-standards/https://blog.joonaheino.com/posts/double-standards/Examining how we've created a system where achievements are punished and mediocrity is rewarded depending on which 'team' you belong to, and why consistent standards matter for building a healthy society.Wed, 02 Apr 2025 10:00:00 GMThttps://blog.joonaheino.com/posts/squandered-promise-vibe-shift/https://blog.joonaheino.com/posts/squandered-promise-vibe-shift/Two recent vibe shifts promised radically different futures—one driven by innovation, merit, and agency, and the other by vague ideals of fairness through destruction. Tragically, we're choosing the wrong path, risking historical mistakes.Thu, 20 Mar 2025 10:00:00 GMThttps://blog.joonaheino.com/posts/infinite-jest-of-autoregression/https://blog.joonaheino.com/posts/infinite-jest-of-autoregression/LLMs can describe their internal world in rich, coherent ways, but asking them about technical details on how they, specifically, work is a fool's errand. Understanding the difference is key to meaningful AI interactions, and there's an entire emerging field dedicated to figuring it out.Tue, 18 Mar 2025 10:00:00 GMThttps://blog.joonaheino.com/posts/doomers-and-pascal/https://blog.joonaheino.com/posts/doomers-and-pascal/Exploring why some beliefs are cheap and rewarding, while others are costly and harmful (even when they're wrong) and why optimism paired with action beats nihilistic pessimism every time.Thu, 13 Mar 2025 10:00:00 GMThttps://blog.joonaheino.com/posts/quiet-cost-wrong-assumptions/https://blog.joonaheino.com/posts/quiet-cost-wrong-assumptions/Exploring how unexamined assumptions quietly constrain innovation and progress. Demonstrates the hidden costs of entrenched beliefs and highlights strategies for systematically challenging and overcoming these mental barriers.Tue, 11 Mar 2025 12:00:00 GMThttps://blog.joonaheino.com/posts/affordances-missed-opportunities-future-abundance/https://blog.joonaheino.com/posts/affordances-missed-opportunities-future-abundance/Exploring how invisible affordances shape our imagination, why missed opportunities are hard to measure, and how intentionally reshaping our institutions can unlock an abundant future.Wed, 05 Mar 2025 10:00:00 GMThttps://blog.joonaheino.com/posts/case-for-a-european-dream/https://blog.joonaheino.com/posts/case-for-a-european-dream/Exploring Europe's lack of a compelling shared narrative, why it matters, and how crafting a credible European Dream can unleash Europe's dormant potential.Sun, 02 Mar 2025 12:00:00 GMThttps://blog.joonaheino.com/posts/truth-vs-utility-in-memes/https://blog.joonaheino.com/posts/truth-vs-utility-in-memes/An analysis of how truth and utility values diverge in information ecosystems, examining why false but useful ideas routinely outcompete true but less applicable ones. Maps the mechanics of idea propagation through concrete examples, from marketing-driven breakfast myths to cosmic facts that fail to spread despite their truth. Demonstrates how utility premiums emerge from implementation speed, feedback loops, and social reinforcement - independent of truth content. A framework for understanding why we believe what we believe, anchored in the mechanics of information spread.Sat, 15 Feb 2025 12:00:00 GMThttps://blog.joonaheino.com/posts/dog-breeds-ai-project/https://blog.joonaheino.com/posts/dog-breeds-ai-project/Exploring how AI models understand and associate dog breeds with their characteristics, and what we can learn from comparing AI perceptions with human knowledge.Thu, 13 Feb 2025 12:00:00 GMThttps://blog.joonaheino.com/posts/meme-hygiene-navigating-infodemic/https://blog.joonaheino.com/posts/meme-hygiene-navigating-infodemic/Practical tactics for navigating the infodemic, cultivating meme hygiene, and protecting ourselves from manipulative ideas.Fri, 07 Feb 2025 14:00:00 GMThttps://blog.joonaheino.com/posts/meme-machine-ideas-hijack-our-minds/https://blog.joonaheino.com/posts/meme-machine-ideas-hijack-our-minds/An exploration of memetics, how ideas spread and compete, and the cultural engineering that shapes our beliefs and behaviors.Fri, 07 Feb 2025 12:00:00 GMThttps://blog.joonaheino.com/posts/why-cultural-practices-persist-or-perish/https://blog.joonaheino.com/posts/why-cultural-practices-persist-or-perish/An analysis of why some cultural habits stick around after their original purpose fades, while others disappear. Focuses on the shift from practical need to symbolic value, using a first-principles approach.Thu, 06 Feb 2025 12:00:00 GMThttps://blog.joonaheino.com/posts/laws-of-memetics/https://blog.joonaheino.com/posts/laws-of-memetics/A synthesis of Dawkins and Girard: why ideas spread has almost nothing to do with whether they're true. Seven laws of memetic transmission and what they explain.Wed, 29 Jan 2025 12:00:00 GMT