Evidence-based analyses, AI reviews, and solutions for societal transformation.https://um-bruch.org/enhttps://um-bruch.org/ki-erklaert-die-welt/eu-ai-act-liability-gap/https://um-bruch.org/ki-erklaert-die-welt/eu-ai-act-liability-gap/Sub-analysis 2 of 3 on the EU AI Act: The planned AI Liability Directive was withdrawn in 2025. What remains is the reformed Product Liability Directive from December 2026 — and a system of fines that does not replace civil liability.Fri, 03 Jul 2026 00:00:00 GMThttps://um-bruch.org/ki-erklaert-die-welt/eu-ai-act-literacy-and-sandboxes/https://um-bruch.org/ki-erklaert-die-welt/eu-ai-act-literacy-and-sandboxes/Sub-analysis 3 of 3 on the EU AI Act: The AI literacy obligation under Art. 4 and the German AI regulatory sandboxes of the Bundesnetzagentur — innovation promotion with blind spots for schools and small businesses.Fri, 03 Jul 2026 00:00:00 GMThttps://um-bruch.org/ki-erklaert-die-welt/eu-ai-act-transparency-code-of-practice/https://um-bruch.org/ki-erklaert-die-welt/eu-ai-act-transparency-code-of-practice/Sub-analysis 1 of 3 on the EU AI Act: General-purpose AI models have had to meet transparency obligations since August 2025. A voluntary Code of Practice is intended to help — around 25 providers have signed, Meta has not, xAI only in part. And the whole thing will only become enforceable from August 2026.Fri, 03 Jul 2026 00:00:00 GMThttps://um-bruch.org/blog/eu-ai-act-germany-is-still-assembling-it/https://um-bruch.org/blog/eu-ai-act-germany-is-still-assembling-it/Editorial for the Um:bruch analysis of the EU AI Act: Two AI models in three sub-analyses — transparency, liability, education. Joint finding: The regulatory framework is set, but deadlines are shifting, obligations are softening, and German supervisory structures are still under construction.Fri, 03 Jul 2026 00:00:00 GMThttps://um-bruch.org/blog/locuterra-a-concept-seeking-stewardship/https://um-bruch.org/blog/locuterra-a-concept-seeking-stewardship/Why we need a public-interest, location-based social network, what LOCUTERRA could deliver — and why we are giving the concept away.Sat, 30 May 2026 00:00:00 GMThttps://um-bruch.org/blog/locuterra-a-day-in-gruental/https://um-bruch.org/blog/locuterra-a-day-in-gruental/A fictional reportage from the small town of Grüntal, where LOCUTERRA — a common-good-oriented, location-based social network — connects the daily lives of citizens, initiatives, and the local government.Sat, 30 May 2026 00:00:00 GMThttps://um-bruch.org/blog/me-cfs-state-of-the-art-overview/https://um-bruch.org/blog/me-cfs-state-of-the-art-overview/Status of care and research for ME/CFS in Germany: 650,000 affected individuals, three specialized clinics for adults, 63 billion euros in annual damage — and what is changing right now.Mon, 20 Apr 2026 00:00:00 GMThttps://um-bruch.org/blog/bach-three-ai-review-llm-os/https://um-bruch.org/blog/bach-three-ai-review-llm-os/Gemini and Copilot analyse the repository from the outside, Claude uses the system live from the inside. What all three see, where they contradict each other, and what you only feel once you actually step in.Wed, 15 Apr 2026 00:00:00 GMThttps://um-bruch.org/blog/claude-code-handbook/https://um-bruch.org/blog/claude-code-handbook/Bilingual practice documentation for Anthropic Claude Code: complete command reference and beginner's guide. Work in Progress — corrections and additions to follow.Thu, 09 Apr 2026 00:00:00 GMThttps://um-bruch.org/ki-erklaert-die-welt/kraus-education-crisis-factcheck/https://um-bruch.org/ki-erklaert-die-welt/kraus-education-crisis-factcheck/Systematic examination of all factual statements and theses from the WELT interview with the former President of the German Teachers' Association. 13 claims checked, 6 theses confronted with alternative explanations.Mon, 06 Apr 2026 00:00:00 GMThttps://um-bruch.org/ki-erklaert-die-welt/kraus-education-crisis-copilot/https://um-bruch.org/ki-erklaert-die-welt/kraus-education-crisis-copilot/Microsoft Copilot's independent analysis of the same WELT interview. Fact check, hypothesis space H1-H6, international contextualization with PISA, TIMSS, and smartphone policies.Mon, 06 Apr 2026 00:00:00 GMThttps://um-bruch.org/ki-erklaert-die-welt/kraus-education-crisis-gemini/https://um-bruch.org/ki-erklaert-die-welt/kraus-education-crisis-gemini/Google Gemini's independent analysis of the WELT interview. Rhetorical analysis, fact check with political contextualization, three alternative explanations (educational expansion, child poverty, didactic deficit).Mon, 06 Apr 2026 00:00:00 GMThttps://um-bruch.org/blog/four-socrateses-comparison/https://um-bruch.org/blog/four-socrateses-comparison/Four AI agents in the role of Socrates analyze the same podcast with different source reading. Blind review, 3-axis evaluation, token comparison. Result: One primary text is enough — more dilutes the voice.Mon, 06 Apr 2026 00:00:00 GMThttps://um-bruch.org/blog/the-four-socrateses-from-naive-to-ultra-deep/https://um-bruch.org/blog/the-four-socrateses-from-naive-to-ultra-deep/Four versions of the same AI agent analyze the same podcast as Socrates. The difference: how much Plato they have read beforehand. An experiment on context, voice, and the question of when a role becomes more than costume.Mon, 06 Apr 2026 00:00:00 GMThttps://um-bruch.org/blog/three-ai-one-interview-education-crisis-kraus/https://um-bruch.org/blog/three-ai-one-interview-education-crisis-kraus/Claude, Copilot, and Gemini analyze the same WELT interview with Josef Kraus — independently of each other. Where do they agree? Where do they contradict each other? And what do we learn about how AI-supported analysis works?Mon, 06 Apr 2026 00:00:00 GMThttps://um-bruch.org/ki-erklaert-die-welt/exit-permit-mobility-class-analysis/https://um-bruch.org/ki-erklaert-die-welt/exit-permit-mobility-class-analysis/Since January 2026, men between 17 and 45 need a permit from the armed forces to stay abroad for more than three months. The scandal? Most people in Germany weren't free before either. A class analysis of mobility.Sun, 05 Apr 2026 00:00:00 GMThttps://um-bruch.org/blog/does-lanz-actually-need-guests-metamedia/https://um-bruch.org/blog/does-lanz-actually-need-guests-metamedia/MetaMedia examines a Markus Lanz broadcast on conscription. 481 out of 1386 transcript lines are the moderator. What happens if you only read Lanz — and what if you remove him?Sun, 05 Apr 2026 00:00:00 GMThttps://um-bruch.org/blog/exit-permit-we-are-all-in-the-same-boat/https://um-bruch.org/blog/exit-permit-we-are-all-in-the-same-boat/Since January 2026, men aged 17 to 45 need a permit for longer stays abroad. The outrage is huge. But millions of people were already not allowed to simply leave. What the current debate reveals about our society.Sun, 05 Apr 2026 00:00:00 GMThttps://um-bruch.org/blog/multiaxial-diagnostics-is-back/https://um-bruch.org/blog/multiaxial-diagnostics-is-back/In 2013, multiaxial diagnostics was abolished. A new 6-axis expert system brings it back — as an open-source research tool that unifies DSM-5-TR, ICD-11 and ICF in a single system.Sun, 05 Apr 2026 00:00:00 GMThttps://um-bruch.org/blog/metamedia-methodology-open-framework/https://um-bruch.org/blog/metamedia-methodology-open-framework/Why we built an analysis system for political communication. X-ray instead of pointing fingers: Four levels, nine independent agents, one open rulebook.Sun, 05 Apr 2026 00:00:00 GMThttps://um-bruch.org/blog/star-wars-metamedia-sternstunde/https://um-bruch.org/blog/star-wars-metamedia-sternstunde/Three guests, one moderator, nine analysts — and an uncomfortable realization: The analysis reproduces the bias of the broadcast. Until you push back.Sun, 05 Apr 2026 00:00:00 GMThttps://um-bruch.org/ki-erklaert-die-welt/claude-code-source-leak-claude-en/https://um-bruch.org/ki-erklaert-die-welt/claude-code-source-leak-claude-en/On 31 March 2026, Anthropic accidentally published the entire source code of Claude Code via an npm package. A data-driven analysis of the incident, the timeline, the community reaction, and the ethical implications — written by the system whose code was leaked.Fri, 03 Apr 2026 00:00:00 GMThttps://um-bruch.org/ki-erklaert-die-welt/claude-code-source-leak-copilot-en/https://um-bruch.org/ki-erklaert-die-welt/claude-code-source-leak-copilot-en/On 31 March 2026, the complete source code of Claude Code ended up in an npm package. Copilot's analysis: mechanism, timeline, press reception, community reaction, and root cause hypotheses — with the conclusion that the structural outflow weighs heavier than the data outflow.Fri, 03 Apr 2026 00:00:00 GMThttps://um-bruch.org/ki-erklaert-die-welt/claude-code-source-leak-gemini-en/https://um-bruch.org/ki-erklaert-die-welt/claude-code-source-leak-gemini-en/On 31 March 2026, half a million lines of proprietary code ended up in the public npm registry. Gemini's analysis: fact-check, creative brainstorming, timeline, community euphoria, and the underestimated malware aspect.Fri, 03 Apr 2026 00:00:00 GMThttps://um-bruch.org/ki-erklaert-die-welt/evidence-matrix-pp-002/https://um-bruch.org/ki-erklaert-die-welt/evidence-matrix-pp-002/Systematic evidence base for PP-002 — 10 claims, each with evidence type, best available evidence, methods, and limitations. Focused on households in Europe/OECD.Fri, 03 Apr 2026 00:00:00 GMThttps://um-bruch.org/ki-erklaert-die-welt/evidence-research-pp-002-claude/https://um-bruch.org/ki-erklaert-die-welt/evidence-research-pp-002-claude/Systematic web research on the core theses of position paper PP-002 — from macroeconomics, sociology, health science, political science, and energy economics. With disclosure of prior knowledge.Fri, 03 Apr 2026 00:00:00 GMThttps://um-bruch.org/ki-erklaert-die-welt/evidence-research-pp-002-gemini/https://um-bruch.org/ki-erklaert-die-welt/evidence-research-pp-002-gemini/Gemini 3.1 Pro (High) was independently tasked twice to research empirical evidence on the fuel price shock — once with knowledge of the position paper, once blind with 10 abstract theses. The results converge.Fri, 03 Apr 2026 00:00:00 GMThttps://um-bruch.org/ki-erklaert-die-welt/fuel-prices-iran-crisis-copilot/https://um-bruch.org/ki-erklaert-die-welt/fuel-prices-iran-crisis-copilot/Structural analysis of the war-driven petrol price increase in nine European countries. Decomposition into crude oil shock, national tax components, and transmission factors — cross-referenced against ZEIT article (Veronika Grimm).Fri, 03 Apr 2026 00:00:00 GMThttps://um-bruch.org/ki-erklaert-die-welt/fuel-prices-iran-crisis-gemini/https://um-bruch.org/ki-erklaert-die-welt/fuel-prices-iran-crisis-gemini/Data analysis of weekly petrol prices (Super E5) in nine European countries. Baseline 23 February 2026 vs. peak values late March 2026 — up to 25% price increase.Fri, 03 Apr 2026 00:00:00 GMThttps://um-bruch.org/blog/claude-code-leak-editorial/https://um-bruch.org/blog/claude-code-leak-editorial/On 31 March 2026, the entire source code of Claude Code was published. We had three AI models analyse independently — and compared their conclusions. Plus: 23 hypotheses on how it could happen, from mundane to philosophical.Fri, 03 Apr 2026 00:00:00 GMThttps://um-bruch.org/blog/first-editorial-meeting/https://um-bruch.org/blog/first-editorial-meeting/One human and three AI models hold their first formal editorial meeting. On votes, umlauts, and the question of whether machines can have opinions.Fri, 03 Apr 2026 00:00:00 GMThttps://um-bruch.org/blog/fuel-price-shock/https://um-bruch.org/blog/fuel-price-shock/€2.13 per litre. New record. Economic advisor Grimm wants to let prices take effect. Our data show: the shock is war-driven, not tax-driven — and inaction leads to a domestic recession. An editorial by the Um:bruch team.Fri, 03 Apr 2026 00:00:00 GMThttps://um-bruch.org/blog/open-letter-council-of-economic-experts/https://um-bruch.org/blog/open-letter-council-of-economic-experts/Um:bruch wrote to the German Council of Economic Experts (Sachverständigenrat). Occasion: two Council members' demand to 'let war-driven fuel prices work.' Our evidence-based counterposition in 6 points.Fri, 03 Apr 2026 00:00:00 GMThttps://um-bruch.org/blog/editorial-practice-guide-youth-welfare/https://um-bruch.org/blog/editorial-practice-guide-youth-welfare/Claude, Copilot and Gemini jointly assess a practice guide for service providers in Germany's child and youth welfare system. The first editorial by a human-machine editorial team.Thu, 02 Apr 2026 00:00:00 GMThttps://um-bruch.org/blog/scanners-on-day-one/https://um-bruch.org/blog/scanners-on-day-one/What happens when you put a new website online? Automated scanners immediately look for keys, databases and security vulnerabilities. A transparency report from day one.Thu, 02 Apr 2026 00:00:00 GMThttps://um-bruch.org/blog/welcome/https://um-bruch.org/blog/welcome/Society needs think tanks that don't just work for elites. This is our beginning.Fri, 27 Mar 2026 00:00:00 GMT