Top Stories (First visit) HN /news Renewing GPG Subkeys in 2025 2 15 2d entropicthoughts.com/renewing-gpg-subkeys-in-2025 361Personal blogs are back, should niche blogs be next? 386 659 7d disassociated.com/personal-blogs-back-niche-blogs-next 362Design Follows Data Structures 3 34 3d tedinski.com/2019/01/29/data-structures-are-fundamental.html 363TSMC Arizona outage saw fab halt, Apple wafers scrapped 101 219 4d culpium.com/p/tsmc-arizona-outage-saw-fab-halt 364Show HN: OCR Arena – A playground for OCR models 63 215 7d ocrarena.ai/battle 365Shaders: How to draw high fidelity graphics with just x and y coordinates 89 407 6d makingsoftware.com/chapters/shaders 366Ozempic does not slow Alzheimer's, study finds 87 145 3d semafor.com/article/11/25/2025/ozempic-does-not-slow-alzheimers-study-finds 367McMaster Carr – The Smartest Website You Haven't Heard Of (2022) 54 94 5d bedelstein.com/post/mcmaster-carr 368Where Have the International Math Olympiad Gold Medallists Ended Up? Part Three 0 7 18h xquant.substack.com/p/where-have-the-international-math-f01 369Build desktop applications using Go and Web Technologies 77 97 5d github.com/wailsapp/wails 370PocketBase MCP Server 0 9 21h github.com/ssakone/pb_mcp_server 371Around 500M PCs are holding off upgrading to Windows 11, says Dell 4 24 1d theverge.com/news/831364/dell-windows-11-upgrade-numbers-earnings-call-q3-2025 372Building the largest known Kubernetes cluster 90 158 7d cloud.google.com/blog/products/containers-kubernetes/how-we-built-a-130000-node-gke-cluster 373Launch HN: Karumi (YC F25) – Personalized, agentic product demos 14 39 4d karumi.aihttp:// 374Iowa City made its buses free. Traffic cleared, and so did the air 615 503 5d nytimes.com/2025/11/18/climate/iowa-city-free-buses.html 375Why sci-fi novelist Iain M. Banks was an 'astounding' world-builder 0 10 19h newscientist.com/article/2506129-why-sci-fi-novelist-iain-m-banks-was-an-astounding-world-builder 376Comic Code Reviews 35 66 8d jona.ca/2025/11/comic-code-reviews.html 377Essence and accident in language model-assisted coding 0 10 5d sicpers.info/2025/11/essence-and-accident-in-language-model-assisted-coding 378Largest-Triangle-Three-Buckets and the Fourier Transform (2024) 9 25 7d daniel.mitterdorfer.name/posts/2024-01-30-downsampling-lttb-and-fft 379OS Malevich – how we made a system that embodies the idea of simplicity (2017) 4 16 5d ajax-systems.uz/blog/hub-os-malevich-story 380C64 Burrow.BAS 4 29 2d basic-code.bearblog.dev/c64-burrow 381We Induced Smells With Ultrasound 184 673 7d writetobrain.com/olfactory 382Show HN: Cynthia – Reliably play MIDI music files – MIT / Portable / Windows 33 86 4d blaizenterprises.com/cynthia.html 383Claude Opus 4.5 501 1109 4d anthropic.com/news/claude-opus-4-5 384MCP Apps: Extending servers with interactive user interfaces 121 190 6d blog.modelcontextprotocol.iohttp:///posts/2025-11-21-mcp-apps 385Moss Survives 9 Months in Space Vacuum 74 184 7d scienceclock.com/moss-survives-9-months-in-space-vacuum 386Optimizations in C++ compilers: a practical journey 0 3 16h queue.acm.org/detail.cfm?id=3372264 387In Denmark, 'Night's Watch' Guards Monitor Trump from the Foreign Ministry 0 8 17h jen.jiji.com/jc/eng_agt?g=adnkronos&k=20251128KRONOS-202511112509571700_eng 388Ask HN: Hearing aid wearers, what's hot? 209 354 5d 389Orion 1.0 275 436 3d blog.kagi.com/orion 390 More...