Hacker News – 21 Jun 2026

Hacker News – 21 Jun 2026

TABLE OF CONTENTS * Internet Infrastructure Milestones * Google Hits 50% IPv6 [https://news.ycombinator.com/item?id=48616800] * Developers don't understand CORS (2019) [https://news.ycombinator.com/item?id=48614844] * Epoll vs. io_uring in Linux [https://news.ycombinator.com/item?id=48613872] * Innovative Tech Projects * A 3D voxel game engine written in APL [https://news.ycombinator.com/item?id=48616713] * Loupe – An iOS app that raises awareness about what native apps can see [https://news.ycombinator.com/item?id=48608645] * UHF X11: X11 Built for VisionOS and Apple Vision Pro [https://news.ycombinator.com/item?id=48610853] * Community Initiatives and Trends * Renting a sewing machine from the library [https://news.ycombinator.com/item?id=48613755] * Running MicroVMs in Proxmox VE, the Easy Way [https://news.ycombinator.com/item?id=48599555] * SMPTE Makes Its Standards Freely Accessible [https://news.ycombinator.com/item?id=48610827] * Health and Well-being Insights * Slow breathing modulates brain function and risk behavior [https://news.ycombinator.com/item?id=48613555] * Your brain was never designed for this much bad news [https://news.ycombinator.com/item?id=48615569] * 15-minute at-home Lyme disease tick test [https://news.ycombinator.com/item?id=48584261] * Nostalgia and Learning Experiences * Guide to the TD4 4-bit DIY CPU [https://news.ycombinator.com/item?id=48591276] * Excessive nil pointer checks in Go [https://news.ycombinator.com/item?id=48583407] * Windows UI evolution: Clicking an unassociated file [https://news.ycombinator.com/item?id=48616173]

Hacker News – 31 Jul 2025

TABLE OF CONTENTS * The Future of Coding and AI * Attention is your scarcest resource (2020) [https://news.ycombinator.com/item?id=44724216] * Vibe code is legacy code [https://news.ycombinator.com/item?id=44739556] * I know when you're vibe coding [https://news.ycombinator.com/item?id=44742251] * Innovations in User Experience * Ollama's new app [https://news.ycombinator.com/item?id=44739632] * AgentGuard – Auto-kill AI agents before they burn through your budget [https://news.ycombinator.com/item?id=44742710] * Breakthroughs in Science and Technology * A Quantum Gravimeter for GPS Backup [https://news.ycombinator.com/item?id=44727130] * Early universe's 'little red dots' may be black hole stars [https://news.ycombinator.com/item?id=44739618] * Reviving Classics * Classic Common Desktop Environment coming to OpenBSD [https://news.ycombinator.com/item?id=44741539] * Optician Sans – A free font based on historical eye charts and optotypes [https://news.ycombinator.com/item?id=44736090] * Industry Updates * Figma will IPO on July 31 [https://news.ycombinator.com/item?id=44740222] * Fixing Ctrl+C in Rust terminal apps: Child process management [https://news.ycombinator.com/item?id=44728796]

Hacker News – 30 Jul 2025

TABLE OF CONTENTS * Natural Disasters and Human Response * M8.7 earthquake in Western Pacific, tsunami warning issued [https://news.ycombinator.com/item?id=44729865] * Tech in Education * Study mode [https://news.ycombinator.com/item?id=44725764] * Innovations in AI and Open Source * Launch HN: Hyprnote (YC S25) – An open-source AI meeting notetaker [https://news.ycombinator.com/item?id=44725306] * Show HN: Terminal-Bench-RL: Training long-horizon terminal agents with RL [https://news.ycombinator.com/item?id=44721791] * Science and Technology * Sleep all comes down to the mitochondria [https://news.ycombinator.com/item?id=44732020] * How the brain increases blood flow on demand [https://news.ycombinator.com/item?id=44727191] * Cultural Reflections in Tech * RIP Shunsaku Tamiya, the man who made plastic model kits a global obsession [https://news.ycombinator.com/item?id=44728188] * Analoguediehard [https://news.ycombinator.com/item?id=44700199]

Hacker News – 29 Jul 2025

TABLE OF CONTENTS * Programming Innovations * Pony: An actor-model, capabilities-secure, high-performance programming language [https://news.ycombinator.com/item?id=44719413] * SQLx – Rust SQL Toolkit [https://news.ycombinator.com/item?id=44690914] * Gaming and Streaming Technologies * I designed my own fast game streaming video codec – PyroWave [https://news.ycombinator.com/item?id=44714914] * Enough AI copilots, we need AI HUDs [https://news.ycombinator.com/item?id=44705445] * User Experiences and Concerns * Sign in with Google in Chrome [https://news.ycombinator.com/item?id=44715166] * The EU could be scanning your chats by October 2025 [https://news.ycombinator.com/item?id=44720103] * Fun and Quirky Projects * Built a rickroll machine that rickrolls you with microservices [https://news.ycombinator.com/item?id=44681254] * Show HN: Use Their ID – Use your local UK MP’s ID for the Online Safety Act [https://news.ycombinator.com/item?id=44716106] * Miscellaneous Insights * Simplify, then add delightness: On designing for children [https://news.ycombinator.com/item?id=44711745] * Different Clocks [https://news.ycombinator.com/item?id=44714223]

Hacker News – 28 Jul 2025

TABLE OF CONTENTS * AI and User Experience * LLM Embeddings Explained: A Visual and Intuitive Guide [https://news.ycombinator.com/item?id=44708028] * Enough AI Copilots, We Need AI HUDs [https://news.ycombinator.com/item?id=44705445] * Claude Code Router [https://news.ycombinator.com/item?id=44705958] * Web Development Insights * How to Make Websites That Will Require Lots of Your Time and Energy [https://news.ycombinator.com/item?id=44708270] * Performance and Telemetry Analysis of Trae IDE, ByteDance's VSCode Fork [https://news.ycombinator.com/item?id=44703164] * Creative Hacks and Innovations * I Hacked My Washing Machine [https://news.ycombinator.com/item?id=44704270] * Making Postgres Slower [https://news.ycombinator.com/item?id=44704736] * Mobile BESS Powers Remote Heavy Equipment [https://news.ycombinator.com/item?id=44677765] * Nostalgic Tech and New Tools * ZUSE – The Modern IRC Chat for the Terminal Made in Go/Bubbletea [https://news.ycombinator.com/item?id=44705494] * Software Development at 800 Words per Minute [https://news.ycombinator.com/item?id=44672149]