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August 21, 2026 at 08:39 PM

Scientists release biggest 2D map of the universe Direct link to Legacy Survey Sky Viewer: <a href="https:&#x2F;&#x2F;viewer.legacysurvey.org" rel="nofollow">https:&#x2F;&#x2F;viewer.legacysurvey.org</a>

Found: August 21, 2026 ID: 7125

Show HN: Interactive map of the Odyssey with tap-to-gloss Homeric Greek Built an interactive atlas of Odysseus&#x27;s voyage. See where the stops fall in today&#x27;s world, with etymological and knowledge nuggets. 17 stops from Troy to Ithaca. Every stop has Homer&#x27;s actual Greek (Perseus TEI), Murray&#x27;s 1919 translation, and every single Greek word is tappable for a translation.<p>Press N and the ancient chart swaps to today&#x27;s satellite view: these are real places (e.g. Scylla refers to a town called Scilla in Calabria).<p>Stack: SvelteKit static + MapLibre, no backend, all public-domain texts and art with a full colophon. Please leave corrections and feedback!

Found: August 21, 2026 ID: 7133

Rebuilding our Electron meeting-recording engine in Swift

Found: August 21, 2026 ID: 7127

Show HN: Visual way to understand things in parallel Hey HN!<p>Really excited to be showing what I think is a better way to understand complex topics with AI.<p>You start a chat with your question, and whenever you want to clarify something or understand some jargon, you can branch out a new chat from that thread.<p>The cool unlock is being able to see all related chat threads in the same context without tab switching, for e.g. I can first dive into understanding world models, then spin a new chat thread on who the key players are in there, and another asking what&#x27;s the frontier with this stuff.<p>The responses are also not just a wall of text. They&#x27;re: - Filled with interactive diagrams and visuals - Super fast<p>And for those curious, this is how we built it: - React Flow (@xyflow&#x2F;react) for the canvas - React Components for interactive diagrams - GPT Image 2 for image generations - Gemini 3.5 Flash Lite for super fast response - Parallelization whenever possible to keep things fast<p>You can also highlight and add notes :)<p>Try it out and let me know what you think!

Found: August 21, 2026 ID: 7135

Show HN: Proliferate- open-source, self-hostable Codex for any coding agent Hi HN- I&#x27;m Pablo, the founder of Proliferate (YC S25)!<p>Proliferate (<a href="https:&#x2F;&#x2F;github.com&#x2F;proliferate-ai&#x2F;proliferate" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;proliferate-ai&#x2F;proliferate</a>) is an open-source, self-hostable AI IDE that lets you work and automate tasks with Claude Code, Codex, OpenCode, Cursor, and Grok in one place.<p>Here&#x27;s a quick 2m demo of how we use Proliferate to build Proliferate: <a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=tGNX0oaWmBY" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=tGNX0oaWmBY</a><p>I started building Proliferate after my team onboarded to OpenAI Codex. Within days, we were using it for everything: using computer use instead of navigating websites ourselves, having Codex coordinate other agents, and setting up automations for recurring work. We really never needed to leave the desktop app to get work done.<p>If my team’s experience is anything close to representative, a Codex-like app (a horizontal agent with a beautiful UI) is the main interface every company is going to use to get work done. That is perfectly in line with OpenAI’s mission to make Codex the everything app (see: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=47796469">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=47796469</a>).<p>But as we started automating work closer to the core of the business, I wanted to work with agents from all the labs, including open-weight models, without becoming increasingly dependent on OpenAI.<p>And that’s what Proliferate is for! It&#x27;s the open-source, self-hostable Codex that preserves your optionality across agents and model providers while building toward Codex’s breadth.<p>Today Proliferate supports:<p>* Working with Claude Code, Codex, OpenCode, Cursor, and Grok with their native inference and configuration options, including Bedrock, Azure, and self hosted inference.<p>* Inter-agent communication and management: a parent agent can spawn and communicate with another supported agent as a subagent (I personally like to have Fable delegate to Codex, with OpenCode models reviewing PRs).<p>* Building workflows- one of the features I&#x27;m most excited about. These are re-usable chains of agent sessions and human approval gates, with the harness and model chosen per step and documents passed between them. I use this to automate code review, QA, and my PR construction process.<p>All of Proliferate is 100% open source under AGPL-3.0. There are still definitely some rough spots, but we’re building fast and I’d really love any feedback!

Found: August 21, 2026 ID: 7129

Building an (almost) fully self-hosted, sandboxed, agentic software factory

Found: August 21, 2026 ID: 7128

Show HN: Gramola, a CoverFlow-style music dock for macOS I&#x27;m a 23yo solo dev from Spain with a passion for UI&#x2F;UX and I built Gramola, a music dock for macOS that is there when you need it. No more opening a music app to change what you&#x27;re listening to; just move your mouse to the edge of the screen, and all your music is there in a gorgeous CoverFlow style, or ready to be instantly searched.<p>Fully usable with a mouse, but also fully usable with keyboard, accessibility built in, and both Spotify and Apple Music support as well as local tracks via the Music app.<p>Free to try for 7 days! I would love to know what you think :)<p>Please feel free to ask any questions, technical or not! I would love to explain.<p>Demo videos and other images on the App Store page and my website (<a href="https:&#x2F;&#x2F;gramola.fulltimefeline.com" rel="nofollow">https:&#x2F;&#x2F;gramola.fulltimefeline.com</a>)

Found: August 21, 2026 ID: 7134

Cancer-related mortality among US pilots and flight attendants <a href="https:&#x2F;&#x2F;jamanetwork.com&#x2F;journals&#x2F;jamainternalmedicine&#x2F;article-abstract&#x2F;2852504" rel="nofollow">https:&#x2F;&#x2F;jamanetwork.com&#x2F;journals&#x2F;jamainternalmedicine&#x2F;articl...</a>

Found: August 21, 2026 ID: 7131

Show HN: AgentSight – eBPF observability for AI agents, no code changes

Found: August 21, 2026 ID: 7124

Show HN: A desktop fly drawn to the scent of vibecode It is a fork of <a href="https:&#x2F;&#x2F;github.com&#x2F;DenisSergeevitch&#x2F;desktop-fly" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;DenisSergeevitch&#x2F;desktop-fly</a>, but with an important update.<p>Now the fly can pick up the scent of the codebase with its neurons and fly straight to the source code of your B2B AI SaaS startup. It has learned to scan its surroundings for agent markers: AGENTS.md, CLAUDE.md, .cursor&#x2F;rules, .kiro&#x2F;steering, and forty others. Anything on the screen that points to these markers becomes a source of the scent - an editor window with an open project, a line in Finder, or a desktop icon. An open project reeks the strongest, while a closed icon or nested folders give off a fainter odor.

Found: August 21, 2026 ID: 7123

Code Obfuscation via Local Mixing

Hacker News (score: 26)

Code Obfuscation via Local Mixing

Found: August 21, 2026 ID: 7130

How I came to write that paper with Leslie Lamport <a href="https:&#x2F;&#x2F;www.microsoft.com&#x2F;en-us&#x2F;research&#x2F;publication&#x2F;specification-language-typed&#x2F;" rel="nofollow">https:&#x2F;&#x2F;www.microsoft.com&#x2F;en-us&#x2F;research&#x2F;publication&#x2F;specifi...</a>

Found: August 21, 2026 ID: 7132

WPD won't replace stolen Flock cameras, citing public trust

Found: August 21, 2026 ID: 7121

I accidentally logged phone calls to military bases

Found: August 21, 2026 ID: 7119

Grand jury declines to indict Ohio man charged with destroying Flock camera

Found: August 21, 2026 ID: 7120

Felony charges for citizen deleting phone data at US Border <a href="https:&#x2F;&#x2F;archive.ph&#x2F;SflVC" rel="nofollow">https:&#x2F;&#x2F;archive.ph&#x2F;SflVC</a><p><a href="https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=_2rokxux5cU" rel="nofollow">https:&#x2F;&#x2F;www.youtube.com&#x2F;watch?v=_2rokxux5cU</a>

Found: August 21, 2026 ID: 7126

The road to ACID transactions in Cassandra 6

Found: August 21, 2026 ID: 7122

Show HN: Lunar, a coding harness extensible with Lua Hi all! Sharing a small pet project my agents and I have been working on:<p>Lunar, a coding harness configurable and extensible via Lua scripts.<p>I&#x27;m already using Lunar to develop Lunar :) Give it a try!<p>Soon you will be able to extend it using Lua hooks.

Found: August 21, 2026 ID: 7118

Show HN: Argentic – An L402 Lightning toll booth for AI scraping agents

Found: August 21, 2026 ID: 7117

Japan tried to build an operating system for the world, the US intervened

Found: August 21, 2026 ID: 7115
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