Show HN: Filling PDF forms with AI using client-side tool calling https://copilot.simplepdf.com/?share=a7d00ad073c75a75d493228e6ff7b11eb3f2d945b6175913e87898ec96ca8076&form=w9&lang=en [comments] [29 points]

Bitmap and tilemap generation from a single example https://github.com/mxgmn/WaveFunctionCollapse [comments] [42 points]

Show HN: DAC – open-source dashboard as code tool for agents and humans https://github.com/bruin-data/dac [comments] [29 points]

Why does it take so long to release black fan versions? https://www.noctua.at/en/expertise/blog/how-can-it-take-so-long-to-release-black-fan-versions [comments] [275 points]

Direct electrochemical black coffee quality appraisal using cyclic voltammetry https://www.nature.com/articles/s41467-026-71526-5 [comments] [52 points]

CollectWise (YC F24) Is Hiring https://www.ycombinator.com/companies/collectwise/jobs/rEWfZ6R-senior-forward-deployed-engineer [comments] [1 points]

I built the Playwright for desktop apps. 80% token savings https://github.com/lahfir/agent-desktop [comments] [59 points]

LFM2-24B-A2B: Scaling Up the LFM2 Architecture https://www.liquid.ai/blog/lfm2-24b-a2b [comments] [19 points]

Job Postings for Software Engineers Are Rapidly Rising https://www.citadelsecurities.com/news-and-insights/2026-global-intelligence-crisis/ [comments] [100 points]

Governor – a Claude Code plugin to reduce token/context waste https://github.com/0xhimanshu/governor [comments] [8 points]

City Learns Flock Accessed Cameras in Children's Gymnastics Room as a Sales Demo https://www.404media.co/city-learns-flock-accessed-cameras-in-childrens-gymnastics-room-as-a-sales-pitch-demo-renews-contract-anyway/ [comments] [338 points]

A Report on Burnout in Open Source Software Communities (2025) [pdf] https://mirandaheath.website/static/oss_burnout_report_mh_25.pdf [comments] [33 points]

Credit cards are vulnerable to brute force kind attacks https://metin.nextc.org/posts/Credit_Cards_Are_Vulnerable_To_Brute_Force_Kind_Attacks.html [comments] [191 points]

Apocalypse Early Warning System https://ews.kylemcdonald.net/ [comments] [108 points]

Historic Tennessee hotel is also home to the greatest duck tradition (2016) https://www.audubon.org/magazine/tennessees-most-historic-hotel-also-home-greatest-duck-tradition [comments] [21 points]

New research suggests people can communicate and practice skills while dreaming https://www.newyorker.com/culture/annals-of-inquiry/its-possible-to-learn-in-our-sleep-should-we [comments] [170 points]

The Smelly Baby Problem https://www.worksinprogress.news/p/how-disposable-diapers-conquered [comments] [6 points]

Whimsical Animations Course Open House https://courses.joshwcomeau.com/wham/open-house/00-introduction [comments] [21 points]

Running Adobe's 1991 PostScript Interpreter in the Browser https://www.pagetable.com/?p=1854 [comments] [107 points]

AWS stops billing Middle East cloud customers as repairs to war damage drag on https://arstechnica.com/gadgets/2026/05/amazon-stuck-with-months-of-repairs-after-drone-strikes-on-data-centers/ [comments] [6 points]

Pro-Iran crew turns DDoS into shakedown as Ubuntu.com stays down https://www.theregister.com/2026/05/01/canonical_confirms_ubuntu_infrastructure_under/ [comments] [42 points]

Sally McKee, who coined the term "the memory wall", has died https://www.online-tribute.com/SallyMcKee [comments] [15 points]

For Linux kernel vulnerabilities, there is no heads-up to distributions https://www.openwall.com/lists/oss-security/2026/04/30/10 [comments] [560 points]

Your Website Is Not for You https://websmith.studio/blog/your-website-is-not-for-you/ [comments] [123 points]

Roboticist-Turned-Teacher Built a Life-Size Replica of Eniac https://spectrum.ieee.org/roboticist-turned-teacher-eniac-replica [comments] [39 points]

The Rotary Un-Smartphone (2023) https://skysedge.com/telecom/RUSP/index.html [comments] [35 points]

Grok 4.3 https://docs.x.ai/developers/models/grok-4.3 [comments] [96 points]

Show HN: WhatCable, a tiny menu bar app for inspecting USB-C cables https://github.com/darrylmorley/whatcable [comments] [34 points]

Reverse Engineering SimTower https://phulin.me/blog/simtower [comments] [195 points]

Full-Text Search with DuckDB https://peterdohertys.website/blog-posts/full-text-search-w-duckdb.html [comments] [126 points]

New mechanical panoramic film camera from Jeff Bridges https://wideluxx.com [comments] [127 points]

Honker – Durable queues, streams, pub/sub, and cron scheduler in a SQLite file https://honker.dev/ [comments] [200 points]

Can I disable all data collection from my vehicle? https://rivian.com/support/article/can-i-disable-all-data-collection-from-my-vehicle [comments] [558 points]

Maladaptive Frugality https://herbertlui.net/maladaptive-frugality/ [comments] [43 points]

OpenWarp https://openwarp.zerx.dev [comments] [29 points]

Snowball Earth may hide a far stranger climate cycle than anyone expected https://sciencex.com/news/2026-04-snowball-earth-stranger-climate.html [comments] [37 points]

The upsell game – Vercel upselling tactics revealed https://theupsellgame.com/ [comments] [85 points]

Compositing and Blending – Exploring the math and intuition behind blend modes https://nik.digital/posts/compositing-blending [comments] [9 points]

Spain's parliament will act against massive IP blockages by LaLiga https://www.democrata.es/en/politics/congress-and-senate/congress-will-act-against-massive-ip-blockages-by-laliga/ [comments] [373 points]

I aggregated 28 US Government auction sites into one search https://bidprowl.com [comments] [211 points]

Does Postgres Scale? https://www.dbos.dev/blog/benchmarking-workflow-execution-scalability-on-postgres [comments] [37 points]

How an oil refinery works https://www.construction-physics.com/p/how-an-oil-refinery-works [comments] [238 points]

The Science Behind Honey's Eternal Shelf Life (2013) https://www.smithsonianmag.com/science-nature/the-science-behind-honeys-eternal-shelf-life-1218690/ [comments] [47 points]

Claude Code refuses requests or charges extra if your commits mention "OpenClaw" https://twitter.com/theo/status/2049645973350363168 [comments] [408 points]

Shai-Hulud Themed Malware Found in the PyTorch Lightning AI Training Library https://semgrep.dev/blog/2026/malicious-dependency-in-pytorch-lightning-used-for-ai-training/ [comments] [11 points]

Durable queues, streams, pub/sub, and a cron scheduler – inside your SQLite file https://honker.dev/ [comments] [4 points]

Belgium stops decommissioning nuclear power plants https://dpa-international.com/general-news/urn:newsml:dpa.com:20090101:260430-930-14717/ [comments] [310 points]

GCC 16 has been released https://gcc.gnu.org/gcc-16/changes.html [comments] [122 points]

OpenTrafficMap https://opentrafficmap.org/ [comments] [301 points]

Mike: open-source legal AI https://mikeoss.com/ [comments] [120 points]