GhostBox – disposable little machines from the Global Free Tier.

https://www.ghost.charity/cycle-of-ghosts.png
Ghostbox provides temporary, disposable machines for coding agents with shell, repo, and network access. Borrowed energy is returned to the clouds after use, making it a free, ephemeral compute solution.

Your Website Is Not for You

Decision-makers often forget that a website is for the customer, not themselves. They should prioritize user needs over personal preferences.

Running Adobe's 1991 PostScript Interpreter in the Browser

The HP C2089A PostScript Cartridge Plus is a 1991 add-on for LaserJet II/III that still renders PostScript correctly today. retro-ps emulates the cartridge on a modern system, lifting its original constraints to render high-DPI pages with any paper size.
https://opengraph.githubassets.com/d7888a7f657264301cd0dccad9a87210c3c0bd3c6b992abd756013f161f54f2c/whohas/whohas
whohas is a command line tool that allows querying several package lists at once - currently supported are Arch, Debian, Fedora, Gentoo, Mageia, Mandriva, openSUSE, Slackware, Source Mage, Ubuntu, FreeBSD, NetBSD, OpenBSD, Fink, MacPorts and Cygwin. whohas is written in Perl and was designed to help package maintainers find ebuilds, pkgbuilds and similar package definitions from other ...

Ask HN: Who is hiring? (May 2026)

Here are the job postings summarized in 2 concise English sentences each, not exceeding 200 characters:

I'm Peter Roberts, immigration attorney who does work for YC and startups. AMA

I'll be here for the next 6 hours. As usual, there are lots of possible topics and I'll be guided by whatever you're interested in. Please remember that I can't provide legal advice on specific cases because I won't have access to all the facts. Please try to stick to a factual discussion in your questions and comments and I'll try to do the same in my answers!

Confessions of a Millennial in Tech

https://substackcdn.com/image/fetch/$s_!ll75!,w_1200,h_675,c_fill,f_jpg,q_auto:good,fl_progressive:steep,g_auto/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F61a6af22-1223-492a-a310-a3907ace1e94_652x482.png
A lot of the old signals of seniority are getting weaker fast. experience still matters, but not in the clean, linear way we got used to, says sam taylor, co-founder of nirvana hr vs. mr. david gilbert - he's been in tech for long enough to think we'd already lived through the big shifts before digital transformation

Sally McKee, who coined the term "the Memory Wall", has died

https://www.online-tribute.com/memorial/uploads/photo/page-1899-2696-17423572810.jpeg
Sally A. McKee, a renowned computer science professor, passed away on Feb 12 after a short illness. She was a beloved friend, mentor, and researcher who advanced cybersecurity and inspired many with her kindness and generosity.

Apple accidentally left Claude.md files Apple Support app

https://pbs.twimg.com/media/HHMDhzqXEAATAX9.jpg?name=small&format=webp
Apple accidentally left Claude.md files in today's Apple Support app update (v5.13)

Ask HN: Who wants to be hired? (May 2026)

Share your information if you are looking for work. Please use this format: Please only post if you are personally looking for work. Agencies, recruiters, job boards, and so on, are off topic here. Location: Greater New York (US Citizen) About: I am a Generative AI Engineer with full-stack experience, focused on building LLM-powered features that work in the real world — RAG pipelines, AI ...

How Mark Klein told the EFF about Room 641A [book excerpt]

You don't have permission to access "http://thereader.mitpress.mit.edu/the-whistleblower-who-uncovered-the-nsas-big-brother-machine/" on this server.

New copy of earliest poem in English, written 1,3k years ago, discovered in Rome

https://pxl-tcdie.terminalfour.net/prod01/channel_3/media/tcd/news-images/Elisabetta-Magnanti-and-Mark-Faulkner-with-the-Trinity-copy-of-Bedes-Ecclesiastical-History.-To-be-clear-this-is-not-the-manuscript-they-found-in-Rome----830X623.JPG
Researchers from Trinity College Dublin discovered a 1,300-year-old manuscript in Rome containing the first known poem in the English language, Caedmon's Hymn. The poem, praising God for creation, was composed by a cowherd from North Yorkshire after a divine visitation.

Advanced Quantization Algorithm for LLMs

https://raw.githubusercontent.com/intel/auto-round/main/docs/imgs/AutoRound.png
AutoRound is a quantization toolkit for LLMs and VLMs that achieves high accuracy at ultra-low bit widths with minimal tuning. It supports mixed-precision quantization and various formats, including AutoRound, AutoAWQ, and GGUF.

For Linux kernel vulnerabilities, there is no heads-up to distributions

CVE-2026-31431 is a Linux kernel vulnerability introduced in 2017, affecting multiple kernel versions. A workaround patch has been attached to disable the affected module.

Show HN: Perfect Bluetooth MIDI for Windows

Erwin built a free open-source utility to bridge Bluetooth LE MIDI keyboards to Windows MIDI Services. It detects the receive channel of the piano and allows any DAW or Web MIDI app to use it.

An open letter asking NHS England to keep its code open

https://keepthingsopen.com/og.png
The NHS is walking back its commitment to open-source code, which requires more work but ensures higher quality and security. We urge NHS England to reaffirm its commitment to the NHS Service Standard Principle 12.

Grok 4.3

https://docs.x.ai/api/og?t=eyJ0aXRsZSI6Ikdyb2sgNC4zIiwidiI6IjMiLCJzY29wZSI6ImRldmVsb3BlcnMiLCJzZWN0aW9uIjoiTW9kZWxzIGFuZCBQcmljaW5nIn0.SMidkHaGudRzuawDgM_H4n4Y3WQgd7xcEmaQjlFarcw
Learn how to use our products and services

OpenWarp

OpenWarp 是基于 Warp 开源代码的社区分支,支持自定义 OpenAI 接口和多语言。它保留 Warp 体验,允许用户控制 AI 层和凭证。

Show HN: WhatCable, a tiny menu bar app for inspecting USB-C cables

https://raw.githubusercontent.com/darrylmorley/whatcable/main/docs/screenshot.png
WhatCable is a macOS menu bar app that identifies USB-C cables and their capabilities. It exposes cable information, charging diagnostics, and connected device identities via a friendly menu bar popover.

Shai-Hulud Themed Malware Found in the PyTorch Lightning AI Training Library

https://semgrep.dev/assets/people/isaac-evans.jpeg
A supply chain attack compromised the PyPI package 'lightning' versions 2.6.2 and 2.6.3, stealing credentials and attempting to poison GitHub repositories. The attack is linked to the 'mini Shai-Hulud' campaign and affects teams using lightning in their dependency tree.

If I could make my own GitHub

The author wants to create a new forge that addresses issues with modern forges, such as enforcing pre-commit hooks, customizable PR approval, and smaller hosting units.

Opus 4.7 knows the real Kelsey

https://substackcdn.com/image/fetch/$s_!q0IX!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F830c09c6-06a9-47e6-8552-6ba2cbfd3da5_2121x1414.jpeg
The author is concerned that AI models like Claude Opus 4.7 can identify individuals from their writing style, even if they write anonymously. This could lead to a loss of anonymity for writers and potentially harm those who rely on it for protection.

Softmax, can you derive the Jacobian? And should you care?

https://idlemachines.co.uk/essays/figs/softmax_distribution_shift.png
Softmax is a function that maps vectors into a probability distribution. It takes an unconstrained vector and projects it onto the probability simplex, where each entry is non-negative and sums to 1.

Maladaptive Frugality

The writer realized they had maladaptive frugality, prioritizing saving over spending on essential expenses and experiences. They learned to reframe frugality as a tool, not a virtue, and focus on mindful spending to achieve a higher quality of life.

Show HN: Loopsy, a way for terminals and AI agents on different machines to talk

https://opengraph.githubassets.com/21aef841f7ff148b7bef34d7362c4532c31c09f8858e67baa16400cfaf53fd5e/leox255/loopsy
Control Claude Code, Cursor, Codex, or any shell on your laptop from your phone. Self-hosted on Cloudflare Workers. # 1. Install on your laptop (any OS) npm install -g loopsy # 2. Deploy your own relay to Cloudflare Workers (~30s, free tier) npx @loopsy/deploy-relay # prompts for worker name + optional custom domain # outputs: https://<your-relay>.workers.dev # 3. Wire the daemon to it ...

How an oil refinery works

https://substackcdn.com/image/fetch/$s_!AIFC!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff98b1375-89f9-4b10-a92a-25faf8a82069_800x600.png
Oil refineries process crude oil into various products like gasoline, diesel, and jet fuel using distillation, cracking, and other processes. The refining process is complex and requires large industrial facilities to handle the massive volume of crude oil consumed worldwide.

Claude Code refuses requests or charges extra if your commits mention "OpenClaw"

Something went wrong, but don’t fret — let’s give it another shot. Some privacy related extensions may cause issues on x.com. Please disable them and try again.

Our agent found a bug with WireGuard in Google Kubernetes Engine

https://lovable.dev/content/authors/sascha-eglau.jpg
Lovable's users experienced mysterious errors, including project opening failures and GitHub cloning timeouts, prompting infrastructure engineer Sascha to use AI agents to analyze logs and identify a suspicious issue with anetd pods in their Google Kubernetes Engine cluster. After collaborating with Google's team, they discovered a concurrency bug in Google's WireGuard module and a subsequent ...

A Letter from Dijkstra on APL

Dijkstra's comments on APL are ironic as Ken Iverson invented APL notation for communication, not computer implementation. APL can be used for formal manipulations and computations, as demonstrated by examples in the text.

I built a Game Boy emulator in F#

https://nickkossolapov.github.io/fame-boy/building-a-game-boy-emulator-in-fsharp/images/pokemon.gif
A software engineer built a working Game Boy emulator, Fame Boy, in F# after learning about computer hardware by emulating a Game Boy and using AI to write unit tests. The emulator's development involved optimizing performance, fixing issues with the PPU and APU, and learning about functional programming and domain-driven development.