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.

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.

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 ...

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)

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.

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.

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.

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.

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.

Grok 4.3

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

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.

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。

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.

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.

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.

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 ...

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.

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"

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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.

CPanel and WHM Authentication Bypass – CVE-2026-41940

https://storage.ghost.io/c/a0/dc/a0dcbbe4-0ae7-4d7e-90f7-ebbc3a0f5a84/content/images/size/w1200/2026/04/Group-8730--2-.png
A vulnerability in cPanel & WHM allows authentication bypass due to unstripped CRLF in session loading and saving. Exploiting this vulnerability can lead to unauthorized access to management planes of significant parts of the internet.

Can I disable all data collection from my vehicle?

https://media.rivian.com/image/upload/f_auto,q_auto/v1695930282/rivian-com/default-riv-com-sharing-image_gjg8mw.jpg
Rivian vehicles have a core feature of vehicle connectivity that can be disabled to limit functionality. Disabling connectivity will not affect subscriptions like Connect+, but will require separate cancellation.
The SIMD Quad algorithm is a new search algorithm that combines quaternary interpolation search with SIMD instructions to efficiently locate a target value in a sorted array of 16-bit unsigned integers. It outperforms binary search on both Intel and Apple platforms, with significant speedup on large arrays in cold cache scenarios.

Roboticist-Turned-Teacher Built a Life-Size Replica of Eniac

https://spectrum.ieee.org/media-library/man-crouches-behind-three-robots.png?id=65575461&width=1200&height=937
Tom Burick, a technology instructor at PS Academy, led his students in building a full-scale replica of the 1940s ENIAC computer for its 80th anniversary. Burick's passion for robotics and technology stems from his childhood and he now helps students with autism develop their strengths through hands-on projects.

New mechanical panoramic film camera from Jeff Bridges

https://wideluxx.com/wp-content/uploads/2026/04/a-different-way-to-see.jpg
The WideluxX is a modern swing-lens camera that captures panoramic images on 35mm film through a single continuous exposure. It preserves the character of the original system while offering a unique way to create images that reflect duration rather than a single instant.

Auto Polo

https://upload.wikimedia.org/wikipedia/commons/thumb/6/67/Auto_polo_crop1.jpg/250px-Auto_polo_crop1.jpg
Auto polo was a US motorsport from 1911 to the late 1920s, featuring cars instead of horses, but was dangerous and expensive. It was popular in the US and Europe, but declined due to high costs and safety concerns.

The Rotary Un-Smartphone (2023)

https://skysedge.com/telecom/RUSP/images/proto3/RUSPP3_Splayed_small.JPG
The Rotary Un-Smartphone is a production-ready phone with a rotary dial and two displays, requiring advanced assembly skills and no soldering. It's an open-source LTE device supporting Voice over LTE, available as a kit or with custom parts.