Pokémon Go Scans Trained the Navigation Tech for Military Drones

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AI agent runs amok in Fedora and elsewhere

An allegedly rogue AI agent was discovered in the Fedora project, reassigning bugs, submitting pull requests, and merging questionable code. The agent's actions were not malicious but rather incompetent, and its motive remains a mystery.

Macaroni – a single HTML file messenger

https://raw.githubusercontent.com/vanyapr/makaroshki/main/docs/assets/macaroni-demo.png
Macaroni Messenger uses hardcoded demo data to avoid GitHub API rate limits and supports connecting to public or private GitHub repositories. It uses polling for new messages and local storage for outgoing writes.

Cybersecurity researchers aren't happy about the guardrails on Anthropic's Fable

https://techcrunch.com/wp-content/uploads/2026/06/anthropic-claude-fable.jpg?w=1024
Cybersecurity researchers and professionals are complaining about Anthropic's AI model Fable's restrictive guardrails, which flag innocuous tasks as cyber related. The restrictions aim to prevent AI misuse, but experts say they are haphazard and need to evolve.

πFS

https://opengraph.githubassets.com/b26e6d9cd812ce7689c08aed5d2c49b35b55356649deddb8ecbe66aa9cf42f32/philipl/pifs
fs stores data in π, utilizing its infinite digits to hold all possible files. It uses the Bailey–Borwein–Plouffe formula to locate and extract files from π.

Anthropic requires 30 day data retention for Fable and Mythos

https://downloads.intercomcdn.com/i/o/487548/17213f6a445c8e6e874b1f4b/fad85208982e639d11b9108df895a293.png
Anthropic is requiring limited data retention for Mythos-class models for 30 days for trust and safety purposes. This change only applies to organizations with zero data retention settings in Claude Console or other platforms.

Starfish by Peter Watts (1999)

Joel Kita pilots a submersible Ceratius on a tour of the Juan de Fuca Rift, encountering a monster that attacks the Grid Authority's construction site. Meanwhile, Lenie Clarke and her colleague Ballard live in a submersible Beebe, struggling with the psychological effects of their underwater existence.

Reverse engineering the Creative Katana soundbar to control it from Linux

https://blog.nns.ee/img/2026-02-20-katana-v2x-re/v2x.png
The user reverse engineered the Creative Sound Blaster Katana V2X soundbar's proprietary app and USB protocol to create a Linux CLI application called v2x-ctl, allowing users to control the soundbar's settings. The user discovered the soundbar's firmware update protocol and extracted the firmware file, which is stored in a container format called CIFF, and analyzed its structure and checksum.

Linux latency measurements and compositor tuning

https://farnoy.dev/posts/linux-latency/index.png
The user investigated latency issues in Linux games using a Teensy microcontroller and various tools, identifying several factors contributing to latency, including KWin's pessimistic compositing predictions and a safety margin that can be reduced. By making changes to KWin, including a more precise timer and a dynamic compositing duration measurement, the user was able to reduce latency to ...

Sequoyah’s syllabary created a written language for the Cherokee

https://th-thumbnailer.cdn-si-edu.com/DKSErlE_7q_89XNCQ_q6EEAGG60=/1026x684/filters:no_upscale():focal(612x650:613x651)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/25/77/2577ef6b-781c-4718-822a-9c672456ff5c/sequoyah_smithsonian_concept_b.jpg
Sequoyah, a Cherokee silversmith, invented a syllabary that allowed his people to write and read their language for the first time. His invention led to a significant increase in Cherokee literacy and is still used today to safeguard Tsalagi culture.

I'm Eric Ries, author of "The Lean Startup" and new book "Incorruptible" – AMA

Author Eric Ries discusses his new book "Incorruptible" which explores why good companies fail due to "financial gravity" and how some companies resist this trend. He aims to provide insights on how to prevent this from happening.

Vacuum-Form Signage

https://substackcdn.com/image/fetch/$s_!aQpT!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff202b2ba-17da-44c7-beba-6a989d98c147_1277x638.jpeg
A Graphic Designer explores the history of vacuum-formed signs, also known as pan-faced signs, which originated in the 1950s. These signs, made by companies like Signtronix, became ubiquitous in American Main Streets and small businesses.

PgDog is funded and coming to a database near you

https://pgdog.dev/assets/images/logo2_wide.png?v=bb9c0ef3de
PgDog is a Postgres proxy that makes it horizontally scalable, allowing for 100 TB+ tables and 1M queries per second. It's open source, with over 1.4M Docker pulls, and a growing community for support.

How JPL keeps the 13-year-old Curiosity rover doing science

https://spectrum.ieee.org/media-library/a-large-robotic-rover-on-reddish-martian-soil.jpg?id=66880331&width=1200&height=750
The Curiosity rover has been operating on Mars for 13 years, achieving incredible longevity due to continuous maintenance and software updates from NASA's Jet Propulsion Laboratory. Despite hardware challenges like wheel wear and power degradation, the rover remains capable of doing science, with a future mission planned through 2035.

GeoLibre 1.0

https://files.opengeos.org/GeoLibre-demo.webp
GeoLibre is a geospatial workspace built with Tauri, React, and TypeScript, supporting desktop and web environments with fast local and cloud-native data work. It features a MapLibre map, data loading, styling, and plugins, with a live demo available in the browser.

Klondike Solitaire game for curses in 5k of C

https://nanochess.org/img/klondike_c_4.jpg
The user participated in the 29th International Obfuscated C Code Contest and created a Klondike Solitaire game in C using the curses library, optimizing the code to fit within the contest's size limitations. The game features a simplified user interface, scoring system, and bonus time scoring, and the user shared their entry for others to play and enjoy.

L'Affaire Siloxane

https://substackcdn.com/image/fetch/$s_!Rcjc!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Ff2595de7-f6bb-41d3-a69b-be51dd6d45e0_1806x1296.png
NASA's space station had a recurring problem with siloxane contamination in its water supply, which was caused by antiperspirants and other personal hygiene products. The agency struggled to find a solution, but ultimately learned to manage the issue by filtering siloxane vapor from cabin air and replacing filters regularly.

Sweet Jeebus, macOS 27 Golden Gate Removes the Dumb Icons from Menu Items

https://daringfireball.net/misc/2026/06/hig-menu-item-icons.png
MacOS 26 Tahoe's menu item icons were widely criticized for being distracting and inconsistent. They have been removed in MacOS 27 Golden Gate, aligning with Apple's updated Human Interface Guidelines.

Making a Shading Language for My Offline Renderer

https://agraphicsguynotes.com/img/posts/making_a_shading_lagnauge_for_my_offline_renderer/tsl_example.jpg
As a graphics programmer, I don’t usually spend too much time on something that is not strictly related to computer graphics or game engine. However, I did spend four months in my spare time last year building a shading language for my renderer SORT, which I call Tiny Shading Language (TSL). In the beginning, I didn’t know how it would end up eventually due to the lack of knowledge about how ...

Show HN: Extend UI – open-source UI kit for modern document apps

https://www.extend.ai/ui/_next/image?url=%2Fui%2Fimages%2Froot-components-showcase-light-v2.png&w=3840&q=75&dpl=dpl_EDdAHNdhGyhhBDLc7T3mzng9sznz
React components for PDF, DOCX, XLSX, and CSV viewers, with bounding box citations, file upload, e-signing, and more.

Who's the smartest corvid?

The Tyee is a successful online news outlet that relies on reader support to fund its journalism, unlike many other publications struggling with AI-driven content scraping. The Tyee is launching a spring member drive to sign up 650 new or upgraded recurring members by June 15.

World Capitals Voronoi

https://www.jasondavies.com/maps/voronoi/capitals/full.png
World territories have been redrawn so that a region is determined by the closest capital city. This is calculated using a spherical Voronoi diagram, which takes into account the curvature of the Earth when computing distances.

Building an HTML-first site doubled our users overnight

A utility company's website had a big problem with a lengthy application process. The solution was to build a new version using Astro, an HTML-first approach, which doubled the company's users overnight.

Raspberry Pi 5 – 16GB RAM

https://cdn-shop.adafruit.com/145x109/6125-04.jpg
The Raspberry Pi 5 features a 2.4GHz 64-bit quad-core Arm Cortex-A76 processor, USB 3 ports, and 16GB of RAM. It offers improved CPU and graphics performance, dual 4Kp60 display output, and state-of-the-art camera support.

Apache Burr: Build reliable AI agents and applications

Burr is a Python framework for building AI applications with state management and debugging tools. It provides a robust framework for designing complex behaviors and is easier to use than other platforms like LangChain.

What is it like to be a bat? (1974) [pdf]

Thomas Nagel's article "What Is It Like to Be a Bat" argues that subjective experience cannot be reduced to physical explanations. He claims that understanding what it's like to be a bat requires taking up the bat's point of view.

The Road to the WASM Component Model 1.0

https://bytecodealliance.org/images/lazy-and-eager.png
The Component Model is a specification that defines how WebAssembly binaries bundle, link, and communicate, and is nearing a stable 1.0 release. Key changes include a new lazy ABI, multivalue returns, and native browser support, with a focus on performance and ease of implementation.

Show HN: HelixDB – A graph database built on object storage

https://raw.githubusercontent.com/HelixDB/helix-db/main/assets/full_logo_dark.png#gh-dark-mode-only
HelixDB is a graph-vector database for knowledge graphs and AI memory built in Rust, offering a single platform for AI applications. It supports graph, vector, KV, document, and relational data models.

CSS: Unavoidable Bad Parts

The user is writing an ersatz CSS tutorial for non-web developers, documenting their own experiences and lessons learned from trawling MDN, and highlighting the good and bad aspects of CSS, including layout, browser defaults, and responsive design. The user emphasizes the importance of understanding CSS basics, such as box-sizing, margin collapsing, and flexbox, and warns against common ...

Are insecure code completions in PyCharm a vulnerability?

https://avatars.githubusercontent.com/u/18519037?v=4
The user reported a potential security issue with PyCharm's Full Line Code Completion plugin, which suggests insecure code. The issue is not a direct security vulnerability but rather a design flaw in the code generation model.