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.

A Written Language for the Cherokee So Efficient It Was Thought to Be Magic

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.

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.

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.

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.

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.

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.

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.

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, with bounding box citations, file upload, e-signing, and more.

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.

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.

Farmer donates land for a park, city sells it for $10M as data center land

https://cdn.mos.cms.futurecdn.net/Sg2CBDmxd3qf7QsQTvPx35.jpg
A farmer donated 87 acres of land in Taylor, Texas, to the city in 1999 for $10 with the condition it be used as a park, but it was sold to a data center developer in 2025 for $10M. Locals are fighting the development in court, citing the original deed and concerns about health risks, noise, and property values, with a decision pending in the Third Court of Appeals.

Mercedes‑Benz starts large‑scale production of electric axial flux motor

https://api.media.mercedes-benz.com/modules/custom/mb_meta/static/placeholder.jpg
Mercedes-Benz starts large-scale production of its electric axial flux motor at its Berlin-Marienfelde plant. The motor is used in the new Mercedes-AMG GT 4-Door Coupe and marks a technological innovation in electromobility.

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.

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.

Claude Desktop spawns 1.8 GB Hyper-V VM on every launch, even for chat-only use

https://private-user-images.githubusercontent.com/255574547/555498971-3d345f14-abce-442e-9ef2-538fcd749200.png?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3ODExMTQyOTIsIm5iZiI6MTc4MTExMzk5MiwicGF0aCI6Ii8yNTU1NzQ1NDcvNTU1NDk4OTcxLTNkMzQ1ZjE0LWFiY2UtNDQyZS05ZWYyLTUzOGZjZDc0OTIwMC5wbmc_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjYwNjEwJTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI2MDYxMFQxNzUzMTJaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT1jYjZkY2MyOWNlMDljZGViZTAwMTdkMGU3N2I5OTg2MDAzODkwZGNiYmI5ZjcwZDYwNjc0YTAwMzkyNTc1ZGJjJlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZyZXNwb25zZS1jb250ZW50LXR5cGU9aW1hZ2UlMkZwbmcifQ.rW-8qlupwKBO7dth0s2LHy2dCobTyz0J0dXk8rxsOug
Claude Desktop app launches a 1.8 GB Hyper-V VM on every launch, consuming 11% of total memory. This occurs even for chat-only use and can be fixed by disabling VirtualMachinePlatform.
https://user-images.githubusercontent.com/19292210/60553865-044dd200-9cea-11e9-859c-d6f266e2f01f.png
GitHub's Status Page - Authentication issues related to API requests.

Free financial literacy platform for kids – 90 lessons, no paywall

https://learnfinly.com/mascot/finn-celebrate.png
Short lessons on budgeting, saving, credit, and taxes. Quizzes and calculators built in. No videos to sit through. No boring narrator. Finn explains the tricky parts in plain language, cheers when you nail a quiz, and never makes you feel dumb for missing one. He's the friendly face behind every lesson on Finly. Foundation (8–12) or Real World (13–17). Set your currency if you want the ...

Anthropic's model naming, extrapolated

With the release of Claude Fable, it is clear that Anthropic is progressing from poems to enterprise-scale narrative objects. To keep pace with competitors, the company is developing a broad portfolio of models optimized for the full literary stack.

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.

Unix GC Remastered

https://mohandacherir.github.io/Qdiv7/images/gc_remastered/Screenshot-gc-1.png
The AF_UNIX garbage collector is an interesting piece of the kernel. It exists because sockets can be sent with SCM_RIGHTS but they can become unreachable from user-space while still being kept alive by the kernel, which is not memory efficient; in this situation, the garbage collector intervenes to free them. Not long ago, the subsystem was rewritten from scratch on top of a ...

Policy on the AI Exponential

https://cdn.prod.website-files.com/67ecbba31246a69e485fdd4b/6a29ae1af3fb3241e2c68979_og_policy-on-the-ai-exponential.jpg
The intersection of AI and politics is like the Hobbits and Treebeard, where AI advances at a lightning pace while policy moves slowly, creating a mismatch in timescale that is painful and requires collective action to meet the moment. To address the risks and opportunities of AI, we need to re-imagine five perennial policy areas: regulation and public safety, macroeconomics and tax policy, ...

All 9,300 Japanese train station, animated by the year it opened (1872–2026)

Japan's railway network expanded from a single line in 1872 to over 9,000 stations by the 21st century. The map shows stations opening over time, revealing Japan's geography through railway development.

Show HN: Atlasphere – Live Infrastructure Diagrams

Andrey is a software engineer at AWS who created Atlasphere.io to synchronize cloud infrastructure diagrams with actual AWS accounts. He needs feedback on the app, specifically likes and dislikes, after trying it out.

Show HN: Artie – Real-time data replication to your warehouse, now self-serve

https://cdn.prod.website-files.com/69f9fba3505b57575f61059d/6a069153caffc5f5c5e93d98_69b9c82386687545b7602fd1_mike.jpeg
We chose Artie for its reliability and ease of use, transforming our data management and enabling faster decision-making. Artie has become business critical, cutting our overhead by 90% and powering our most important tables.

Pick and Place: Carbon Nanotube Nanoassembly Process

https://cdn.prod.website-files.com/69546022f433522ed6f106bf/6a0d77d7d070d433ea8004e6_carbon-nanotube-human-hair-scale-comparison.webp
C12 announces Pick & Place, a patented process for precise carbon nanotube assembly on quantum chips. This breakthrough enables scalable manufacturing of carbon nanotube quantum processors with improved flexibility and modularity.

Smudging the game disc to make speedrunning 'SpongeBob' faster

https://imgix.bustle.com/uploads/getty/2021/3/11/e197b7d0-36bf-4e29-b491-562a4c1aad45-getty-1149878457.jpg?w=400&h=300&fit=crop&crop=faces&dpr=2
Speedrunner SHiFT shares a dirty tactic to beat SpongeBob SquarePants: Battle for Bikini Bottom in record time by smudging the game disc. This method involves strategically placing smudges to cause lag clipping, but risks damaging the game or console.

Raspberry Pi 5 – 16 GB, $350

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.

A €0.01 bank transfer could compromise a banking AI agent

https://blue41.com/_astro/finanicial_assitant_spearphishing_attack.DEYj99ze_2bG6gl.webp
Blue41 helped Bunq secure its AI assistant against spearphishing risks by identifying an indirect prompt injection vulnerability. The issue is a broader architectural challenge for financial institutions deploying AI assistants that process untrusted inputs.