Astronauts told to return to ISS after sheltering over air leak repairs

https://ichef.bbci.co.uk/ace/standard/1024/cpsprodpb/4acd/live/9c8ef940-60ec-11f1-b682-cf91850925ea.jpg
The ISS crew has a plan to split into two groups in case of an emergency, with five crew members in the SpaceX Crew Dragon and two Russian cosmonauts in the Soyuz MS-28 spacecraft. The crew is prepared to leave at a moment's notice, with spacesuits on and engines ready.

pg_durable: Microsoft open sources in-database durable execution

https://opengraph.githubassets.com/af6e641b385d8f9836ab885ee554bb5612177e28ef614c4f6b1b0785e7bebc6e/microsoft/pg_durable
pg_durable is a PostgreSQL extension that provides durable execution of SQL workflows with automatic checkpointing and resume after crashes or restarts. It allows teams to define workflows in SQL and execute them reliably without external services.

Gemma 4 QAT models: Optimizing compression for mobile and laptop efficiency

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We released Gemma 4 QAT checkpoints to make it more efficient on edge devices and consumer GPUs, reducing memory requirements while preserving quality. The new checkpoints use Quantization-Aware Training to minimize quality loss when compressing models.

New method turns ocean water into drinking water, without waste

https://www.rochester.edu/newscenter/wp-content/uploads/2026/05/inline-what-is-desalination-definition-ocean-water-2026-04-08_Guo_desalination_0129.jpg
Researchers at the University of Rochester developed a new solar-thermal desalination process that produces fresh water efficiently without leaving behind brine. The technology uses superwicking solar panels to extract nearly 100 percent of salts in solid form, potentially providing an abundant supply of table salt and precious minerals like lithium.

My Agent Skill for Test-Driven Development

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AI agents struggle to write good tests due to poor human examples and bad testing practices. Providing guidance like Kent Beck's Canon TDD or a personal TDD skill can improve test quality.

Mouseless – keyboard-driven control of macOS/Linux/Windows

https://mouseless.click/img/social_icons/tux.svg
Mouseless allows for quick cursor control by typing coordinates, reducing strain and pain from repetitive mouse clicks. It provides an efficient solution for effortless cursor control, suitable for those who can't use mice.

Microsoft wants users to be addicted to Scout, their AI personal assistant

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An internal Microsoft strategy document says that the plan for its just-announced “Scout” personal assistant AI is to “make people addicted” to the tool before rolling out additional functionality, 404 Media has learned. “Three phases from addictive app to agentic platform,” the documentation. Is anyone surprised? The big tech company has long been in the business of building not so much ...

Transformers Are Inherently Succinct

Transformers can describe certain languages extremely succinctly, being exponentially more succinct than linear temporal logic and recurrent neural networks, and doubly exponentially more succinct than finite automata.

Gov.uk has replaced Stripe with Dutch provider Adyen

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The UK's GDS has replaced Stripe with Adyen as its payment processor for GOV.UK Pay, a three-year contract worth up to £25.3 million. The change will introduce new payment options and no loss in functionality for users.

Conventional Commits encourages focus on the wrong things

https://sumnerevans.com/profile_hu_ec6b45997520a46d.webp
The author argues that Conventional Commits is a flawed standard that prioritizes the wrong information in commit messages. It focuses on the type of change rather than the scope, which is more important for developers and end-users.

Did Claude increase bugs in rsync?

https://alexispurslane.github.io/rsync-analysis/images/github-issue.png
The rsync project's use of AI tool Claude led to a heated debate about reliability and maintainability, but analysis shows that the increase in bugs was due to a flood of AI-generated security issues, not Claude itself. The data suggests that the Claude releases are not significantly different from the project's historical distribution, and critics' claims of harm are based on a post-hoc ...

Boeing 787 Dreamliner Loses Door at Remote Pacific Airport, Puzzling Engineers

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A Boeing 787 Dreamliner suffered an unusual incident at one of the most remote airports in the world when one of its doors detached from the fuselage during ground handling. The event has left engineers searching for answers about how it happened. The aircraft was on the ground at the Mataveri Airport on Easter Island, located 3,759 km off the coast of South America. The remoteness of the ...

Ask HN: What was your "oh shit" moment with GenAI?

The user initially dismissed AI models like DALL-E and ChatGPT as parlor tricks but had a series of "Oh shit" moments as they realized the potential of these models to solve real problems and change their approach to development. These moments included using Claude code to generate a Zillow description, building a web tool to sort media files, and using AI to translate code and track down ...

I tested every IP KVM in my Homelab

https://www.jeffgeerling.com/blog/2026/i-tested-every-ip-kvm/all-ip-kvms.jpg
The user reviews various IP KVMs, including PiKVM, BliKVM, GL-iNet, NanoKVM, JetKVM, and others, highlighting their features, pros, and cons, and recommending the JetKVM as a good option for its simplicity and value. The user also emphasizes the importance of security and proper setup when using IP KVMs, and notes that the market for these devices is booming with new options and features ...

"Maybe later" was a feature

https://arnorhs.dev/og-images/d19132f956fa5652e2bfb31cfaf92a65.png
The author discusses how not building certain features can be beneficial, allowing teams to prioritize what's truly important. They worry that relying on AI to build features will lead to codebases becoming illegible and overly complex.

Cooldown Support for Ruby Bundler

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Bundler 4.0.13 introduces cooldown, a time-based filter that refuses to resolve to a version until it has been public for at least N days. This feature is opt-in and complements existing defenses like mandatory 2FA and trusted publishing.

The Empty Field That Wasn't: GPS, OTAD and Two Decades of Encrypted Broadcasts

https://cdn.coverstand.com/61061/865273/iphonejpg/960/0dce1783b231f64f60c4d36a46b9b73ade49c273.jpg
GPS satellites broadcast encrypted material in a 176-bit field called Subframe 4, which has been publicly available for nearly two decades. Researchers analyzed 12.16 million observations and found the content is consistent with the military's Over-the-Air Distribution (OTAD) global rekeying network.

Three of our worst VC stories

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India's surprise baby bust

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India's school textbooks will now warn of the risks of low birth rates, not high ones, due to global economic threats. This shift reflects a change in India's demographic concerns from overpopulation to underpopulation.

Launch HN: General Instinct (YC P26) – Frontier models on edge devices

Guanming and Bill from General Instinct developed a method to compress large AI models for edge hardware, preserving performance and reducing size. They're interested in hearing from people deploying models on robots or edge devices, specifically about the biggest bottlenecks in production.
https://fremaconsulting.ch/faiss-schemas/FAISS_OG_card_v2.png
FAISS (Facebook AI Similarity Search) is a library for efficient similarity search that uses approximate search methods to speed up search by orders of magnitude while sacrificing a tiny bit of accuracy. It combines Inverted File (IVF) and Product Quantization (PQ) to achieve fast and efficient nearest neighbor search, making it suitable for real-time systems like web-scale retrieval or live ...

Mantine-datatable (and others) compromised – owner account suspended

https://private-user-images.githubusercontent.com/59337004/603015622-12edd204-a0ea-4f1d-88a7-40fe9ef2d1e6.png?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.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.2w3qbuuwVD2-NqMsbUFunRbyG04sRXRt7QaN31Dz1nQ
⚠️ Important Security Notice -- Please Read Hi everyone. I'm Irinel-Ramona, Ionut's wife. I'm posting this on his behalf because his GitHub account has been suspended and he has no way ...

Accidentally deleted subscriptions for chat integrations (Slack and MS Teams)

https://user-images.githubusercontent.com/19292210/60553865-044dd200-9cea-11e9-859c-d6f266e2f01f.png
Authorization failures occurred from 14:49 to 16:45 UTC due to a feature flag issue, now resolved. Customers can manually re-subscribe their repo for chat integration.

Tracing a powerful GNSS interference source over Europe

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
A space-based GNSS interference source has caused widespread interference in Europe, Greenland, and Canada since 2019. The source was identified as a constellation of Russian early warning satellites in Molniya orbits.

Aging and Eye Problems

User experienced unusual vision issues after 50th birthday, seeing double rows on spreadsheets. Using dark mode helps alleviate floaters caused by posterior vitreous detachment in left eye.

Warren's Abstract Machine: A Tutorial Reconstruction

https://opengraph.githubassets.com/49a8a439b7d8f71c87d27118d0f5e7897993a79a996e5259f3acc713859c874a/a-yiorgos/wambook
Warren's Abstract Machine: A Tutorial Reconstruction by Hassan Ait-Kaci - a-yiorgos/wambook

Hacker News, Sans AI

User created HNSansAI, a Hacker News clone that filters out AI-related content. It uses the official Hacker News API to exclude articles mentioning AI terms.

Nango (YC W23, dev infra) is hiring staff back end engineers

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From DevExp to high scale to API fragmentation, we work on hard problems.

Redis 8.8: New array data structure, rate limiter, performance improvements

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Redis 8.8 introduces several new features including arrays, window counter rate limiters, message NACKing, subkey notifications for hash fields, explicit control over JSON numeric array storage, and multiple aggregators in a single time series query. These features improve performance, flexibility, and efficiency for various use cases such as rate limiting, stream processing, and analytics, ...

C++: The Documentary

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C++: The Documentary premiered on YouTube, showcasing the language's 40-year success story. Key figures like Bjarne, Andrew Koenig, and Herb Sutter contributed to C++'s growth.