Remind HN: Today is Mother's Day, call your moms

User is celebrating Mother's Day and International Women's Day, appreciating the recognition of mothers and women's impact. They're calling their partner to wish her a happy Women's Day.

I returned to AWS, and was reminded why I left

The author was a long-time AWS fan but became disillusioned with its complexity, vendor lock-in, and predatory business practices. They left AWS but recently returned for research purposes, only to have their account suspended due to a security breach alert.

Walking Slower? Why Your Ears, Not Your Knees, Might Be the Problem

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Tracesofhumanity.org by Joanna Rutkowska

https://storage.ghost.io/c/4d/8b/4d8b74a2-dbea-4038-88bc-6235c04d2bef/content/images/size/w150/2026/01/DO01020850-2-1.jpeg
...or welcome back! I’ve been silent for the last 7 years and now I’m trying to resurface with this new blog :-) Some of you might remember my previous work on Qubes OS1, a paranoid-security OS, which I started back in 2009, and led its development for the next 9 years. Others might have been readers of my previous blog2, written in the period of 2006-2018, focusing on computer systems ...

Academic Research Skills for Claude Code

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ARS is a comprehensive suite of Claude Code skills for academic research, handling grunt work so researchers can focus on defining questions, choosing methods, and interpreting data. It includes a 10-stage pipeline with integrity verification, Socratic coaching, and collaboration evaluation.

What's a Mathematician to Do?

https://mathoverflow.net/Content/Sites/mathoverflow/Img/apple-touch-icon@2.png?v=f1c9606b77ff
Mathematicians widely agree that original creation is not the only significant part of a mathematician's work, and that digesting and reworking cumulative insights to present them in a useful way for others is also crucial. Many mathematicians believe that even ordinary individuals can make original contributions to mathematics, and that the diversity of perspectives and collaborative work ...

Space Cadet Pinball on Linux

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A Linux user who grew up with Windows XP discovered that Space Cadet Pinball can be played on Linux. The game was bundled with Windows XP and has been made playable on various platforms through a project on Github.

Idempotency Is Easy Until the Second Request Is Different

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Idempotency is about preventing duplicate side effects in APIs, not just preventing duplicate writes. It requires a clear opinion on how to handle retries, including recovery ownership, response replay, and downstream deduplication.

Bun's experimental Rust rewrite hits 99.8% test compatibility on Linux x64 glibc

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Shunting-Yard Animation

This is an app which will either load succesfully, and you'll wonder whether you saw this text at all, or fail ignominiously, showing you only this text. On balance of probabilities: I'm sorry I couldn't be bothered to make this work for you.

The One Dollar Counterfeiter

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Emerich Juettner, a frail old immigrant, successfully printed nearly 10 years of crude one-dollar bills, evading authorities until 1948. He was sentenced to a year in prison and paroled after 4 months due to his lack of greed, and his story became a folk hero.

Think Linear Algebra (2023)

Think Linear Algebra is a code-first book that teaches linear algebra through real-world problems and Python code. It's designed for readers who want to apply linear algebra concepts to solve practical problems in fields like machine learning and computer graphics.

The River Otter's Remarkable Comeback

https://storage.ghost.io/c/43/1e/431e5bbc-3d3b-46b3-95a6-27b14ca3b6fa/content/images/2026/01/tim-mihocik.jpg
River otters have returned to the Great Lakes after decades of absence due to pollution and habitat loss. Their recovery is a sign of the lakes' healing and a testament to conservation efforts.

5x perf increase on writes with FPW disabled in Postgres

https://www.databricks.com/sites/default/files/inline-images/image_106.png?v=1778165943
In a lakebase, compute and storage are separated by design. While this separation was originally built for operational flexibility, including scaling, branching, and instant recovery, it also unlocks a massive performance frontier. By decoupling these layers, we can offload work from your Postgres compute to our distributed storage in ways that are structurally impossible in traditional, ...

Casio S100X Japanese Lacquer Edition (JP Page Only)

You don't have permission to access "http://www.casio.com/jp/basic-calculators/premium/en-s100x-jc1-u/" on this server.

9 Mothers (YC P26) Is Hiring

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9 Mothers Jobs

Chrome's AI features may be hogging 4GB of your computer storage

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Google Chrome's AI model is automatically downloading a 4GB file, taking up storage space. To free up space, toggle off On-Device AI in Chrome settings and the file will not re-download.

Show HN: An index of indie web/blog indexes

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The input describes various indexes of indie web and small web sites, categorized by submission, feed-centric, or technical constraints. These indexes help users discover new sites, follow the small web, or connect with the broader indie web community.

Internet Archive Switzerland

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Internet Archive Switzerland launched as a non-profit foundation in St. Gallen to preserve endangered archives and AI models. It joins a global network of mission-aligned organizations to build a distributed digital library.

I’ve banned query strings

The user doesn't want tracking stuff in URLs and has banned unauthorized query strings on their site. They're testing Caddy's handling of query strings at /no-query-strings.

Louis Rossmann tells 3D printer maker Bambu Lab to 'Go (Bleep) yourself'

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Louis Rossmann pledged $10,000 to cover initial legal fees for developer Pawel Jarczak threatened by Bambu Lab. Rossmann is rallying the Right to Repair community to crowd-fund Jarczak's defense against Bambu Lab's cease and desist letter.

We see something that works, and then we understand it

The linear theory of innovation is flawed as it assumes understanding precedes progress, whereas in reality, progress often comes from trial and error. This is evident in research and development where incomplete understanding is common and breakthroughs often result from observing and trying new things.

Task Paralysis and AI

You're considering ADHD diagnosis due to task struggles and novelty needs, but haven't been officially diagnosed. You use AI tools like Claude to overcome task paralysis, but worry about addiction and the impact on artists.

I have seen the dystopian future of elderly care

https://www.telegraph.co.uk/content/dam/Author%20photos/Allegra%20Mendelson-xlarge.png?imwidth=100
Japan is developing robots to care for its elderly population due to a shortage of carers and an aging population. Robots like Airec and Buddharoid are being designed to assist with physical tasks and provide companionship.

GitHub Is Sinking

https://dbushell.com/images/blog/2026/github-microsoft-chart.avif
GitHub has become unreliable and bloated since Microsoft acquired it, with users experiencing downtime and frustration. Alternative Git forges like Codeberg, Tangled, and Gitea offer a more reliable and open-source experience.

Gemini API File Search is now multimodal

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Gemini API's File Search tool now supports retrieval-augmented generation with multimodal data and custom metadata. It processes images and text together, improving search accuracy and transparency with page citations.

Chindogu: Weird and Useless Japanese Inventions

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Chindogu is a Japanese art of crafting quirky gadgets that often walk the line between ingenious solutions and embarrassment. These eccentric inventions bring creativity and humor to everyday problems, but may not always be practical or effective.

Spain just became one of Europe's cheapest power markets. Here is how

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Jan Rosenow's newsletter on the energy transition. Oxford Professor. Energy policy advisor. Energy transition optimist. Cutting through the noise to show how the clean energy future is possible. By subscribing, you agree Substack's Terms of Use, and acknowledge its Information Collection Notice and Privacy Policy. In the first four months of 2026, the average wholesale electricity ...

Replacing a 3 GB SQLite db with a 10 MB FST (finite state transducer) binary

The author rewrote a Finnish-English dictionary in Rust to reduce memory usage from 3 GB to 10 MB. They used a finite state machine to compactly represent the dictionary data.

A recent experience with ChatGPT 5.5 Pro

A mathematician used ChatGPT 5.5 Pro to improve the upper bound on a problem in additive number theory from exponential to polynomial in time, with the AI producing a result that was almost certainly correct according to a human expert. The mathematician suggests that the era of human mathematicians solving problems independently may be coming to an end, and that the future of mathematics ...