Apple, Google Face Phone Gatekeeper Backlash!

Debian must ship reproducible packages

Key Points

• Debian now blocks package migration when new packages are unreproducible or existing testing packages regress in reproducibility.
• autopkgtests are now run for binNMUs as part of Debian’s migration and QA process.
• The addition of loong64 triggered broad rebuilds and contributed to a larger CI queue.

Scouting's Real Crisis Is Not Marketing. It Is Decades of Neglect.

Key Points

• The article says Scouting America’s youth market share fell to about 1.25% by the end of 2025.
• It argues that broad age ranges across major programs weaken the experience for both younger and older participants.
• The article says the traditional patrol method has been replaced by a more bureaucratic organizational model.

Jobs at mom-and-pop shops are disappearing

Key Points

• Businesses with fewer than 10 employees have reportedly cut jobs for 13 straight months, according to an analysis based on QuickBooks data.
• Featured owners in manufacturing, retail, and food service say they face sharp cost increases and limited ability to raise prices.
• The article contrasts weak results for the smallest firms with administration claims that tax and regulatory changes are helping small business.

Immer: Immutability the easy way (2018)

Key Points

• Immer uses a proxy-based draft model to let developers write mutable-looking code that produces immutable state updates.
• The library preserves structural sharing, reusing unchanged parts of the state tree and returning the original state when nothing changes.
• A Redux reducer example shows how Immer can reduce boilerplate and make update logic easier to read.

Rotten Dot Com

Key Points

• The article recounts building a first desktop PC in 1999 after a trip to Fry’s Electronics.
• The narrator goes online using AOL dial-up after the computer is assembled.
• Rotten.com is presented as a taboo early web destination spread through youth peer networks like AIM and school notes.

Idempotency Is Easy Until the Second Request Is Different

Key Points

• A replay cache based on idempotency keys handles only the simplest retry path, not the full range of idempotency scenarios.
• The article identifies difficult cases such as concurrent retries, partial failures, unknown downstream state, and same-key requests with different content.
• It defines idempotency by the operation’s intended effect and says uniqueness constraints alone are insufficient for correct retry behavior.

Gen Z Resentment Toward AI Grows as Adoption Stagnates and Workplace Fears Mount

Key Points

• Gen Z weekly AI use stands at 51%, but adoption growth has slowed and negative sentiment has increased.
• Workplace concerns are rising, with 48% saying AI’s risks outweigh its benefits and 80% worried about learning loss from AI reliance.
• Schools have expanded AI policies, yet students remain skeptical and still prefer human-led services over AI alternatives.

Task Paralysis and AI

Key Points

• The author says AI coding tools help them overcome task paralysis and begin implementation.
• They report spending on Claude subscriptions and API tokens to build software projects.
• The article also highlights concern about addictive feedback loops created by fast AI-generated results.

Cooking the Hashish Cookbook

Key Points

• The cookbook was first published in 1966 by Ira Cohen, with Panama Rose designing and arranging it.
• The first edition appeared in Morocco, followed by a U.S. edition from Gnaoua Press a year later.
• The book includes international recipes such as Majoon, White Cooky, Ghee, Bhang, Andalusian candy, and Brion Gysin’s Hash Fudge.

FreeBSD – A Lesson in Poor Defaults

Key Points

• The article presents post-install FreeBSD hardening changes and frames them as a response to default system choices.
• It argues that FreeBSD’s bundled OpenSSH historically included local patches and compatibility features not aligned with upstream defaults.
• It recommends the ports-based openssh-portable package as a more configurable alternative to the base system OpenSSH.

From Buffon's Needle to Buffon's Noodle

Key Points

• The article replaces the standard integral proof of Buffon’s needle with a geometric derivation based on expectation and additivity.
• It shows that expected crossings are proportional to the total length of a segment or rectifiable curve.
• A circle of radius W/2 determines the constant of proportionality and leads to the formula 2L/πW.

Doctors Just Staged the Quietest Coup in American History

Key Points

• The article says Nixon’s final week in office was marked by instability and deep internal alarm inside the White House.
• It describes Schlesinger and Brown as requiring verification of unusual military orders before commanders could act.
• The piece compares the 1974 precautions around Nixon to military command safeguards reportedly discussed after January 6, 2021.

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

Key Points

• Taskusanakirja originally used a trie in Go for prefix-based dictionary search.
• Finnish inflectional complexity expanded the dataset from hundreds of thousands to tens of millions of entries.
• A 3 GB SQLite + FTS workaround was later revisited in favor of a much smaller FST-based binary.

Space Cadet Pinball on Linux

Key Points

• Space Cadet Pinball is available on Linux through a reverse-engineered project distributed as a Flatpak.
• The article recommends Flatpak as the easiest installation method and provides the package ID for command-line setup.
• Using Full Tilt! Pinball data can improve resolution and may also change certain gameplay behaviors.

9 Mothers (YC P26) Is Hiring

Key Points

• 9 Mothers lists eight open engineering roles on its jobs page.
• All positions are full-time, on-site roles located in Austin.
• The company is hiring across mechatronics, robotics, perception, machine learning, computer vision, and embedded systems.

Think Linear Algebra

Key Points

• The book teaches linear algebra through Python-based, real-world case studies instead of an abstract-first approach.
• Interactive Jupyter notebooks are used to help readers code, simulate, and visualize concepts with immediate feedback.
• Current chapters apply linear algebra to PageRank, GPS data, graphics, circuits, and stoichiometry, and the book is available under a Creative Commons license.

I returned to AWS, and was reminded why I left

Key Points

• The author says they went from early AWS evangelist to critic after about 15 years of use.
• Key complaints include high and complex pricing, IAM complexity, and negative experiences with DynamoDB and Lambda.
• The article also criticizes AWS’s approach to open-source alternatives such as OpenSearch, Valkey, and DocumentDB.

What's a Mathematician to Do?

Key Points

• An undergraduate asks what meaningful contribution they can make to mathematics.
• The author sees original mathematical creation as the central work of mathematicians.
• They worry that without exceptional talent, there may be little value they can add to an already advanced field.

The River Otter's Remarkable Comeback

Key Points

• River otters declined sharply across the Great Lakes basin due to trapping, pollution, and habitat loss.
• Ohio and New York carried out major otter reintroduction programs involving hundreds of animals.
• Habitat restoration and the 1972 Great Lakes Water Quality Agreement helped create conditions for otter recovery.

Taxpayers May Be Eligible for Significant Tax Refunds – If They Act by July 10

Key Points

• Millions of taxpayers may be eligible to recover COVID-era IRS penalties and interest.
• Most taxpayers must file refund claims by July 10, 2026 because relief is not automatic.
• The opportunity depends on the legal interpretation in *Kwong v. United States*, which the government disputes and may appeal.

Chindogu: Weird and Useless Japanese Inventions

Key Points

• The article defines chindogu as a Japanese practice of creating quirky and impractical inventions.
• It showcases examples including a noodle splash guard, a chopstick-mounted cooling fan, and a wearable floor-cleaning mop.
• The article says these gadgets may solve real problems but often introduce new issues such as awkwardness, impracticality, or cleanliness concerns.

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

Key Points

• Louis Rossmann pledged $10,000 in initial legal support for Pawel Jarczak after a Bambu Lab cease and desist threat.
• The dispute centers on Jarczak’s OrcaSlicer-BambuLab project and Bambu Lab’s claims about unauthorized cloud traffic.
• The article frames the conflict as part of a wider Right to Repair debate and discusses repairability criticism of earlier Bambu printers.

Academic Research Skills for Claude Code

Key Points

• The suite is designed to support academic research and writing with human oversight rather than full automation.
• The article frames ARS as a response to known failure modes in autonomous AI research systems.
• It describes four major modules and cites verification, review, cost, and data-access controls as key implementation features.

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

Key Points

• Chrome may download a 4GB `weights.bin` file for certain AI features.
• The file is associated with Google’s Gemini Nano model running locally on the device.
• Users must disable Chrome’s On-device AI setting to stop the file from being re-downloaded.

Scientists warn Atlantic current at risk of shutting down

Key Points

• Scientists cited in the article say concern is rising that the AMOC may be approaching a tipping point.
• The article says an AMOC shutdown could have severe climate effects across Europe and beyond.
• Evidence is based on limited observations and models, and uncertainty remains high despite newer studies suggesting higher risk.

Show HN: An index of indie web/blog indexes

Key Points

• The meta-index lists 38 indie web and small-web resources across six categories.
• Most listed indexes accept submissions unless otherwise specified.
• The categories span directories, feeds, search, random discovery, constraint-based communities, and IndieWeb infrastructure.

Shunting-Yard Animation

Key Points

• The algorithm reads and processes one token at a time until the input is exhausted.
• Operators are popped from the stack based on precedence and left associativity rules.
• After bracket handling and input completion, remaining stack operators are moved to the output.

GitHub Is Sinking

Key Points

• The article claims GitHub has become less reliable and less effective as a development platform.
• It stresses that Git is independent of GitHub and can be used without any centralized forge.
• It recommends migration paths including alternative hosted forges, self-hosting, and direct Git over SSH.

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

Key Points

• The post urges readers to call their mothers on Mother’s Day while they still can.
• Many replies describe the holiday through the lens of bereavement and remembrance.
• Commenters explain that Mother’s Day dates and traditions differ across countries, especially in the UK.

5x perf increase on writes with FPW disabled in Postgres

Key Points

• The post attributes a 5x write-throughput gain to disabling Full Page Writes in a disaggregated Postgres architecture.
• Traditional Postgres uses FPW to guard against torn pages, but FPW can greatly increase WAL volume.
• A storage-layer pageserver maintains materialized page images so reads remain efficient even without FPW.

Tracesofhumanity.org by Joanna Rutkowska

Key Points

• Joanna Rutkowska has launched a new blog after seven years of public silence.
• She links her background to Qubes OS and earlier writing on operating systems and virtualization security.
• The new blog will focus on personal and philosophical tensions rather than technical security topics.

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

Key Points

• Spain averaged €44/MWh in wholesale electricity prices in early 2026, below major European peers cited in the article.
• Wind and solar now make up a larger share of Spain’s electricity mix, while coal is effectively gone and gas has declined.
• The article links lower prices to gas setting the market price far less often, falling from about 55% of hours in 2022 to 9% in early 2026.

The Locals Don't Know

Key Points

• The article says copying locals’ daily behavior is poor travel advice because local routines are usually ordinary.
• It argues tourists have more freedom than locals to choose memorable activities, including famous attractions.
• The article questions the value of dismissing experiences as 'tourist traps,' while acknowledging tourism can reduce quality in some cases.

Hardware Attestation as Monopoly Enabler

Key Points

• Apple and Google are increasing their use of hardware-based attestation.
• Play Integrity API and App Attest API are presented as similar attestation tools.
• Apple has brought this model to the web via Privacy Pass, and Google intends to follow.

Incident CVE-2024-Yikes

Key Points

• A compromised left-justify release exfiltrates ecosystem credentials after the maintainer is phished.
• The stolen credentials enable a second-stage attack on the Rust library vulpine-lz4 via a malicious build.rs script.
• The compromise reaches the Python tool snekpack, which then distributes malware to developer machines worldwide.

Stop MitM on the first SSH connection, on any VPS or cloud provider

Key Points

• The method secures the first SSH connection to a new VM using a temporary host key injected via cloud-init.
• It is designed to avoid both Trust On First Use risks and exposure of long-term SSH private keys in cloud-init user-data.
• The article includes a threat model covering network attackers, metadata leakage, workstation compromise, and provider or VM compromise.

Ask HN: What Are You Working On? (May 2026)

Key Points

• Kollaborate.tv introduced new playback and accessibility features and is considering moving off usage-based cloud infrastructure.
• Uruky says it has over 50 paying customers, five search providers, and a newly launched site-search product.
• A separate builder shared progress on an app-assisted real-life puzzle game prototype targeting a near-term MVP launch.

Decoding raw digital photos in Linux (1997)

Key Points

• dcraw is presented as a portable ANSI C tool for decoding raw digital camera files after download.
• The article explains that raw files preserve more image data than JPEG and are often locked behind vendor software for Windows and Macintosh.
• The page provides source code, build instructions, Linux packaging notes, and states support for 731 cameras plus a GIMP plugin.

Local AI needs to be the norm

Key Points

• The article argues that cloud AI integrations add fragility, privacy exposure, and operational complexity to software.
• It uses The Brutalist Report iOS client as an example of generating article summaries entirely on-device with Apple tooling.
• It outlines a practical local summarization workflow, including Apple framework usage and chunking long text into multiple passes.

YC's Biggest Scandals

Key Points

• The article alleges misconduct or weak product claims at several YC-linked startups, with Delve and Naive as the most serious examples.
• It describes one competitive dispute in which Central allegedly copied Warp after learning from it as a customer.
• It also covers shutdowns and pivots, including Wuri and Double Finance, to argue that some YC-backed companies struggled to sustain differentiation.

Eight More 8-bit Era Microprocessors (2024)

Key Points

• The article focuses on lesser-known 8-bit microprocessors whose importance exceeded their market success.
• The TMX-1795 is presented as an early TI design with links to the Datapoint 2200, Intel 8008, and later patent litigation.
• The Mostek Mk 5065 and Intel 8085 are used to show how early CPU ideas evolved into more influential processor families.

SpaceX wants to launch a million satellites

Key Points

• SpaceX filed an FCC proposal for up to one million orbiting data-centre satellites.
• Scientists warn the plan could worsen orbital congestion, space-debris risks, and effects on the night sky.
• The article highlights atmospheric concerns from rocket-launch soot and metal residues left by satellite reentry.

The people preserving the scientific practice of bird banding

Key Points

• Prince Edward Point Bird Observatory uses bird banding and public events to study and explain owl migration.
• North American bird conservation relies on extensive shared banding data across Canada and the United States.
• Proposed U.S. budget cuts could disrupt bird-banding science and affect Canadian conservation data.

Maryland citizens hit with $2B power grid upgrade for out-of-state AI

Key Points

• Maryland challenged PJM’s plan to charge the state $2 billion for grid upgrades tied to data center demand.
• The state says the charge would add $1.6 billion to Maryland consumer costs over ten years.
• The article connects the dispute to wider public and policy opposition to data center-driven grid expansion.

Why modern parents feel more sleep deprived than our ancestors did

Key Points

• Research cited in the article suggests many parents still average around seven to eight hours of sleep, despite early postpartum disruption.
• A German study found mothers lose about an hour of nightly sleep in the first three months after birth, while fathers lose about 20 minutes.
• Hunter-gatherer adults also experience interrupted sleep, but people in industrialised societies report feeling more exhausted overall.

First tunnel element of the Fehmarnbelt Tunnel immersed

Key Points

• The first Fehmarnbelt Tunnel element has been immersed, marking a key construction milestone.
• The 18-kilometre project is set to become the world’s longest immersed tunnel.
• The tunnel will support both road and rail traffic and complete the high-speed link between Stockholm and Hamburg.

Obsidian plugin was abused to deploy a remote access trojan

Key Points

• REF6598 used a shared Obsidian vault and malicious plugins to deliver the PHANTOMPULSE RAT.
• The campaign targeted finance and crypto professionals through LinkedIn and Telegram-based social engineering.
• PHANTOMPULSE reportedly used Ethereum-based C2 resolution and memory-based payload execution to improve resilience and evasion.

Guy Goma's Accidental BBC Interview Lives on After 20 Years

Key Points

• Guy Goma went to the BBC for an I.T. job interview and was mistakenly put on live television.
• He realized the error only after being seated opposite a BBC anchor with monitors showing his face.
• The incident became a lasting and widely remembered moment in broadcast-media history.

Plex's price hikes prove I was right to switch to Jellyfin

Key Points

• The article says Plex is increasing charges for remote streaming of self-hosted media through Remote Watch Pass.
• It recommends Tailscale as a free way to access a NAS and stream media remotely without paying Plex.
• It presents Jellyfin as a mature open-source alternative with recent updates, broad client support, and free hardware transcoding.

Running local models on an M4 with 24GB memory

Key Points

• Qwen 3.5-9B Q4 on LM Studio was the most usable local model on the author’s 24GB M4 MacBook Pro.
• The article provides specific inference settings and configuration steps for enabling thinking mode and coding workflows.
• The author says local models are useful for basic tasks but still trail state-of-the-art hosted models on complex work.

PS3 Emulator Devs Politely Ask That People Stop Flooding It with AI PRs

Key Points

• RPCS3 said it will ban users who submit AI-generated pull requests to its GitHub.
• The project has been active since 2011 and reportedly has 70% of the PS3 library fully playable.
• The article cites Godot Engine as another open-source project dealing with a flood of AI-generated pull requests.

James Schuyler's Genius

Key Points

• The article uses Schuyler’s poem “October” to illustrate his poetic focus on everyday life, seasonal change, and the act of writing.
• It highlights Nathan Kernan’s biography *A Day Like Any Other* as a major recent work on Schuyler’s life and cultural milieu.
• It places Schuyler within the New York School and outlines key facts about his biography, including his military service and move to New York City.

Make America AI Ready: Strengths, Weaknesses, and Recommendations

Key Points

• The article reviews an SMS-based AI literacy course from the Department of Labor and Arist.
• It praises the course’s accessibility, verification mindset, and explanation of AI limitations.
• It criticizes the course for inconsistent privacy advice that encourages personal data sharing before warning against it.

You Need AI That Reduces Maintenance Costs

Key Points

• The article says AI coding agents must reduce maintenance costs, not just increase coding speed.
• A hypothetical maintenance model shows accumulated upkeep steadily reducing time available for new work.
• The author links the model’s pattern to experience with late-stage startups facing slowing engineering output over time.

I designed Microsoft's EA channel in 2001. It's being dismantled in 2026

Key Points

• The article says the author designed Microsoft’s core Enterprise Agreement channel architecture in 2001.
• That architecture supported direct Enterprise Agreement billing and advisory-based partner compensation.
• The model reportedly shaped Microsoft’s enterprise licensing economics for over 20 years and is being dismantled in 2026.

I'm going back to writing code by hand

Key Points

• The author is archiving and rewriting k10s after seven months of AI-assisted development.
• k10s was built as a GPU-focused Kubernetes TUI for operators of NVIDIA clusters, with DCGM-based fleet monitoring as its standout feature.
• The rewrite follows architectural problems traced to a 1,690-line central model file that caused failures across multiple views.

How Fast Does Claude, Acting as a User Space IP Stack, Respond to Pings?

Key Points

• Claude Code was used experimentally as a user-space IP stack that processed raw packets and returned ICMP echo replies.
• The implementation read packets from `/dev/tun0`, parsed IPv4 and ICMP data, and recomputed checksums correctly.
• A real ping succeeded, but the measured round-trip time was about 42.6 seconds using Haiku 4.5.

DBase: 1979-2026

Key Points

• The article says dBase’s official newsgroups have been offline since November 2025 while the website remains online.
• It attributes dBase’s decline to litigation, delayed innovation, and long-term dependence on legacy technologies such as BDE.
• It says dBase LLC modernized parts of the product after 2012 but retained old runtime components and saw development effectively stop after 2019.

The Greatest Shot in Television: James Burke Had One Chance to Nail This Scene

Key Points

• The article highlights a 1978 *Connections* rocket-launch scene featuring James Burke and precise live-action timing.
• It explains that the shot is the conclusion of a full episode linking multiple inventions to the Saturn V rocket.
• The clip remains widely viewed online and is presented as a memorable example of science television craftsmanship.

Shelf Source: Tom MacWright

Key Points

• Tom MacWright says *The World Beyond Your Head* was central to shaping his thinking about technology and embodiment.
• He uses a consistent reading routine: finish a book, write a quick review, and pick the next title.
• Typography books influenced small design choices on his site, and he says writing helps readers better understand what they read.

Conway's Law and Cross-Hatching

Key Points

• The article links Conway’s law, company culture, and product outcomes.
• Palantir is presented as a case study in cross-hatched organizational design.
• Separating engineering and leadership responsibilities can create productive internal tension and stronger customer alignment.

Show HN: adamsreview – better multi-agent PR reviews for Claude Code

Key Points

• adamsreview adds a six-command, multi-stage PR review and fix workflow to Claude Code.
• Its review pipeline combines parallel sub-agent analysis, deduplication, validation, and optional Opus and Codex-based checks.
• The fix loop can automatically apply grouped fixes, re-review results, revert regressions, and commit surviving changes.

7 lines of code, 3 minutes: Implement a programming language (2010)

Key Points

• The article presents a 7-line interpreter for lambda calculus in Scheme and a reimplementation in Racket.
• It explains that lambda calculus is Turing-equivalent despite having only three expression types.
• A larger 100-line interpreter adds practical features and is positioned as a base for richer language design.

Gode Cookery – Authentic Medieval Recipes

Key Points

• Gode Cookery offers medieval and Renaissance recipes adapted from documented historical sources.
• The project names key staff members and includes catering, editorial, and community components.
• The article argues that medieval food used familiar ingredients and methods and remains approachable for modern cooks.