Chrome Math Trick Exposes Your OS!

Vinod Khosla to Buy Seattle Seahawks for $9.6B

Key Points

• Vinod Khosla’s family agreed to buy the Seattle Seahawks for $9.6 billion.
• Neeru Khosla is set to be control owner, while the Allen estate confirmed the sale without detailing financing.
• The deal would rank among the largest sports team control sales and requires compliance with NFL ownership rules.

The 'Father of the Internet' is finally retiring

Key Points

• Vinton Cerf is retiring from Google after more than 20 years as chief internet evangelist.
• Cerf is credited with Robert Kahn for developing TCP/IP, a core foundation of the modern internet.
• Cerf says the rise of AI agents will require formal interoperability standards rather than relying only on natural language.

Show HN: Mindwalk – Replay coding-agent sessions on a 3D map of your codebase

Key Points

• Mindwalk replays coding-agent sessions on a visual map of a repository to show where an agent searched, read, and edited.
• The tool runs locally as a Go binary, supports Claude Code and Codex logs, and provides CLI commands for serving, opening, building, and tracing sessions.
• Its architecture separates normalized session traces from deterministic repository maps and serves the visualization through a React and Three.js frontend.

Protobuf-py: Protobuf for Python, without compromises

Key Points

• Buf launched `protobuf-py`, a Python protobuf library built from scratch with full conformance claims.
• The library targets both completeness and Python-native ergonomics, with typed generated code and no runtime dependencies.
• Buf says the project was created to support its `connect-py` RPC stack and can match `upb` performance with an optional Rust accelerator.

Handsum: An LQIP Image File Format

Key Points

• Handsum is a new DCT-based LQIP format with fixed-size encodings from 48 to 147 bytes.
• The article presents Handsum as a simpler format that can also help readers understand JPEG-style compression ideas.
• A visual comparison benchmarks Handsum against PNG, Thumbhash, WebP, ETC2, and JPEG using well-known sample images.

Autopsy Study Finds Replicating SARS-CoV-2 in the Hearts of Long Covid

Key Points

• Replicating SARS-CoV-2 markers were found in left-ventricle tissue in 11 of 74 autopsy cases studied at least 60 days after infection.
• Cardiac long COVID symptoms were significantly more common in viral-positive cases than in viral-negative cases.
• Viral-positive hearts showed structural abnormalities and inflammatory gene-expression changes, including IRF4-associated findings.

Sixteen Failed Attempts to Write a Eulogy for My Father (2024)

Key Points

• The article centers on the author’s attempt to apply a compassion meditation to a deeply conflicted relationship with their father.
• The father died isolated in a hotel room after years of eviction, job loss, and estrangement from family.
• The excerpt links his decline to drug-related health problems and white matter disease associated with vascular dementia.

Fibonacci's Real Mathematical Legacy

Key Points

• Fibonacci is presented as a key transmitter of Hindu-Arabic numerals in Europe rather than the discoverer of the Fibonacci sequence.
• *Liber Abaci* addressed practical commercial needs in medieval Italy, including arithmetic and currency conversion.
• Later vernacular abacus books spread arithmetic education widely across Italy and Europe, often citing Fibonacci.

Death of the Status Update: Why 55% of Americans Stopped Posting on Social Media

Key Points

• Incogni surveyed 1,000 Americans and found many are rethinking social media use and posting less.
• The article links public social media activity to data collection by brokers and people-search sites.
• More than half of respondents said maintaining an online presence feels like work, with Gen Z reporting this more than Boomers.

Datacentres drive up big tech's carbon emissions to a third of those of France

Key Points

• Microsoft, Amazon and Google’s combined emissions rose to 119 million mTCO2e in the latest reporting year.
• The emissions increase was linked mainly to datacentre and supply chain expansion driven by cloud and AI demand.
• The article says global AI infrastructure spending is accelerating, with 1,200 datacentres projected by 2030.

Ghostel.el: Terminal emulator powered by libghostty

Key Points

• Ghostel.el is an Emacs terminal emulator powered by libghostty.
• The article covers installation, configuration, shell integration, remote TRAMP workflows, and extensions.
• It includes performance, testing, architecture details, and comparisons with vterm and eat.

Old and new apps, via modern coding agents by Terry Tao

Key Points

• AI coding assistance helped Terry Tao port roughly two dozen obsolete Java math applets to JavaScript in a matter of hours.
• The restored applets include older teaching and visualization tools, with minimal new bugs reported and some graphical improvements added.
• Tao also used the same approach to build new visualizations for special relativity and the Gilbreath conjecture as supplementary research tools.

IT administrators are "fed up" with Microsoft's "useless" apps and Windows 11

Key Points

• The article says Microsoft is continuing to update Windows 11, but some changes and product decisions have drawn criticism.
• Neowin cites a Reddit report alleging that a security patch broke Microsoft 365 authentication in Remote Desktop Services environments.
• It also highlights criticism of Microsoft Graph PowerShell, with complexity attributed to Graph API wrappers and rushed replacement of older modules like AzureAD.

Woman in Brazil enslaved for 55 years by 3 generations of the same family

Key Points

• Authorities in Fortaleza rescued a 62-year-old woman who had allegedly worked 55 years in slave-like domestic conditions.
• The family agreed to provide a furnished apartment worth about $30,000 plus $10,000 in compensation, with further legal claims still possible.
• The article connects the case to broader vulnerabilities in Brazil’s domestic labor system and recent recognition of full labor rights for domestic workers.

Xbox 'OG' Adventures

Key Points

• The original Xbox port was a self-funded personal project with no support from Xbox.
• Mirage was reworked from a modern Vulkan-based PC engine into a more portable architecture that could target legacy platforms.
• The port required adapting code and tooling from modern C++ and build systems to original Xbox-era development constraints.

Ditching Zotero for a Text File

Key Points

• The author replaced graphical bibliography managers with a single BibTeX file used directly for nearly two years.
• The article argues that repeated export/import workflows revealed BibTeX as the common underlying format across several tools.
• Keywords, notes, and grep are presented as the main mechanisms for organizing and searching references in a plain-text workflow.

Understanding the Odin Programming Language

Key Points

• Karl Zylinski’s book teaches both introductory and advanced Odin programming concepts.
• The book is available in HTML and eBook formats across several storefronts, including bundled options.
• Version 1.10 updates the content to reflect current Odin features such as `[dynamic; N]T` and related library changes.

Unauthenticated RCE in Motorola's MR2600 Router

Key Points

• The MR2600’s firmware update flow can be abused through unauthenticated upload and flash operations.
• A multipart parsing flaw lets an attacker bypass the upload validation logic and place firmware at `/tmp/firmware.img`.
• The flashing routine accepts unsigned firmware after validation and calls `mtd_write`, enabling malicious firmware installation.

Making Crash Bandicoot (2011)

Key Points

• Naughty Dog moved to Los Angeles in 1994 after finishing *Way of the Warrior* and making a deal with Universal Studios.
• Andy Gavin and Jason Rubin conceived a 3D platform game concept during their drive from Boston to Los Angeles.
• The studio chose Sony’s PlayStation over rival systems and began building the project that became *Crash Bandicoot*.

AI Boosts Research Careers but Flattens Scientific Discovery

Key Points

• The study links AI use in science to higher publication volume, more citations, and earlier leadership for individual researchers.
• Researchers analyzed 41.3 million papers and identified about 311,000 AI-augmented papers using natural language processing.
• The article says AI-heavy research is associated with narrower topic coverage and less intellectual dispersion across fields.

Mystery behind Moana: After 1,700 years, why did Polynesians suddenly sail east?

Key Points

• New climate evidence links severe drought in Tonga and Samoa to the timing of Polynesian eastward expansion.
• Researchers used hydrogen isotopes in ancient sediments to reconstruct rainfall during the migration era.
• The article presents environmental stress, especially reduced rainfall, as a plausible factor in ending the Polynesian “long pause.”

Show HN: Only 1 of 4,356 reachable MCP servers is ready for the 2026-07-28 spec

Key Points

• mcp-spec-check tests live MCP servers for readiness for the 2026-07-28 specification using black-box probing.
• The new MCP release introduces a stateless core and requires routing headers, among other protocol changes.
• A scan of 4,356 openly reachable registry servers found that only one passed all three required readiness checks.

Gina Gallery of International Naive Art

Key Points

• GINA Gallery was established in 2003 and specializes in naïve art.
• The gallery spans two floors and features more than 100 artists.
• Its collection includes artists from over 30 countries, emphasizing international diversity.

Satteri: A Markdown pipeline forged in Rust for the JavaScript world

Key Points

• Sätteri combines a Rust Markdown/MDX engine with JavaScript plugins.
• The tool can be tested in the browser through a WASM-based live playground.
• The article compares CommonMark, GFM, and MDX to explain the Markdown formats Sätteri targets.

Relm – local LLMs as base-R objects, with interpretability

Key Points

• Relm brings local GGUF-based LLM workflows to R through a Rust-backed package built on patched llama.cpp.
• The v0.1.0 release supports generation, embeddings, tokenization, logits, tracing, steering, ablation, and model downloads.
• The project includes a no-Python topic-modelling demo and plans image-input support in v0.2.0.

Show HN: Skillscript – A declarative, sandboxed language for tool orchestration

Key Points

• Skillscript is designed to make AI agent capabilities persistent, executable, and inspectable.
• The language models workflows as declarative, typed DAGs that orchestrate tools, models, and data stores.
• The article argues that a constrained orchestration language is better suited than Python for autonomous agent-authored workflows.

How to Read More Books

Key Points

• The article attributes increased reading volume to replacing idle screen time with books.
• It recommends removing distracting phone apps and always carrying a book or ebook reader.
• It suggests maintaining variety by alternating formats and reading multiple books across genres.

The power of collaboration: How we can reduce traffic congestion

Key Points

• A Nature Cities study tested cooperative routing interventions in Google Maps across 10 major U.S. cities.
• The experiment rerouted fewer than 2% of trips away from selected bottlenecks using similar-time alternative routes.
• Researchers reported statistically significant gains, including a median increase of about 2% in driving speeds and lower emissions.

Don't You Mean Extinct?

Key Points

• The article compares today’s LLM-related programmer anxiety with the CGI disruption that changed *Jurassic Park*’s production.
• Phil Tippett’s "I feel extinct" remark is used as the article’s metaphor for technological displacement.
• Sanglard recommends learning how LLMs work, citing Andrej Karpathy and Sebastian Raschka as resources.

An explanation of our search results

Key Points

• Google said the disturbing search results were algorithmically generated and not endorsed by the company.
• The company attributed the result differences to linguistic context and the anti-Semitic usage associated with the term "Jew."
• Google said petitions would not affect rankings and that removals occur only for legal reasons or malicious manipulation.

TK, or the secret to effortless writing (2024)

Key Points

• "TK" is presented as a journalism-derived placeholder meaning "to come."
• The method helps writers maintain drafting momentum by postponing small unresolved issues until revision.
• TK is favored because it is easy to search and rarely appears naturally in text, reducing false positives.

A no-brainer for protecting your brain

Key Points

• A simple vaccination may significantly reduce dementia risk.
• Alzheimer’s is the most common cause of dementia.
• The article uses Sir Terry Pratchett’s words to illustrate dementia’s personal toll.

Why study Diophantine equations?

Key Points

• Diophantine equations are introduced as a central topic in number theory focused on integer solutions.
• Divisibility, remainders, and modular arithmetic arise naturally from simple equations like Ax=B.
• The Euclidean algorithm, unique prime factorization, and the Chinese Remainder Theorem are presented as connected outcomes of studying these equations.

Autoresearch, Claude and Constrained Optimization

Key Points

• Elliot Smith tests AI agents on a constrained optimization problem instead of a traditional ML benchmark.
• File compression is used as the task, with success measured by smaller output size under correctness and runtime limits.
• The project used Claude Code on Sonnet 4.6, with code published on GitHub and the implementation scaffolded in Rust.

Morphometrics: Introduction to the Analysis of Shape

Key Points

• Morphometrics quantitatively studies form and helps analyze variation, evolution, development, and fossil distortion.
• Landmarks, semilandmarks, and multivariate methods such as PCA are central tools for analyzing shape.
• Functional interpretation of extinct forms requires multiple evidence sources, and not all traits are necessarily adaptive.

Show HN: Shirei, cross-platform GUI framework in native Go

Key Points

• Shirei is a Go-based native GUI framework for macOS, Windows, and Linux.
• Its API is centered on immediate-mode UI defined from application data rather than widget state.
• The project includes international text support, flexible layouts, and a simple Go-based getting-started flow.

The European Oligarchy

Key Points

• The article says senior EU leaders concentrated power around the handling of the Chat Control proposal.
• It names Roberta Metsola, Manfred Weber, and Ylva Johansson as key figures tied to the new vote.
• It states the proposal advanced via a second reading before the European Parliament’s summer recess after an earlier negative resolution.

Show HN: Kurvengefahr – browser CAD/CAM for pen plotters

Key Points

• Kurvengefahr is a browser CAD/CAM tool for pen plotters.
• The interface includes previewing and G-code generation.
• The tool supports drawing, editing elements, and multi-selection in a grid-based workspace.

Automation Without Understanding

Key Points

• The essay says AI is now producing research-level mathematics while U.S. mathematical training capacity is being weakened.
• It defines mathematical capacity as the human ability to verify, interpret, and challenge mathematical reasoning.
• It proposes formal, machine-checkable disclosure of AI decision-critical claims to improve auditability.

Theo de Raadt: "You've been smoking something mind altering" (2007)

Key Points

• Theo de Raadt used a 2007 openbsd-misc post to dispute claims that x86 virtualization improves security.
• He argued virtualization adds another kernel-like layer, increasing bugs and attack surface.
• He also criticized the x86 architecture itself, especially its page-protection model, as a weak security base.

Abject Praise

Key Points

• The article uses Web Platform Tests data to compare Safari’s progress with Firefox and Chromium.
• It argues that Safari’s raw gains look smaller when adjusted for Apple’s slower release cadence.
• It concludes that Safari/WebKit improved less than Firefox and Chromium over both recent and year-long comparisons.

The Lunduke Computer Operating System

Key Points

• LCOS is a Linux operating system built by Lunduke on top of Devuan.
• The project defines itself through policies such as no AI, no online accounts, and no systemd.
• LCOS is in early development and uses a subscriber-only forum as its exclusive discussion channel.

Croc: Securely transfer files and folders between two computers

Key Points

• croc is a CLI tool for secure file and folder transfer using a relay and end-to-end encryption via PAKE.
• The article provides extensive installation instructions across many operating systems, package managers, Docker, and source builds.
• Transfers are initiated with `croc send`, completed with a shared code phrase, and can be customized with advanced flags and environment variables.

Claude Code May–July 2026 weekly limits promotion

Key Points

• Claude Code weekly usage limits are increased by 50% through July 19, 2026 for eligible plans.
• The promotion covers Pro, Max, Team, and legacy seat-based Enterprise users, but excludes Free and consumption-based Enterprise seats.
• Only Claude Code weekly limits change; 5-hour limits, billing, and other Claude product limits remain the same.

Against Usefulness

Key Points

• Folk Computer is presented as a room-scale, open-source physical computing system that turns paper into executable programs.
• The system was built by Omar Rizwan and Andrés Cuervo, drawing on work connected to Dynamicland and Bret Victor.
• The article connects this demonstration to a broader argument that exploratory research underpins later commercial technology.

LARP – Revenue infrastructure for serious founders

Key Points

• LARP satirizes reciprocal deals that generate reported revenue without net new cash or customers.
• The article compares the joke to legal, publicly announced circular commercial arrangements used by real companies.
• It stresses that customers, not the platform, are responsible for accounting, disclosure, and legal compliance under standards such as ASC 606.

Claude Code sends 33k tokens before reading the prompt; OpenCode sends 7k

Key Points

• Claude Code reportedly sent far more upfront tokens than OpenCode in baseline tests, though the gap varied by model.
• OpenCode was measured as more cache-efficient, while Claude Code repeatedly rewrote cacheable prompt content and incurred higher billed usage.
• Configuration files, MCP servers, and subagents can greatly increase token costs before and during coding-agent workflows.

Can We Understand How Large Language Models Reason?

Key Points

• The article says LLMs remain difficult to explain internally despite their strong performance on language, math, and coding tasks.
• Mechanistic interpretability is presented as a growing field working to uncover how deep neural networks function.
• Thomas Icard’s research uses causality to study whether neural networks implement higher-level algorithms that could help explain reasoning-like behavior.

Why write code in 2026

Key Points

• The article says engineers now build the systems and safeguards that let AI agents generate software changes.
• It argues that writing code remains useful for precision, attention, ownership, and understanding system fragility.
• The author says coding agents resemble newly onboarded interns more than compilers and need human guidance and standards.

Deir El-Medina Strikes

Key Points

• A major Deir el-Medina strike occurred around 1158 BC under Ramesses III after workers’ wheat rations were not delivered.
• The workers protested collectively and secured a temporary grain release from funerary temples through the vizier.
• The article describes the event as the earliest recorded collective labor action and places it within a structured worker community.

I love LLMs, I hate hype

Key Points

• The article is highly optimistic about AI tools but critical of fear-based and superintelligence-focused hype.
• It argues that AI progress comes from broad computing trends as well as model development, weakening claims that frontier labs will capture all value.
• It says coding models can be useful productivity tools, but they require careful use and do not eliminate quality-control problems.

The One-Step Trap (In AI Research)

Key Points

• Sutton argues that iterating one-step predictions is an unreliable basis for long-term AI forecasting.
• The article says compounded error and exponential branching make one-step world-model rollout impractical in stochastic settings.
• As an alternative, Sutton recommends temporally abstract models using options and GVFs.

I Learned to Read Again

Key Points

• Kahn says his strongest reading years came in childhood, when books were central to how he understood knowledge and adulthood.
• He attributes his reading decline to social pressure, school expectations, college culture, and assumptions about adult work life.
• The essay shows that his reading habit began to recover after graduation, despite demanding work schedules.

Show HN: Nectar, a Rust-like React that compiles to WebAssembly

Key Points

• Nectar compiles full app logic, state, and rendering to WebAssembly, minimizing JavaScript to a 10 KB syscall layer.
• The article contrasts traditional React dependency overhead with a single-file Nectar component model.
• A demo showcases 10,000 products, canvas rendering, and reactive signals running in WebAssembly.

Migrating a production AI agent to GPT-5.6: 2.2x faster, 27% cheaper

Key Points

• Ploy switched its production agent from Claude Opus 4.8 to GPT-5.6 Sol after internal evaluations.
• The company reports sample gains of 2.2x faster completion, 27% lower cost, and a higher visual score.
• The migration required fixing eval and tooling assumptions that had been implicitly tuned to the previous model.

Neocities: Create your own free website

Key Points

• Neocities offers free personal website creation.
• The platform includes a built-in HTML editor for immediate site building.
• Users can also upload files from a desktop editor via drag-and-drop.

Tiny Emulators

Key Points

• The page showcases Tiny Emus as a browser-based collection of classic computer emulators and related demos.
• It includes processor visualizations for the 6502 and Z80 alongside emulators for many 8-bit systems.
• Some links preload configurations or languages such as BASIC and FORTH, indicating configurable emulator launches.

Defining new Jax types with hijax

Key Points

• Hijax types let JAX users define custom first-class types with explicit typing, autodiff, batching, and sharding behavior.
• Implementing a hi type involves `HiType`, lowering/raising methods, class registration, and custom primitives.
• The `QArray` quantized-array example demonstrates why pytrees can be insufficient for invariant-rich structured data.

Irish datacenters now guzzle 23% of the country's electricity

Key Points

• Datacenters accounted for 23 percent of Ireland’s metered electricity consumption in 2025.
• Their electricity use rose 10 percent year over year to 7,663 GWh, outpacing the 2 percent increase for all other customers.
• New Irish rules require large datacenters seeking grid connections to provide backup generation or battery capacity and support the national grid.

The Seed Beneath the Snow

Key Points

• The article links software-company process debates to James C. Scott’s concept of legibility and its effects on complex systems.
• It argues that informal workplace backchannels and tacit cooperation are core operational mechanisms, not merely exceptions to formal process.
• References to Colin Ward, Kropotkin, and Ursula K. Le Guin are used to frame these dynamics within a broader tradition of mutual aid and self-organization.

Since Chronium 148, Math.tanh is now fingerprintable to link underlying OS

Key Points

• The article says `Math.tanh` outputs differ by OS because browsers use host math libraries.
• Examples from Chrome 150 on Linux, macOS, and Windows show measurable output splits, sometimes across all three platforms.
• Scrapfly says the same issue affects other browser surfaces, including CSS trigonometric functions and Web Audio.

The State of MCP Security [pdf]

Key Points

• Canopii says 830 of 11,524 scanned MCP servers received D or F security grades.
• The report says highly starred servers were more likely to be high-risk than lesser-known ones.
• It identifies confirmed dangerous sinks, widespread unpinned dependencies, and 184 post-publication tool-definition changes.

Flash-MSA: Accelerating Million-Token Training with Sparse Attention Kernels

Key Points

• Flash-MSA is presented as an open-source training-kernel implementation for MiniMax Sparse Attention on Hopper and Blackwell GPUs.
• The article highlights MSA’s use of blockwise sparsity, GQA-based main attention, and group-wise proxy-head specialization.
• Its kernel design caches sparse block indices across training so only the proxy forward remains quadratic in context length.

Storm clouds gather over America's financial supremacy

Key Points

• The U.S. said Brazil’s Pix system disadvantages Visa and Mastercard and proposed a 25% tariff on Brazil.
• Brazil’s president Lula defended Pix and said the country would not give it up.
• Flavio Bolsonaro also backed Pix and suggested limiting its cross-border expansion as a compromise.

So you want to learn physics (second edition, 2021)

Key Points

• Susan Fowler says more than 600,000 people have used her self-study physics guide since the first edition.
• The 2021 second edition was updated based on nearly six years of reader feedback.
• Changes include newer textbook editions, more undergraduate electives, and a new graduate-level electives section.

Show HN: Adaptive Recall, persistent memory for AI assistants over MCP

Key Points

• Adaptive Recall is marketed as a persistent memory system for AI assistants that learns from interactions.
• It combines four retrieval strategies and uses ACT-R-based ranking plus knowledge-graph extraction.
• The product supports MCP and HTTP REST integrations and is built by AI Apps API.

Show HN: Zen Mode – a global focus mode for macOS

Key Points

• Zen Mode provides a global macOS focus mode for any app window using Hammerspoon.
• It centers and enlarges the active window while blacking out the rest of the interface, including Menu Bar and Dock.
• The implementation uses a full-screen CoreGraphics overlay with a transparent cutout and restores window state on exit.

Nuclear war survival guide reveals seven everyday items if disaster strikes

Key Points

• The article links renewed interest in *Nuclear War Survival Skills* to current US-Iran tensions and nuclear war fears.
• It says the guide identifies seven basic essentials for surviving nuclear fallout and was written for ordinary families.
• It details practical recommendations for improvised shelter building and emergency water storage using common materials.

Kode Dot Programmable pocket device for makers, pentesters and geeks

Key Points

• Kode Dot is a handheld programmable device aimed at makers and pentesters.
• The hardware includes ESP32-P4 + C5, an AMOLED touchscreen, wireless support, sensors and real I/O.
• The article emphasizes that users can write code to turn the device into different custom tools.

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

Key Points

• Quxnet and ShareOurPics represent small, focused software products aimed at clear user experiences.
• Duckies AI is an unreleased IDE project centered on skill-aware AI mentorship and layered memory.
• The article also features advanced tooling ideas including a tensor-processing compiler, an agent framework, and an LLM harness.

Cyberpunk Comics, Manga and Graphic Novels

Key Points

• The article compiles five cyberpunk comics, manga, and graphic novels in chronological order from 1975 to 1986.
• *Shatter* is highlighted as the world’s first digital comic, produced using a Macintosh Plus and laser printers.
• *Dominion* is linked to *Ghost in the Shell* through shared setting elements and reused design ideas.

Architecture Description Languages [pdf]

Key Points

• The paper defines and classifies architecture description languages to clarify what qualifies as an ADL.
• It compares several existing ADLs and contrasts them with related modeling and interchange languages such as ACME.
• The comparison highlights both the capabilities and deficiencies of existing ADLs, informing future research needs.

A Speed Limit for Computers

Key Points

• The article applies Ivan Illich’s *Energy and Equity* framework to modern computing power and autonomy.
• It contrasts accepted speed limits in transport with the absence of direct limits on computing capability.
• It uses EPAC e-bike speed caps as an example of technology deliberately constrained by policy to broaden access.

Designing and assembling my first PCB

Key Points

• The project started with Arduino Nano ESP32 prototyping and I2C-based peripheral testing.
• The first custom PCB target is a BME280 sensor module rather than a full dev-board redesign.
• The schematic was built in KiCad using the Bosch Sensortec BME280 datasheet as the reference.

I trained a 113M-parameter earthquake LLM from absolute scratch

Key Points

• The article presents an end-to-end educational workflow for training a 113M-parameter earthquake-focused GPT model from scratch.
• The model was trained on 822.7 million tokens using a mixed corpus of seismology and general text on 2× NVIDIA A30 GPUs.
• The reported results show benefits from longer context windows and from mixing general text with domain text to improve fluency.

Show HN: Codebase Posters – turn any Git repo into generative poster art

Key Points

• The tool generates eighteen deterministic poster visualizations from a repository’s Git history.
• It runs locally with no uploads, telemetry, account requirement, or external dependencies.
• Outputs can be exported as print-ready images or browser-encoded MP4 animations, and the system is extensible through new recipe files.

Profiling the "Abundance" housing bottleneck with real data

Key Points

• Austin and San Francisco show a large gap in housing permitting rates, but modeled price effects did not match real outcomes.
• The article says supply-only models can fail when extended too far or when demand changes sharply, as in San Francisco.
• Vienna’s low rents are attributed mainly to its public and nonprofit housing system rather than permitting speed alone.

How to Get What You Want

Key Points

• The article frames success as improving your position step by step rather than fixating on a distant goal.
• It uses a McDonald's worker-to-billionaire hypothetical to argue for faster job changes and strategic networking.
• It concludes by claiming AI will force broad reassessment of work and personal trajectory.

Why Vanilla JavaScript

Key Points

• The author built Instrux Music, a feature-rich web app for music schools, over the last year.
• The application was built entirely with vanilla JavaScript and Web Components.
• The article compares this approach with major frameworks such as React, Angular, Vue, and Svelte, and discusses build pipelines, TypeScript, and reactivity.

Nicotine pouches, tobacco's latest ploy

Key Points

• Nicotine pouches are oral nicotine products that are growing quickly in sales and popularity worldwide.
• The article cites WHO data showing over 50% sales growth from 2023 to 2024 and says the U.S. holds most of the market's revenue share.
• Stanford researcher Robert K. Jackler says tobacco companies are promoting newer nicotine products as cigarette smoking declines.

Circular Obstacle Pathfinding (2017)

Key Points

• The article applies A* pathfinding to navigation around circular obstacles by representing the environment as a graph.
• Paths are built from straight tangent segments and circular arcs, labeled surfing edges and hugging edges.
• A tangent visibility graph uses internal and external bitangents between circles to generate candidate path edges.

Billion Dollar PDFs

Key Points

• The article lists influential papers and memos across bitcoin, AI, finance, software, EVs, internet strategy, search, and startups.
• It highlights technical concepts including proof-of-work, attention-based Transformers, and PageRank's link-structure ranking.
• It also summarizes strategic lessons on software disruption, EV market entry, internet pivots, and surviving structural downturns.

MacKenzie Scott's Giving, in Quality-Adjusted Life Years (QALYs)

Key Points

• The article models MacKenzie Scott’s philanthropy in QALYs, using $26.3 billion in giving through 2025 as the reference total.
• Estimated impact ranges from about 70,000 to 200,000 QALYs depending on how strictly the model weights causal evidence.
• The methodology uses published causal estimates, Monte Carlo simulation, and publicly available code in Python and TypeScript.

A Peek Inside Jim Henson's Creature Shop, Where Whimsical Puppets Are Designed

Key Points

• Jim Henson’s Creature Shop is now open to the public for tours for the first time in its history.
• Tours include a puppet performance demonstration led by Sesame Street veteran Jennifer Barnhart.
• The article traces how Jim Henson’s New York workshops expanded alongside the growth of Sesame Street and other television productions.

Ask HN: Add flag for AI-generated articles

Key Points

• Hacker News bans generative-AI text on the site itself, but not yet through a parallel rule for linked article content.
• The article says readers increasingly identify and discount prose that appears to come from LLMs.
• A likely product change is a flagging flow that requires users to state a reason, including suspected AI-generated content.

GhostLock, a stack-UAF that has existed in all Linux distributions for 15 years

Key Points

• GhostLock is a Linux kernel stack UAF flaw present from Linux 2.6.39 until its fix in Linux 7.1.
• The bug stems from remove_waiter() clearing state on the wrong task during a proxy-lock rollback path.
• VEGA reports a 97% stable privilege-escalation and container-escape exploit and a $92,337 kernelCTF reward from Google.

The four horsemen behind Postgres outages

Key Points

• VACUUM is presented as a common source of PostgreSQL outages because of I/O pressure and cleanup lag.
• Transaction ID wraparound can force PostgreSQL shutdowns if old IDs are not reclaimed in time.
• Connection limits are another outage risk, and PgBouncer is described as only a partial mitigation.

Calculix: A Free Software Three-Dimensional Structural Finite Element Program

Key Points

• CalculiX 2.23 is a free finite element analysis package supporting modeling, solving, and post-processing.
• The software interoperates with major engineering formats and tools, including Abaqus-based input workflows and several CFD and CAD interfaces.
• A jet-engine example included with the distribution demonstrates structural, fatigue, creep, and resonance analysis capabilities.

Modernizing Property Tax Assessments in Allegheny County

Key Points

• The report says Allegheny County’s lack of regular reassessments since the 1970s has led to inequitable and less transparent property taxation.
• Pro-Housing Pittsburgh used public data and open-source valuation models to estimate countywide residential assessments and compare them with IAAO standards.
• The article says regular in-house reassessments could cost about $1 million annually and improve fairness, transparency, and economic efficiency.

First look at Quest, the final ship of Antarctic explorer Shackleton

Key Points

• Researchers released the first underwater images of Quest from the Labrador Sea.
• Fishing nets appear to have damaged or obscured parts of the historic wreck.
• The expedition is using advanced tools including Alvin and 3D imaging, and will next investigate Terra Nova.

1970 Plymouth Hemi 'CUDA

Key Points

• The 1970 Hemi ‘Cuda is presented as a peak-era Chrysler muscle car built on the redesigned E-body Barracuda platform.
• The Barracuda’s earlier A-body architecture limited engine options, making the 1970 redesign critical to fitting the 426 Hemi.
• The 426 Hemi began as a NASCAR engine, later reached the street in 1966, and was officially rated at 425 horsepower.

Are you telling me a readonly property is wrecking my performance?

Key Points

• Letta Desktop's slowdown was traced to repeated reads of `scrollHeight` during auto-scroll updates.
• Chromium's implementation shows that `scrollHeight` access can force style and layout work.
• The author fixed the issue by setting `scrollTop` to a large number instead of measuring exact content height.

Count Binface

Key Points

• The article documents Count Binface's election results from 2017 to 2024, including runs against several UK prime ministers.
• It highlights the 2021 London mayoral result of 92,896 votes and the 2024 results in London and Richmond & Northallerton.
• The page combines factual election figures with satirical campaign messaging, media mentions, and a fictional TV appearance in Industry.

Guy took Jupiter photo with Game Boy Camera, giant telescope, publishes tutorial

Key Points

• Chris Graue photographed Jupiter by pairing a Game Boy Camera with the Hooker Telescope using a 3D-printed adapter.
• He released the adapter schematics for free and posted a short tutorial video.
• The article frames the project as part of a broader history of Game Boy Camera modding and DIY reuse.

Beavis Ultrasound PnP ISA Sound Card Replica

Key Points

• The project is an open source replica of the Gravis Ultrasound PnP and includes full schematics plus reverse-engineered GAL source code.
• The board is built around the AMD InterWave AM78C201 and has not yet been fabricated or tested.
• The article provides specific fabrication, assembly, and programmable-device instructions, including component substitutions and optional GAL usage.