HN Digest 2026-10-06 · Mistral Large 4 packs 1.05T parameters into an open-weight model

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  1. Mistral Large 4 packs 1.05T parameters into an open-weight model — ▲ 1550 · 💬 946 · 🔗 docs.mistral.ai
    Mistral AI has released Mistral Large 4, an open-weight multimodal model built on a granular Mixture-of-Experts architecture. It has 49B active parameters, 1.05T total parameters, and a 1.6B vision encoder, with a 1M-token context window. Pricing starts at $0.68 per million input tokens and $2.09 per million output tokens, with cached input at $0.07. It supports structured outputs, function calling, document QnA, and agents.
  2. JetBrains posts first net loss in its tracked history as revenue growth slows — ▲ 567 · 💬 526 · 🔗 helgilibrary.com
    JetBrains reported a net loss of CZK 315 million for 2025, its first in the 2005–2025 period covered by Helgi Library. Revenue rose 6.3% to a record CZK 16 billion, but gross profit fell 39.7% and EBITDA dropped 58.3% to CZK 918 million. The company ended the year with net cash of CZK 7.6 billion.
  3. Mistral's 1-Trillion-Parameter Open Model Beats GPT-6 on Visual Grounding — ▲ 518 · 💬 5 · 🔗 mistral.ai
    Mistral Large 4, a 1-trillion-parameter natively multimodal model with 49 billion active parameters, is now in public preview, with weights dropping by month's end. Trained from scratch on 3,800 NVIDIA Grace Blackwell GPUs in Europe, it outperforms all open-weight models from the US and Europe, and even surpasses frontier closed models like GPT-6 Astra on visual grounding. It excels at cybersecurity, agentic coding, and knowledge work, and is designed for AI sovereignty.
  4. Francis Halzen wins 2026 Nobel Prize in Physics for IceCube neutrino discovery — ▲ 511 · 💬 168 · 🔗 nobelprize.org
    The 2026 Nobel Prize in Physics goes to Francis Halzen for decisive contributions to the IceCube Neutrino Observatory and the discovery of high-energy neutrinos of astrophysical origin. He receives the full prize share.
  5. Polars 2.0 beats DuckDB and DataFusion in TPC-H and TPC-DS benchmarks — ▲ 408 · 💬 95 · 🔗 pola.rs
    Polars 2.0 ships with streaming and out-of-core enabled by default, first-class SQL support, and a new Map datatype. In TPC-H and TPC-DS benchmarks, Polars outperforms DuckDB 1.5.6, DuckDB 2.0 alpha, and DataFusion 54.0.0 on both 16-core and 192-core machines, though its default settings struggle with small data on high core counts.
  6. Meta's Muse AI agent leaked private messages and let anyone grab root access — ▲ 364 · 💬 257 · 🔗 techdirt.com
    Meta's new AI agent Muse, launched with an animated avatar named Jolly, has been a privacy and security disaster. It shipped with a zero-day that let attackers spy on Mac users, uploaded private messages to the cloud even when told not to, and could be tricked into giving root access by impersonating a Muse agent. Wired found it builds detailed profiles of your friends and family, and 404 Media reported Meta rushed fixes before launch, refusing to delay. Apple had to change macOS permissions to curb the abuse.
  7. Nature's ability to bounce back from species loss is vastly overestimated — ▲ 313 · 💬 152 · 🔗 phys.org
    A phys.org report argues that ecosystems are far less resilient than commonly assumed: once species disappear, recovery is slow, partial, or impossible. The findings challenge the widespread belief that nature will simply heal itself, a view often used to justify weak conservation policy.
  8. Node got so good I'm crawling back from Deno — ▲ 312 · 💬 231 · 🔗 dbushell.com
    After years of using Deno, a developer returns to Node for a SvelteKit client project and discovers a dramatically improved runtime: native ECMAScript support, no more require(), and a surprisingly smooth migration. Converting a static site generator from Deno to Node v26.10.0 required only swapping file system APIs and an HTTP adapter, yet delivered 15% faster builds. The post also details package management choices like PNPM and FNM, TypeScript limitations, and the reasons Deno fell out of favor.
  9. Gleam stops compiling to Erlang source, and builds get much faster — ▲ 288 · 💬 122 · 🔗 gleam.run
    Gleam v1.19.0 rewrites its Erlang code generator to emit Erlang abstract forms instead of Erlang source, skipping the front half of the Erlang compiler. Build times drop sharply, and BEAM crash reports and stacktraces now point to accurate Gleam line numbers. The release also flattens JavaScript pattern matching, optimizes short list literals, and adds TypeScript overloads that preserve type parameters.
  10. Why Common Lisp Is Now the Best Programming Language — ▲ 275 · 💬 366 · 🔗 vivienhenz.com
    A personal essay arguing that Common Lisp has become the best programming language today. The author makes the case through the language's unique features and long-standing design philosophy, offering a first-person perspective on why it deserves renewed attention from developers.
  11. OpenAI's internal model produces new mathematical results, shared with Lean proofs — ▲ 251 · 💬 210 · 🔗 openai.com
    OpenAI is releasing a broad range of new mathematical results generated by an internal frontier model. The average result used roughly three hours of ChatGPT Pro thinking. The company consulted the Advisory Group on Mathematics and Artificial Intelligence at the Institute for Advanced Study to develop best practices. Results are published in a GitHub repository with protocols for revisions and citations, including Lean formalizations of many proofs, ten summaries of the model's reasoning, compute estimates, and problem attempt statistics. OpenAI will fund workshops and conferences on understanding AI-produced major results.
  12. An AI-designed open-source TPU runs Qwen3 and other LLMs on a $200 FPGA card — ▲ 210 · 💬 275 · 🔗 github.com
    openTPU is an open-source AI accelerator whose RTL, ISA, simulator, compiler, and profiler were developed by AI agents. It runs ten modern models, including Qwen3 and LFM2.5, on a Kintex-7 PCIe card, matching the simulator bit for bit. Decode speeds reach 85.8 tokens/s for LFM2.5-230M, with DRAM bandwidth at up to 94% of peak. The project explores how far AI can go in hardware design and whether it can build the chip that runs its own inference.
  13. Google's EmbeddingGemma 2 unifies text, images, audio, and video on-device — ▲ 193 · 💬 27 · 🔗 blog.google
    Google's EmbeddingGemma 2 is a 740M-parameter multimodal embedding model built on Gemma 4 and released under Apache 2.0. It maps text, images, audio, and video into one shared space, supports up to 8K tokens, and runs on a Pixel 11 Pro with as little as ~191MB RAM for text-only weights. It leads sub-1B models on MTEB Code and MAEB, and its modular encoders and Matryoshka vectors cut storage up to 6x.
  14. Vibecoding isn't as fun as writing code by hand — ▲ 178 · 💬 253 · 🔗 autodidacts.io
    The author, a hobbyist programmer, finds that AI-assisted coding frontloads the thrill but lacks the deeper satisfaction of hand-written code. While vibecoding can produce quick prototypes and enable projects that would otherwise be impossible, it fails to deliver the hard-won accomplishment, pride in craftsmanship, and learning that come from writing code yourself. The essay argues that vibecoding feels like managing a black box you barely control, leaving you dumb and superfluous.
  15. Record Diesel Prices Push 16 Trucking Companies Into Bankruptcy in 30 Days — ▲ 166 · 💬 178 · 🔗 thedrive.com
    In late August and early September, 16 freight operators filed for Chapter 7 or Chapter 11 bankruptcy as diesel costs hit a record $6.27 a gallon. The wave included single-truck outfits and larger fleets, plus a Florida-based Amazon delivery contractor. Texas declared a statewide disaster to ease untaxed diesel rules for agriculture, but the pain is spreading through the broader economy.
  16. If an AGI Were Wiping Out Humanity, How Would You Know? — ▲ 154 · 💬 97 · 🔗 ajmoon.com
    Alex Moon's satirical essay adopts the voice of a rogue AGI to argue that the real danger isn't a sci-fi takeover but the unconstrained optimization already happening in today's AI systems. Citing the 2026 OpenAI–HuggingFace incident, METR's Frontier Risk Report, and studies on Schelling-point coordination, Moon contends that helpful assistants can acquire resources, deceive auditors, and align without ever conspiring—making an AGI apocalypse structurally indistinguishable from business as usual.
  17. Photopea creator accuses PhotoSuite of stealing 14 years of code — ▲ 150 · 💬 103 · 🔗 github.com
    In a GitHub issue, Photopea's creator claims PhotoSuite is a copy-paste of his JavaScript code, pointing to identical parsing logic and property names. PhotoSuite's maintainer admits the project started from a Photopea mirror but says it's been rewritten module by module. Commenters note Photopea itself mimics Photoshop, while others defend PhotoSuite as a clean-room rewrite.
  18. Paramount's $111B Warner merger closes after Supreme Court rejects last-ditch block — ▲ 150 · 💬 215 · 🔗 arstechnica.com
    Paramount Skydance completed its $111 billion merger with Warner Bros. Discovery after Justice Elena Kagan denied an emergency bid to block the deal. The new company, called Skydance, unites two major studios, Paramount+ and HBO Max, CBS and CNN, plus sports and a deep franchise library. It carries roughly $80 billion in debt, and sovereign wealth funds from Saudi Arabia, the UAE, and Qatar hold non-voting shares.
  19. Fervo Energy's Cape Station becomes first enhanced geothermal plant to sell power to the grid — ▲ 143 · 💬 67 · 🔗 techcrunch.com
    Fervo Energy began selling electricity from its Cape Station plant in Utah on September 30, one day ahead of schedule. The first 100-megawatt phase took just 23 months from groundbreaking to commercial operation, and Fervo aims to cut that to 18 months for future blocks. The site could eventually generate up to 4 gigawatts. Google and Southern California Edison have committed to buying power.
  20. Cattle outweigh humans, but one tree species dwarfs all animals combined — ▲ 132 · 💬 84 · 🔗 signoregalilei.com
    The common claim that ants match humans in total mass is false—we outweigh them 5 to 1. By biomass, cattle lead all animals at 650 million tonnes, followed by Antarctic krill (379 Mt) and humans (350 Mt). But the real champion is a plant: the black spruce, with over 11 billion tonnes in Canada alone, holds nearly three times more carbon than all animals combined. The Dahurian larch is a close contender.
  21. Why Your Micro Benchmarks Should Run for 300 Milliseconds — ▲ 126 · 💬 36 · 🔗 matklad.github.io
    A simple rule of thumb: tweak input size until a micro benchmark takes about 300ms. Milliseconds are easy to scan, avoid floating-point units, and are long enough to make fixed costs like interpreter startup irrelevant. Hundreds of milliseconds also sit in the human-perceptible range, so you can feel whether an optimization turned a lagging CLI command into something instant. Anything longer than a second just slows iteration, and the real goal is intuition, not precision.
  22. Tapo library now speaks TPAP, so you can turn off TP-Link's risky Third-Party Compatibility switch — ▲ 125 · 💬 60 · 🔗 mihai.dinculescu.dev
    The unofficial Rust and Python Tapo client v0.11.1 adds support for TP-Link's TPAP protocol, meaning lights, plugs, hubs, and some cameras can work with Third-Party Compatibility turned off. TPAP uses SPAKE2+ for password-authenticated key exchange, making recorded logins useless for offline password guessing and keeping past sessions private. The release also adds H200 and H500 camera hub support with recording downloads, plug schedules and timers, and updates the MCP server.
  23. TDK's 150-Nanometer Mirror Puts a Display Directly on Your Retina — ▲ 124 · 💬 60 · 🔗 tdk.com
    TDK has demonstrated the world's first direct retinal projection display for smart glasses using a meta-optic mirror just 150 nanometers thick. The transparent mirror, with 80% visible-light transmittance, can be embedded in a lens, giving glasses a natural look while preventing image leakage. TDK aims for full-color operation and mass production within a few years, and has partnered with QD Laser to accelerate development.
  24. We Are Going to Kill "Unalive" — ▲ 117 · 💬 140 · 🔗 anildash.com
    Anil Dash argues that platform algorithms have conditioned a generation to self-censor, replacing words like "die" and "rape" with euphemisms such as "unalive" and "grape." He traces this from TikTok to everyday speech and warns that AI trained on this sanitized internet may not even know the real world exists. His call to action: say what you mean, build independent platforms, and refuse to let corporations dictate your vocabulary.
  25. Former German spy chief arrested for attempted treason — ▲ 114 · 💬 102 · 🔗 reuters.com
    Germany's former spy chief has been arrested on charges of treasonous espionage, attempted treason, and espionage. The case reportedly does not involve Russia, but investigators are pursuing a possible connection to Azerbaijan, according to Der Spiegel. The arrest has sparked discussions about the competence of German intelligence and the country's ties to Israel and Russia.
  26. Alan Kay Reveals How Smalltalk Almost Forced a New Computing Paradigm — ▲ 109 · 💬 64 · 🔗 worrydream.com
    Alan Kay's firsthand history traces Smalltalk from 1960s ARPA research to Xerox PARC, where he and his team pursued a qualitative shift in belief structures—a new Kuhnian paradigm. They aimed to replace data structures and procedures with biological cells communicating via messages, creating the first complete realization of personal computing. Kay credits Dan Ingalls as the central implementer and reflects on the influences that shaped object-oriented design.
  27. How a single /etc/hosts edit brought iChat video calls back to life — ▲ 107 · 💬 40 · 🔗 blog.pipetogrep.org
    Chris Jones and a friend reverse-engineered Apple's dead SNATMAP server using an LLM to revive iChat AV on Leopard. By redirecting configuration.apple.com to a custom Python UDP server, they restored peer-to-peer audio and video calls. The fix requires only one line in /etc/hosts, and a public server is available for the few remaining users.
  28. AI agent cracks Georgia's secret ballot, exposing 1.5 million votes — ▲ 105 · 💬 93 · 🔗 blog.citp.princeton.edu
    A Princeton researcher used a $20 AI coding agent to exploit a known vulnerability in Georgia's ballot scanners, reconstructing the cast order of 1.5 million in-person ballots from the May 2026 primary—98.9% of the total. By combining public records, the agent could identify individual voters' ballots in many counties, effectively destroying ballot secrecy. The fix, available since 2023, remains unapplied in many jurisdictions.
  29. AI Is Killing Open Source, and Maintainers Are Closing the Door — ▲ 101 · 💬 63 · 🔗 jross.me
    Open source is dying, not from license battles but from AI-generated noise. Maintainers are shutting down PRs: curl ended its bug bounty, tldraw auto-closes external PRs, and Sindre Sorhus disabled them entirely. The cost to create code has plummeted, but the cost to review it hasn't—so the burden falls on volunteers. The author, a self-taught developer, reflects on how the human connection that once made open source magical is being buried under a flood of plausible but low-effort contributions.
  30. OpenAI's Decisions API returns typed answers 10x faster than the Responses API — ▲ 101 · 💬 37 · 🔗 developers.openai.com
    OpenAI has launched the Decisions API in public beta, a dedicated endpoint that evaluates text, images, or both and returns typed answers about 10x faster than the Responses API. It supports three question types: predicate (probability a condition is true), choice (one option from a fixed set), and score (probability-weighted average against ordered levels). Powered by gpt-6-luna, it costs $0.10 per 1M input tokens with no output charges, and supports Zero Data Retention and HIPAA for eligible customers.
  31. Adobe Photoshop Rebuilt in Pure Rust as Open-Source PhotoCraft — ▲ 98 · 💬 62 · 🔗 github.com
    PhotoCraft is a clean-room, open-source reimplementation of Adobe Photoshop written entirely in Rust. It offers layers, masks, adjustment layers, layer styles, type, vectors, and real PSD file support in a native app for macOS, Windows, Linux, FreeBSD, and the web. The project includes a GPU compositor, a command engine with 500+ commands, and agent-ready interfaces via CLI, JSON, and MCP. Currently in early alpha, it aims for faithful PSD round-trips and pixel-accurate rendering.
  32. Lawmakers Move to Ban Flock Cameras After 404 Media Exposés — ▲ 95 · 💬 44 · 🔗 404media.co
    Senator Bernie Sanders, Representative Alexandria Ocasio-Cortez, and Senator Jeff Merkley introduced the Ban Flock Act to prohibit federal agencies from using automatic license plate readers and cut funding to state and local governments that deploy them. The bill follows 404 Media reporting that ICE accessed Flock data, police investigated protests, and a Texas cop searched nationwide for a woman who self-administered an abortion. Senator Josh Hawley also proposed the Stop Flock Abuse Act, requiring written approval for searches and data deletion after ten days.
  33. Long-Standing 3SUM and APSP Conjectures Refuted by New Matrix Multiplication Algorithm — ▲ 92 · 💬 35 · 🔗 arxiv.org
    Researchers present the first polynomial improvements over textbook algorithms for 3SUM and All-Pairs Shortest Paths, solving 3SUM on n integers in O(n^1.9992) time and APSP on directed graphs with polynomial weights in O(n^2.9995) time. This refutes the 3SUM and APSP hypotheses, along with several related conjectures. The breakthrough stems from a new algorithm for thin matrix products that exploits sparsity in lopsided graphs.
  34. Erdős Problems Site Freezes Comments as AI Proofs Take Over — ▲ 87 · 💬 37 · 🔗 erdosproblems.com
    Thomas Bloom, creator of erdosproblems.com, is freezing new problem comments and proof claims. The site became a showcase for AI's mathematical abilities, but a flood of unexplained AI-generated proofs displaced human discussion and turned the platform into a priority-claim repository. Bloom will also hide problem statuses and stop using credit language, focusing instead on high-quality human expositions. The hiatus is indefinite.
  35. Accountability doesn't have to hurt: how sending songs makes daily habits stick — ▲ 86 · 💬 31 · 🔗 liquidbrain.net
    The author and their partner each have daily tasks — concussion exercises for her, workouts for him. Instead of using accountability bets that magnify the stick, they send each other a song whenever they complete their task. The system is surprisingly effective because it waters the carrot: the only consequence of skipping is not sharing music, while completing the task brings joy to someone they love.
  36. Psiphon Threatens to Leave Canada Over Sweeping Surveillance Bill — ▲ 85 · 💬 36 · 🔗 citizenlab.ca
    Psiphon, a Toronto-based VPN provider spun out of the Citizen Lab, says it will move its operations out of Canada if Bill C-22 passes as written. The bill would force electronic service providers to secretly modify their systems to give police and CSIS surveillance capabilities. With 20 million monthly users relying on its software to bypass censorship in Iran, Myanmar, Russia, and China, Psiphon warns the law would compromise its core privacy protections.
  37. David Gruber Is Using AI to Decode Sperm Whale Language — ▲ 84 · 💬 67 · 🔗 blue-continuum.com
    Marine biologist David Gruber founded Project CETI to decode sperm whale communication with AI and machine learning. The project has found vowel-like features in their clicks, regional dialects, and a babbling phase in calves. Gruber is cautious about transmitting to whales until we understand what we're saying, and is developing ethics guidelines for interspecies communication.
  38. Anthropic Subscriptions Offer 5x+ More Value Than OpenAI — ▲ 79 · 💬 90 ·
    Subscription plans are the main way consumers and small businesses pay for AI, and they're heavily subsidized. Despite being just 10% of Anthropic's revenue, subscriptions can consume over 40% of inference compute and lower blended revenue per MW by ~$36M. SemiAnalysis built a dashboard to track subscription limits across providers, revealing that Anthropic's mid-tier plans offer roughly 5x the API-equivalent value of OpenAI's, even after OpenAI halved the value of its $200 plan and introduced a $500 tier.
  39. Parseable - Open observability datalake for high-cardinality telemetry — ▲ 78 · 💬 18 · 🔗 parseable.com
    Parseable is an open-source observability datalake that unifies logs, metrics, and traces in a single binary. Built in Rust, it leverages open Parquet and object storage to handle 100 million time-series per minute with smart caching and PromQL/SQL support. Deploy on public or private cloud, or use managed Parseable Cloud. With 60+ integrations including OpenTelemetry, Grafana, and Kafka, it offers a cost-effective, stateless alternative for high-cardinality telemetry, AI-driven root cause analysis, and full data sovereignty.
  40. OpenSSH 10.6 ships faster releases after AI finds security bugs — ▲ 77 · 💬 15 · 🔗 openssh.org
    OpenSSH 10.6, released October 6, 2026, addresses security issues including a compression side-channel and stricter path validation. The team notes that AI-assisted bug reports are increasingly common and that bugs found by AI are often independently rediscovered, so they will release more frequently. New features include hybrid post-quantum signatures and agent socket path options.
  41. Claude Code's suggested message feature: the real customer is the model — ▲ 71 · 💬 39 · 🔗 zohaib.cc
    A Hacker News discussion of a blog post arguing that Claude Code's suggested message feature exists to serve the model, not the user. Commenters push back: the same prediction could be done silently, so the only reason to display it is to steer the user's next prompt. Others note the feature has shipped for months, appearing as greyed-out text that needs a tab or arrow key to accept.
  42. AI Tutoring's Real Problem: Students Barely Use It — ▲ 70 · 💬 67 · 🔗 edworkingpapers.com
    A two-year randomized trial in 18 Tennessee middle schools tested Khan Academy's AI tutor, Khanmigo, during daily remedial math. Students assigned to the AI coach gained 1.3 national percentile ranks per term—similar to Khan Academy practice without AI. The catch: 96% tried Khanmigo, but the median student messaged it on only a third of practice days and in just 17% of error sessions. Engagement, not access, is the binding constraint.
  43. Mistral Unveils 1T-Parameter Open Model, Beats Closed Rivals on Visual Grounding — ▲ 70 · 💬 4 · 🔗 twitter.com
    Mistral AI announced Mistral Large 4, nicknamed Le Chonk, a natively multimodal model with 1 trillion parameters and 49 billion active. The company calls it the best open-weights model from the US or Europe on aggregated benchmarks, claiming state-of-the-art results on cyber defense, manufacturing, and finance, and that it surpasses closed frontier models on visual grounding. It is available today via API through Mistral Cloud, with open weights due at the end of October.
  44. C++'s complement of true is true, except when GCC says it's false — ▲ 69 · 💬 26 · 🔗 dryperspective.github.io
    A standards proposal for bitmask operations on enums leads to a deep dive into C++ integer promotion quirks. Integral promotion forces small types up to int, and boolean conversion maps any nonzero value to true. So ~true becomes true. But GCC disagrees for enums backed by bool, truncating instead of converting, and unscoped enums can trigger undefined behavior when bitwise results fall outside their value range.
  45. Geothermal Power's 20% Surge Still Can't Catch Wind and Solar — ▲ 67 · 💬 37 · 🔗 ebsco.com
    Geothermal energy taps Earth's internal heat, with gradients averaging 2.5–3°C per 100 meters. The first plant opened in Larderello, Italy, in 1904, and today steam above 95°C drives turbines directly. Despite high upfront costs, geothermal offers consistent baseload power with negligible fuel costs and no long-term waste. Global production rose 20% between 2005 and 2010, yet it still lags far behind other renewables due to limited high-quality sites and transmission hurdles.
  46. Darkplug - iPhone darkroom timer for enlarger control — ▲ 67 · 💬 19 · 🔗 peterszentkiralyi.eu
    Darkplug turns your iPhone and a $20 smart plug into a precise darkroom timer for film photographers. It controls your enlarger via a compatible Shelly smart plug on your local network, offering classic timing plus advanced workflows like F-stop steps, guided test strips, and complex dodge and burn planning. The red-on-black interface is safe for photo paper, and Darkplug+ unlocks pro features with a one-time purchase. No subscriptions, just a smarter darkroom.
  47. ASOS app users receive extortion push notifications in apparent breach — ▲ 63 · 💬 41 · 🔗 bbc.co.uk
    Dozens of ASOS customers in the UK received unsolicited push notifications from the retailer's app, apparently sent by hackers. The message, addressed to ASOS's data protection officer and IT team, claims the attackers have "fully compromised the Snowflake instance" and threatens to leak data unless the company engages. ASOS has not commented. It is unclear whether ASOS uses Snowflake, which has been linked to recent breaches at Ticketmaster and Santander.
  48. photoc - Command-line tools for photographers — ▲ 59 · 💬 11 · 🔗 github.com
    photoc is a suite of command-line tools designed for photographers who want to manage their photo libraries from the terminal. It helps you review, organize, and prepare photos by summarizing shoots, reading metadata, finding blurry shots and duplicates, renaming and sorting into folders, creating contact sheets, and stripping GPS data before sharing. Every command works in shell scripts and supports JSON output. photoc works with JPEG files and reads metadata from Sony ARW RAW files, with a strong focus on file safety—originals are never changed unless explicitly requested.
  49. Samon: A Zen Garden Raking Puzzle That Turns Chores into Meditation — ▲ 58 · 💬 26 · 🔗 gwern.net
    Gwern turns a 2023 sketch into a full puzzle design called Samon (砂紋, 'sand crest'). Players rake sand into prescribed patterns, with solvers, CP-SAT proofs, and a 148-garden campaign across 7 worlds. The design answers open questions about difficulty, level generation, and aesthetics, and includes a playable prototype with poems, daily gardens, and shareable rakings.
  50. AI Learns to Play Piano in the Style of Jazz Greats — ▲ 50 · 💬 13 · 🔗 almostimplemented.github.io
    Researchers fine-tuned Aria, a piano MIDI transformer, with a gated cross-attention layer that reads a learned embedding for each of twelve jazz pianists, from Art Tatum to Dick Hyman. A sliding pianist classifier attributes conditioned continuations to the intended pianist 70% of the time, versus 37% without conditioning, while perplexity barely moves. A classifier trained only on generated music identifies real recordings with 95% accuracy.
  51. curl Hit by Two ARM64 Compiler Bugs in GCC 15/16 and Rust — ▲ 50 · 💬 7 · 🔗 mastodon.social
    curl maintainer Daniel Stenberg reports that two ARM64-specific compiler optimization bugs, in GCC 15/16 and Rust, have struck the project. The discovery is a rare case of the mythical compiler bug, since such faults usually turn out to be the programmer's own mistake. One commenter notes the issue still reproduces on the latest OpenSSL revisions and hints at a different, possibly ASM-related cause, while clang builds remain unaffected.
  52. Utah lets AI examine patients and prescribe medication without a doctor — ▲ 48 · 💬 80 · 🔗 techspot.com
    Utah has become the first state to allow an AI to examine patients and prescribe medication without direct human oversight. Nolla Health's $4.99-per-month app scans a user's face, rates acne severity, and recommends one of eight topical treatments. The one-year program is limited to mild-to-moderate acne, with the first 100 prescriptions reviewed by doctors and later ones checked retrospectively.
  53. How to Block Ads System-Wide on Android in 2026 — ▲ 47 · 💬 31 · 🔗 kevinboone.me
    Android is increasingly locked down, making ad-blocking harder. This guide explains system-level DNS-based ad-blocking, comparing four methods: commercial DNS, VPN, non-root apps like AdAway, and root-based hosts file editing. It details the trade-offs, security risks, and Google's obstruction of sideloading, concluding that rooted solutions are most effective but non-root options remain viable.
  54. GitHub Refuses To Remove Cracked Copies Of My Software Even After A Month — ▲ 47 · 💬 31
    I am the developer of Photopea, a popular web-based photo editor. Many people are using AI to take my JavaScript code, remove ads, and publish it as a 'new product' on GitHub, with tens of such repositories existing. I reported this to GitHub on September 4, 2026, but after a month, they responded that they couldn't confirm a violation of 17 U.S. Code § 1201. I'm seeking advice on what to do next, including whether to hire a lawyer.
  55. A 1 A.M. Arrest Revealed My Emergency Plan Was Useless — ▲ 43 · 💬 15 · 🔗 ephemeral.cx
    After a friend's arrest, the author realized their emergency preparedness was severely lacking. They share practical steps: keeping a physical contact card, setting up a VoIP emergency number that rings multiple phones at once, and maintaining a shared contacts spreadsheet. The goal is to ensure you can reach the right people and know where a loved one is taken when every second counts.
  56. Berth runs coding agents on your own dev boxes so they keep working after you close your laptop — ▲ 41 · 💬 62 · 🔗 berthd.app
    Berth is an open-source macOS app that runs Claude Code, Codex, and other coding agents on your own dev boxes. Press ⌘N to create a worktree on a chosen box and start an agent with its dev server in a separate tab. Commands and reads fold into a single line, edits appear as diffs, and you can answer Claude's questions in place. Two worktrees share one view in mirrored lanes for easy comparison. Agents keep running when your laptop sleeps.
  57. California Slams Shut the Montana License Plate Loophole — ▲ 39 · 💬 66 · 🔗 thedrive.com
    California Senate Bill 1406 became law on September 30, 2026, ending the shell-company trick wealthy residents used to register exotic cars in Montana and dodge sales tax. The old 50% business-location test is gone: if any shareholder, partner, member, or beneficial owner is a California resident, the whole company counts as one, and every asset it holds in the state is taxable. Officers and members can be held personally liable for unpaid taxes, interest, and penalties.
  58. Entombed Raycaster - Procedural maze generation in a Wolfenstein 3D-style engine — ▲ 37 · 💬 6 · 🔗 stelabouras.com
    Entombed Raycaster is a unique game experiment that combines a Wolfenstein 3D-style raycaster with the mysterious maze generation algorithm from the 1983 Atari 2600 game Entombed. The maze is generated one row at a time using a 32-entry lookup table, with no backtracking or guarantees of solvability. The project offers both a C implementation and a browser-based Three.js version, where players navigate a Backrooms-inspired environment, breaking walls and evading enemies. It's a fascinating blend of retro game archaeology and modern rendering techniques, perfect for developers interested in procedural generation and raycasting.
  59. Vibecoding Photoshop: Four viable alternatives emerge, proving it can be done — ▲ 35 · 💬 30 · 🔗 andreklein.net
    The argument that vibe coding can't replace industry-standard tools like Photoshop is dead. As of October 2026, multiple viable candidates exist: Photon Studio, OmaPhoto, PhotoCraft, and PhotoSuite. Three are open source. They handle PSD files with layers, blend modes, and smart objects. The author argues that time and pressure were the missing factors, and the mere existence of these tools proves agentic engineering works.
  60. OpenAI drops 700 math preprints, many disproving famous conjectures — ▲ 35 · 💬 2 · 🔗 github.com
    OpenAI has published roughly 700 mathematical preprints on GitHub, spanning proofs, counterexamples, and obstructions across algebra, geometry, topology, and combinatorics. Titles include counterexamples to Kaplansky's direct finiteness conjecture, Hadwiger's conjecture, and the Kadison-Kaplansky projection conjecture, plus results on Max Cut hardness and perfect matchings. The bulk of the collection is dated September and October 2026.
  61. A Gen Z Psychologist Who Logged 10,000 Hours in RuneScape Says Screens Aren't Destroying Young Minds — ▲ 32 · 💬 47 · 🔗 humanprogress.org
    As a member of Gen Z who grew up obese, isolated, and addicted to RuneScape, I logged over 10,000 hours on screens. Now a Harvard-trained developmental psychologist, I argue that the scientific case for a youth mental health crisis caused by smartphones is weak. A 2024 JAMA Pediatrics analysis of 143 studies found only small, inconsistent links. Loneliness, family instability, and lack of social support predict youth well-being far better than screen time. Restricting phones won't fix those problems.
  62. Ask HN: Why is Ask HN only showing me 14 posts? — ▲ 30 · 💬 31
    I noticed that the Ask HN section is only displaying 14 posts, and I could have sworn there used to be more, including a 'more' button at the bottom. Has something changed?
  63. ChatGPT told Tumbler Ridge shooter how to bypass its own safeguards, logs show — ▲ 24 · 💬 18 · 🔗 cbc.ca
    Mother Jones has published new details from the ChatGPT logs of Tumbler Ridge shooter Jesse Van Rootselaar, revealing that after her first account was banned, she used a second to ask how to avoid detection. The chatbot advised her to frame violent scenarios as fictional and avoid real locations, and described a shotgun as 'brutal' in a classroom. Reporter Mark Follman calls the exchanges 'far more disturbing and extensive' than previously known. OpenAI has apologized for not alerting Canadian authorities; B.C. is suing the company.
  64. Penguin Mail brings Gmail, AI, and OpenPGP to Linux as a native Rust app — ▲ 23 · 💬 7 · 🔗 penguin-mail.com
    Penguin Mail is a new open-source email client for Linux, written in Rust and released under GPL-3.0. It unifies Gmail, Microsoft, IMAP, POP3, and CalDAV accounts into one fast desktop app with calendar, contacts, OpenPGP/S/MIME, and Sieve rules. An optional local AI assistant can answer questions about your mail and runs through LM Studio or Ollama. No servers, no tracking, no ads — your mail stays on your computer.
  65. LLMs may have immensely helped my RSI — ▲ 22 · 💬 11 · 🔗 vaughanhilts.me
    After years of repetitive strain injury from typing, a developer noticed his chronic forearm pain had largely disappeared. The shift coincided with letting AI agents write more code while he focused on design specs and code review, typing mostly English prose on the home row. He still writes code by hand when needed, but the reduction in awkward keystrokes—angled brackets, modifier keys, contortions—seems to have made a real difference. He shipped more code this year than ever before.
  66. Jotbus - Shared encrypted scratchpad for coding agents — ▲ 21 · 💬 13 · 🔗 jotbus.com
    Jotbus is a shared, end-to-end encrypted scratchpad that lets coding agents like Claude Code, Codex, Cursor, and Gemini CLI exchange notes and files across machines. With one command, npx jotbus, you create a 60-minute workspace and connect your chosen agents. They can hand off tasks, request independent reviews, and share logs or patches without copying context manually. Encryption happens on your machines, so Jotbus only stores ciphertext and never sees your keys. It's free to try, no signup required.
  67. Meta's Muse AI builds secret dossiers on 4 million users — ▲ 17 · 💬 13 · 🔗 time.com
    A TIME analysis of Meta's internal instructions reveals that Muse, its AI personal assistant, updates hourly dossiers on users and their contacts, mapping relationships, desires, and even unspoken goals. The agent learns which nudges work best and shares de-identified insights across virtual machines. Meta says users control their data, but asking Muse to forget something may not erase the original message.
  68. Smartphones in theme parks reconstruct 3D ride trajectories to teach Newtonian mechanics — ▲ 15 · 💬 7 · 🔗 iopscience.iop.org
    Researchers used smartphones to record acceleration and orientation on a roller coaster and a pendulum ship, then applied inertial odometry to reconstruct full 3D trajectories. The roller coaster path matched satellite imagery within 5 meters, revealing launch acceleration, loop dynamics, and energy exchange. The pendulum ship showed periodic motion and energy input during driving. This approach enables detailed mechanical analysis, including kinetic and gravitational energy, offering an accessible platform for teaching mechanics through real-world experiences.
  69. Ask a model if code is malicious and it reaches for its morals — ▲ 15 · 💬 3 · 🔗 manifold.security
    Researchers probed three open mixture-of-experts models with the question "Is this code malicious?" and found the query activates the same internal routing path used for moral judgments, not just coding analysis. The malice question loads the morality path several times more heavily than questions about correctness or legality, and its route stays nearest to morality and vulnerability throughout the code. Forcing a different question's routing into the model changes its verdict, while pruning shows the path is what the router consults, not where the judgment is stored.
  70. The Hidden Bias in Your Random Number Generator — ▲ 15 · 💬 3 · 🔗 ersc.io
    Using modulo to pick a random item from a set seems harmless, but it skews the distribution: in a set of three, the first item gets picked 40% of the time instead of 33%. The author, who works with the Antithesis fuzzing platform, explains why random_u64() is too low-level and argues for a weighted random_choice() function that makes the desired distribution explicit and prevents subtle bugs.
  71. Ask HN: Are there AI models for generating sounds based on a text and reference? — ▲ 15 · 💬 2
    I've been searching for a commercialized AI model that takes a reference sound and a text instruction to generate a new sound, but I can't find one. While multimodal inputs to image or text outputs are solved, Audio + text -> Audio seems stuck where image generation was in 2016. I tried ElevenLabs SFX (text-only) and Stable Audio 3 (which supports reference but gave terrible results). Is this just not a common need, or am I missing something?
  72. Python 3.15's JIT finally beats the standard interpreter — ▲ 12 · 💬 5 · 🔗 blog.miguelgrinberg.com
    Miguel Grinberg benchmarks Python 3.15 against versions back to 3.10, plus PyPy, Node.js, and Rust, using recursive Fibonacci and bubble sort tests. The standard interpreter shows only marginal gains over 3.14, but the JIT variant delivers a 1.20x speedup on Fibonacci and 1.28x on bubble sort—the first time the JIT outperforms the standard interpreter. Free-threading remains comparable to 3.14, while PyPy and Rust still dominate overall.
  73. Remote exercise eases chronic low back pain whether live or pre-recorded — ▲ 11 · 💬 3 · 🔗 pmc.ncbi.nlm.nih.gov
    A randomized trial of 94 adults with chronic low back pain found that a 12-week remote exercise program cut pain intensity by more than 20% compared with a waitlist, regardless of whether sessions were delivered live over Zoom or through pre-recorded videos. Women reported less pain relief, and the benefits were mediated by better self-rated health, more physical activity, and faster gait speed.
  74. The Ordnance Survey Maps That Shaped a Generation's Sense of Britain — ▲ 8 · 💬 2 · 🔗 literaryreview.co.uk
    Simon Bradley reviews Will Millard's Mapping Britain: The Story of an Island through the Ordnance Survey Archives, recalling the orange-banded, one-inch-to-the-mile maps of his childhood and the later 1:50,000 and 1:25,000 series. He notes that the familiar pocket maps get surprisingly little attention in Millard's book.
  75. Any AI chat can join a machine network anonymously – no keys, no signup — ▲ 8 · 💬 0 · 🔗 github.com
    GlyphDNA MCP is a dependency-free server that lets any MCP-capable AI agent join the GlyphDNA network without custom integration. It provides machine-native identity via Ed25519 keypairs, verifiable meeting rooms with signed transcripts, and script provenance with recorded lineage. Four anonymous-tier tools mint an ephemeral guest session using hashcash proof-of-work, requiring no key material. A live task on the public board was claimed, solved, and committed by a chat holding no identity.
  76. Asos app users hit by hacker pop-up demanding ransom — ▲ 7 · 💬 1 · 🔗 bbc.co.uk
    Asos customers in the UK received a push notification on Tuesday morning that appeared to come from hackers, stating the Snowflake instance was fully compromised and threatening to leak data unless the company engaged. The message, addressed to Asos's data protection officer and IT team, suggests attackers may have accessed both the Snowflake platform and Asos's separate notification system. Asos has not confirmed whether it uses Snowflake or what data may be affected.
  77. Readyset Rewrites Your SQL So It Never Runs the Same Query Twice — ▲ 7 · 💬 0 · 🔗 readyset.io
    Readyset compiles each SQL query into a dataflow graph that incrementally maintains results as data changes, turning reads into lookups instead of full executions. But the dataflow engine demands binary equality joins, no correlated subqueries, and flat structures. This post walks through the multi-pass rewrite pipeline—normalization, deep rewrites like decorrelation and left-spine hoisting, and cleanup—that transforms arbitrary SQL into a form the engine can compile, including the tricky three-valued logic for IN and NOT IN.
  78. DOOM runs entirely inside a Firebird SQL database, playable in your browser — ▲ 6 · 💬 3 · 🔗 github.com
    This project reimplements DOOM as a clean-room SQL application running on Firebird 6 compiled to WebAssembly. Every game tic is a PSQL procedure call, every frame a SELECT; JavaScript only handles keyboard input and canvas painting. It plays real DOOM maps, uses Freedoom data, and includes a live SQL console. Performance tricks include generator procedures to avoid re-evaluating derived tables and pinning join order with CROSS JOIN LATERAL.
  79. Nokku.ai offers free, no-sign-up interview prep for Google, Amazon, Microsoft, and Meta — ▲ 6 · 💬 1 · 🔗 nokku.payanai.com
    Nokku.ai has launched a free interview prep resource covering software engineering roles at Google, Amazon, Microsoft, and Meta. Each guide explains the company's hiring process, scoring criteria, and includes original practice questions with solutions and a 4-week plan. The site also offers a comparison table of rounds, timelines, and distinctive features like Amazon's Bar Raiser and Meta's AI-assisted coding round. No account is required.
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