Bowling Alley Ditches $120K Tech for ESP32s!

Scrying the AMD GFX1250 LLVM Tea Leaves

Key Points

• LLVM support entries suggest AMD’s upcoming GFX1250/MI455X and GFX1251/MI430X accelerators are nearing launch.
• GFX1250 is described as a Wave32-only machine-learning accelerator with WGP-based organization and WMMA support.
• The article highlights a reported jump to 1024 addressable VGPRs per wave as a major architectural change.

Supabase just announced searchable encryption

Key Points

• Supabase now offers a CipherStash integration for searchable, field-level encryption on Postgres-based projects.
• The article says encrypted values remain queryable through Searchable Encrypted Metadata while keys stay under customer control via ZeroKMS.
• Support includes TypeScript applications, Supabase.js, Drizzle, Prisma Next, and direct database workflows through CipherStash Proxy.

Using self-hosted Umami for iOS app analytics

Key Points

• The article introduces `umami-swift`, a lightweight open source Swift package for self-hosted iOS analytics with Umami.
• Apps are tracked in Umami as websites, with screens mapped to pages and events sent directly to Umami endpoints.
• The package queues analytics to disk and batches uploads, reducing data loss and avoiding UI blocking.

How the Elite See Rome

Key Points

• Fulvio De Bonis and Imago Artis arrange rare, high-end access to Rome’s cultural experiences for wealthy clients.
• The article connects present-day luxury tourism in Rome to the city’s long history of hosting travelers and pilgrims.
• Ancient evidence such as the Marble Plan, guidebooks, and souvenir trade shows that Rome has been organized around visitors for centuries.

Boys' ADHD symptoms linked to addictive social media use in new study

Key Points

• A five-year UCSF study found that rising problematic social media use was followed by higher ADHD symptoms in adolescents.
• The association was strongest among boys, especially during mid-adolescence.
• The article emphasizes watching for compulsive use patterns and life disruption, not just total screen time.

Restoring and Demoing 1960s Vintage Computers at the Computer History Museum [pdf]

Key Points

• The Computer History Museum restored a DEC PDP-1 and two IBM 1401 systems through volunteer-led projects starting in 2003.
• The PDP-1 was restored by 2005; the two IBM 1401 systems and related equipment were restored by 2010.
• Since 2013, the restored systems have been used in public demo labs featuring Spacewar! and punched-card printing experiences.

Claude Code uses Bun written in Rust now

Key Points

• The article says Claude Code v2.1.181 and later use Bun’s Rust port.
• Binary inspection showed Bun v1.4.0 and hundreds of embedded `.rs` file paths in the Claude executable.
• A preload-based runtime check also reported Bun 1.4.0, supporting the article’s conclusion.

Half a Second – a book about the XZ backdoor

Key Points

• A Microsoft engineer’s investigation of a half-second login delay led to the discovery of the XZ Utils backdoor.
• The article presents the XZ incident as both a security story and a case study in fragile open-source maintenance.
• The book is free online, written for general readers, and connects the attack to broader funding gaps in critical software.

Show HN: OfflineTTS — Free browser-based TTS & STT that runs locally

Key Points

• OfflineTTS is a free browser-based AI audio toolkit that runs locally.
• It supports text-to-speech, speech-to-text, and subtitle generation.
• It can convert EPUB, PDF, and TXT documents into audio workflows.

Mirror your GitHub repos to tangled.org automatically

Key Points

• synchub mirrors public GitHub repositories to tangled.org.
• The setup is described as a three-step process.
• After setup, every push stays synchronized automatically.

The Mighty Big Array of Finn Jensen LA8YB

Key Points

• Finn Jensen, LA8YB, built a 32 x 17-element Yagi array for 144 MHz over more than 10 years near Oslo.
• The article says the system let him hear his own echoes using only 10 W of RF output power.
• It concludes with a memorial note marking LA8YB’s death on 20.8.2011 and references additional photos by LA8AJA.

Blender 5.2 LTS

Key Points

• Blender 5.2 LTS adds a new node-based system for hair and cloth physics simulation.
• The release introduces Texture Cache, Thin Wall shading, expanded color space support, and improved GI controls.
• New online-hosted assets and Compositor upgrades expand materials, effects, nodes, and screen-space utility workflows.

Ollama: All Aboard Open Models

Key Points

• Ollama announced an $88 million funding round from major venture and angel investors.
• The company says it serves 8.9 million developers and is used by 85% of the Fortune 500.
• Ollama plans to expand hybrid inference, cloud access, and day-one support for newly released open models.

The Art of Insight in Science and Engineering – Mastering Complexity(2014) [pdf]

Key Points

• The book was published by The MIT Press in 2014 and released under a Creative Commons BY-NC-SA 4.0 license.
• Its contents are organized around methods for simplifying and analyzing complexity in science and engineering.
• Topics include estimation, abstraction, symmetry, scaling, dimensions, lumping, probabilistic reasoning, and selected physical applications.

The death and rebirth of my home server

Key Points

• A Raspberry Pi home server failed after microSD corruption became apparent during boot troubleshooting.
• Most important data was preserved because it was stored externally or defined in NixOS configuration.
• The rebuilt setup is designed to reduce flash wear, improve redundancy, and strengthen backups using measures such as zram for swap.

What I learned selling 2,500 MIDI recorders: Hardware is not so hard

Key Points

• Jamcorder has sold 2,500 units and is described as a self-sustaining hardware business.
• The author says software development was harder than hardware, requiring roughly 200,000 lines of code over more than three years.
• The article attributes smoother hardware execution to intentional design simplification and provides practical advice for shipping hardware at medium scale.

Save GPT-5.5

Key Points

• The article calls for preserving GPT-5.5 and keeping it available long term.
• It argues that public interest could help OpenAI justify retaining the model economically.
• It praises GPT-5.5 specifically on ChatGPT and the Codex desktop app, while noting limited testing of alternatives on OpenRouter.

I burned all my tokens researching how to save tokens

Key Points

• A Claude deep-research run reportedly exhausted the author’s subscription in about 30 minutes before producing final results.
• The proposed solution combines Claude, Codex, and Antigravity through shared local memory using an extended claude-mem setup.
• The article advocates model orchestration, using multiple models and benchmark-informed role assignment to control research costs.

Show HN: LoopGain – Stop agent loops with control theory, not max_iterations

Key Points

• LoopGain replaces fixed iteration caps in AI agent loops with convergence-based stopping and rollback.
• The article claims 92.8% lower API spend and roughly 15× faster runtime in a 2,000-trial benchmark.
• The tool works with measurable error signals and supports several major agent frameworks in pure Python.

Minecraft: Java Edition now uses SDL3

Key Points

• Minecraft: Java Edition now uses SDL3 instead of GLFW for windowing, input and platform integration.
• The snapshot changes fullscreen, keyboard and mouse behavior, with Borderless Fullscreen now the default.
• Technical systems were updated, including Data Pack 111.0, Resource Pack 92.0 and expanded loot table reference support.

I joined the IndieWeb, here's what I learned

Key Points

• The article frames IndieWeb as a people-focused alternative to centralized corporate platforms.
• It outlines three pillars: content ownership, cross-platform connectivity, and control over publishing and URLs.
• It uses shutdowns and data losses at services like GeoCities, MySpace, and Google+ to argue against reliance on silos.

Infinities, impossibilities, and the man in the white linen suit

Key Points

• Kurt Gödel’s life ended tragically, but his work remains central to modern logic.
• Gödel’s 1931 theorem challenged David Hilbert’s goal of a complete and consistent formal mathematics.
• The article argues that incompleteness remains relevant in an era defined by major investment in AI.

DRIVE – Operational Excellence for AI-accelerated engineering

Key Points

• DRIVE is a five-pillar framework for measuring engineering organizational health in AI-accelerated environments.
• The article says AI has increased software output faster than governance and control systems have evolved.
• A recurring Operational Excellence review is proposed to turn DRIVE measurements into organizational action.

Bananas sprout in Rayleigh Garden UK after 15 years

Key Points

• A garden in Rayleigh, Essex, produced bananas after 15 years, which the article links to warmer conditions.
• Experts say hotter UK weather is helping heat-loving plants while some traditional crops decline in some regions.
• Musa Basjoo can survive UK winters, but gardeners may still need frost protection and the fruit is not considered good to eat.

Show HN: Akashic – A self-hosted intelligence workspace inspired by Palantir

Key Points

• Akashic is a self-hosted map-based intelligence workspace that combines many public geospatial data sources.
• Its feature set spans air traffic, satellites, seismic activity, weather, disaster alerts, radio, reconnaissance, and infrastructure intelligence.
• The article warns that integrated data sources are not authoritative and should not be relied on alone for critical decisions.

Land Atlas – soil, farmability, and crop analysis for land listings

Key Points

• Land Atlas automates parcel-level agricultural land analysis from captured listings.
• The platform scores soil, climate, risk, and crop suitability using public geospatial datasets.
• It adds pricing, infrastructure, export, and reporting tools while labeling uncertainty and data gaps.

Clever hacker fits 537,000 domains in a $5 ESP32 ad-blocking dongle

Key Points

• An ESP32-C3 backup DNS filter reportedly blocks about 537,000 domains using hashed blocklists stored in flash.
• The system uses 40-bit FNV-1a hashing and binary search to work within 400KB RAM and 4MB flash constraints.
• Disabling OTA updates frees flash space, doubling capacity from roughly 250,000 to 537,000 blocked domains.

UnifiedIR for Julia

Key Points

• UnifiedIR is proposed as a new extensible IR package to replace several older Julia compiler data structures.
• The design is dialect-aware and region-based, with layered views for different compiler and lowering workflows.
• Inference, the optimizer, and JuliaLowering have already been ported, though the system remains a preview and is not yet bootstrap-enabled.

Cagire: Live Coding in Forth

Key Points

• Cagire is a step sequencer that runs Forth scripts at each step.
• It includes a built-in audio engine, Doux, so no external software is required for sound.
• The tool supports custom DSP through a second language, Arf, and includes interactive documentation.

C64 Basic Dungeon Crawler: Goblin Attack (C64 Basic Part 8)

Key Points

• Goblins now chase the player and have position and health data, adding real threat to the dungeon crawler.
• Controls are made configurable by storing key bindings in variables instead of checking hard-coded letters.
• The article explains Commodore BASIC limitations around two-letter variable significance and keyword-related tokenization errors.

Terence McKenna's Mega Bad Trip

Key Points

• A biography by Graham St. John gives a detailed account of Terence McKenna’s severe 1988–89 mushroom trip in Hawaii.
• Kathleen Harrison said McKenna experienced terror and a collapse of meaning during a session that took place amid a powerful storm.
• The article says the event led McKenna to greatly reduce later use of mushrooms, DMT, and ayahuasca.

HMD Touch 4G

Key Points

• HMD Touch 4G is marketed as a hybrid phone combining touchscreen usability with feature-phone simplicity.
• The device includes Express Chat and Cloud Phone Service as key communication and content-access features.
• HMD says the phone supports broad 4G LTE compatibility and is currently available only in India.

Holding the LLM Stack in Your Head

Key Points

• The article presents a roadmap of core mathematical and training concepts behind LLMs.
• It connects foundational tools like vector similarity, probability, and cross-entropy to real language-model behavior.
• It situates modern neural language modeling within a historical progression from earlier NLP approaches.

The Last MPEG-4 Visual Patent Has Expired

Key Points

• The last MPEG-4 Part 2 patent expired on 19 July 2026.
• The final active patent was Brazil’s BRPI0109962B1.
• VIA Licensing Alliance confirmed it was the last MPEG-4 Visual patent.

Show HN: I replaced a $120k bowling center system with $1,600 in ESP32s

Key Points

• The author says commercial replacement of his bowling scoring system would cost $80,000-$120,000, versus a prototype cost of about $200 per lane pair.
• The prototype uses ESP32s, ESP-NOW, RS485, Raspberry Pi, Redis, and web-based software components to control lane functions.
• The project, named OpenLaneLink, is intended to become an open-source alternative to proprietary bowling center systems.

Texas Police Spent $4.5M on Four Chevy Tahoes

Key Points

• Texas DPS approved a $4.4875 million emergency purchase for Cognyte FalcoNet surveillance systems and four Chevrolet Tahoes.
• The article says FalcoNet can intercept phone-to-cell-tower connections and be deployed from vehicles, backpacks, or helicopters.
• The report includes both a detailed purchase-order breakdown and technical specifications from a FalcoNet user guide.

Neither GCC nor Clang are compliant with standard C++

Key Points

• The article says the C++ standard treats C-linkage and C++-linkage function types as distinct.
• GCC and Clang are described as treating those function types as identical in practice.
• The article argues that changing compiler behavior would likely require a breaking ABI change.

The Zen of Parallel Programming

Key Points

• The article links the principles of parallel programming to broader questions of coordination and effectiveness.
• It explains that computation scales only when work is divided, synchronized, and balanced across processors.
• It concludes that uncoordinated power—rather than insufficient power—can be a primary source of inefficiency.

Less Is More: Why Audio on SoundCloud Looks Different

Key Points

• SoundCloud upgraded to Fraunhofer’s libfdk_aac AAC encoder after more than a decade.
• The new encoder cuts some content above about 17 kHz to improve perceived quality in more audible frequency bands.
• The article says this tradeoff reduces distortion and artifacts compared with the older encoder, even at 256 kbps.

Show HN: How much profit does your employer make per employee?

Key Points

• The tool estimates profit per employee for US-listed public companies using SEC 10-K data.
• It calculates an equal per-worker share of reported net income and adds that figure to a user-entered salary.
• The site includes company and industry rankings and discloses caveats, verification methods, and privacy details.

Building an Arch Linux Aarch64 Port for Holo Core

Key Points

• Holo Core is an aarch64 port of Arch Linux being developed by Collabora with Valve for Steam Frame.
• The team has released preview sources, binaries, and a Docker container to let others explore the port.
• The article centers on CI, dependency ordering, rolling-release updates, and library transition issues that complicate reproducible builds.

Natural experiments prove phytoplankton carbon removal works

Key Points

• The article says natural nutrient inputs repeatedly demonstrate that iron addition can trigger phytoplankton blooms in nutrient-poor ocean waters.
• A Tonga hydrothermal vent study is presented as evidence that vent-derived iron can significantly increase nitrogen-fixer growth and deep-ocean carbon export.
• Dust transport from major desert regions is described as a well-studied natural fertilization pathway linked to phytoplankton growth within one to two weeks.

HomeLab #1: MikroTik as a Home Router

Key Points

• The article recommends identifying ISP authentication type and WAN addressing before configuring a replacement router.
• It explains how CGNAT and DS-Lite affect port forwarding, inbound access, and remote connectivity.
• The author’s MikroTik setup uses WinBox for initial access and PPPoE over VLAN 35 on a private IPv4 fiber connection.

Modder Runs GTA III Inside GTA: San Andreas on an In-Game TV

Key Points

• Dryxio demonstrated GTA III running interactively on an in-game TV inside GTA: San Andreas.
• The setup reportedly uses a shared Direct3D device and renders GTA III directly into a live GPU texture.
• The work extends an earlier February 2026 mod that integrated GTA III and Vice City into San Andreas with separate saves and progress.

Orion Browser by Kagi

Key Points

• Orion is presented as a WebKit-based browser emphasizing privacy, speed, and no telemetry.
• The article claims support for Safari, Chrome, and Firefox extensions, with 20 curated working extensions.
• Kagi says Orion is fully user-funded, with Mac and iOS available, Linux in beta, and Windows in alpha development.

Heavy TV watching associated with smaller brain structures, study finds

Key Points

• Frequent midlife TV watching was associated with smaller brain structures and more white matter damage markers later in life.
• The study used long-term ARIC cohort data and later-life MRI scans from about 1,700 adults.
• Other sedentary behavior, especially workplace sitting, did not show the same pattern in this study.

From Muon to Gradient Clipping: Some Thoughts on QK Stability

Key Points

• The article analyzes why original Muon can destabilize Transformer Q and K training.
• It contrasts Adam/SGD parameter-space constraints with Muon’s function-space spectral norm constraint.
• It presents msign as the analytic solution at the core of Muon’s update rule.

A new Intel Itanium (IA-64) emulator that boots Windows

Key Points

• A new IA-64 emulator version 0.1 reportedly boots Windows Server 2003 and Windows XP 64-bit for Itanium.
• The emulator currently does not boot OpenVMS, HP-UX, Linux, or BSD, and performance is reported to be slow.
• The project was announced on Twitter, is not yet open source, and may later be published on GitHub; a later update mentions a QEMU fork running Server 2008.

AI advice made people 3x less accurate but 2x confident, researchers found

Key Points

• Access to AI advice reduced “I don’t know” responses from 44% to 3% and lowered accuracy from 27% to 9%.
• Participants became more confident with AI, with confidence rising from 30% to 76% despite worse performance.
• Researchers used an AI model that was usually wrong on the tested questions to measure overreliance rather than rational delegation.

Show HN: A canvas-based note taking and organizer app

Key Points

• Passinote offers a freeform canvas for placing and organizing notes visually.
• Its main features are drop-anywhere placement, stacks, named zones, and PDF export.
• The app includes instant autosave and history, and is available through a linked web app.

We want Texans to know their rights

Key Points

• EFF links Texas abortion-related investigations to use of ALPR camera data and other surveillance tools.
• Mayday Health launched a Houston billboard campaign to inform Texans about surveillance risks and healthcare options.
• The nonprofit says it emphasizes privacy by limiting data collection and directing users to security resources.

How to Abandon Your Climate Commitments and Get Away with It

Key Points

• The article documents a broader retreat by major companies from earlier climate and sustainability pledges.
• It says cost, technological limits, and rising energy demand are major reasons companies are missing or revising targets.
• Walmart and JBS are presented as key examples of companies that acknowledged missed goals or redefined previous commitments.

Grok-iOS – remote Grok Build from your iPhone over ACP

Key Points

• Grok-iOS turns an iPhone into a remote client for a Mac-hosted Grok Build agent.
• The default communication path uses ACP / JSON-RPC over WebSocket with `grok agent serve`.
• The project is open-source, requires Apple development tools, and is not available on the App Store.

Talk: The Art of Braiding Algorithms

Key Points

• The talk was presented at Relatorium on July 10, 2026, and served as a rehearsal for a Bridges presentation.
• The workshop applies braid groups and braid theory to the study of string figure algorithms as algorithmic art.
• Participants were asked to prepare a closed loop of string in advance, with practical guidance on length and materials.

Biggest Probabilistic Computer Turns Noise into Answers

Key Points

• The new system scales probabilistic computing to 1 million p-bits across 18 FPGAs.
• Researchers say the machine can exceed a trillion probabilistic flips per second.
• The study addresses a key scaling challenge by defining how often chips must exchange data to act as one computer.

Ise Jingu and the Pyramid of Enabling Technologies (2021)

Key Points

• Ise Jingu rebuilds key shrine structures every 20 years through the Shikinen sengu tradition.
• The reconstruction includes both buildings and thousands of ceremonial artifacts made with traditional methods.
• Exact rebuilding depends on traditional timber joinery, hand-tool craftsmanship, and sourcing very old hinoki wood.

CO2 overload in blood suggests toxic atmosphere within 50 years

Key Points

• NHANES data from 1999 to 2020 showed rising serum bicarbonate and falling calcium and phosphorus in the U.S. population.
• The study links these blood chemistry trends to physiological mechanisms involved in CO2 transport and acid-base regulation.
• Authors project that continued trends could push these biomarkers toward accepted healthy-range limits over coming decades.

Ask HN: What are your favorite blogs not about AI?

Key Points

• The thread asks for favorite blogs that are not primarily about AI and receives many cross-domain recommendations.
• Recommended sources include technical blogs, niche hobby sites, Substack newsletters, and one podcast.
• Topics represented include software development, graphics, math, economics, photography, history, and procedural generation.

DeKalb deputy charged with Flock camera misuse; more Georgia officers fired

Key Points

• A former DeKalb sheriff’s sergeant was fired and criminally charged over alleged misuse of license plate reader data.
• Three Fayetteville officers were fired after an audit found unauthorized plate searches involving themselves or people they knew.
• Flock Safety recently added automated audit alerts as its surveillance network faces growing scrutiny in Georgia.

11,700 Free Photos from John Margolies' Archive of Americana Architecture

Key Points

• The Library of Congress made the John Margolies Roadside America Photograph Archive free to use and reuse.
• The archive includes 11,710 color slides documenting decades of U.S. roadside architecture and Americana.
• Library of Congress staff added metadata to improve public search and access to the collection.

Moonshine: Lets you stream games from your PC to any device running Moonlight

Key Points

• Moonshine streams games from a Linux PC to Moonlight clients using isolated compositor sessions.
• It supports headless operation, GPU encoding, HDR, full input passthrough, and low-latency audio streaming.
• Setup requires Linux, systemd, Moonlight 6.0.0+, and compatible Vulkan-capable GPUs such as NVIDIA RTX, AMD RDNA2+, or Intel Arc.

The Anti-Palantir Manifesto

Key Points

• The article argues that Internet infrastructure has become a foundation for mass surveillance.
• Palantir is named as a central example of privatized surveillance linked to state power.
• It calls for privacy-protecting software and hardware and criticizes AI-enabled warfare.

World GeoHistoGram

Key Points

• World GeoHistoGram is presented as a structured world-history reference with geographic and chronological labels.
• The content lists major civilizations, empires, and regions across the Americas, Africa, Europe, and Asia.
• It includes thematic layers covering writing, agriculture, religion, iron spread, imperialism, and turning points.

Delete Your Data with Drop

Key Points

• DROP is now available.
• The platform is intended to require data brokers to delete user information.
• The article says this can be done with a single request.

Claude Fable produced a counterexample to the Jacobian Conjecture

Key Points

• The post claims a polynomial counterexample to the Jacobian Conjecture in C^3.
• It states the map has constant Jacobian determinant -2.
• It claims three distinct inputs map to the same output and links Wolfram|Alpha for verification.

The Chickens and the Bulls (2012)

Key Points

• A 1965 call about a fake detective at Grand Central Station triggered the investigation described in the article.
• The suspect’s request for $150 from a runaway’s father in Texas raised suspicion because it exceeded the stated travel need.
• Detective James McDonnell identified the man as suspicious after he failed basic credibility checks and police-specific questioning.

Power companies are using eminent domain to seize land for data centers

Key Points

• AI-related data center growth is increasing demand for new U.S. transmission lines and land access.
• Power companies are using eminent domain in some cases to obtain land for infrastructure serving data centers.
• The legality of these takings depends on whether courts view the projects as serving a public use under federal and state law.

Korg PS-3300 - one of the rarest synthesizers in music history is back

Key Points

• Korg has revived the PS-3300, one of the rarest analogue synthesizers ever made, originally limited to fewer than 50 units.
• The reissue was developed with original creator Fumio Mieda and is hand-built in Japan for limited release in the UK.
• Korg says the new model preserves the original three-layer architecture while using modern components where necessary.

LoRA Speedrun – a public wall-clock leaderboard for fine-tuning techniques

Key Points

• The benchmark fixes Qwen2.5-1.5B, GSM8K, and one NVIDIA L40S, and ranks submissions by training wall-clock time.
• The current listed record is 6m 05s at 61.1% GSM8K, improving on an 11m 57s plain LoRA baseline.
• All official records must pass three fresh-seed reruns in a network-blocked Modal environment.