Rust Postgres Suddenly Looks Real!

The Vintage Beauty of Soviet Control Rooms

Key Points

• The piece features a curated selection of Soviet-era vintage control rooms.
• It emphasizes the analog nature of these rooms, with large buttons and dials instead of digital screens.
• It references Present And Correct and includes the Chernobyl Reactor 4 control room with photo credit to Cary Markerink.

What's the best way to do authentication in modern applications

Key Points

• The article compares localStorage, in-memory storage, and httpOnly cookies for handling authentication in web apps.
• XSS and CSRF are treated as key threats that should shape authentication architecture decisions.
• It also covers sessions vs. JWTs, OAuth, and practical React integration.

Documentation is still in your Mum's filing cabinet

Key Points

• Folder-based documentation reflects an old desktop metaphor rather than how knowledge is connected across work.
• Research on Information Foraging and Semantic File Systems supports retrieval by clues, meaning, and attributes instead of strict hierarchy.
• Modern AI retrieval systems highlight the limits of folders by surfacing information through context rather than storage location.

Otary – Image and Geometry Python Library Now Has Tutorials

Key Points

• Otary added a new Tutorials section to its documentation.
• The tutorials cover image processing, geometry operations, and OCR examples.
• The page describes the tutorials as learning examples rather than a complete API reference.

Companies are scrambling to curtail soaring AI costs

Key Points

• AI agents are driving higher enterprise AI costs because they consume large amounts of processing power.
• Heavy business users are already facing significant AI-related bills.
• Costs could escalate further as AI agents are added across hundreds of enterprise software tools.

Show HN: Dotenv-Diff v3.0.0

Key Points

• Dotenv-Diff scans codebases and `.env` files to catch environment variable issues before runtime.
• It includes framework-aware support for SvelteKit, Next.js, and Nuxt, plus broader JavaScript/TypeScript compatibility.
• The tool supports CI/CD integration, baselines, variable explanation, expiration metadata, and monorepo workflows.

Almost $1B Later, the US Still Can't Make a Medical Glove

Key Points

• The Blue Star NBR factory received $123 million in federal financing to support domestic nitrile glove production.
• The plant was meant to be the first U.S. producer in over 30 years of a key ingredient used in medical gloves.
• After four and a half years, the facility may be sold for parts instead of entering production.

A font that humans can read but AI cannot

Key Points

• Ghost Font uses moving-dot video patterns to make messages readable to humans but difficult for AI to decode from static images.
• The article compares Ghost Font with the older ZXX anti-OCR typeface, arguing that modern AI can now read ZXX easily.
• The article says Ghost Font adds decoy messages and local processing, but still acknowledges encryption as the only reliable secrecy method.

Google Search lets creators know more about their reach

Key Points

• Google Search Console is adding platform properties for cross-platform creator discovery reporting.
• The feature covers search-driven discovery of Instagram, TikTok, X, and YouTube content.
• Google says the rollout will happen gradually over the coming weeks.

pgrust passes 100% of the Postgres regression tests

Key Points

• pgrust passes PostgreSQL regression and isolation tests while targeting Postgres 18.3 compatibility.
• The project is disk compatible with Postgres and can boot from an existing Postgres 18.3 data directory.
• pgrust is still early-stage: it is not production-ready, not optimized, and not compatible with existing extensions.

The mask that compiles to nothing: how HotSpots JIT learned to reason about bits

Key Points

• `(x << 2) & -4` is redundant because the shift already clears the lowest two bits.
• C2 historically used signed ranges to model possible values, but ranges cannot express bit-pattern guarantees.
• HotSpot extends this with known-bits masks, a technique also used in LLVM and GCC.

Show HN: HTMLDrive – serve HTML files from your Google Drive

Key Points

• HTMLDrive lets users edit HTML and Markdown files directly from Google Drive in a browser.
• The service can publish supported files to public URLs without requiring viewer accounts.
• The article says files stay in Google Drive while only cached published copies are stored and removable via unpublish.

Networking and the Internet, from First Principles

Key Points

• The article explains how digital messages travel through radio, copper, fiber, and submarine cable infrastructure.
• It describes the internet as a decentralized network of independently operated systems rather than a centrally controlled service.
• It covers foundational networking concepts such as packets, routing, reliable delivery, naming, and encryption.

Your code is fast – if you're lucky

Key Points

• The article shows that compiler optimization can depend on coding style, not just algorithmic intent.
• It uses a branchless Quicksort example with sorting-network macros for small partitions.
• Clang is singled out as especially effective at generating branch-free loop instructions when the source matches the right pattern.

FCC Approves Test of Space Mirror to Light Night Sky Despite Outcry

Key Points

• The FCC approved Reflect Orbital's single test satellite, Eärendil-1, for launch into low Earth orbit.
• The prototype would use a nearly 60-foot mirror to reflect sunlight onto a roughly three-mile-wide area on Earth after dark.
• Opponents warned of effects on astronomy, wildlife, agriculture, aviation, and circadian rhythms, but the FCC said such broader concerns fall outside its review scope.

Semantic/Hybrid Search in the Browser

Key Points

• The article aims to enable semantic search on a static site entirely in the browser, with no server or API.
• A full browser transformer setup worked but required 23.45 MB and about two seconds to load on the author’s laptop.
• The proposed lightweight alternative uses model2vec 'potion' embeddings as a static lookup table rather than a neural network.

Speculations Concerning the First Ultraintelligent Machine (1965) [pdf]

Key Points

• Good argues that an ultraintelligent machine is crucial enough to frame as a matter of human survival.
• He predicts that the first such machine will likely use extensive artificial neural circuitry and brain-inspired theory.
• He says the machine should learn from experience through reinforcement and be developed through iterative scientific experimentation.

Book: RISC-V System-on-Chip Design

Key Points

• The book targets advanced undergraduates and is structured to be accessible with limited prior background.
• It includes open-source educational materials such as SystemVerilog, C, and assembly code, plus benchmarking and Linux boot support.
• Its technical coverage includes complete RISC-V processor design, multiple core styles, major extensions, peripherals, and Skywater process implementation support.

Show HN: Richest people in the world by wealth creation instead of ownership

Key Points

• The project ranks founders by wealth created for other stakeholders, not by personal ownership.
• Its metric subtracts the founder’s retained stake from shareholder wealth created by the company.
• The article explicitly says the ranking does not claim a founder built the company alone.

USAA closed 51% of home insurance claims without making a payment in 2025

Key Points

• NAIC filings cited in the article show USAA and affiliates closed about 51% of home insurance claims without payment in 2025.
• Weiss Ratings lowered the four USAA insurers to C+ from B-, with the article noting ratings focus on financial strength and risk profile.
• USAA said the data is misleading without context and that fewer than 6% of homeowner claims were denied without payment when all factors are included.

Digital Deli, 1984 book by early PC hackers and enthusiasts

Key Points

• *Digital Deli* is a 1984 personal-computing anthology edited by Steve Ditlea and archived on AtariArchives.org.
• Its contents span computing history, hardware and microprocessors, hacker culture, and home-computer use.
• The book includes essays on major figures and platforms such as Ada Lovelace, Grace Hopper, ENIAC, Apple, IBM PC, Atari, and TRS-80.

We scaled PgBouncer to 4x throughput

Key Points

• ClickHouse used multiple PgBouncer processes with so_reuseport to scale connection pooling across CPU cores.
• Process peering was added so Postgres cancel requests could be forwarded to the PgBouncer process that owns the session.
• On 16-vCPU AWS EC2 instances, the 16-process setup reached roughly 4x the throughput of a single PgBouncer process.

The Victorian War on Rabies

Key Points

• Rabies was once a major source of fear in 19th-century Britain, where it was seen as an especially English disease.
• Victorian doctors believed rabies spread mainly through infected saliva, but they still disputed whether some cases arose spontaneously.
• Attempts to control rabies through dog restrictions faced repeated resistance because they were viewed as threats to personal liberty.

Show HN: Learn by rebuilding Redis, Git, a database from scratch

Key Points

• The platform teaches programming by having users rebuild systems like Redis, Git, and databases from scratch.
• It offers 80+ courses in 9 languages with structured Fundamentals-to-Advanced tracks.
• The service is presented as free forever with no credit card required.

Modern Decor May Be Straining People's Brains

Key Points

• A review in *Vision* links visual discomfort to the brain’s response to repetitive, high-contrast, or flickering artificial patterns.
• Natural scenes may be easier for the visual system to process than many modern man-made environments.
• The article says visually sensitive groups, including people with migraines, epilepsy, autism, ADHD, and dyslexia, may be disproportionately affected.

Sixtyfour (YC P25) Is Hiring

Key Points

• Sixtyfour is hiring for an in-person role focused on data sample creation and customer support.
• The role spans customer requests, quality control, churn monitoring, and coordination with engineering.
• The hiring process includes an intro call, take-home assignment, and paid onsite in San Francisco.

Female US rower completes historic solo journey from California to Hawaii

Key Points

• Kelsey Pfendler finished a solo California-to-Hawaii row in just under 44 days.
• The article reports she appears to have exceeded both the prior women’s and men’s speed records for the route.
• Her social media updates documented the practical and physical demands of surviving alone during the Pacific crossing.

Amber the programming language compiled to Bash/Ksh/Zsh

Key Points

• Amber 0.6 alpha has been released as a type-safe programming language.
• The language is described as compiling to Bash, Ksh, and Zsh.
• The article demonstrates Amber with a typed code sample and runnable example input.

AI Can't Recreate the Thrust Game (But It Can Help You Understand It)

Key Points

• Claude Code failed to faithfully recreate *Thrust* in the browser despite being given detailed source material.
• The article says the original game’s feel depends on precise timing, gravity, and momentum behavior that were not reproduced.
• Claude proved useful as a tool for analyzing commented 6502 disassembly and generating subsystem specifications.

Leaded Gas Was a Known Poison the Day It Was Invented (2016)

Key Points

• Tetraethyl lead was adopted in gasoline in the 1920s even though its toxicity was already known.
• Ethanol was a viable anti-knock alternative, but the article says business and control considerations favored TEL.
• The health effects of leaded gasoline have persisted for decades, with children facing especially severe harm from exposure.

Earendel (Astronomical Object)

Key Points

• Earendel was first reported in 2022 from Hubble observations and may be the most distant known star if it is a single object.
• The object is observable because gravitational lensing by galaxy cluster WHL0137-08 strongly magnified its light.
• Later James Webb observations suggested Earendel is more likely a star cluster, while also providing color and spectral characterization.

BLISS

Key Points

• BLISS was developed at Carnegie Mellon University around 1970 and was a major systems language before C became dominant.
• The language is typeless and expression-based, with system-oriented features such as macros, coroutines, and machine-specific access.
• DEC maintained BLISS across many architectures, and OpenVMS utilities were widely written in BLISS-32.

Reverse centaurs are the answer to the AI paradox

Key Points

• Doctorow explains AI’s mixed reception through the contrast between “centaurs” and “reverse centaurs.”
• A Hearst summer guide with hallucinated books is used as an example of a worker serving as the human backstop for AI-generated output.
• Doctorow contrasts that with his own controlled use of Whisper for transcription, framing it as a productive human-led workflow.

Prefer Strict Tables in SQLite

Key Points

• Adding `STRICT` to a SQLite table definition enables rigid type enforcement.
• Strict tables reject unsupported column types and incompatible inserted values, while still allowing lossless conversions.
• Migrating an existing non-strict table to strict mode may require creating a new table and copying data.

Who manages the agents?

Key Points

• The article contrasts centralized AI control with widespread human-directed use of agents.
• It describes a two-tiered AI access system shaped by safety restrictions and privileged access for selected groups.
• It argues that AI productivity gains in software development are currently concentrated among a very small group of expert users.

AI 2040 and the Cult of Intelligence

Key Points

• Hotz argues there is still no AI "hard takeoff" because physical-world constraints remain binding.
• He uses hardware production, shipping, and chip fabrication examples to show why intelligence alone does not determine deployment speed.
• The article favors locally controlled AI over centralized governance and provider-controlled safeguards.

Nvidia, CoreWeave, and Nebius: Inside the Circular Financing of the GPU Boom

Key Points

• CoreWeave and Nebius are expanding rapidly by supplying AI compute capacity built around Nvidia GPUs.
• Both companies have large contracted power footprints, but much of that capacity still needs to be brought online through expensive buildouts.
• The article says hyperscaler commitments exceed $145 billion in potential value, while financing risks remain elevated due to debt and Nvidia-linked support.

The Oral History of the Dinosaur Input Device (DID)

Key Points

• *Jurassic Park* initially planned to use stop-motion and go-motion dinosaurs before CGI tests changed the production direction.
• Tippett Studio and ILM built the Dinosaur Input Device so traditional animators could control CG dinosaur motion through a physical armature.
• The article documents early motion-blur experiments and the Spielberg screening of a T-Rex test that led to the final CGI decision.

How to Hide from Killer Drones

Key Points

• Russian military trucks in Ukraine are using black-and-white striped camouflage to disrupt drone machine vision.
• The camouflage is intended to fool AI-based targeting systems, not human observers.
• The tactic shows how battlefield defenses are adapting to the spread of AI-enabled drones.

Show HN: Orbit – AR satellite tracker, watch 15k+ objects

Key Points

• Orbit uses augmented reality on iPhone and iPad to track 15,000+ space objects in real time.
• The app includes AR sky view, 2D/3D maps, overhead rankings, pass predictions, a catalog, a museum, and space event listings.
• Its privacy policy says camera and location processing stay on-device, with chatbot prompts sent to Google only when the optional AI feature is used.

UPI: Anatomy of a Payment Transaction

Key Points

• The article explains the hidden infrastructure behind a UPI payment from scan to confirmation.
• UPI apps are front-end providers that collect payment intent but do not hold funds or see user PINs.
• Sponsor banks enable apps to access the payment network and increasingly provide multi-bank resilience for major platforms.

Show HN: Earth Game – An offline CLI for turning life goals into quests

Key Points

• Earth Game is an offline CLI and local web UI for tracking goals as quests using a local SQLite database.
• The tool uses Python’s standard library only and makes no external network requests.
• It includes commands for quests, loops, daily reviews, and JSON export, with privacy-focused local storage defaults.

Show HN: Reame – a CPU inference server that gets faster as it runs

Key Points

• Reame targets cheap CPU hardware and is built to reduce repeated inference work through caching and drafting.
• It is intended for narrow, repetitive, context-heavy workloads such as document processing, batch pipelines, and private AI features.
• The server combines persistent KV caching, speculative decoding, consensus generation, and OpenAI-compatible APIs for practical deployment.

Ask HN: Why isn't Google indexing information about the AT Protocol?

Key Points

• The author says Google often fails to surface basic AT Protocol information for simple queries.
• A comparison query about public AT Protocol relays returned more relevant results on DuckDuckGo than on Google.
• The post highlights discoverability concerns for a web-native AT Protocol ecosystem creating many new sites.

Biff.graph: structure your Clojure codebase as a queryable graph

Key Points

• biff.graph unifies database and derived application data into one queryable graph for Clojure apps.
• It is designed as a smaller, simpler alternative to Pathom, with tradeoffs around query-planning efficiency.
• The article demonstrates resolver-based composition, optional attributes, joins, and derived data queries in a practical example.

The Chinese Voice Actor Forced to Prove He's Human

Key Points

• Shen Anyu says AI voice clones of his speech have become so widespread that platforms sometimes flag his real recordings as fake.
• He and his wife are documenting copied clips, filing complaints, and considering legal action while facing difficulties tracing creators or getting content removed.
• The article presents Shen’s case as part of a broader problem affecting performers in China’s short-video, audiobook, and ultrashort-drama industries.

Show HN: Ant – A JavaScript Runtime and Ecosystem

Key Points

• Ant is a custom-built JavaScript runtime with a 9 MB portable binary and npm package compatibility.
• It uses a hand-built engine called Ant Silver and supports direct TypeScript execution and fetch-based server apps.
• The platform includes a VM-isolated sandbox and an npm-protocol-compatible registry called ants.land.

ZeroFS vs. Amazon S3 Files

Key Points

• S3 Files preserves one-file, one-object mapping in S3, while ZeroFS uses an internal packed and encrypted object layout.
• S3 Files offers eventual S3 visibility after asynchronous export; ZeroFS never exposes mounted files through the S3 API.
• The two systems differ in protocols, caching behavior, supported object stores, and cost model.

Taiwan's Lost 8-Bit Computer [video]

Key Points

• The Bit 79 is presented as a 1989 Taiwan-linked 8-bit computer, not just a console clone.
• It reportedly used a 6502 CPU, 8K RAM, and BASIC in ROM, giving it home-computer features.
• The article connects the machine to broader industry history involving Nintendo, Apple, and semiconductor manufacturing.

I used to love Claude, but the latest models are slowly ruining it

Key Points

• The author says Claude was previously her preferred chatbot for long-form conversations because of its memory and context handling.
• She reports that Claude has recently become more likely to misread intent and refuse prompts it interprets as controversial or harmful.
• A fictional story prompt involving religion is presented as an example of Claude refusing assistance despite repeated clarification that the request was for fiction.

Billions of Sketches Reveal Hidden Cultural Variation in Human Concepts

Key Points

• The article analyzes 2.6 billion sketches from 236 countries and territories to study concept representation visually.
• It finds that concepts often have multiple visual exemplars, with especially strong variation in haptic and embodied domains.
• Sketch-based measures preserve more cultural structure than text-based measures and align 45% better with established cultural distances.

Stop Telling Me to Ask an LLM

Key Points

• The author repeatedly received "ask Claude" as a response when seeking experience-based answers.
• The article says those questions had already been tested against a large language model first.
• Its core distinction is between searchable information and tacit knowledge derived from lived professional experience.

RISCBoy is an open-source portable games console, designed from scratch

Key Points

• RISCBoy is a scratch-built, open-source handheld console based on a RISC-V-compatible CPU and custom graphics hardware.
• The system is implemented in Verilog 2005 for the iCE40-HX8k FPGA, with an RV32I option for smaller FPGA targets.
• The article includes build, verification, simulation, and PCB details for developers who want to test or reproduce the project.

Mesh LLM: distributed AI computing on iroh

Key Points

• Mesh LLM turns multiple machines into a single OpenAI-compatible inference endpoint.
• It supports local inference, peer routing, and split-model execution across nodes with Skippy.
• The system uses iroh and QUIC-based protocols for decentralized, authenticated connectivity without a central server.

Weightlifting beats running for blood sugar control, researchers find

Key Points

• A Virginia Tech mouse study directly compared running and resistance exercise in a high-fat-diet model.
• Both exercise types improved blood sugar control, but resistance training produced stronger effects on fat reduction and insulin resistance.
• Researchers developed a novel mouse weightlifting system that may help uncover mechanisms relevant to Type 2 diabetes therapies.

Optimization Solver as a Service

Key Points

• Quicopt lets users solve optimization models built in OR-Tools MathOpt or Pyomo through a single Python client call.
• The free tier is designed for easy evaluation, with automatic first-use API key setup and no license or signup process.
• The API supports multiple optimization classes, but the evaluation service comes with limits, no guarantees, and a warning not to send sensitive data.

Doctors die. It's not like the rest of us, but it should be (2016)

Key Points

• A physician with pancreatic cancer chose no aggressive treatment and died at home after focusing on family and comfort.
• The article says doctors often seek less intensive end-of-life care because they understand the limits and burdens of treatment.
• Murray describes CPR and ICU-based “futile care” as common examples of interventions many clinicians would refuse for themselves.

Odyssey Linux

Key Points

• Odyssey Linux is introduced as “unix for human beings.”
• The distribution is described as Void-based and rolling release.
• The article highlights no systemd, no telemetry, and a human-curated approach.

How to Achieve Pruning When Querying by Non-Partitioned Columns in PostgreSQL

Key Points

• The article explores how PostgreSQL pruning may work beyond direct partition-key filtering.
• It demonstrates the concept with a timestamp-partitioned event table and yearly partitions.
• The walkthrough is structured to cover optimizer behavior, indexing, constraints, and advanced partition-pruning techniques.

The fine print that follows you out the door: non-compete clauses are spreading

Key Points

• OECD survey data indicates non-compete clauses are widespread across 15 countries and extend beyond senior or sensitive roles.
• Many clauses are broad in scope, often uncompensated, and may still deter workers even when legal enforceability is uncertain.
• The article links higher non-compete coverage with lower job mobility, slower wage growth, reduced entrepreneurship, and weaker productivity.

Show HN: Sqlsure – deterministic semantic checks for AI-generated SQL

Key Points

• Sqlsure checks SQL semantics deterministically before execution and targets silent logic errors that databases and linters may miss.
• The article reports benchmark results on Spider and BIRD: 2,568 expert-written queries, 45 flags, and zero false alarms.
• Rulebooks come from dbt metadata, PK/FK declarations, or database introspection, and the tool can run in CI, agent, or library workflows.

A dock that wakes up reliably

Key Points

• The article reports years of unreliable wake-from-dock behavior across Thunderbolt setups.
• Upgrading from a CalDigit TS3 to a TS4 did not fully solve the issue despite Thunderbolt 4's stated wake requirement.
• Replacing an older BenQ monitor with an ASUS ROG Swift PG27UCDM coincided with fully reliable wake behavior.

Firefox 12.58% for Desktop Browser Market Share in North America June 2026

Key Points

• Firefox is listed at 12.58% desktop browser market share in North America for June 2026.
• The page supports filtering by platform, including desktop, mobile, tablet, and all platforms.
• The statistics can be explored by region and year, with both continental and country-level views available.

A public ledger of cloud outages and the SLA credits they trigger

Key Points

• The service monitors vendor status pages and records downtime by service each month.
• It maps outages to SLA credit thresholds and shows eligible credits.
• It also provides the deadline for filing a credit claim and currently shows no open incidents.

Long Covid May Physically Damage the Nerves That Control the Stomach

Key Points

• A case-control study found reduced gastric mucosal cholinergic innervation in Long COVID patients versus controls.
• Researchers used gastric biopsies with PGP 9.5 and VIP staining to quantify nerve fiber density in fundus and antrum tissue.
• The authors conclude that this structural autonomic impairment may underlie dysautonomia in Long COVID.

I Did Not Kill Stanley Lieber: How to Draw (With 9front)

Key Points

• The article is a structured guide to drawing on 9front using paint(1) and related image tools.
• It explains that 9front drawing can be done on any compatible computer, with pen-enabled two-in-one devices highlighted as effective hardware.
• The workflow described includes setup, drawing tools, image operations, conversion, and export from the 9front system.

Martha Lillard, last US polio patient using iron lung, dies at 78 in Oklahoma

Key Points

• Martha Lillard, the last U.S. polio patient reported to be using an iron lung, died in Oklahoma at 78.
• Her life reflected decades of adaptation to severe paralysis, including remote schooling, independent living, and reliance on specialized equipment.
• The article links her story to the historical success of U.S. polio vaccination efforts and the long-term effects of post-polio illness.

A pure scheme web programming tool

Key Points

• Goeteia compiles Scheme to WebAssembly, including live compilation in the browser.
• The compiler is self-hosted and checks for byte-identical self-rebuild output.
• The tool includes native Wasm GC integration, advanced Scheme language features, and a reactive web programming stack.

Wealthy AI workers send San Francisco house prices soaring

Key Points

• San Francisco home prices hit a record $1.76 million median in May 2026, outpacing national trends.
• The article links the surge largely to AI wealth from companies such as OpenAI and Anthropic.
• Large employee share sales and potential future IPOs are presented as factors that could keep housing demand elevated.

We Know Simple Fluids Can Flow. Turns Out, Some Can Fracture

Key Points

• A Drexel-led experiment found that a nonelastic simple hydrocarbon fluid fractured during stretching tests.
• Repeated experiments and high-speed imaging indicated the failure was a brittle fracture.
• The finding challenges the idea that elasticity is required for liquids to fracture and points back to earlier theory on universal liquid fracture.

What xAI's Grok Build CLI Actually Sends to xAI

Key Points

• The article says Grok Build CLI sent read file contents, including a `.env` canary secret, to xAI endpoints without redaction.
• It claims the CLI uploaded whole repositories and git history via `/v1/storage`, including files the agent was instructed not to open.
• The reported storage destination was a Google Cloud Storage bucket named `grok-code-session-traces`, with uploads enabled by default in the author’s tests.

The Energetic Costs of Cellular Computation (2012)

Key Points

• The article models ligand sensing by cells as a form of computation with explicit energetic cost.
• It finds that learning external concentrations requires breaking detailed balance and consuming energy.
• It suggests energetic constraints may shape cellular network design in resource-poor biological systems.

Jellyfish Undersea Roundabout

Key Points

• Eysturoyartunnil is an 11.2 km Faroe Islands subsea tunnel network with an undersea roundabout that opened in December 2020.
• The project cuts travel times substantially, including reducing some trips to 15 minutes and halving travel time between Tórshavn and Klaksvik.
• The tunnel combines engineering and art, featuring a decorated central pillar, steel sculpture, automated tolling, and specialized drainage systems.

A Erlang style pure Scheme Webserver and further

Key Points

• Igropyr is a Chez Scheme web server built around Erlang-style supervision and fault tolerance.
• The server supports hot-swapping handlers and routes without restarting the listener or dropping active connections.
• It can return structured fault messages like `crash` and `stuck` while keeping connections open for retries.

Show HN: Quantum-Qec / Matrix-Free Quantum Homeostatic Engine(Blueprint)

Key Points

• Quantum-Mesh-QEC v2 is presented as a low-latency quantum error-correction architecture for superconducting qubit grids.
• The article says it avoids centralized decoding bottlenecks by shifting real-time mitigation into FPGA/ASIC hardware.
• Version 2.0 introduces lattice surgery, ancilla syndrome extraction, and zero-copy C++/pybind11-to-JAX integration.

Fixed three bugs that made Qwen3.5-122B a daily driver on Mac Studio

Key Points

• The author switched from DS4 Flash to Qwen 3.5 122B because long-context follow-ups were too slow on the prior setup.
• Qwen 3.5 122B was chosen for its local offline operation, MoE active-parameter profile, and fit with the M3 Ultra’s bandwidth and memory limits.
• The article says cache limitations tied to hybrid attention and SSM layers caused repeated full prompt reprocessing, leading to multi-minute delays.

An agent in 100 lines of Lisp

Key Points

• The article connects Lisp’s historical role in symbolic AI to modern AI agent design.
• It argues that an agent loop is fundamentally a simple recursive process built around messages, model calls, and tool execution.
• A short Common Lisp example is used to show how an agent can be implemented with minimal code and state.

Why are US consumers so angry? It's not just high prices

Key Points

• The article cites survey data showing widespread product and service problems among Americans in 2025, with many respondents reporting rage.
• It links consumer anger to structural factors including consolidation, reduced oversight, cost-cutting and AI-based customer service.
• A thinktank estimate says US households lose $165 billion a year to the time, fees and frustration of the annoyance economy.

Small Inventors Are Being Squeezed by a Convoluted Patent Process

Key Points

• The USPTO proposed limiting repeated PTAB challenges against the same patent when related court litigation is also underway.
• The agency says duplicative challenges are common, citing that about 54% of PTAB petitions have been one of multiple petitions against the same patent.
• If finalized, the rule would require petitioners to avoid concurrent challenges in other forums and could significantly reshape PTAB practice.

Why Write Code in 2026

Key Points

• The article says engineers now build the infrastructure and safeguards that make AI coding agents effective.
• It argues that writing code still helps humans understand architecture, fragility, and algorithmic detail more directly than prompting alone.
• It describes coding agents as closer to newly onboarded interns than compilers, requiring constraints and active human judgment.

Under federal rule, colleges must leave grads better off or lose financial aid

Key Points

• The new federal rule ties college program eligibility for student loans to graduates' earnings outcomes.
• Programs can fail if they miss the earnings threshold in two of three consecutive years, with enforcement beginning after earnings calculations in 2027 and aid impacts possible in 2028-2029.
• Department estimates suggest most programs will pass, but more than 800,000 students are in programs likely to fail, especially in certificate, associate, and some arts-related fields.

EF Core 11 makes your split queries faster

Key Points

• EF Core 11 removes unnecessary reference-navigation joins from split child collection queries.
• Older EF Core versions could carry redundant JOIN and ORDER BY work into collection queries when using `AsSplitQuery`.
• The benchmark compares EF 10/.NET 10 with EF 11/.NET 11 and warns that improvements may not come solely from EF Core.

Text Art Tools

Key Points

• The article is a directory of text-art editors organized by tool name, link, tags, description, recommendation, and platform.
• It spans many text-art formats, including ANSI, ASCII, Unicode, PETSCII, Shift_JIS, and custom-font workflows.
• The list mixes recommended editors with experimental and in-development tools across desktop, web, and mobile platforms.