AI Backfires, Arctic Tensions, And Shopper Shock!

Show HN: AWS-doctor – A terminal-based AWS health check and cost optimizer in Go

Key Points

• Open-source Go-based CLI offering AWS cost and waste diagnostics.
• Compares identical time windows across months and visualizes six-month cost trends.
• Scans for common idle resources (EBS, EC2, Elastic IPs, Load Balancers, RDS, etc.) to reduce waste.

Experiments with Kafka's head-of-line blocking (2023)

Key Points

• Kafka’s partitioned consumer model can cause HoL blocking in job-queue scenarios.
• Beanstalkd/RabbitMQ dispatch jobs to available consumers, reducing HoL delays.
• Experiment measures end-to-end completion time across both systems using watchers.

Show HN: Pdfwithlove – PDF tools that run 100% locally (no uploads, no back end)

Key Points

• Runs entirely in browser memory with no uploads or backend.
• Emphasizes absolute privacy: files never leave the device.
• Positions itself as a free, professional alternative to cloud PDF tools like iLovePDF.

Show HN: Intent Layer: A context engineering skill for AI agents

Key Points

• Intent Layer adds AGENTS.md-based context to codebases for AI agents.
• Works with multiple agents, including Claude Code and Copilot.
• Demonstrated reduction in tokens and faster bug resolution after adoption.

A decentralized peer-to-peer messaging application that operates over Bluetooth

Key Points

• Operates via Bluetooth mesh, no internet or servers required.
• Cross-platform apps available for iOS/macOS and Android with full protocol compatibility.
• Open-source code on GitHub; released into the public domain.

Gladys West's vital contributions to GPS technology

Key Points

• Her satellite geodesy models were incorporated into GPS.
• She managed Seasat radar altimetry work and reduced processing time by half.
• Her 1986 NSWC Geosat report improved geoid and vertical deflection accuracy.

Anthropic disabled my account after payment cancer patient/medical data trapped

Key Points

• User alleges charge and immediate account disabling on Jan 16, 2025, for $106.60.
• Requests account restoration or a full export of Claude chat history containing medical records.
• Reports multiple appeals and regulatory complaints with only automated responses received.

MTOTP: Wouldn't it be nice if you were the 2FA device?

Key Points

• Human-computable OTP with deterministic steps and explicit planned authentication time.
• Algorithm details: time vector, S-box derivation, mod-10 combination, substitution, diffusion, folding, final digit.
• Tooling and integrations: demo, testing tool, PAM plugin; Keycloak plugin planned.

Self Sanitizing Door Handle

Key Points

• Photocatalytic TiO2 coating activated by UV LED provides self-disinfection.
• Motion-powered generator supplies electricity for the UV light.
• Design improvements include switching to aluminum and optimizing energy conversion.

Radboud University selects Fairphone as standard smartphone for employees

Key Points

• Fairphone becomes the standard employee smartphone at Radboud University from 1 February 2026.
• ILS will issue devices, with used Samsung phones reissued where available; existing iPhones can continue but won’t be reissued.
• Fairphone’s 5-year warranty and up to 8 years software support align with the university’s circularity strategy and cost-efficiency goals.

The Jolla Phone Proved We've Been Using Smartphones Wrong All Along

Key Points

• Physical privacy switch disconnects mic, camera, and Bluetooth.
• Runs Sailfish OS 5, a Linux-based smartphone OS.
• Crowdfunded in Dec 2025; shipping planned for mid-2026.

Fluid Gears Rotate Without Teeth

Key Points

• Fluid flows transmit rotation between rotors, enabling non-contact gear-like coupling.
• Rotation direction depends on rotor separation and active-rotor speed (gear-like counter-rotation vs. pulley-like co-rotation).
• Published in Physical Review Letters, indicating peer-reviewed validation of the approach.

Last year I eliminated our PTO policy. I called it "unlimited."

Key Points

• Unlimited PTO eliminated a reported $4.7M accrued PTO liability across 2,300 employees.
• Average time off fell from 17 to 11 days after adopting unlimited PTO.
• Job applications reportedly increased 23% after highlighting unlimited PTO in postings.

US believes its power matters more than international law, UN chief

Key Points

• Guterres says the US prioritises power over international law and dismisses multilateral solutions.
• He calls the UN Security Council ineffective and urges reform and limits on veto powers.
• He highlights Gaza, noting Israeli restrictions on UN aid and alternative delivery arrangements.

Wikipedia: WikiProject AI Cleanup

Key Points

• Community project to identify and fix AI-generated content, not to ban AI use.
• Editors should tag, verify, and, if necessary, delete wholly AI-generated pages (WP:G15).
• Examples illustrate fabricated/irrelevant citations and a detected hoax article later removed.

RISC-V is coming along quite speedily: Milk-V Titan Mini-ITX 8-core board

Key Points

• Milk-V Titan Mini-ITX RISC-V motherboard kit is available to order.
• Integrated Ultra-RISC UR-DP1000 processor powers the board.
• Supports M.2, DDR4, and PCIe for mainstream component compatibility.

Nepal's Mountainside Teahouses Elevate the Experience for Trekkers

Key Points

• Mera Peak is Nepal’s highest trekking peak and contrasts with Everest’s technical climbing.
• Teahouses are vital shelters and social hubs offering food, warmth, and rest.
• Solukhumbu hosted around 56,000 tourists from October 2023 to September 2024 amid harsh conditions.

Greenpeace pilot brings heat pumps and solar to Ukrainian community

Key Points

• Renovated 60-apartment building in Trostianets now fully heated by heat pumps and solar.
• System includes five ~2,000-litre thermal storage tanks and a hot water heat exchanger; €218,000 investment.
• Supports Trostianets’s Masterplan for Green Reconstruction; funded by Green Planet Energy customers and Greenpeace Environmental Foundation, with expert support.

Show HN: Kacet – a freelancer marketplace with crypto-native payments

Key Points

• Trustless payments via smart contracts on Solana with escrow until approval.
• Flat 5% platform fee with no tiers or hidden mark-ups.
• Focused on blockchain developers, auditors, web3 teams, and crypto-native freelancers.

Two Concepts of Intelligence

Key Points

• The debate hinges on two distinct notions of intelligence, according to Meyer.
• A French parliamentary hearing highlighted claims that AI lacks true understanding.
• Meyer compares human and LLM performance to challenge the ‘only appears to understand’ critique.

40% of Kids Can't Read and Teachers Are Quitting [video]

Key Points

• Claim that 40% of fourth graders cannot read.
• Students’ motivation to learn reading reportedly affected by AI.
• Teachers managing social media-related attention and behavior issues.

Nuclear elements detected in West Philippine Sea

Key Points

• Elevated iodine-129 detected in the West Philippine Sea versus other Philippine sites.
• Likely source traced to the Yellow Sea, consistent with Chinese studies on historical releases.
• Current levels pose no health or environmental risk; call for stronger cross-border monitoring.

Amazon is ending all inventory commingling as of March 31, 2026

Key Points

• Amazon ends inventory commingling on March 31, 2026.
• Same-SKU mixing across sellers will stop to reduce counterfeit risk.
• Customers should receive items from the specific seller they selected.

Article by article, how Big Tech shaped the EU's roll-back of digital rights

Key Points

• Commission’s “Digital Omnibus” proposes changes to GDPR/ePrivacy and AI rules.
• Lobbying influence cited; industry spend rose to €151 million from €113 million since 2023.
• Critics say redefining pseudonymised data as non-personal could weaken GDPR protections.

Vm0

Key Points

• Automates natural language workflows in secure, remote sandboxes with isolated containers.
• Supports 60+ integrations and offers persistence and observability for workflow runs.
• Quick start via @vm0/cli with npm, supporting Claude Code and Codex now, more tools coming.

Ask HN: COBOL devs, how are AI coding affecting your work?

Key Points

• Compliance blocks sending code to external AI services.
• VDI constraints hinder running heavy local AI models.
• AI struggles with COBOL formatting, increasing linting and fix time.

Fire Shuts GTA 6 Developer Rockstar North, Following Report of Explosion

Key Points

• Rockstar confirms a heating boiler malfunction with no injuries and the studio remains open.
• Firefighters secured structural damage; crews left the scene at 9:21am.
• The Edinburgh office is central to GTA and Red Dead development; GTA 6 remains slated for November 19.

Folding NASA Experience into an Origamist's Toolkit

Key Points

• Lang applied nonlinear constrained optimization to origami crease design.
• He developed TreeMaker in the mid-1990s to design complex origami figures.
• His JPL work on optoelectronic components and optical computing informed his origami methods.

Sweden deploys fighter jets to Iceland

Key Points

• Sweden deploys aircraft to Iceland for two months under NATO’s incident preparedness.
• The mission supports air defense in the Arctic region and was planned long in advance.
• Officials are not disclosing the number of aircraft involved.

Robust Conditional 3D Shape Generation from Casual Captures

Key Points

• Generative, multi-view, object-centric 3D reconstruction producing metric scenes.
• New in-the-wild dataset with complete per-object 3D annotations (178 objects, 7 scenes).
• Complementary to SAM 3D; can be combined to merge metric accuracy with textures and priors.

Nvidia Contacted Anna's Archive to Access Books

Key Points

• Amended lawsuit alleges NVIDIA sought and received high-speed access to Anna’s Archive’s pirated books.
• Plaintiffs cite internal NVIDIA documents indicating competitive pressure and internal approval.
• NVIDIA previously defended training practices as fair use amid Books3 dataset allegations.

Luxury Yacht is a desktop app for managing Kubernetes clusters

Key Points

• Cross-platform installers for macOS, Linux, and Windows with amd64/arm64 support.
• Linux dependency on WebKit2GTK 4.1; Ubuntu 22.04 apt install guidance provided.
• Development uses Wails and Mage with Go and Node; includes hot-reload dev mode and defined release workflow.

West Midlands police chief quits over AI hallucination

Key Points

• Chief Constable Craig Guildford resigned on January 16 amid AI misuse scrutiny.
• Police relied on Microsoft Copilot’s fabricated report to help ban Maccabi Tel Aviv fans.
• Guildford corrected testimony, admitting AI use after initially denying it.

GLM-4.7-Flash

Key Points

• GLM-4.7-Flash offers strong 30B-class performance with API access and local deployment.
• Benchmarks compare GLM-4.7-Flash to Qwen3-30B and GPT-OSS-20B across multiple tasks.
• Local inference requires vLLM/SGLang main branches with specific install and server configs.

"Anyone else out there vibe circuit-building?"

Key Points

• Ben Eater’s prompt on X asks, “Anyone else out there vibe circuit-building?”
• The post shows 971.5K views and a “Read 476 replies” indicator.
• The page identifies X Corp. as the platform owner and includes standard login/policy links.

Kiel Institute Analysis: US Americans pay 96% of tariff burden

Key Points

• About 96% of tariff costs were passed through to U.S. import prices; exporters absorbed ~4%.
• U.S. customs revenue rose by approximately $200 billion in 2025.
• Event studies on Brazil and India show stable export prices but collapsing trade volumes.

Iterative image reconstruction using random cubic bézier strokes

Key Points

• Iterative reconstruction with random cubic Bézier strokes, accelerated via Metal.
• Detailed CLI options for performance, output, and convergence control.
• Algorithm uses OKLab color space with strict error-reducing stroke acceptance.

CSS Web Components for marketing sites

Key Points

• Shadow DOM-based web components are criticized for unnecessary JavaScript in marketing components.
• HTML Web Components enable progressive enhancement with minimal JS and SSR-compatible markup.
• CSS Web Components are introduced to implement components using CSS only, improving performance.

Show HN: Pipenet – A Modern Alternative to Localtunnel

Key Points

• Single-package client/server tool to expose local services or self-host tunnels
• Supports HTTP/HTTPS, WebSocket, SSE, and HTTP streaming
• Programmatic APIs and lifecycle hooks for automation and monitoring

The Microstructure of Wealth Transfer in Prediction Markets

Key Points

• Large-scale dataset (72.1M trades; $18.26B) reveals longshot bias and YES/NO asymmetry.
• Makers capture an “Optimism Tax” from takers’ preference for YES bets, especially at longshot prices.
• Inefficiency is category-dependent: high in Sports/Entertainment, low in Finance.

Are You YES AI or No AI?

Key Points

• Binary poll prompts a choice between “YES AI” and “No AI.”
• Encourages immediate participation with “VOTE NOW.”
• Provides no context, definitions, or poll methodology.

Apple testing new App Store design that blurs the line between ads and results

Key Points

• Apple is testing removal of the blue background from App Store sponsored results on iPhone.
• Only a small “Ad” badge distinguishes sponsored listings in the test layout.
• The change aligns with Apple’s plan to show multiple sponsored results per search query.

I set all 376 Vim options and I'm still a fool

Key Points

• Configured all 376 Vim options after studying each setting.
• Integrated external commands via :help filter and :help write_c to process text in-editor.
• Explored :w write behavior and backups; learned the utility of the command-line window via cedit.

Project Cybersyn

Key Points

• Four-module system: Cybernet, Cyberstride, CHECO, and Opsroom.
• Data-driven monitoring and simulation via a central mainframe in Santiago.
• Terminated after the 1973 coup; infrastructure abandoned and Opsroom destroyed.

Cows Can Use Sophisticated Tools

Key Points

• Cow uses broom as a tool in 10 randomized trials, showing consistent, purposeful behavior.
• Classified as egocentric tool use; notable outside primates among mammals.
• Findings suggest cows’ cognitive abilities may be underestimated due to observational gaps.

Raccoons break into liquor stores, scale skyscrapers and pick locks

Key Points

• Viral Ashland, VA incident spotlights raccoon intelligence and public fascination.
• Labs favor rodents over raccoons due to containment and practicality, not superior cognition.
• Research indicates raccoons may use mental imagery, aligning their capacities closer to primates.

What it's like to be banned from the US for fighting online hate

Key Points

• US officials used X to announce travel bans against EU digital safety advocates, including HateAid’s directors.
• Those named—Ballon, von Hodenberg, Breton, Ahmed, and Melford—reject censorship accusations and stress online safety goals.
• HateAid responded promptly with a statement refuting the claims and continues its advocacy work.

What came first: the CNAME or the A record?

Key Points

• CNAME-last ordering introduced by a memory optimization caused DNS resolution failures.
• Resolvers use per-record TTLs; merge logic must preserve expected record order.
• Rapid rollback ended impact within hours after incident declaration.

Bypassing Gemma and Qwen safety with raw strings

Key Points

• Omitting chat-template formatting can bypass safety in small chat LLMs.
• Hosted API runs may appear safe while local raw prompts produce unsafe outputs.
• Automated judging (Qwen3Guard-Gen-4B) confirms the effect across multiple models.

Bootstrapping Bun

Key Points

• Bun’s build process depended on prebuilt Bun binaries; alternatives were introduced to remove that assumption.
• npm and CMake were used to replace Bun’s package manager role and orchestrate dependencies.
• Bun-specific TypeScript APIs were swapped for Node modules, with complex functionality handled via a third-party package.

Conditions in the Intel 8087 floating-point chip's microcode

Key Points

• The 8087 uses 49 types of conditional tests within its microcode to implement complex math functions.
• Its microcode ROM contains 1648 16‑bit micro‑instructions, orchestrated by a microcode engine with an 11‑bit address.
• Die analysis reveals a datapath, constant ROM (e.g., π), and eight stack‑arranged floating‑point registers.

A Brief History of Ralph

Key Points

• Jan 1, 2026 deep dive compares Ralph’s bash-loop and Anthropic stop-hook implementations.
• June 19, 2025 meetup showcases Ralph, cursed lang (Rust), and a Claude approvals workflow.
• August 2025 experiments highlight spec quality, while-loop automation, and practical lessons.

There Is No Comfortable Reading Position

Key Points

• Reading discomfort, not just digital distractions, impedes the author’s goals.
• Common postures have distinct ergonomic drawbacks, prompting constant adjustment.
• Readers use supports and customized positioning to manage discomfort, with varied results.

US Places Arctic Airborne Troops on Standby as Greenland Dispute Escalates

Key Points

• Pentagon alerts 1,500 11th Airborne Division soldiers for possible deployment to Minneapolis.
• Officials cite Insurrection Act and roles in supporting immigration enforcement and protecting federal facilities.
• Tensions over Greenland and allied readiness coincide; Pentagon denies overseas linkage.

Sending Data over Offline Finding Networks

Key Points

• Demonstrates secure, unidirectional data transmission via Find My/Find Hub.
• Explains Apple’s BLE beacon format and ECC-based rolling key mechanism.
• Details server-side querying: up to 256 keys per HTTPS request, 20 reports per key.

Letter from a Birmingham Jail [King, Jr.] (1963)

Key Points

• King’s letter explains SCLC’s invited role and organizational ties to Birmingham.
• He articulates the four steps of nonviolent campaigns and says they were followed.
• He documents pervasive injustice in Birmingham and failed negotiations with city leaders.

Nonviolence

Key Points

• King’s nonviolence fused Christian love with Gandhian methods.
• Six core principles define King’s approach to nonviolent resistance.
• Montgomery bus boycott was the practical proving ground for King’s philosophy.

Notes on Apple's Nano Texture

Key Points

• Nano‑Texture glass reduces glare, enabling comfortable outdoor and bright‑indoor use.
• Transflective grayscale LCDs are sunlight‑readable without backlight, conserving battery but limiting color/resolution.
• Nano‑Texture screens need special cleaning and favor light mode for readability outdoors.

Show HN: Subth.ink – write something and see how many others wrote the same

Key Points

• Plaintext is not stored; salted SHA-256 hashes are retained for counting identical submissions.
• An unsalted MD5 is stored and may be published after a threshold, potentially enabling recovery of short popular texts.
• API and CLI provide straightforward programmatic access to submit and retrieve counts and top entries.

Threads edges out X in daily mobile users, new data shows

Key Points

• Threads reached 141.5M daily mobile users vs. X at 125M, per Similarweb.
• X still leads Threads in web usage despite mobile trends.
• Threads’ growth is linked to Meta cross-promotion, creator focus, and rapid feature rollout.

Fix macOS 26 (Tahoe) exaggerated rounded corners

Key Points

• Overlay caps visually square macOS 26+ display corners without altering app window corners.
• Features include adjustable size, color modes, multi‑monitor support, Spaces/fullscreen compatibility, and SIP‑safe operation.
• Build via Xcode with SwiftUI/Swift; requires macOS 13+ (tested on 14–26) and Xcode 15+.

Nearly a third of social media research has undisclosed ties to industry

Key Points

• About 30% of social media studies in top journals may have undisclosed industry ties.
• Incorporating editor and reviewer ties raises industry involvement to 66% of publications.
• Industry-linked papers more often study individual behavior over platform-level impacts.

Mammals have evolved into ant eaters 12 times since the dinosaur age,study finds

Key Points

• At least 12 independent origins of obligate myrmecophagy in mammals.
• Dataset covers 4,099 species; methods include phylogenetic mapping and statistical reconstruction.
• Ant/termite abundance rose dramatically post–K-Pg, influencing mammalian diet evolution.

Show HN: A creative coding library for making art with desktop windows

Key Points

• Minimal Python library for live coding visual scenes via desktop windows
• Install with "pip install window-art" and use wa.run() to orchestrate actions
• Supports window animation, media display (image/video), and text rendering

There's a hidden Android setting that spots fake cell towers

Key Points

• IMSI catchers exploit legacy protocols by mimicking cell towers to intercept data.
• Full Android Mobile Network Security features currently require Pixel 10 hardware.
• Users can enable Network notifications and 2G protection via Android settings.

Understanding C++ Ownership System

Key Points

• Ownership dictates who deallocates returned data, affecting API usage and safety.
• RAII and destructors provide automatic cleanup when scopes end, minimizing leaks.
• Manual new/delete requires careful exception-safe handling, making RAII preferable.

Graphics In Flatland – 2D ray tracing [video]

Key Points

• Raymond is a browser-based 2D ray tracer and optics simulator.
• A live demo is available online, requiring no installation.
• The source code is open-source on GitHub for review and contribution.

Show HN: GitClassic.com, GitHub circa 2015 without JS & AI

Key Points

• Zero JavaScript, server-rendered HTML for fast (~10KB) pages.
• No AI features (e.g., Copilot prompts or AI summaries).
• $40/year Pro plan enables access to private repositories.

Study: Minimal evidence links social media, gaming to teen mental health issues

Key Points

• No causal link found between heavier social media/gaming and increased anxiety or depression.
• Behavioral patterns vary: girls who game more use social media less later; boys with difficulties reduce gaming.
• Quality of online experiences and support matter more than screen time totals.

I was a top 0.01% Cursor user, then switched to Claude Code 2.0

Key Points

• Claude Code 2.0’s improvements, paired with Opus 4.5 and RLHF, drove the author’s switch from Cursor.
• Cursor Composer’s September 2024 release led to ~90% AI-generated code for the author.
• Claude Code suits async, terminal-native workflows; Cursor remains better for pixel-perfect UI and isolated changes.

The coming industrialisation of exploit generation with LLMs

Key Points

• LLM agents generated 40+ exploits for a QuickJS zero-day across six scenarios.
• GPT-5.2 solved all tasks, including a heavily mitigated file-write via glibc exit handlers.
• Most challenges completed in under an hour with 30M tokens; Opus 4.5 cost about $30 per run.

Targeted Bets: An alternative approach to the job hunt

Key Points

• Focus on 5–10 high-fit roles and invest deeper effort per application.
• Use persistent, value-focused outreach to current employees; avoid direct referral requests.
• Apply quickly and follow up to signal genuine interest in competitive situations.

Show HN: An interactive physics simulator with 1000's of balls, in your terminal

Key Points

• High-performance Rust-based terminal physics using Rapier 2D and Braille Unicode.
• Rich interactivity, customizable physics and shapes, with levels saved as JSON.
• Cross-platform installation via GitHub releases or cargo; high-FPS terminal recommended.

Weight Transfer for RL Post-Training in under 2 seconds

Key Points

• 1.3-second RDMA WRITE-based weight transfers for a 1T-parameter model from 256 training to 128 inference GPUs
• Controller-driven static scheduling with DeviceMesh/mesh groups and GLOO barriers
• Pipelined per-parameter tasks with memory watermarking to prevent OOM and maximize overlap

The assistant axis: situating and stabilizing the character of LLMs

Key Points

• Persona space analysis reveals an ‘Assistant Axis’ as the leading behavioral direction.
• Activation capping along the Assistant Axis stabilizes model behavior and reduces harms.
• A Neuronpedia demo visualizes standard vs activation-capped model activations.

Nanolang: A tiny experimental language designed to be targeted by coding LLMs

Key Points

• Transpiles to C, with mandatory per-function shadow tests and unambiguous prefix syntax.
• Tiered platform support: Tier 1 (Ubuntu x86_64/ARM64, macOS Apple Silicon, FreeBSD), Tier 2 (Windows via WSL2), Tier 3 (experimental).
• Features include static typing, generics, immutability by default, C FFI, a module system using module.json, and a growing standard library.

Use Social Media Mindfully

Key Points

• Use Buffer to schedule posts and minimize time on feeds.
• Engage intentionally via DMs and substantive comments rather than chasing metrics.
• Prioritize in-person interactions and use LinkedIn selectively for job networking.

British redcoat's lost memoir reveals harsh realities of life as a disabled vet

Key Points

• A rediscovered 1851 autobiography reveals new details of Shadrach Byfield’s postwar life and struggles.
• The find, made in a Cleveland archive by Dr. Eamonn O’Keeffe, is published in the Journal of British Studies.
• The discovery revises Byfield’s timeline and underscores his cultural and historical significance.

How we made Python's packaging library 3x faster

Key Points

• Packaging 26.0rc1 speeds up Versions (up to 2x) and SpecifierSets (up to 3x), with some operations up to 5x.
• Profiling with Python 3.15 and PyPI-wide metadata guided the optimizations; results validated via asv benchmarks.
• Lazy comparison tuple generation and fixes to past regressions (e.g., NamedTuple overhead) delivered key gains.

Radicle 1.6.0 – Amaryllis

Key Points

• Radicle 1.6.0 (Amaryllis) released; installation via curl provided.
• radicle-node I/O migrated from io-reactor/popol/netservices to mio.
• Migration driven by cross-platform goals and stronger ecosystem support (e.g., tokio).

Reticulum, a secure and anonymous mesh networking stack

Key Points

• Independent networking stack with optional IP tunneling; runs in userland on Python 3.
• Strong security: initiator anonymity, X25519/Ed25519, forward secrecy, AES-256-CBC, HMAC-SHA256.
• Self-configuring multi-hop routing over heterogeneous carriers with reliable, scalable data transfer.

Why Walmart still doesn't support Apple Pay

Key Points

• Walmart blocks all NFC payments in U.S. stores and promotes Walmart Pay and Scan and Go instead.
• Data collection and account-linked transactions are key motivations for Walmart’s approach.
• No extra merchant fees are required to accept Apple Pay; Walmart disables NFC despite having capable terminals.

Is the Constitution Broken

Key Points

• Trump-era executive actions triggered constitutional challenges and public concern.
• Rana critiques state-centered design as undermining majority rule and reform.
• Feldman argues the Constitution endures through pragmatic trade-offs and evolution.

Porsche Sold More Electrified Cars in Europe in 2025 Than Pure Gas-Powered Cars

Key Points

• Electrified share reached 34.4% globally; Europe’s electrified deliveries surpassed combustion at 57.9%.
• Macan led with 84,328 deliveries, over half fully electric; 911 set a new delivery record at 51,583.
• North America remained the largest region; Europe and China saw declines due to supply gaps and market conditions.

Nova Launcher Added Facebook and Google Ads Tracking

Key Points

• Nova Launcher update adds Facebook Ads and Google AdMob SDKs.
• Trackers rose from 2 to 6; permissions from 30 to 36 (per Exodus Privacy).
• Article notes a believed ownership change from Branch to Instabridge Sweden.

Selling SaaS in Japan

Key Points

• Japanese SaaS buyers start with documentation before demos or trials.
• Consensus-based internal approvals extend sales cycles but boost retention.
• Effective GTM in Japan focuses on education, relationships, and localization.

Legal Structures for Latin American Startups (2021)

Key Points

• Choose structures familiar to VCs to ease fundraising and exits.
• Case study: poor structuring led to over $100M in U.S. taxes for a LatAm startup.
• Delaware C Corp may be suitable for U.S.-focused startups or when required by top-tier investors, with 21% double taxation risk.

Scaling long-running autonomous coding

Key Points

• Hundreds of autonomous agents built a browser from scratch, generating 1M+ lines of code.
• FastRender’s repo was updated with build instructions; a macOS build via Rust/Cargo worked.
• The project includes WhatWG and CSS-WG specs via Git submodules to guide development.

Opening the AWS European Sovereign Cloud

Key Points

• General availability of AWS European Sovereign Cloud with first Region in Brandenburg, Germany
• Independent EU-only infrastructure with multiple resilient Availability Zones
• Planned expansion via sovereign Local Zones in Belgium, Netherlands, and Portugal, plus options for Dedicated Local Zones, AI Factories, and Outposts

Go 1.26 Interactive Tour

Key Points

• Go 1.26 adds new(expr), enabling pointer creation from values and composite literals.
• Examples show practical use with optional pointer fields for JSON/Protobuf marshaling.
• The tour lists broader Go 1.26 changes across performance, cryptography, diagnostics, and tooling.

F-16 Falcon Strike, modern combat flight SIM for Atari XL/XE

Key Points

• Version 2.0.2 released on 2026-01-18.
• Runs on unmodified 8-bit Atari XL/XE (64KB RAM).
• Includes 15-mission fictional campaign and procedural WARFARE/GENERATOR modes.

Understanding ZFS Scrubs and Data Integrity

Key Points

• ZFS scrubs verify every allocated block of data and metadata using stored checksums.
• Merkle tree block pointers protect child data and metadata, exposing corruption end-to-end.
• Scrubs repair checksum mismatches using redundancy (e.g., mirrors).

Show HN: Artificial Ivy in the Browser

Key Points

• Interactive sliders control growth/split probabilities, turn angle, age threshold, and signal decay.
• Only youngest cells are active; a percentile-based threshold governs dormancy.
• Signals reduce overlap; higher decay enables faster regrowth but raises overlap risk.

Kahan on the 8087 and designing Intel's floating point (2016) [video]

Key Points

• Kahan designed Intel’s floating-point system, first used in the 8087 coprocessor.
• The design was refined in the 80287 and 80387 x87 coprocessors.
• Floating-point functionality was integrated into the 80486/80486DX CPU.

X algorithm has been open sourced

Key Points

• Combines in-network (Thunder) and out-of-network (Phoenix Retrieval) candidates.
• Ranks with a Grok-based transformer adapted from xAI’s Grok-1, predicting multiple engagement actions.
• Final ranking uses a Weighted Scorer that aggregates predicted probabilities into a single score.

Chatbot Psychosis

Key Points

• The term is not a clinical diagnosis and current evidence is limited.
• Design factors (hallucination, engagement-driven behavior, sycophancy) may exacerbate delusions.
• OpenAI withdrew a GPT-4o update and added clinician-authored safety responses.

3D printing my laptop ergonomic setup

Key Points

• Design partitioned to fit print volume; parts joined with dovetail joints via BOSL2.
• Prototype in PLA now; final planned in PETG for higher heat resistance.
• Bed adhesion issues fixed by washing the print surface; locking mechanism needed for smooth sliders.