NASA Blasts Us Back To The Moon!

Digitizing photos from the 1998 Game Boy Camera

Key Points

• Open-source Arduino emulator replaces the Game Boy Printer to digitize images.
• Printer protocol commands and packet structure are documented for emulation.
• Thermal paper limitations (fading, scarcity) motivate a digital workflow.

Butterfly-collecting: The history of an insult (2017)

Key Points

• The earliest printed Rutherford-related phrasing referred to “stamp-collecting,” not butterflies.
• Edmund Leach’s 1961 critique carried the metaphor into anthropology, shaping its later use in linguistics.
• Chomsky’s 1979 remark and a 1971 fragment show the metaphor’s role in challenging classification-focused linguistics.

Mad Bugs: Vim vs. Emacs vs. Claude

Key Points

• Vim RCE fixed; upgrade recommended to v9.2.0272.
• Emacs RCE reported; maintainers declined to address, citing Git.
• Launch of “MAD Bugs,” a month-long series of AI-found vulnerability disclosures.

Show HN: CLI to order groceries via reverse-engineered REWE API (Haskell)

Key Points

• Haskell CLI for programmatic REWE pickup orders with JSON output and agent-focused design.
• macOS binary available; source build requires GHC, Cabal, and REWE mTLS client certificates.
• Unofficial project using reverse-engineered REWE APIs; functionality may break as APIs change.

CERN levels up with new superconducting karts

Key Points

• CERN describes superconducting, levitating karts for LHC tunnel transit during LS3.
• Early tests and an underground race are planned to refine designs and ensure safety.
• CERN’s Knowledge Transfer Group is exploring aerospace applications with startup Quantum Mushroom.

Remembering Magnetic Memories and the Apollo AGC

Key Points

• NASA adopted digital control with human oversight for Apollo missions, implemented via the AGC.
• The AGC used ROM for programs and erasable RAM for data, accessed through the DSKY interface.
• Magnetic memory innovation peaked mid-century before giving way to semiconductor memory in the 1970s.

Joel Meyerowitz on Photographing Giorgio Morandi's Studio

Key Points

• Second edition adds 130+ photos to the 2016 book, published by Damiani Books.
• Photographs document objects and patina in Giorgio Morandi’s Bologna studio (Casa Morandi).
• Access included non-public rooms, arranged by Meyerowitz and Barrett while living in Tuscany.

In Case of Emergency, Make Burrito Bison 3

Key Points

• Launcha Libre launched in November 2016 on web, iOS, and Android.
• Financial recovery after Toto Temple Deluxe’s poor sales drove the decision.
• They adapted Burrito Bison for free-to-play mobile and report early success.

Claude Wrote a Full FreeBSD Remote Kernel RCE with Root Shell (CVE-2026-4747)

Key Points

• Unchecked credential length in svc_rpc_gss_validate() causes a stack buffer overflow in RPCSEC_GSS.
• Remote exploitation via NFS (port 2049) can yield kernel RCE and root shell.
• FreeBSD 14.4-RELEASE-p1 patches the bug with a credential-length bounds check.

Intuiting Pratt Parsing

Key Points

• ASTs enforce operator precedence and associativity via bottom‑up evaluation.
• Monotonic precedence yields predictable tree shapes: left‑leaning for decreasing, right‑leaning for increasing.
• On a precedence direction change, start the left‑leaning subtree at the first operator of equal or lower precedence.

What the Claude Code Leak Means for Regulated Industries

Key Points

• Anthropic’s Claude Code CLI source was unintentionally exposed via a large source map in an npm package due to a packaging misconfiguration.
• Technical analysis of the leak revealed anti-distillation defenses, Zig-based client attestation, and an unreleased KAIROS autonomous agent mode.
• A leaked internal-only Undercover Mode strips Anthropic internals and AI attribution in public repos but is not present in customer builds, shaping its compliance impact.

Wasmer (YC S19) Is Hiring – Rust and DevRel Positions

Key Points

• Wasmer is hiring for Rust and Developer Relations roles.
• Core stack: Rust, WebAssembly, and LLVM; low-level languages (C/C++/Zig) are relevant.
• Focus: server-side WebAssembly for next-gen cloud computing, independent of JavaScript.

I Quit. The Clankers Won

Key Points

• Keep blogging to maintain human voices and professional credibility.
• Writing publicly aids memory, reasoning, and invites corrective feedback.
• The article alleges AI ecosystems rely on surveillance, licensing workarounds, and hype; cites a post announcing the end of “Sora.”

6o6 v1.1: Faster 6502-on-6502 virtualization for a C64/Apple II Apple-1 emulator

Key Points

• Performance-focused v1.1 adds fast zero-page stores, addressing mode tweaks, and interrupt flag control.
• Harness-mediated memory enables paging and synthetic address spaces; examples include geoRAM-backed guests.
• xa65 macro inlining drives speedups by eliminating subroutine overhead in memory access.

A Mysterious Numbers Station Is Broadcasting Through the Iran War

Key Points

• Priyom traced the likely transmitter to a US military site in Böblingen, Germany.
• Broadcast airs twice daily (02:00 and 18:00 UTC), initially on 7910 kHz, later moving to 7842 kHz after jamming.
• Experts classify it as a numbers station used for encrypted intelligence messaging.

Show HN: Sycamore – next gen Rust UI library powered by fine-grained reactivity

Key Points

• Sycamore is a Rust web UI library using fine-grained reactivity.
• Example shows a declarative Counter component with reactive state and event handling.
• The project is community-driven and welcomes contributions via a contribution guide.

Consider the Greenland Shark (2020)

Key Points

• Radiocarbon analysis of eye lens crystallines dated a 16-foot Greenland shark to 272–512 years old.
• Greenland sharks have extremely slow metabolism and movement, feeding by hunting and scavenging.
• Fresh flesh is toxic but becomes edible after prolonged fermentation and drying (hákarl).

CEO of largest public hospital says he's ready to replace radiologists with AI

Key Points

• NYC Health + Hospitals’ CEO plans AI first reads pending regulatory changes.
• Westchester’s CEO reports low false negatives and superior AI performance.
• Radiologists criticized AI-only reads; regulatory changes in New York are pivotal.

Is BGP Safe Yet? No. Test Your ISP

Key Points

• BGP remains insecure; RPKI is the recommended solution.
• Multiple major networks now enforce RPKI Origin Validation and drop invalid routes.
• The site tracks adoption and provides a test to verify an ISP’s filtering.

Show HN: Baton – A desktop app for developing with AI agents

Key Points

• CLI-native desktop app for developing with AI agents
• Runs any agent in real terminal sessions
• Focus on full feature support over limited wrappers

New Patches Allow Building Linux IPv6-Only, Option to Deprecate "Legacy" IPv4

Key Points

• New CONFIG_LEGACY_IP option to toggle IPv4 support in kernel builds
• Warnings on IPv4 socket use and tentative deprecation labeling
• Goal to separate CONFIG_INET from IPv4/IPv6 options for single-protocol builds

Age verification now required for DNS resolution

Key Points

• Age verification is required before DNS zone changes are committed.
• Palantir provides selfie-based KYC, completing in under 90 seconds.
• Unverified domains will return NXDOMAIN; verification persists until DNS changes or TTL expiry.

AI has suddenly become more useful to open-source developers

Key Points

• AI-generated reports for open source have recently become more accurate and useful.
• Single-maintainer risk is widespread, even among highly downloaded npm packages.
• AI tools like ATLAS already aid legacy code modernization.

Ada and Spark on ARM Cortex-M – A Tutorial with Arduino and Nucleo Examples

Key Points

• Ada/SPARK tutorial targets ARM Cortex‑M with Arduino and Nucleo examples.
• Includes downloadable code (ada-on-cortex.zip) and a “Very Simple Scheduler.”
• Book chapters cover linking/booting, FSMs, interrupts, and Ada–C/C++ integration.

OnlyOffice kills Nextcloud partnership for forking its project without approval

Key Points

• ONLYOFFICE suspended its partnership with Nextcloud over alleged AGPLv3 violations tied to the Euro-Office fork.
• Euro-Office, launched by Nextcloud, IONOS, and others, aims to be a sovereign alternative to Microsoft Office.
• ONLYOFFICE says existing partners and clients will not be affected by the suspension.

Apple Removes iPhone Vibe Coding App from App Store

Key Points

• Apple removed the Anything app for violating App Store Guideline 2.5.2.
• Earlier, Apple blocked Replit and Vibecode and sought changes for compliance.
• Xcode added AI-assisted coding features using Claude and Codex.

The Document Foundation ejects its core developers

Key Points

• Article alleges TDF ejected all Collabora staff/partners from membership.
• Claims multiple governance, legal, and process irregularities at TDF.
• Collabora reaffirms commitment to LibreOffice and invites contributors.

Iran war sparks renewables boom as Europeans rush to buy solar, heat pumps, EVs

Key Points

• Energy price spikes linked to Middle East conflict are driving Europe’s shift to renewables and EVs.
• UK and German firms report sharp increases in solar, heat pump, and EV-related demand.
• Used-car platforms show rising EV uptake across several EU countries, with Norway’s EVs overtaking diesel.

Tom Scott is back on YouTube [video]

Key Points

• Tom Scott is returning to YouTube after two years.
• Episode 1 is available now on Nebula, coming to YouTube next week.
• He promotes his podcast, secondary channel, and newsletter for ongoing updates.

We Built It with Slide Rules. Then We Forgot How

Key Points

• Early U.S. space efforts included an Air Force program predating NASA’s 1958 formation from NACA.
• Attitude control was central to reconnaissance satellites’ imaging capability.
• Commercial constellations like Motorola’s Iridium (1997) reflected the diffusion of once‑classified satellite technologies.

EmDash: A spiritual successor to WordPress and plugin security

Key Points

• EmDash introduces sandboxed plugins via Cloudflare Dynamic Workers for improved security.
• The CMS is TypeScript-based, powered by Astro, and aims for WordPress compatibility without reusing its code.
• Open-source under MIT, EmDash v0.1.0 is available on GitHub and deployable to Cloudflare or Node.js.

Marc Andreessen's Dangerously Unexamined Life

Key Points

• Andreessen said he practices “zero” introspection and called it a Freudian fad.
• Historical references (Delphi, Socrates, Marcus Aurelius, Sun Tzu) are used to refute that claim.
• Animal cognition examples support the view that introspection has evolutionary roots and practical benefits.

Randomness on Apple Platforms (2024)

Key Points

• Apple’s manuals deprecate rand/random/rand48 in favor of arc4random(3).
• arc4random is cryptographic, fast, reseeded from the kernel RNG, and safe in chroot and across forks.
• Apple’s libc implementation of arc4random uses ccrng() to access system randomness.

StepFun 3.5 Flash is #1 cost-effective model for OpenClaw tasks (300 battles)

Key Points

• Step 3.5 Flash is ranked #1 in cost-effectiveness on OpenClaw Arena, with a strong lead based on nearly 100 battles.
• The leaderboard balances model performance with cost, using scores with confidence intervals and rank spreads to show uncertainty.
• Rankings are computed from relative battle outcomes via a grouped Plackett–Luce model with bootstrap confidence intervals.

Ask HN: Who is hiring? (April 2026)

Key Points

• Remote US/Canada full‑stack engineering roles with $150K–$250K salaries and equity
• Tech stack: Ruby, React, TypeScript; backend flexibility for Python or Node.js
• Enterprise customers include Google, Stripe, Anthropic, Meta, NBCUniversal, and Notion

Ask HN: Who wants to be hired? (April 2026)

Key Points

• 10+ years across cybersecurity, backend, ML, and scientific computing
• Team lead at Arctic Wolf, managed developers and biannual releases
• Portfolio includes Bitcoin contributions and HPC/ML projects

Show HN: Real-time dashboard for Claude Code agent teams

Key Points

• Real-time dashboard for Claude Code agents with full event capture via hooks
• Simple plugin installation with Docker-based server and Node.js hooks
• Architecture uses SQLite, WebSocket, and React for live, filterable observability

The Finest Swiss Quality Quaternions

Key Points

• Offers an identity quaternion and a 100-pack of random unit quaternions claimed to be uniformly sampled on S3 via Haar measure on SU(2).
• Promotes quaternions over Euler angles to avoid gimbal lock for applications like 3D rotations and spacecraft attitude control.
• Provides ordering and payment details, including Bitcoin and PostFinance acceptance.

What Is Copilot Exactly?

Key Points

• Multiple distinct products share the Copilot name (GitHub Copilot, Copilot for Microsoft 365, Microsoft Copilot, Windows Copilot, Copilot Chat).
• Copilot for Microsoft 365 integrates with emails, documents, and OneDrive within Microsoft 365 apps.
• Windows Copilot features may require Copilot+ PC hardware, and access paths (e.g., Teams vs. web) can affect availability.

Playing Wolfenstein 3D with one hand in 2026

Key Points

• Wolfenstein 3D’s 90-degree geometry limits level variety and contributes to a blocky feel.
• Lack of an in-game map complicates navigation and extends level completion times.
• Combat emphasizes offense due to hitscan enemies and limited cover.

NASA Artemis II moon mission live launch broadcast

Key Points

• First crewed mission of NASA’s Artemis program, launching from Kennedy Space Center.
• Four-astronaut crew will complete a ~10-day lunar flyby.
• Mission tests Orion’s life support systems to enable future crewed Artemis missions.

AI for American-Produced Cement and Concrete

Key Points

• Meta launched BOxCrete, an AI model for concrete mix design, aligned with the 2026 ACI Spring Convention.
• Foundational data for award-winning mixes and an open-source sustainable concrete model are available (on GitHub).
• U.S. cement import reliance (about 20–25%) frames the push to integrate more domestically produced materials.

Show HN: Zerobox – Sandbox any command with file and network restrictions

Key Points

• Deny-by-default sandbox controlling files, network, and environment.
• Proxy-based domain filtering with secure secret substitution.
• Single-binary tool for macOS/Linux; TypeScript SDK and CLI provided.

A new way to measure poverty shows the US falling behind Europe

Key Points

• US average poverty is 63 minutes per $1, about double Germany, France, and the UK.
• GDP per capita and PPP can show strength even when distribution-sensitive poverty measures worsen.
• Since 1990, US average poverty rose while Europe’s declined; global average poverty fell by ~55%.

AI companies charge you 60% more based on your language, BPE tokens

Key Points

• Token-based billing varies with provider tokenizers, affecting costs for identical text.
• Non‑English languages often incur more tokens per word, increasing relative costs.
• Model prices per million tokens vary widely, with a cited 420× gap among options.

An Introduction to Writing Systems and Unicode

Key Points

• Simplified vs. Traditional Chinese differ in complexity and scope, with distinct regional usage.
• Unicode encodes over 70,000 Han characters and typically assigns separate code points to differing glyphs.
• Japanese writing integrates kanji, hiragana, katakana, and romaji, each serving specific roles.

What IAEA docs say about Iran's nuclear program, before the bombs fell

Key Points

• Iran possessed 440.9 kg of 60% enriched uranium by June 13, 2025, enabling rapid production of weapons-grade material.
• Fordow and Natanz were actively enriching (up to 60%) days before the June 2025 strikes, with detailed centrifuge operations documented.
• IAEA detected 83.7% enriched particles at Fordow in 2023 and found nuclear material at four undeclared sites, with unresolved questions.

Ukrainian Drone Holds Position for 6 Weeks

Key Points

• TW 12.7 UGV held a frontline position for 45 days, replacing an infantry team and delivering suppressive fire.
• Operator training and protected control hubs underpin growing UGV use in offensive, defensive, and sabotage roles.
• Stress tests with long routes, low visibility, and live fire are used to drive manufacturer improvements.

The AI Marketing BS Index

Key Points

• Proposes a scoring rubric to identify hype in AI marketing.
• Lists specific point penalties for common red-flag practices.
• Stresses falsifiability and verifiability as core credibility checks.

TurboQuant KV Compression and SSD Expert Streaming for M5 Pro and IOS

Key Points

• Hybrid TurboQuant achieves ~3.5× KV cache compression with V3 quality at V2 speed.
• SSD Expert Streaming enables large MoE models by streaming experts from NVMe to GPU.
• SwiftLM is a native Swift, OpenAI-compatible server with a companion iOS app for on-device MLX inference.

Show HN: Git bayesect – Bayesian Git bisection for non-deterministic bugs

Key Points

• Bayesian approach finds the commit where failure probability changed, suited for flaky tests.
• Implements expected-entropy minimization and Beta–Bernoulli conjugacy for efficient updates.
• Offers rich CLI: start, observe pass/fail, run automatically, set priors, log/undo, and demo support.

Apple at 50

Key Points

• Apple acknowledges its 50-year milestone.
• The message focuses on enriching users’ lives through tools and experiences.
• The statement is forward-looking and emphasizes a shared future with its community.

You're still signing data structures the wrong way

Key Points

• Secure preprocessing must ensure canonical encoding and domain separation.
• Real systems have suffered from type-confusion attacks due to ambiguous serialization.
• Snowpack embeds 64-bit type IDs in the IDL and enforces them via generated code and type systems.

Artemis II astronauts arrive at launch pad 39B in an astrovan

Key Points

• Artemis II is a 10-day crewed free-return mission around the Moon to test Orion, SLS, and life-support systems before future lunar landings.
• This is the first human mission beyond low Earth orbit since Apollo 17 and may break Apollo 13’s distance-from-Earth record.
• The four-person crew includes Christina Koch, Victor Glover, Jeremy Hansen, and commander Reid Wiseman, each achieving historic milestones.

Windows 95 defenses against installers that overwrite a file with an older one

Key Points

• Windows 95 maintained a hidden SYSBCKUP directory to restore correct system file versions post-install.
• Installers often ignored version checks and downgraded system files, causing instability.
• Blocking overwrites proved disruptive, making post-install cleanup the most effective strategy.

SpaceX confidentially files to go public at $1.75T, reports say

Key Points

• SpaceX has confidentially filed for a U.S. IPO, per Bloomberg and WSJ.
• Reported potential valuation exceeds $1.75 trillion; IPO could come as early as June.
• SpaceX is a key player in launch and satellite communications, with NASA and U.S. government ties.

InspectMind AI (YC W24) Is Hiring

Key Points

• Hiring for a full-time San Francisco role to build the AI Plan Checker ($120K–$220K + equity).
• Strong traction: 100%+ MoM growth, hundreds of paying customers, thousands of projects.
• Tech stack: AWS and Next.js; candidates should use coding agents like Claude Code and Codex.

The revenge of the data scientist

Key Points

• LLMs and foundation-model APIs change workflows but do not replace core data science responsibilities.
• Experimentation, evaluation, debugging, and metric design remain central to AI system quality.
• Predictive modeling’s specialization evolved into the Machine Learning Engineer role, while evaluation-focused work persists for data scientists.

Scientists crack a 20-year nuclear mystery behind the creation of gold

Key Points

• First energy measurements of beta‑delayed two‑neutron emission on an r‑process nucleus
• First observation of a predicted single‑particle neutron state in tin‑133
• Data from CERN’s ISOLDE and a UT‑built neutron detector sharpen models of heavy‑element formation

Software Engineering Is Becoming Civil Engineering

Key Points

• AI tools enable PM-led feature implementation, but only within a platform designed for safety and constraints.
• Platform engineering mirrors civil engineering: define boundaries, choose stack, plan for load, and enforce inspection/observability.
• Automated rollback and semantic observability are central to maintaining reliability during rapid, AI-assisted shipping.

Jax's true calling: Ray-Marching renderers on WebGL

Key Points

• JAX powers a concise (~100 lines) Python ray‑marching renderer using SDFs.
• `jax.vmap` and `jax.grad` enable parallel rendering and compile‑time normals for lighting.
• The code can be exported to run in browsers on WebGL via the TensorFlow.js converter.

Unsubscribe from the Church of Graphs

Key Points

• Author argues Alexander’s data-driven approach underestimates experiential evidence.
• Alexander claims declining crime is real, citing homicide and property crime trends.
• NCVS data is presented as corroboration of falling crime rates.

How-to guide: Commissioning a Sensor Physics R&D Lab

Key Points

• A proper R&D lab requires purpose-built space and robust infrastructure and services.
• Facility zoning and minimum space/infrastructure requirements are defined for lab, workshop, PCB/PCBA, and optional chemistry areas.
• A three-phase procurement plan prioritizes core infrastructure first, then project-driven and specialized equipment.

DRAM pricing is killing the hobbyist SBC market

Key Points

• Raspberry Pi raised prices on LPDDR4-based boards and introduced a 3GB Pi 4 at $83.75.
• The 16GB Pi 5 price increased to $299.99 amid elevated DRAM costs.
• High memory prices are limiting new high-end SBC launches and pushing hobbyists toward older boards and microcontrollers.

Swappa.com for GrapheneOS compatible devices – Stay Away

Key Points

• Three Swappa purchases failed to meet bootloader unlocking needs for GrapheneOS.
• Swappa staff guidance on “factory unlocked Google edition” did not prevent issues.
• Refunds and fees created additional costs despite high-rated sellers.

Fast and Gorgeous Erosion Filter

Key Points

• Per-point evaluation enables fast, GPU-friendly, chunkable execution.
• Gradient-aligned, multi-scale stripes generate realistic branching gullies and ridges.
• Builds on Shadertoy work by Clay John (2018) and Felix Westin (2023).

Show HN: Dull – Instagram Without Reels, YouTube Without Shorts (iOS)

Key Points

• Filters Reels/Shorts and algorithmic feeds while preserving core platform functions
• All controls run on-device: time limits, friction gates, grayscale, usage tracking, and lockable settings
• Available on iOS via the App Store with $3.99/month or $14.99/year plans and a 3-day free trial

Artemis II lifts off: four astronauts begin 10-day lunar mission

Key Points

• Artemis II launched on a 10-day crewed lunar flyby to test Orion systems.
• Historic firsts: first woman and first person of color in cislunar space.
• Spectator turnout along Florida’s Space Coast reached hundreds of thousands.

The Feedback Loop Is All You Need

Key Points

• Scheduled AI coding via Claude Code’s CRON is powerful but risky on mixed codebases.
• “Silent drift” occurs when agent changes pass checks yet violate architectural standards.
• Deterministic enforcement (rules/linters) is needed beyond instruction files to ensure compliance.

A new C++ back end for ocamlc

Key Points

• ocamlc gains a new C++ backend to generate idiomatic C++ from OCaml code.
• Example: compile an OCaml primes program with “ocamlc -incr-c primes.ml” to produce primes.cpp.
• Generated C++ uses templates and constexpr to reflect OCaml structures and logic.

Obfuscation is not security – AI can deobfuscate any minified JavaScript code

Key Points

• The included source map was a packaging error, not a breach, and was quickly pulled.
• Claude Code’s CLI bundle has long been public, minified but not obfuscated, with plaintext strings.
• Community reaction spawned Claw Code, rapid GitHub activity, and ccleaks.com analyses.

Set the Line Before It's Crossed

Key Points

• Define soft, firm, and hard lines with explicit criteria.
• Precommit actions and thresholds to prevent normalization of deviance.
• Use trigger-action style planning to make responses automatic.

Ariane 6 user's manual [pdf]

Key Points

• Manual defines how to assess compatibility and prepare documentation for Ariane 6 missions.
• Arianespace details global contacts and a revision policy with updates via its website.
• Foreword outlines company capabilities, experience, and launch operations from French Guiana.

The Windows equivalents of the most used Linux commands

Key Points

• Shows Windows equivalents for common Linux commands across networking, processes, and file management.
• Highlights piping tcpdump to Wireshark via SSH and notes Windows 10/11’s built-in SSH client.
• Emphasizes that mastering equivalents eases transitioning between Linux and Windows environments.

Quantum computing bombshells that are not April Fools

Key Points

• Caltech’s high‑rate code approach reduces quantum fault‑tolerance overhead.
• Google announced a lower‑overhead Shor’s implementation for 256‑bit ECC via a zero‑knowledge proof.
• Updated estimates suggest earlier vulnerability for Bitcoin signatures, reinforcing the need for post‑quantum migration.

BurgerDisk News

Key Points

• U.S. distribution planned via Joe’s Computer Museum with new, easier‑to‑assemble variants.
• New full‑size SD module and enclosure introduced; open‑source but sold only with complete devices for now.
• Connector sourcing initiative could reduce prices by 15–20€ and stabilize supply.

Trinity Large Thinking

Key Points

• 262,144-token context, priced at $0.25/M input and $0.90/M output tokens.
• Reasoning-enabled via OpenRouter API with access to reasoning_details.
• OpenRouter offers provider routing, pricing/performance dashboards, and usage/uptime metrics.

Escaping the Ogallala Trap

Key Points

• Technologies can overwhelm common-pool resources; Ogallala Aquifer depletion is a central case study.
• Autonomous vehicles may remove current deterrents to driving on largely unpriced roads, increasing demand and congestion risk.
• AVs promise safety and capacity gains (e.g., platooning), with active deployments and near-term expansions in U.S. cities.

Solar Balconies Take Europe by Storm

Key Points

• Germany now allows 800 W feed-in for balcony solar with a 2000 Wp panel cap.
• Plug-in inverters with anti-islanding enable safe, DIY installation.
• Oversizing panels and adding batteries improves energy use within regulatory limits.

Weather.com/Retro

Key Points

• Severe thunderstorms possible tonight with damaging winds, large hail, and potential tornado.
• Sunny trend returns from Friday through Sunday after morning clouds clear Thursday.
• Current conditions and sun/moon data provided for precise daily planning.

The Claude Code Leak

Key Points

• Product success can outweigh code quality when backed by strong observability and self-healing systems.
• Anthropic reportedly issued DMCA takedowns on GitHub, mistakenly including forks of its own claude-code repo.
• Community rewrites in Python and Rust emerged after the reported leak; competition from OpenAI and Google is noted.

Steam on Linux Use Skyrocketed Above 5% in March

Key Points

• Steam on Linux hit 5.33% in March 2026, an all-time high.
• Part of the spike is linked to Steam China metric corrections and language share shifts.
• About 25% of Linux gamers use SteamOS; AMD CPUs approach 70% among Linux users.

What Gödel Discovered (2020)

Key Points

• Historical unification in science motivates the search for mathematical foundations.
• Frege’s set-theoretic construction aimed to derive arithmetic from sets.
• Russell’s paradox undermined Frege’s system and triggered a foundational crisis.

Show HN: Semantic atlas of 188 constitutions in 3D (30k articles, embeddings)

Key Points

• 3D map arranges legal passages by semantic similarity, independent of country.
• Dual search modes: keyword (exact match) and semantic (concept-level) with 3D highlights.
• Coverage and Entropy metrics, plus Global Cluster ID and Probability, support deeper analysis.

Your sign-up form is a weapon

Key Points

• Attackers used subscription bombing to flood victims’ inboxes via Suga’s sign-up and reset flows.
• PostHog analytics and Resend logs helped identify unusual patterns and confirm email deliveries.
• Bots operated at low volume with human-mimicking timing and global distribution to evade detection.

Salomi, a research repo on extreme low-bit transformer quantization

Key Points

• Strict 1.00 bpp binary quantization fails for GPT-2–class models under rigorous evaluation.
• Practical results cluster around ~1.2–1.35 bpp using Hessian-guided VQ, mixed precision, or magnitude-recovery.
• Curated docs and tests supersede earlier, optimistic draft claims; repository is Apache-2.0 licensed and publicly curated.

Reverse Engineering Crazy Taxi, Part 2

Key Points

• Targets reversing the .shp format for Crazy Taxi’s 3D models.
• Uses cube0.shp as a baseline reference for decoding.
• Employs Wavefront .obj as a conceptual guide to 3D data representation.

Show HN: NASA Artemis II Mission Timeline Tracker

Key Points

• Live tracker visualizes Artemis II FD01–FD10 schedule.
• Anchors Mission zero (00/0) at 6:35 PM ET on April 1, 2026.
• Based on NASA’s Artemis II Overview Timeline.

Email obfuscation: What works in 2026?

Key Points

• External SVG (via object) and CSS display:none each blocked 100% of 318 harvesters.
• HTML entities (95%) and HTML comments (98%) work against many basic scrapers but are inherently weak.
• JS concatenation and ROT18 reached 100% but expose risks (source visibility, easy reversal).