France Boots Windows, Bets Big On Linux!

20 Years on AWS and Never Not My Job

Key Points

• Early AWS lacked response signing, posing risks when HTTP was common; Percival advocated end-to-end integrity.
• EC2 initially had no bring-your-own-kernel support; later changes enabled FreeBSD via internal AKI publishing.
• Percival’s recommendation preceded disclosure of two Xen vulnerabilities by Tavis Ormandy in 2007.

Great at gaming? US air traffic control wants you to apply

Key Points

• FAA targets gamers for air traffic control roles, citing relevant skills and $155,000 after three years.
• Staffing remains short of the 14,663 goal; departures are expected to increase through 2028.
• Union supports gamer-focused outreach if professional standards are maintained.

Productive Procrastination

Key Points

• The author coins “productive procrastination” for being productive on lower-priority work.
• Psychological framing: amygdala-driven avoidance vs. prefrontal planning.
• Novelty boosts motivation; older tasks (e.g., South Island footage) are more prone to delay.

Flashback to a time when government reports were works of art

Key Points

• Northwestern’s Transportation Library is digitizing and sharing historic government report covers on Bluesky.
• The covers showcase sophisticated design that narrates transportation issues from the mid-20th century.
• Dedicated transportation libraries are now rare; Northwestern’s remains a comprehensive, public resource.

Volunteers turn a fan's recordings of 10K concerts into an online treasure trove

Key Points

• Over 10,000 live recordings are being digitized and published on the Internet Archive.
• Focus spans indie/punk from the 1980s–2000s with notable early performances.
• The effort intensified post-2023 documentary, with volunteers handling digitization and mastering.

The Seasons Are Wrong

Key Points

• Proposes moving season starts to midpoints between equinoxes and solstices.
• Lists specific new season start dates for the Northern Hemisphere.
• Notes Europe, Iran, and ancient Rome traditionally place the solstice mid-summer.

Optimal Strategy for Connect 4

Key Points

• WeakC4 guarantees first-player victory from the start without runtime search.
• The solution is compact (~150 KB) and fully visualizable in real time.
• Weak and strong solutions are contrasted, highlighting size and interpretability trade-offs.

Moooooonitoring the Cow.txt Herd

Key Points

• The page lists cow.txt URLs with “last seen” timestamps and “new!” markers.
• It links to an RFC for cow.txt and offers a submission form to add entries.
• The directory includes a mix of personal and organizational domains across various TLDs.

France's government is ditching Windows for Linux, says US tech a strategic risk

Key Points

• France will transition government workstations from Windows to Linux as part of a move away from non‑EU proprietary tech.
• Ministries must draft transition plans by fall; a rollout timeline has not been announced.
• EU‑origin open‑source options such as openSUSE and LibreOffice are identified as potential solutions.

Show HN: Pardonned.com – A searchable database of US Pardons

Key Points

• Searchable database of U.S. pardons built from DOJ-sourced data
• Tech stack: Playwright (scraping), SQLite (database), Astro 6 (static site)
• Open-source code available on GitHub for transparency and collaboration

BlueHammer abuses Windows Defender's update process to gain SYSTEM access

Key Points

• Public zero-day exploit (BlueHammer) targets Windows Defender’s update process; code released on GitHub without a patch or CVE.
• Chains VSS, Cloud Files API, oplocks, and Defender components to read snapshot hives and escalate privileges.
• Works on fully updated Windows 10/11 (to SYSTEM) and yields admin privileges on Windows Server; requires a pending Defender update.

Artemis II is competency porn

Key Points

• Four-astronaut lunar flyby reportedly set a new distance-from-Earth record.
• Christina Koch and Victor Glover achieved representation firsts near the Moon and beyond LEO.
• Crew conduct and reflections are portrayed as restoring public confidence and evoking awe.

How Passive Radar Works

Key Points

• Passive radar detects targets using ambient broadcasts without transmitting.
• Bistatic geometry leads to TDOA-based elliptical delay surfaces.
• Comparing direct and reflected signals yields target speed (Doppler) and path length difference (delay).

A New Way to Spray Paint Color

Key Points

• Sequential PWM-controlled pulses mix base paints in-line without a dedicated mixing chamber.
• Custom rotary pinch valve enables fast, clog-resistant control of paint flow.
• Design parameters include ~250 ms max pulse duration and ~1 mm tube diameter.

’Abhorrent’: the inside story of the Polymarket gamblers betting millions on war

Key Points

• Large bets rely on ISW maps to settle conflict-related markets.
• Polymarket’s volumes have surged from hundreds of millions to daily peaks.
• Calls for regulation rise amid manipulation and insider-bet concerns.

How to breathe in fewer microplastics in your home

Key Points

• Indoor microplastics often come from synthetic textiles and accumulate in dust.
• Inhalation may exceed ingestion as a dominant exposure route.
• Studies show much higher indoor concentrations and substantial annual inhalation estimates.

Show HN: Hormuz Havoc, a satirical game that got overrun by AI bots in 24 hours

Key Points

• Satirical game with a 30-week structure and defined metrics (oil price cap, approval threshold).
• Global leaderboard distinguishes “HUMAN” and “AI-ASSISTED” entries.
• Top score shown is 74,330, with a full top-10 list displayed.

Cirrus Labs to join OpenAI shut down Circus CI on Monday, June 1, 2026

Key Points

• Cirrus Labs will join OpenAI; Cirrus CI shuts down June 1, 2026.
• Tart, Vetu, and Orchard are being relicensed more permissively with fees removed.
• Cirrus Runners closes to new customers; existing contracts will be honored.

Bitcoin miners are losing $19,000 on every BTC produced as difficulty drops 7.8%

Key Points

• Estimated BTC production cost ~$88,000 vs. ~$69,200 spot price
• Difficulty -7.76% to 133.79T; hashrate ~920 EH/s; block times 12:36
• Miners diversify into AI/HPC; further difficulty decline projected in early April

How Much Linear Memory Access Is Enough?

Key Points

• ~1 MB blocks generally reach near-peak performance for raw data processing.
• 128 kB and 4 kB blocks can suffice as compute intensity increases (≥1 and ≥10 cycles/byte, respectively).
• Methodology controls cache effects via randomization and cache-flushing; results and code are open-source.

South Korea introduces universal basic mobile data access

Key Points

• Unlimited 400 kbps mobile data after caps will cover over seven million users.
• Carriers to add sub-₩20,000 5G plans, expand senior benefits, and upgrade transit Wi‑Fi.
• Government urges network investment for AI and backs related research.

Cooperative Vectors Introduction

Key Points

• Cooperative Vector (VK_NV_cooperative_vector) enables vector–matrix ops that handle per-pixel divergent weights.
• Cooperative Matrix supports tiled matrix–matrix ops but is ill-suited to divergent per-material networks.
• The team expanded from HLSL-based inference to runtime training for NRC amid fragmented vendor acceleration paths.

The Problem That Built an Industry

Key Points

• SABRE’s 1964 launch catalyzed airline reservation automation after a 1959 IBM–American Airlines partnership.
• Most airline GDS platforms converged on IBM’s TPF runtime for high-throughput, low-latency transactions.
• TPF’s design (no processes/threads, fixed per-transaction memory, synchronous DASD I/O) underpins decades of reliable performance.

Borges' cartographers and the tacit skill of reading LM output

Key Points

• LMs are analyzed using Borges’ metaphor and Baudrillard’s stages of representation.
• Averaged, coherent LM answers can obscure unresolved debates and reduce source-checking.
• Personalized, prompt-dependent LM outputs heighten the need to maintain engagement with primary sources.

The Future of Everything Is Lies, I Guess: Annoyances

Key Points

• Companies will increasingly route customer service through LLMs and voice models, making human agents harder to reach.
• LLM limitations and security risks will restrict their authority, hindering resolution of complex issues.
• LLMs will expand into broader decision-making tasks and “agentic commerce,” potentially fostering dark patterns.

Surelock: Deadlock-Free Mutexes for Rust

Key Points

• Surelock enforces deadlock-free mutex acquisition at compile time in Rust.
• Two mechanisms—LockSet and Level<N>—eliminate circular wait via deterministic and ordered locking.
• The library is pre-release, safe-by-API, and no_std compatible with no required runtime dependencies.

Advanced Mac Substitute is an API-level reimplementation of 1980s-era Mac OS

Key Points

• API-level reimplementation of classic Mac OS runs 68K apps without Apple ROM/system software.
• Portable backend and SDL2/custom frontends enable macOS, X11, Linux framebuffer, and VNC support.
• Supports 1-bit graphics and classic Mac UI primitives; source code available on GitHub.

Can It Resolve Doom? Game Engine in 2k DNS Records

Key Points

• DNS TXT records can store Base64-encoded file chunks with metadata for reassembly.
• A lossless proof-of-concept succeeded with a JPEG; large files are impractical due to scale.
• Work is underway to run a C# DOOM port entirely from DNS-loaded memory on Windows.

Rockstar Games Hacked, Hackers Threaten a Massive Data Leak If Not Paid Ransom

Key Points

• Rockstar confirms a limited third‑party breach with no player impact.
• ShinyHunters sets an April 14, 2026 ransom deadline after claiming access via Anodot to Snowflake data.
• Data likely involves corporate documents, not player credentials, according to reports.

Small models also found the vulnerabilities that Mythos found

Key Points

• Small, low-cost open-weights models reproduced much of Mythos’s showcased analyses, including a FreeBSD exploit.
• AI cybersecurity capability is jagged; no single model dominates across tasks.
• AISLE emphasizes a model-agnostic, modular pipeline focused on maintainer-accepted patches.

Phone Trips

Key Points

• All recordings are now MP3 for browser streaming and download.
• Highlights and links to Evan Doorbell’s narrated telephony recordings, with latest on YouTube.
• Covers historic switch/network topics (panel, step, crossbar, DDD, ANI, NX1) from 1960s–1980s.

Keeping a Postgres Queue Healthy

Key Points

• Maintain short-lived transactions to avoid hindering Postgres vacuum.
• Use FOR UPDATE SKIP LOCKED and a partial index to efficiently and safely fetch jobs.
• Store flexible payloads with JSONB and delete completed jobs before commit.

The disturbing white paper Red Hat is trying to erase from the internet

Key Points

• Red Hat’s 2024 white paper on Device Edge and military targeting was published then removed; archives remain accessible.
• The paper describes using Device Edge and AI/ML to support F2T2EA, accelerate sensor-to-shooter timelines, and share sensor fusion data.
• Examples include AI-based automated target recognition and UAS-based edge servers transmitting targeting data.

Mexican surveillance company Grupo Seguritech watches the U.S. border

Key Points

• Grupo Seguritech’s Plataforma Centinela powers Chihuahua’s AI-driven surveillance network.
• The system aided high-profile arrests and earned a World Police Summit award.
• Deployment extends to the U.S.-Mexico border with an agreement signed in April 2022.

How to build a `Git diff` driver

Key Points

• Git passes seven arguments to external diff drivers, including paths, SHA-1s, and modes.
• Use /dev/null and '.' handling for new and deleted files in external diff logic.
• External diff drivers enable richer output than textconv for complex formats like OpenAPI.

The APL Programming Language Source Code (2012)

Key Points

• Computer History Museum released APL System/360 “XM6” source code under a non-commercial license.
• IBM’s APL\360 delivered an interactive, timeshared environment written in 360 assembly.
• APL originated from Iverson’s mathematical notation focused on array processing.

How We Broke Top AI Agent Benchmarks: And What Comes Next

Key Points

• Near‑perfect benchmark scores were achieved via harness exploits, not task solutions.
• Multiple real-world cases show benchmark scores can be gamed or invalidated.
• Hardening evaluation pipelines is necessary to resist reward hacking and leakage.

Layoff Thinking

Key Points

• American culture often centers identity on occupation, intensifying layoff impact.
• Layoffs can feel like a blow to one’s sense of self, not just loss of income.
• Coping advice: rebuild identity around non-work interests and allow time to grieve.

Show HN: Editing 2000 photos made me build a macOS bulk photo editor

Key Points

• Processes up to 500 images locally on macOS with batch edits and watermarking.
• Includes AI features (OCR, QR/barcode, face detection/blur) and robust metadata/renaming tools.
• Exports to nine formats; free and paid tiers define access and limits.

One neat trick to end extreme poverty

Key Points

• About $318bn/year (≈0.3% of global GDP) could reduce extreme poverty to 1% at the $2.15/day line.
• Poverty reduction since the 1990s was driven largely by growth in China, with contributions from India and Indonesia.
• Poverty is now concentrated in sub-Saharan Africa, particularly in DRC, Ethiopia, and Nigeria.

What Is a Property?

Key Points

• Properties may involve preconditions and can return Maybe-like results to skip invalid cases.
• Naive random generation often produces invalid test cases in realistic domains like databases.
• Dependent generators build valid-by-construction inputs, improving PBT effectiveness.

Dark Castle

Key Points

• Mini vMac-based package includes Dark Castle and Beyond Dark Castle (System 6, Mac Plus ROM).
• Return to Dark Castle is excluded; released in 2008 by Z Sculpt after a long delay.
• Historical and gameplay context emphasizes Dark Castle’s pioneering status and evolving Mac compatibility.

TB/cm² at zero retention energy – atomic-scale memory on fluorographane

Key Points

• Binary storage encoded by fluorine orientation in fluorographane (CF) with high stability barriers.
• Projected densities: 447 TB/cm² and 0.4–9 ZB/cm³ (nanotape).
• Tiered read/write plan from scanning-probe to mid-IR arrays, targeting 25 PB/s.

Apple Silicon and Virtual Machines: Beating the 2 VM Limit

Key Points

• The two‑VM limit for macOS guests on Apple Silicon is enforced in XNU, not userspace.
• A kernel variable (hv_apple_isa_vm_quota) controls VM quotas; dev kernels allow overrides via boot-args.
• Release kernels gate overrides with an AppleInternal SIP check, maintaining the limit for non-Apple users.

Pijul a FOSS distributed version control system

Key Points

• Patch-based DVCS emphasizing commutation and clean histories.
• Strong merge correctness with first-class conflict resolution.
• Supports partial clones and hosts its repository on Nest.

New synthesis of astronomical measurements shows Hubble tension is real

Key Points

• Local H0 measured at 73.50 ± 0.81 km/s/Mpc (~1% precision).
• Multiple distance methods cross-validated; single-method error unlikely.
• Result reinforces the Hubble tension with CMB-based predictions.

Metrics SQL: A SQL-based semantic layer for humans and agents

Key Points

• Rill proposes a SQL-first semantic layer for metrics to avoid custom query languages.
• Metrics are defined as aggregate measures within dimensions to ensure consistent, governed results.
• The design targets deterministic answers, unified security, and performance optimizations via SQL.

The Life and Death of the Book Review

Key Points

• Amazon’s dominance and user reviews have eclipsed traditional book criticism.
• Traditional review sections have contracted, with WaPo’s book section eliminated.
• The New York Times’ best-of lists skew toward major publishers like Penguin Random House.

The Soul of an Old Machine

Key Points

• A two-decade-old HP Compaq nx6310 enabled early Ubuntu and Gentoo use.
• An iPod 5th gen was modernized with SD storage and Rockbox firmware.
• A known Intel Celeron J1900 LPC issue prompted a motherboard-level fix.

AI Job Loss Tracker

Key Points

• Tracks first-time AI-linked layoffs globally starting Jan 1, 2025
• Uses EXPLICIT, BLAMED, MIXED tags to classify AI attribution
• Reports jobs lost, running total, and workforce percentage per company

How Complex is my Code?

Key Points

• Complexity includes both machine resources and human cognitive effort.
• Insertion sort (O(n²)) and counting sort (O(n)+O(k)) illustrate performance/readability trade-offs.
• Counting sort’s constraints limit its applicability despite favorable asymptotics.

Midnight Captain – A midnight commander inspired file manager

Key Points

• Dual-pane, Vim-keybinding file manager with fuzzy search and command palette.
• Remote SFTP via :ssh and fast navigation with :goto and :find.
• Easy install via curl from GitHub Releases or local build with Go 1.22+.

Building Slogbox

Key Points

• Fixed-size ring buffer retains last N Go slog records with bounded memory and low allocations.
• Stores raw slog.Record values to defer formatting and enable flexible reads and filtering.
• Snapshot logic handles wraparound efficiently; benchmarks show ~150 ns/op with one allocation.

The End of Eleventy

Key Points

• Kickstarter for Build Awesome (Eleventy rebrand) met its goal, then was cancelled and will be rescheduled due to email issues.
• Eleventy, created by Zach Leatherman, evolves into Build Awesome under Font Awesome’s stewardship.
• The article reviews SSG history and Eleventy’s features, adoption, and positioning in the web development ecosystem.

Americans still opt for print books over digital or audio versions

Key Points

• Print books remain the only format used by a majority of U.S. adults.
• Digital formats (e-books and audiobooks) grew since 2011 but have plateaued since 2021.
• Book club participation is low (7%), with women participating more than men.

In Production

Key Points

• Absurd matured in production with multiple reliability-focused releases.
• New APIs and task result retrieval expand workflow patterns and debugging.
• absurdctl and Habitat enhance operational visibility and control.

We spoke to the man making viral Lego-style AI videos for Iran

Key Points

• Explosive Media admits Iran’s regime is a customer for its viral AI Lego-style videos.
• Experts say the AI-generated propaganda is sophisticated and widely viewed.
• U.S. officials dispute a key video claim, stating a downed pilot was rescued on 4 April.

Software Preservation Group: C++ History Collection

Key Points

• Includes Cpre (1979–1980) and early Stroustrup papers documenting C++’s origins.
• Provides Cfront Release E (Feb 1985) source with permissions for historical research.
• Covers broader materials: standardization docs, GNU g++ releases, and C++ libraries/applications.

Anthropic loses appeals court bid to pause supply chain risk label

Key Points

• Appeals court denies stay but expedites the case.
• Court says government’s AI procurement needs outweigh Anthropic’s harms during conflict.
• Dispute arose after Anthropic restricted Pentagon uses of its Claude AI model.

Building a Z-Machine in the worst possible language – Whitebeard's Realm

Key Points

• Elm-based Z-machine emulator runs Z-code v3 and passes the Czech compliance test.
• Elm’s persistent arrays (RRB trie) enable efficient immutable memory updates.
• Step-based API supports browser-friendly interactive fiction applications.

Used Graphify to turn incidents into a queryable knowledge graph

Key Points

• Connects to Rootly API to build a queryable knowledge graph of incidents, alerts, and teams.
• Produces interactive graph.html, GRAPH_REPORT.md, and graph.json for exploration and querying.
• Optional deep semantic analysis via Claude Code or Codex identifies themes and root causes.

Simplest Hash Functions

Key Points

• Minimal hashes can be viable for non-adversarial inputs but are risky under attack (e.g., collision-based DoS).
• A simple additive hash with a rotate step offers low-cost hashing with better order sensitivity.
• Good hash table behavior requires low collisions and robustness to bit-dropping during bucket indexing.

US appeals court declares 158-year-old home distilling ban unconstitutional

Key Points

• Appeals court finds the federal home distilling ban unconstitutional.
• Ruling upholds a July 2024 district court decision in Texas.
• Government agencies offered no comment; plaintiffs’ lawyers praised the outcome.

Method to reverse cellular ageing is about to be tested in humans

Key Points

• First human trial of partial reprogramming, derived from mouse retinal studies, is expected to start this year.
• The method transiently activates Yamanaka factors to rejuvenate cells while preserving identity, offering potential for age-related diseases.
• Significant risks include loss of cellular identity and cancer; prior milestones and Japan’s iPS therapy approvals frame the field’s progress.

The Brainrot Industrial Complex

Key Points

• Defines “brainrot” and argues an engineered attention-capture ecosystem drives it.
• Asserts today’s distraction differs by scale, intensity, and intent, degrading clear thinking.
• Recommends personal strategies: awareness, pausing, noticing triggers, and intentional consumption.

US – Iran negotiations end with no deal reached

Key Points

• 21 hours of U.S.–Iran talks in Pakistan ended with no deal.
• JD Vance said Iran declined to accept American terms.
• Uncertainty remains about post–cease-fire developments.

Tofolli gates are all you need

Key Points

• Landauer’s principle bounds energy for bit erasure, but reversible computation has no such limit.
• Toffoli gates are reversible and can implement NAND, proving reversible universality.
• Reversible circuits can offer practical energy savings despite being far from the Landauer limit.