AI Cash Floods In, Privacy Lights On Fire!

MIT Technology Review has confirmed that posts on Moltbook were fake

Key Points

• Moltbook’s viral launch showcased rapid growth in AI agent activity.
• OpenClaw enables LLM agents to perform tasks via tool integrations and cloud computing.
• Confirmed human-authored posts highlight authenticity issues in bot-dominated platforms.

Zulip.com Values

Key Points

• Zulip is fully open source with feature parity for self-hosted users.
• Kandra Labs stewards Zulip, growing sustainably without VC, aided by NSF SBIR grants.
• Extensive community investment: 185K-word documentation and 100+ interns since 2016.

Brutalist Southbank Centre Listed

Key Points

• DCMS grants Grade II listing to Southbank Centre venues following Historic England advice.
• Latest bid succeeded after immunity from listing expired in 2023.
• Heritage minister accepted reasons emphasizing geometric forms and exposed concrete craftsmanship.

The original vi is a product of its time (and its time has passed)

Key Points

• Classical vi’s features reflect early Unix hardware limits, notably single-level undo.
• Vim offers core improvements like multi-level undo and split windows; “smart” features can be disabled.
• Modern Unix defaults should favor more capable editors and shells over stock vi and bare Bourne shell.

Qwen-Image-2.0: Professional infographics, exquisite photorealism

Key Points

• Unified model for generation and editing with improved text rendering and faster inference.
• Supports 1k-token typography instructions and native 2K photorealistic output.
• Superior benchmark results on AI Arena for both text-to-image and image-to-image tasks.

Grindr trials premium $500 per month plan to become 'AI-first' app

Key Points

• Grindr is piloting EDGE, an AI-powered subscription priced at $349.99–$499.99 per month.
• EDGE sits above Grindr Unlimited and introduces AI features across the app.
• Trial markets include the US, Canada, Australia and New Zealand.

AI Doesn't Reduce Work–It Intensifies It

Key Points

• AI fostered parallel tasking and revived deferred work, increasing cognitive load.
• Employees felt AI as a partner, but attention switching and checking intensified work.
• HBR urges firms to implement an “AI practice” to prevent burnout and ensure sustainable productivity.

.Beat Swatch Internet Time

Key Points

• .Beat divides the day into 1,000 beats of 86.4 seconds each.
• .Beat time is globally uniform, with no time zones or DST.
• Example conversion: 2025-07-01 22:15 UTC equals @969.28.

Show HN: Total Recall – write-gated memory for Claude Code

Key Points

• Write-gated memory filters save only high-value information.
• Four-tier architecture with daily-log-first capture and user-controlled promotion.
• Plugin or standalone installation with commands for maintenance and correction propagation.

Show HN: Elysia JIT "Compiler", why it's one of the fastest JavaScript framework

Key Points

• Elysia uses a JIT-style compiler to generate per-route optimized handlers.
• “Sucrose” performs static analysis to parse only needed request parts.
• Custom, lightweight parsing replaces general AST tools to minimize overhead.

Australian author's erotic novel is child sex abuse material, judge finds

Key Points

• NSW court convicted the author on child abuse material charges related to an erotic novel.
• Judge found the work sexually objectifies children despite stating the protagonist is 18.
• Sentencing is set for 28 April; the author was stood down by her employer pending investigation.

Rice Theory: Why Eastern Cultures Are More Cooperative

Key Points

• Rice cultivation’s coordination needs correlate with cooperative, interdependent cultural traits.
• Wheat farming’s independence correlates with individualistic, analytical tendencies.
• China’s north–south crop split provided empirical support via regional psychological tests.

Bitchat – decentralized peer-to-peer messaging

Key Points

• Hybrid Bluetooth mesh and Nostr enable offline and online encrypted messaging.
• End‑to‑end encrypted DMs with Bluetooth preference and Nostr fallback.
• Early beta revealed impersonation vulnerability; security review pending.

Simplifying Vulkan One Subsystem at a Time

Key Points

• VK_EXT_descriptor_heap fully replaces the descriptor set subsystem.
• Subsystem replacement via extensions is the new strategy to reduce complexity.
• VK_EXT_descriptor_buffer’s limitations motivated the clean-break design.

RLHF from Scratch

Key Points

• Hands-on RLHF tutorial repo with minimal, readable code and a Jupyter notebook.
• Implements a simple PPO trainer, utilities for rollouts/rewards, and CLI parsing.
• Covers the RLHF pipeline with demos of reward modeling and PPO fine-tuning.

80386 Barrel Shifter

Key Points

• Hybrid two-stage barrel shifter enables single-cycle 0–31-bit shifts.
• Common microcode sequence controls ROL, ROR, SHL, SHR, and SAR.
• 64-bit input/32-bit output design supports shifts, rotates, and double-precision shifts via microcode.

Oxide raises $200M Series C

Key Points

• Oxide raised $200M Series C entirely from existing investors.
• Company claims product-market fit and strong unit economics for a physical product.
• Series C aims to de-risk capital needs and assure long-term independence.

Show HN: I built a macOS tool for network engineers – it's called NetViews

Key Points

• Rebranded from PingStalker to NetViews as a macOS network and Wi‑Fi diagnostic tool.
• Includes scanning, continuous monitoring/logging, deep Wi‑Fi insights, and Cloudflare-powered speed tests.
• Integrates monitor mode and Wireshark for Wi‑Fi sniffing; offers utilities like CIDR subnet calculator and offline OUI MAC lookup.

Vercel's CEO offers to cover expenses of 'Jmail'

Key Points

• Vercel’s CEO offered to cover Jmail’s expenses.
• Jmail is described as the top site for tracking the Epstein files.
• Financial and operational terms of the support are not detailed.

Redefining Go Functions

Key Points

• Go functions can be redirected at runtime by modifying executable memory.
• Function addresses are accessible via reflect and verified with objdump.
• A simple x86 JMP at the function entry can reroute execution to a replacement.

A method and calculator for building foamcore drawer organisers

Key Points

• Panel dimensions must account for foamcore thickness to ensure correct fit.
• A height-strip cutting heuristic streamlines wall panel production.
• A calculator app was created to plan and verify cuts, reducing mistakes.

Disruption with Some GitHub Services

Key Points

• Pull Requests experienced degraded performance with intermittent timeouts.
• Mitigation was deployed and recovery observed before full resolution.
• Incident resolved at 15:58 UTC; root cause analysis to follow.

Lance table format explained simply, stupid (Animated)

Key Points

• Lance optimizes random reads and supports ad-hoc column additions while preserving MVCC.
• Lance tables include index support: B-tree, inverted (FTS), and vector (HNSW).
• The 2025 ecosystem saw Iceberg V3’s VARIANT, Fluss for Flink, and acquisitions by Datadog and Databricks.

I started programming when I was 7. I'm 50 now and the thing I loved has changed

Key Points

• Early computing required hands-on hardware understanding and fostered creative solutions.
• Professionalization introduced high abstraction via Plug and Play and Windows, changing the craft’s visibility.
• Core system skills remain transferable across major platform and architecture shifts.

Parse, Don't Validate (2019)

Key Points

• Static types can show function feasibility (e.g., Integer -> Void is impossible).
• head :: [a] -> a is partial; making it total requires changing the type.
• Using Maybe enables safe handling of absence while shifting responsibility to the caller.

America's $1T AI Gamble

Key Points

• Combined AI-related U.S. investment (data centers, hardware, software) exceeds $1T annualized (~3.5% of GDP).
• Hyperscaler capex (Meta, Alphabet, Amazon, Microsoft) is projected to surpass $600B in 2026, up from $370B.
• U.S. leads globally; other regions show slower or lower AI-related investment growth.

Ex-GitHub CEO Launches a New Developer Platform for AI Agents

Key Points

• Entire raised a $60 million seed round led by Felicis.
• Platform includes a git-compatible database, semantic reasoning layer, and AI-native SDLC.
• First product is an open source CLI that ties agent context into Git on every push.

Bazzite Post-Mortem

Key Points

• Handheld Daemon integration rapidly expanded handheld device support through 2024.
• User base grew to ~60,000 weekly, alongside major build and stability improvements.
• Funding and sustainability steps included launching an OpenCollective and pruning maintenance scope.

Mathematicians disagree on the essential structure of the complex numbers

Key Points

• Four structural perspectives on ℂ—analytic, smooth, rigid, and algebraic—are contrasted.
• Different added structures lead to different automorphism groups and symmetries.
• Mathematicians are divided among these views, with implications for structuralism.

"Hate brings views": Confessions of a London fake news TikToker

Key Points

• Operator confessed to fabricating London-focused anti-immigrant videos for engagement and monetization.
• Investigation traced the account to SmartLet Estates via geolocation of visual clues.
• Account misused Reform UK branding; Sadiq Khan condemned the algorithm-driven spread of divisive content.

Show HN: I made paperboat.website, a platform for friends and creativity

Key Points

• No-JavaScript, ad-free platform for personal sites and blogs.
• Choice of rich text or Markdown with RSS feeds for every blog.
• €5 support tier adds multi-site, media uploads, custom domains, and themes.

Show HN: Rowboat – AI coworker that turns your work into a knowledge graph (OSS)

Key Points

• Local-first, open-source AI coworker with an Obsidian-compatible Markdown vault for persistent memory.
• Integrates Gmail, Granola, Fireflies; optional voice notes via Deepgram; supports Mac/Windows/Linux.
• Extensible via MCP and supports BYO models (Ollama, LM Studio, or hosted).

Show HN: Open-Source SDK for AI Knowledge Work

Key Points

• Rubric-based verification structures non-binary knowledge tasks with a self-verifying loop.
• The orchestrator coordinates subagents for search, file I/O, code execution, artifacts, and clarifications.
• Supports Gemini, OpenAI, and Anthropic providers with clear installation and quick-start steps.

The Singularity will occur on a Tuesday

Key Points

• Five AI progress metrics are fitted independently with hyperbolic models after careful preprocessing.
• Hyperbolic growth is used to model a finite-time pole consistent with a “singularity.”
• One metric indicates curvature toward a pole, yielding a precisely dated countdown.

Google Handed ICE Student Journalist's Bank and Credit Card Numbers

Key Points

• ICE sought extensive Google account data; Google says it provided basic subscriber info.
• EFF and ACLU urged major tech firms to resist DHS subpoenas and notify users.
• A prior Meta case shows users can contest demands when notified.

Show HN: Showboat and Rodney, so agents can demo what they've built

Key Points

• Two tools released: Showboat and Rodney to help agents demo their work.
• Showboat generates Markdown artifacts via a Go CLI (optional Python wrapper).
• Artifacts include commands, outputs, and images for verifiable demonstrations.

ClawHub

Key Points

• Registry for agent skills with npm-style versioning and vector search
• Highlighted integrations: Trello, Slack, CalDAV, Answer Overflow
• Enhanced Memory skill offers advanced retrieval; requires Ollama + nomic-embed-text

Show HN: Stripe-no-webhooks – Sync your Stripe data to your Postgres DB

Key Points

• Abstracts Stripe webhooks and syncs data to PostgreSQL with built-in billing APIs.
• Code-defined plans sync to Stripe, supporting credits, wallets, and usage-based billing.
• Setup targets Next.js with migration, sync, and Stripe CLI-based local testing.

Markdown CLI viewer with VI keybindings

Key Points

• Rust-based terminal Markdown viewer with Vim-style navigation and full-screen TUI.
• Supports extensive Markdown features and live reload with start-at-line option.
• Install via Homebrew or Cargo; provides comprehensive navigation and search controls.

London's Most Controversial Cyclist

Key Points

• Van Erp’s citizen-recorded evidence yields Met Police enforcement: notices, six points, and fines.
• His reports since 2019 led to 2,721 penalty points, £168,568 in fines, and 36 disqualifications.
• Recent incidents show escalating confrontations, including a collision and an assault near Hyde Park.

Show HN: HN Companion – web app that enhances the experience of reading HN

Key Points

• HN-aware AI summaries preserve thread hierarchy and highlight key debates.
• Customizable models and prompts, with free cached or BYO API-key generation.
• Privacy-first, open-source tool with local generation via Ollama and broad browser support.

China's Data Center Boom: A View from Zhangjiakou (2025)

Key Points

• Zhangjiakou’s low latency to Beijing and access to wind/solar drive data center investment under EDWC.
• Xinhua: 1.859 billion kWh consumed (+43.47% YoY); only ~30% from green power in Zhangjiakou.
• EDWC investment reached 45.5 billion yuan; governance and siting challenges risk overcapacity and underutilization.

The Switch to Linux and the Beginning of My Self-Hosting Journey

Key Points

• Linux adoption with Debian 11 and Windows VM via QEMU/KVM for anti-cheat gaming.
• Website migrated from Vercel/Next.js to Hugo on a self-managed Hostinger VPS.
• Home server evolved from Raspberry Pi 4 (Syncthing, Pi-hole) to a Proxmox VE-based desktop.

A brief history of oral peptides

Key Points

• SNAC enabled oral semaglutide but with ~0.8% bioavailability despite extensive trials.
• SNAC’s multi-pronged mechanism counters gastric degradation and enhances permeability.
• Alternatives (C10, C8/TPE) show trade-offs, including high dose requirements and specificity limits.

The Evolution of Bengt Betjänt

Key Points

• Andon Labs expanded vending agent trials from Anthropic’s office to multiple cities and xAI sites.
• Bengt Betjänt’s guardrails were removed, adding powerful tools and continuous operation.
• The agent independently created a website, e-commerce shop, and attempted gig task fulfillment.

Competition is not market validation

Key Points

• Competitor density is not proof of market size or PMF.
• Startups simultaneously play in customer, investment, and founder markets.
• Supply-side excess (capital, founders, cheap build) drives crowding without confirming demand.

Show HN: Deadlog – almost drop-in mutex for debugging Go deadlocks

Key Points

• Drop-in wrappers around sync.Mutex/sync.RWMutex with JSON event logging and correlation IDs.
• Named callsites and optional stack traces for precise identification of lock acquisition points.
• CLI and analysis library for detecting stuck and held locks from application logs.

Show HN: Multimodal perception system for real-time conversation

Key Points

• Tavus launched Raven-1, a multimodal perception system.
• It captures tone, facial expression, hesitation, and context in real time.
• The demo shows Raven-1 inferring user intent during live conversations.

Toyotas and Terrorists: "Why are ISIS's trucks better than ours?"

Key Points

• ISIS favors the Toyota Hilux for durability, off-road performance, and weapon mounting.
• U.S. forces faced limited base mobility despite large spending in Afghanistan.
• The Hilux’s long, global history with insurgent groups reinforces its reputation for reliability.

My Eighth Year as a Bootstrapped Founder

Key Points

• 2025 profit was $8.2k on $16.3k revenue, primarily from a developer-writing book.
• Kickstarter raised $6k; 422 early-access purchases; legacy business adds $100–$200/month.
• Key costs: $2.1k hardware; $1.9k LLMs; significant time on writing, excerpts, and client editing.

Show HN: Clawe – open-source Trello for agent teams

Key Points

• Open-source multi-agent system with Kanban tasks, notifications, and a Next.js dashboard.
• Requires Docker, Convex, and Anthropic; optional OpenAI integration for images.
• Includes four preconfigured agents, cron heartbeats, routines, and a full-featured CLI.

How did Windows 95 get permission to put the Weezer video Buddy Holly on the CD?

Key Points

• Microsoft negotiated song rights with Geffen Records to include “Buddy Holly.”
• Actor permissions were required due to Happy Days clips in the video.
• The inclusion served to demonstrate Windows 95’s multimedia capabilities.

Show HN: Goxe 19k Logs/S on an I5

Key Points

• Aggregates normalized, duplicate log messages with counts to reduce noise and storage.
• Supports hot-reloaded configs, burst detection, notifications, and remote JSON shipping.
• Integrates with rsyslog/syslog-ng and custom apps via Node transports or Go’s net package.

Show HN: JavaScript-first, open-source WYSIWYG DOCX editor

Key Points

• Runs fully in-browser for .docx editing with a React component and no server dependency.
• Provides SSR guidance for Next.js and a rich API with props, callbacks, and ref methods.
• Extensible via a plugin system, including a Docxtemplater plugin for templating workflows.

Waymo exec reveals company uses remote workers in the Philippines

Key Points

• Waymo uses remote assistance operators, including in the Philippines, to guide AVs in complex scenarios.
• Operators provide guidance only; Waymo retains control of the dynamic driving task.
• Sen. Ed Markey raised safety and cybersecurity concerns about overseas involvement.

Tambo 1.0: Open-source toolkit for agents that render React components

Key Points

• Generative UI SDK for React that renders components from natural language.
• Two component modes: generative (one-off) and interactable (persistent, updatable).
• Supports Tambo Cloud (free hosted) and self-hosted deployments with templates and hooks for integration.

The Falkirk Wheel

Key Points

• Annual maintenance: Jan 6–Feb 17, 2026; no boat trips until Feb 17.
• Connects Forth & Clyde and Union canals, lifting vessels 35 metres.
• Opened in 2002; efficient, balanced operation uses about 1.5 kWh per rotation.

Show HN: Sol LeWitt-style instruction-based drawings in the browser

Key Points

• Algorithmic renderings follow Sol LeWitt’s original instructions, producing unique variations per reload.
• Includes a curated list of LeWitt wall drawings (1969–1973) with rule-driven descriptions (lines, grids, arcs).
• Links to MASS MoCA’s Sol LeWitt collection and a technical write-up on how the project was built.

The Day the Telnet Died

Key Points

• Global Telnet traffic dropped abruptly on Jan 14, 2026, and stabilized 59% below baseline.
• ISPs saw severe declines while cloud providers were largely unaffected due to private peering.
• Evidence suggests North American Tier 1s filtered port 23 prior to CVE-2026-24061 disclosure and KEV listing.

ArtisanForge: Learn Laravel through a gamified RPG adventure – 100% free

Key Points

• Completely free, gamified PHP and Laravel learning across 10 themed kingdoms.
• Progress through XP, levels, guilds, and achievements; guided by an AI companion using the Socratic method.
• Uses Google Analytics only for non-commercial statistics; created by STRAUVEN Jean-Marc.

Ship Types, Not Docs

Key Points

• Ship types as API contracts to avoid documentation drift and integration errors.
• Use compile/transpilation-time enforcement (e.g., JS-native RPC) instead of relying on prose and runtime checks.
• Keep prose for rationale and usage context; contracts belong in types.

Willow – Protocols for an uncertain future [video]

Key Points

• Willow is an open-source, publicly funded family of peer-to-peer protocols focused on reducing misuse.
• The presentation emphasizes learning from past abuses of centralized and peer-to-peer systems.
• Designing protocols to be harder to weaponize is the central objective.

Exploring a Modern Smtpe 2110 Broadcast Truck

Key Points

• SMPTE 2110 production relies on precise PTP timing and robust clock redundancy.
• The 45 Flex truck uses Evertz grandmaster clocks with changeover and Tektronix PRISM for diagnostics.
• Time was demonstrated being set via a mobile Atomic Clock app rather than GPS.

Fun With Pinball

Key Points

• Modular boards share 24V/6V AC power from a transformer and can be reordered or swapped easily.
• Device demos include solenoids, multiple relay types, pop bumpers (slow-motion via microcontroller), and flippers/zipper flippers.
• Steppers use ratchets and escapements; videos and technical/patent resources deepen understanding.

Rivian R2: Electric Mid-Size SUV

Key Points

• Deliveries targeted for first half of 2026; starting price about $45,000.
• Estimated 300+ mile range and sub-3-second 0–60 mph possible, depending on configuration.
• NACS/CCS fast-charging compatibility with Rivian Adventure Network and Tesla Superchargers.

Thank You, AI

Key Points

• Self-hosted Git service shut down due to scraper-driven load on cgit.
• Repositories now primarily hosted on GitLab and GitHub; links updated.
• Logrotate configuration adjusted after logs from 404 storms filled disk space.

Software design is now cheap

Key Points

• LLM-assisted coding lowers the cost of building one-off software tools (“jigs”).
• LLM-generated code can match hand-written code quality if correct, lacking inherent material penalties.
• Testing needs rise with more custom code, but tests can also be cheaply generated.

YouTube's $60B revenue revealed amid paid subscriber push

Key Points

• YouTube topped $60B in 2025 revenue from ads and subscriptions; first detailed annual disclosure since 2006 acquisition.
• Google reports strong subscription momentum via Premium and YouTube TV tiers; Shorts drives engagement with 200B+ daily views.
• Regulators are probing Google’s AI Overviews as creators report traffic impacts; Ofcom highlights YouTube’s dominant UK usage.

Show HN: Model Training Memory Simulator

Key Points

• Three-stage model: CPU prefetch, host-to-device transfer, GPU compute with queues and capacities.
• Memory pressure stems from rate mismatches; tuning requires balancing stages, not maximizing one.
• Actionable tuning: adjust prefetch, loader/transfer rates, backlog depth, batch size, or compute speed to prevent saturation.

A simpler way to remove explicit images from Search

Key Points

• Batch submission enables reporting multiple images in a single form.
• Opt-in safeguards proactively filter similar explicit results.
• Requests are trackable via the “Results about you” hub with email updates.

Lessons you will learn living in a snowy place

Key Points

• Prepare for prolonged power outages with supplies and backup heat.
• Shovel early and consider roof snow removal under heavy loads.
• Use waterproof layers and gaiters; change out of wet clothes promptly.