Tech Titans Cash In, ARM Shock, Nuclear Whiplash!

Iommi – your first pick for a Django power chord

Key Points

• iommi builds forms, tables, pages, and an in-app admin for Django with minimal boilerplate.
• Sorting, filtering, pagination, and bulk actions are configured declaratively in Python.
• Setup is straightforward: install, configure Django settings, define pages, and add routes.

Spinning Up an Onion Mirror Is Stupid Easy

Key Points

• Install and configure Tor on Debian to create a hidden service for an .onion mirror.
• Retrieve the .onion address from the hidden service hostname file after restarting Tor.
• Serve the onion site via Caddy over HTTP, adding a site block if domain restrictions exist.

Video‐rate tunable colour electronic paper with human resolution

Key Points

• VR and AR optical paths for integrating Retina E‑paper are detailed.
• Red pixel switching demonstrates video‑rate performance and full contrast.
• Device response exceeds ~24 fps playback requirements despite 18 fps capture.

Language Models Are Injective and Hence Invertible

Key Points

• Mathematical proof that transformer language models are injective and lossless for their internal representations.
• Empirical collision tests across six state-of-the-art models found no collisions.
• SipIt algorithm reconstructs exact input text from hidden activations with linear-time guarantees.

Trump directs nuclear weapons testing to resume for first time in over 30 years

Key Points

• Trump directed the US to resume nuclear weapons testing after a 1992 moratorium.
• ACA says only North Korea has conducted nuclear explosive tests this century.
• Russia’s recent weapon system tests did not involve nuclear detonations.

Some Smalltalk about Ruby Loops

Key Points

• Ruby iteration via times and blocks attaches behavior to objects.
• Python for loops iterate over iterables like range(10).
• Smalltalk examples mirror Ruby’s object messaging and iteration patterns.

Alphabet tops $100B quarterly revenue for first time, cloud grows 34%

Key Points

• Revenue and EPS beat expectations; shares rose 5% after hours.
• Google Cloud revenue up 35% YoY with a $155B backlog driven by AI.
• 2025 CapEx raised to $91–$93B; significant increase signaled for 2026.

Typst's Math Mode Problem

Key Points

• Function calls currently bind tighter than sub/superscripts in Typst math mode, causing unintuitive rendering.
• Parse-time ambiguity (identifier + parentheses) is the root cause; resolution happens only at runtime.
• An open PR proposes reverting to Typst 0.3 behavior to restore intuitive attachments, potentially altering existing documents.

Show HN: In a single HTML file, an app to encourage my children to invest

Key Points

• Single-file HTML app installs as a PWA and runs on a smartphone.
• Displays daily, weekly, monthly gains and total balance from user inputs.
• Uses repurposed hardware to create a persistent, kid-friendly investment dashboard.

Replacing EBS and Rethinking Postgres Storage from First Principles

Key Points

• Fluid Storage delivers instant forks, snapshots, and synchronous replication with a PostgreSQL-compatible block layer.
• Architecture: NVMe-backed block store, proxy for copy-on-write volumes, and a user-space driver exposing local-disk semantics.
• Now running across Tiger Cloud’s free tier; single-volume benchmarks exceed 110,000 IOPS and 1.4 GB/s throughput.

Estimating the Perceived 'Claustrophobia' of New York City's Streets

Key Points

• Geometry simplification with Shapely reduces complexity while preserving sidewalk shapes.
• Segmentized sampling places points every 50 feet to measure conditions along sidewalks.
• Buffered spatial joins (25 feet) capture nearby clutter from NYC OpenData datasets.

3D solar tower increases capacity factor 50%, triples solar surface area

Key Points

• $5.5M seed round to scale patented 3D solar towers.
• Claims ~32% capacity factor and LCOE as low as $0.05/kWh.
• Pilots at Munich and Dallas–Fort Worth airports; models from 1.5 kW to 10 kW.

NaN, the not-a-number number that isn't NaN

Key Points

• Any arithmetic involving NaN results in NaN, preserving an error state.
• NaN is not equal to itself, and all comparisons with NaN return false.
• NaN behavior follows IEEE 754 rules that require NaN propagation.

The International Criminal Court wants to become independent of USA technology

Key Points

• ICC will replace Microsoft software with OpenDesk to achieve digital sovereignty.
• Sanctions context: reported blocking of ICC prosecutor’s Microsoft email access prompted a shift to Proton.
• German public-sector bodies, including the Armed Forces, are also moving toward Zendis’ sovereign solutions.

US declines to join more than 70 countries in signing UN cybercrime treaty

Key Points

• Over 70 countries signed the UN Cybercrime Convention; the U.S. did not sign and is reviewing.
• The treaty creates global frameworks for electronic evidence and a 24/7 cooperation network.
• Critics warn of expanded surveillance and risks to cybersecurity research and data privacy.

Ventoy: Create Bootable USB Drive for ISO/WIM/IMG/VHD(x)/EFI Files

Key Points

• Create multi-boot USBs by copying multiple image files—no reformatting required.
• Supports BIOS/UEFI across multiple architectures and both MBR/GPT partition styles.
• Verified with 1,200+ images, covering major Windows, Linux distros, and popular utilities.

The Aesthete's Progress

Key Points

• The essay positions time and beauty as inimical in The Picture of Dorian Gray.
• It contrasts the novel’s stance with Kant, Hegel, Ruskin, and Pater.
• It aligns Dorian’s attitude with Schopenhauer’s aesthetics, using the 1891 text edited by Michael Gillespie.

Affinity Studio Now Free

Key Points

• Affinity is free to use with a Canva account.
• Full Pixel, Vector, and Layout toolsets are included without restrictions.
• Canva premium users can unlock AI features via Canva AI Studio.

ZOZO's Contact Solver (for physics-based simulations)

Key Points

• Penetration-free contact handling for shells, solids, and rods, with FEM-based deformables.
• Massively parallel GPU execution in single precision, scaling beyond 150M contacts.
• Docker, JupyterLab, documented Python APIs, and multi-cloud deployment support (incl. AWS budget table).

Free software scares normal people

Key Points

• FOSS tools often have power-user UIs that overwhelm typical users.
• Magicbrake provides a one-button front end to Handbrake to produce widely compatible MP4s.
• Designing for common use cases and hiding complexity improves accessibility and productivity.

Frozen DuckLakes for Multi-User, Serverless Data Access

Key Points

• Read-only DuckLake snapshots published to S3/HTTPS remove the need for a catalog database server.
• Near-zero overhead beyond Parquet storage with immediate SQL access and cross-cloud references.
• Versioning and updates handled via new snapshots and time-travel queries.

Qt Creator 18 Released

Key Points

• Experimental Development Containers support with devcontainer.json and Docker
• C++/QML tooling upgrades, including Clangd/LLVM 21.1 and QML Language Server access
• Expanded CMake and remote Linux device workflows, plus project/settings reorganization

Launch HN: Propolis (YC X25) – Browser agents that QA your web app autonomously

Key Points

• AI-powered browser agents autonomously navigate web apps to learn flows.
• Agents automatically generate comprehensive tests to improve coverage.
• Goal is to keep bugs out of production and strengthen QA.

Show HN: I made a heatmap diff viewer for code reviews

Key Points

• Open-source heatmap diff viewer guides attention in code reviews.
• Activate via github.com → 0github.com on any GitHub PR.
• Uses gpt-5-codex to output JSON that drives the heatmap.

Falling panel prices lead to global solar boom, except for the US

Key Points

• China-driven cost declines are fueling a global solar boom.
• US federal decision reversed collective approval for major Nevada solar projects, slowing development.
• Renewables outgenerated coal in H1, but emissions remain at record highs and 2030 capacity goals are at risk.

The ear does not do a Fourier transform

Key Points

• Cochlear filters preserve both time and frequency information rather than performing a pure Fourier transform.
• Tonotopic organization provides spatial frequency separation along the basilar membrane with a logarithmic mapping.
• Efficient coding (via ICA) explains observed time–frequency tradeoffs and speech’s distinct niche.

Moderna, the company that helped save the world, has unraveled

Key Points

• HHS canceled $766M in bird flu preparedness contracts affecting Moderna.
• Moderna’s market value fell over 90% from its 2021 peak to ~$10B, with layoffs and restructurings.
• Moderna retains $6B cash, >$1B annual Covid vaccine sales, and a promising cancer vaccine candidate.

UDP Isn't Unreliable, It's a Convertible

Key Points

• UDP can be made reliable via lightweight application-level features like ACK/NACK and sequence numbers.
• TCP provides built-in reliability mechanisms at the cost of greater overhead and complexity.
• Proxylity UDP Gateway is promoted as a serverless, pay-as-you-go solution available via AWS.

Some People Can't See Mental Images. The Consequences Are Profound

Key Points

• Nick Watkins cannot form mental images of past events but retains factual memories.
• A 1997 column by Michael Bywater revealed to Watkins that others can visualize and re-experience memories.
• Watkins pursued abstract areas of physics, aligning with his non-visual cognitive style.

GooglePlay reports latest F-Droid version of Aves Libre as potential malware

Key Points

• Google Play’s scanner warned that Aves Libre 1.13.9 (F-Droid build) could be dangerous during update.
• User could override the warning and complete installation via Droid-ify.
• Comprehensive environment details (Android 16, Flutter 3.27.4, device/build info) are provided for reproduction.

SF neighborhood mourns loss of bodega cat allegedly killed by Waymo

Key Points

• KitKat was allegedly struck by a Waymo vehicle and died despite emergency veterinary care.
• Witness accounts and a 311 complaint describe the incident; Waymo did not comment by publication.
• A substantial community memorial and social media tributes emerged in the aftermath.

I have released a 69.0MB version of Windows 7 x86

Key Points

• 69.0MB Windows 7 x86 build announced, requiring user-supplied system files.
• Links provided: file list on Pastebin; download on Internet Archive.
• Post on X showed 54K views at the time displayed.

Rapid Brightening of 3I/Atlas Ahead of Perihelion

Key Points

• Space-based imagers tracked 3I/ATLAS near the Sun when ground observations were hindered.
• Brightness increased steeply with distance scaling ~r^(-7.5 ± 1.0).
• Data show a ~4′ coma and a blue color consistent with strong gas emission near perihelion.

You can't turn off Copilot in the web versions of Word, Excel, or PowerPoint

Key Points

• Copilot can be turned off via an app-specific checkbox in desktop Office apps.
• Copilot cannot be turned off in iOS, Android, or web versions.
• Specific minimum app versions are required for the disable option to appear.

Learn Multiplatform Z80 Assembly Programming with Vampires

Key Points

• Comprehensive Z80 assembly curriculum with video-backed lessons.
• Covers many retro platforms and includes advanced, multiplatform, and game-focused series.
• Tooling centers on WinApe for CPC and VASM for multi-target builds, plus a Z80 cheatsheet and official references.

Minecraft HDL, an HDL for Redstone

Key Points

• Verilog-to-redstone synthesis for educational use
• Limited to simple, combinational circuits due to platform constraints
• Developed by McGill University students under academic supervision

TruthWave – A Platform for Corporate Whistleblowers

Key Points

• Secure, anonymous reporting of corporate wrongdoing
• Financial compensation for whistleblowers
• Community-driven, collaborative justice approach

Springs and bounces in native CSS

Key Points

• Linear() defines easing via a list of progress points, creating piecewise linear motion.
• It enables spring and bounce animations natively in CSS, reducing reliance on JavaScript.
• Browser support is around 88% as of October 2025, with major browsers supporting it since December 2023.

Aisuru botnet shifts from DDoS to residential proxies

Key Points

• Aisuru pivoted from DDoS to renting infected IoT devices as residential proxies.
• Attacks reached up to nearly 30 Tbps, disrupting ISPs and overwhelming defenses.
• ISPs and authorities are responding with shared block lists targeting control infrastructure.

Taking money off the table

Key Points

• Take partial liquidity during tender offers to reduce risk and secure guaranteed gains.
• Startup outcomes are unpredictable; examples like Zenefits illustrate potential reversals.
• Using tender offers as a forcing function helps enforce disciplined, probability-aware decisions.

NPM flooded with malicious packages downloaded more than 86k times

Key Points

• Attackers used npm’s Remote Dynamic Dependencies to deliver hidden, unvetted code.
• 126 malicious packages were uploaded, with over 86,000 downloads since August.
• Koi found around 80 packages still available; npm has not responded yet.

Independently verifying Go's reproducible builds

Key Points

• Go toolchains are reproducible and their checksums are logged in the public Go Checksum Database.
• Source Spotter independently audits the Checksum Database and verifies toolchain reproducibility.
• Toolchain records use the golang.org/toolchain pseudo-module with version strings including Go version, OS, and architecture.

Show HN: Run a GitHub Actions step in a gVisor sandbox

Key Points

• Runs GitHub Actions steps inside a gVisor sandbox for isolation.
• Requires disabling persisted credentials in actions/checkout to prevent token exposure.
• Provides configurable options (network, persistence, env, rootfs) and Go CI examples.

Show HN: Meals You Love – AI-powered meal planning and grocery shopping

Key Points

• AI-tailored weekly meal plans with detailed instructions
• Automated grocery cart building via Kroger and Instacart
• Smart pantry tracking and quick, on-hand ingredient recipes

Tweakcc

Key Points

• Version 2.0.0 enables full system prompt customization in Claude Code.
• New env vars fix spinner freeze and allow context limit overrides.
• Works by patching cli.js; configs persist and can be reapplied after updates.

PlanetScale Offering $5 Databases

Key Points

• New $5/month PS-5 single-node tier for PlanetScale Postgres
• Single-node non-HA mode rolling out over the next few months
• Updated pricing spans ARM and Intel across single-node and HA options

Lenses in Julia

Key Points

• Lenses in Accessors.jl enable non-mutating access and updates to nested data.
• Compose lenses with @optic, opcompose, and PropertyLens/IndexLens for precise targeting.
• Lens implementations must be pure and obey three formal lens laws with appropriate equality.

Apple reports fourth quarter results

Key Points

• Q4 FY2025 revenue: $102.5B (up 8% YoY); adjusted EPS: $1.85 (up 13%).
• Records set for iPhone revenue and Services revenue; new products launched in September.
• Dividend of $0.26 per share; earnings call webcast on Oct 30, 2025.

If a pilot ejects, what is the autopilot programmed to do? (2018)

Key Points

• Ejection signals an uncontrollable aircraft; pilots would attempt recovery before ejecting.
• Post-ejection aerodynamics (e.g., canopy loss) severely degrade controllability, limiting autopilot utility.
• Autopilot behavior post-ejection is model-specific and often classified, preventing a general answer.

Show HN: ekoAcademic – Convert ArXiv papers to interactive podcasts

Key Points

• Generates short audio summaries of new arXiv papers with interactive, multilingual Q&A.
• Uses GPT‑realtime sessions for conversational queries and set summarizations.
• Stores non-interactive podcasts to reduce costs and enable real-time generation.

Denmark reportedly withdraws Chat Control proposal following controversy

Key Points

• Denmark drops support for mandatory message scanning; backs voluntary CSAM detection.
• Germany’s opposition on Oct 8 undermines the proposal’s viability.
• Current voluntary scanning framework expires in April, prompting urgency.

Phone numbers for use in TV shows, films and creative works

Key Points

• Reserved, unassigned numbers are provided for fictional use across landline, mobile, and toll-free/local-rate categories.
• Geographic ranges: (02|03|07|08) with 5550 or 7010 prefixes, then any four digits, mapped to specific Australian regions.
• Additional options include listed 0491 mobile numbers and designated 1800/1300 ranges for toll-free and local-rate needs.

Why We're Never Using Wise Again – A Cautionary Tale from a Business Burned

Key Points

• Address verification was triggered after the business updated its Wise account details.
• Wise listed specific acceptable documents; the business submitted a telecommunications bill matching requirements.
• The business reports both business and personal Wise accounts were closed without clear explanation.

The Psychology of Portnoy: On the Making of Philip Roth's Groundbreaking Novel

Key Points

• Major pre-publication excerpts built anticipation for Portnoy’s Complaint.
• Contemporary media framed the novel as an immediate cultural touchstone.
• Roth’s influences, drafting process, therapy, and Newark roots shaped the novel’s breakthrough.

Show HN: Front End Fuzzy and Substring and Prefix Search

Key Points

• Fast, multilingual fuzzy + substring + prefix search with no dependencies.
• Multiple build formats (ESM, CommonJS, UMD, modern) and TypeScript types; install via npm.
• Usage covers indexing, querying, removal, and upsert with configurable searchers and thresholds.

How to Use Zorn's Lemma

Key Points

• Practical heuristic for recognizing when Zorn’s lemma applies.
• Undergraduate-focused guidance with prerequisites like vector spaces.
• Examples include an additive function on real numbers.

Jack Kerouac, Malcolm Cowley, and the difficult birth of On the Road

Key Points

• Kerouac’s 1951 draft was a 120-foot continuous scroll produced in 20 days.
• The novel’s conception dates to 1948 and underwent years of development and revision.
• Editor Robert Giroux at Harcourt, Brace played a major role in refining the manuscript.

A Defense of Philosophical Intuitions

Key Points

• Philosophical intuitions are defended as valid evidence in epistemology.
• Mental faculties vary by degree and have distinct failure modes across sensation, memory, and emotion.
• Real-world cases (long COVID sensory loss, tetrachromacy, amnesia, hyperthymesia) illustrate cognitive variability.

Kimi Linear: An Expressive, Efficient Attention Architecture

Key Points

• Kimi Linear’s KDA delivers linear attention with strong long-context efficiency.
• Benchmarks show 84.3 on RULER (128k) with 3.98× speedup and 51.0 on MMLU-Pro (4k).
• Two 48B checkpoints (Base, Instruct) with 1M context are released and KDA kernel is open-sourced in FLA.

ICE and the Smartphone Panopticon

Key Points

• ICE and activists both leverage social media—activists to document and organize, ICE to identify targets.
• Investigations report ICE’s use of Zignal Labs and Palantir, and plans for expanded social media monitoring.
• New apps (ICEBlock, Red Dot, DEICER, Eyes Up) enable community tracking and evidence archiving of enforcement activity.

Roadmap for Improving the Type Checker

Key Points

• Focus on implementation improvements to Swift’s expression type checking across shipped, current, and planned work.
• Swift’s type checker uses constraint solving with disjunction constraints for overloading, a key source of complexity.
• Aim to reduce ‘unable to type-check in reasonable time’ errors by addressing algorithmic bottlenecks.

Ground stop at JFK due to staffing

Key Points

• Staffing-related ground stop at JFK from 31/0114Z to 31/0230Z.
• Departure facilities included: ZTL, ZDC, ZJX, ZMA, ZME, ZID.
• Delay metrics increased to 7920 (total), 609 (max), 264 (avg); probability of extension is medium.

Animals could easily be talking to us if we tried

Key Points

• Proposes combining real-time brain imaging and voice AI to produce animal speech.
• Outlines a device and server pipeline to process neural and sensory data into spoken output.
• Claims this project is more feasible today than Mars exploration, AI alignment, or quantum computing.

Show HN: Quibbler – A critic for your coding agent that learns what you want

Key Points

• Background critic for coding agents with automatic corrections and rule enforcement.
• Supports Hook Mode (Claude Code) and MCP Mode (Model Context Protocol) integrations.
• Prevents fabrication, skipped tests, style drift, hallucinations, and misaligned changes.

Chromium Browser DoS Attack via Document.title Exploitation

Key Points

• Blink vulnerability allows DoS via unthrottled document.title updates.
• Chromium browsers ≤143.0.7483.0 crash within 15–60 seconds; Firefox/Safari are immune.
• Attack uses preloaded strings and high-frequency burst injections to saturate the main thread.

Rouille – Rust Programming, in French

Key Points

• Rouille enables French-language Rust syntax while remaining compatible with standard Rust.
• The article provides example code mapping Rust constructs to French equivalents.
• The project invites contributions and uses the LPRAB (WTFPL translation) license.

No Code

Key Points

• Transforms readable Python code into executable “no code” via a custom encoding.
• Includes “no_code” and “yes_code” CLI tools and helper functions for conversions.
• Requires Python 3.10+, a virtual environment is recommended, and encoding may need registration.

Modifying a radiation meter for (radioactive) rock collecting

Key Points

• Microcontroller replaces audio section to output tone based on count rate minus background.
• Event tapped from CD4093BE; 22k resistor protects MCU from higher voltage levels.
• UPDI programming tips and HV safety practices enable practical field-ready modification.

AMD Could Enter ARM Market with Sound Wave APU Built on TSMC 3nm Process

Key Points

• Customs records confirm AMD’s ARM APU “Sound Wave” package and interface details.
• Leaked specs point to TSMC 3 nm, 5–10 W TDP, hybrid CPU, RDNA 3.5 GPU, and LPDDR5X-9600.
• Reports suggest production in late 2025 and potential 2026 Microsoft Surface deployment.

Florian Schneider Collection: Instruments and Equipment Up for Auction

Key Points

• Julien’s Auctions announced The Florian Schneider Collection auction.
• Items include rare instruments and iconic equipment tied to Kraftwerk.
• The article highlights Kraftwerk’s pioneering influence on modern electronic music.

A Look at Antml: The Anthropic Markup Language

Key Points

• ANTML tags denote internal reasoning and control signals in the Claude API.
• The API strips the antml: namespace in both inputs and outputs, including on claude.ai and Amazon Bedrock.
• Extended thinking is configured via the thinking parameter and governed by ANTML directives (e.g., thinking_mode, max_thinking_length).