93% of paint splatters are valid Perl programs (2019)

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Researchers found that 93% of paint splatters can be parsed as valid Perl code, but they also identified seven examples that are not. These invalid programs were created by OCR software and did not follow standard Perl syntax.

AWS emulator

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AWS Emulator is a local emulator of AWS APIs for testing and development without incurring additional service fees. It can be installed on various platforms, including Linux, Windows, and macOS, with optional telemetry data collection enabled by default.

Tim Peters has died

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The author shares a personal tribute to Tim Peters, a key figure in Python's development and design evolution. He credits Tim with influencing his own programming style and career, citing his positive influence on the language's growth from 2001 to 2014 as Director of the Python Software Foundation.

Lock Your GitHub Actions

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GitHub Actions now support lockfiles, which can be used to prevent supply-chain attacks. Lockfiles are updated periodically and should be verified in CI to ensure they're up-to-date and not corrupt.

United Airlines bans AI agents from booking flights on behalf of travelers

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United Airlines is banning AI agents from making flight reservations due to security risks and potential rule violations. The airline aims to retain control over the booking process, avoiding additional expenses associated with AI bot searches.

A false smoke alarm almost drowned Jane Street's only NYC datacenter

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The author recounts a false smoke alarm in Jane Street's NYC datacenter, which triggered sprinklers and threatened to destroy servers. He pulled power cords to prevent damage before the temperature rose too high.

Gemini Decisions API

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The Gemini Decisions API offers fast, closed-set decisions with a new model called Gemini Decision 1, available through the Google AI Studio. The API provides primitives for bounded choices and scores options in a single forward pass with low latency and no output token charges.

Emacs in the Age of Magic

The author reflects on the impact of AI on Emacs, a popular text editor, and how it has changed the way people interact with software.

A general purpose Apple Silicon layer for x86-64 PCs

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Stela is a general purpose Apple Silicon layer for x86-64 PCs, still in development with low boot chances. It translates arm64e code to x86-64 and supports NVIDIA GPUs, but requires specific hardware and setup.

The Utah Teapot

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The Utah Teapot is a historical computer graphics model created by Martin Newell in 1975, with various versions developed over the years. The latest version, released in 2026, features improved interior design and texture mapping options.

Show HN: I recreated Papers Please but you're deciding which YC startups to fund

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YC founders are raising a round. Inspect the financials, question the records, and decide who gets funded.

Faster Retrieval for Better, More Efficient RAG

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Researchers propose Amortizing Maximum Inner Product Search (MIPS) using learned support functions, which trades off accuracy for speed. This approach uses neural networks to mimic the ground-truth support function and can be used for routing queries towards their best match.

My AI agents found an unmapped Maya site?

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A user used AI agents to analyze NASA lidar data and discovered a previously unmapped Maya site in Mexico, which was later found to have been mapped by archaeologists. The discovery took less than 72 hours from initial thought to official reply from the Mexican government.

Jensen Huang said to have had relationship with executive who reports to him

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Huawei releases MACaQ, its internal quantizer for local inference

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MACaQ is a model-agnostic calibrated quantization method that can reduce the parameter size of large models by 11 times while maintaining comparable perplexity. It supports various models, including text, image, video, and audio models, and is licensed under the Apache License 2.0.

How to make a CNC plasma cutter with high-frequency start

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HF start plasma cutters cause USB disconnections, but using WiFi or Fiber Optic communication can bypass this. Servos and custom setups can work with lower voltage, though cutting performance may still require tuning.

Hyper-Realistic Sand with WebGL2

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Built with WebGL2 and JavaScript. Push grains with your finger, tilt your phone to make them slide, or shake to scatter them. Play in your browser on phones, tablets and desktops.Pour

Nvidia is preparing to oust Jensen Huang

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Show HN: Yogurt – Free, private, open-source alternative to Granola

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Private AI meeting notes. Free and open source. Contribute to FrigadeHQ/yogurt development by creating an account on GitHub.

Flying on Green: Why Farmers Are Turning to Drones for Cover Crop Seeding

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Two Illinois farmers, Matt Klein and Randy Oertwich, use drones to seed cover crops into standing corn before a steady rain. They've learned that timing is key to avoiding compaction and making the math work for their aerial seeding operations.

Launch HN: Pomerado (YC F26) – Turn any website into an MCP for agents

Sorry

Atuin Threads: All your agent sessions on every machine

The author uses Atuin Threads to store and search their agent sessions across multiple machines, providing a searchable history of their work. This allows them to recall previous commands and intentions with ease, improving productivity and collaboration.

A Brief History of Sierra Online (2017)

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The company Sierra was founded in 1979 by Ken and Roberta Williams, initially creating software for the Apple II computer before developing graphic adventure games. The company released iconic titles such as King's Quest and Leisure Suit Larry, but faced significant changes in ownership and restructuring over the years.

Can a Linear Program Do Weight-Space Programming?

Researchers at MIT CSAIL used GPT-6 Astra to edit its weights and improve math performance by 40.2% on MATH-500, reducing looping behavior. They found that the edits were equivalent to a constant push along a specific direction in the residual stream, which can be added directly without weight changes.

Optimizing Reference Deletions in Git

Git stores references as files or a packed-refs file, with the files backend being the default until Git 2.45 and reftable becoming the new standard in Git 3.0. A recent optimization improved deletion performance by rewriting unnecessary information in C code to match Rust's faster approach.

Making the Iron Giant Live

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The Animation Obsessive newsletter explores the best in animation worldwide, discussing The Iron Giant's production and its innovative use of 2D and 3D techniques. Various animators share their personal projects, including a self-taught animator who created a music video using Blender.

Using voltage glitching to unleash the A100 in my mining card

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A researcher has discovered a voltage fault injection (VFI) vulnerability in the GA100 die, allowing for arbitrary fuse blowing and unlocking of NVIDIA's CMP 170HX 8GB card to its maximum capability. This unlocks features like NVLink, PCIe Gen4, and more.

The hardest notes to find on the guitar

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The Find the Notes game has collected 275,169 data points on note identification, revealing that the upper middle of the neck is hardest to identify. Sharps and flats are harder than natural notes, with F♯ being the most challenging note name.

The Apple Support Community will permanently close on November 20, 2026

Apple Support Community will close on November 20, 2026, and is now read-only. Users can still find trusted guidance on the official Apple Support site.

IBM Quantum Nighthawk Demonstrates New Levels of Speed and Quality

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IBM announces its next-generation quantum processor, IBM Quantum Nighthawk r3, which will support 10,000 quantum operations on 520 qubits and plans to link two processors into a single system with over 1,000 qubits in 2027. The new processor is designed to deliver high-speed architecture and enable complex computations while maintaining quality and speed.