Ntsc-rs – open-source video emulation of analog TV and VHS artifacts

https://ntsc.rs/assets/images/dMI5kPlcVt-400.webp
ntsc-rs is a free, open-source Rust effect that accurately emulates analog TV and VHS artifacts. It's multithreaded, SIMD-accelerated and available as a standalone, web app, and plugin for various video editing software.

Zeroserve: A zero-config web server you can script with eBPF

zeroserve is a fast, zero-config HTTPS server that serves websites from a single tarball and supports eBPF scripting for middleware and proxying. It beats nginx in serving small files and has a faster proxying path.

Meta confirms 1000s of Instagram accounts were hacked by abusing its AI chatbot

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Meta notified 20,225 people whose Instagram accounts were hijacked through a flaw in its AI chatbot, allowing hackers to access account information and posts. The breach occurred from April 17 to this week, with Meta disabling the chatbot and instructing users to reset their passwords.

Nvidia is proposing a beast of a CPU system for Windows PCs

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You Can Run

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Erin McCann, a lawyer, discovers two boxes of government documents connected to her family's past crimes. Her mother, Leah, had hidden the documents, revealing a life of deceit and crime by Erin's father, John.

Show HN: Infinite canvas notes in the non-Euclidean Poincaré disk

The demo allows users to view multiple notes at once with tools and mode switching available. It was created using LLM tools due to the author's lack of mathematical background.

Benchmarks in Leipzig

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
49 mathematicians compiled 100 research-level math questions with known answers between April 1 and May 15, 2026. LLMs solved 98 questions in three stages, demonstrating their impressive mathematical reasoning capabilities.

How LLMs work

https://www.0xkato.xyz/assets/transformer-pipeline.png
Modern LLMs use transformer blocks, tokenization, and embeddings to process text. They apply attention and feed-forward networks to generate text, using residual connections and layer normalization to stabilize the model.

Google will pay SpaceX $920M per month for compute

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Google will pay SpaceX $920 million per month for access to 110,000 NVIDIA GPUs and related components from October 2026 to June 2029. The deal is a short-term agreement to meet surging demand for Google's AI products, with a cancellation clause and reduced fees if access is delayed.

Pokemon Emerald Ported to WebAssembly (100k FPS)

Keyboard: arrows, Z=A, X=B, Enter=Start, Shift=Select.

Pentagon raised threat of Israeli spying on U.S. to highest level, sources say

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The US Pentagon has raised its counterintelligence threat level for Israel to the highest level due to concerns about Israel's increased spying on the US. The US is taking extra precautions when interacting with Israeli officials, but the two countries' intelligence-sharing remains intact.

WoofWare.PawPrint, a Deterministic .NET Runtime

https://www.patrickstevens.co.uk/images/AboutMe/profile.png
PawPrint is a deterministic .NET runtime that interprets IL and shims out BCL JIT intrinsics and native code. It uses probabilistic concurrency testing and maintains a rich internal model of the IL machine for time-travel debugging and control over history.

Lambda isn't leaking memory, your metrics are lying to you

https://engineering.taktile.com/_astro/ONNX-memory-usage-on-lambda-hero.l8P4AGgB_ZcdO2D.webp
A customer's AWS Lambda was experiencing OOM-killed issues due to high memory usage, but reducing the cache size made it worse. The issue was caused by ONNX Runtime's allocator behavior, which was hoarding memory, and was resolved by disabling the allocator and adjusting the allocation threshold to 32 KB.

Running Python code in a sandbox with MicroPython and WASM

https://static.simonwillison.net/static/2026/micropython-in-datasette-agent.jpg
The user created a Python library called micropython-wasm that executes Python code in a WebAssembly sandbox with controlled file access, network access, and memory limits. The library uses MicroPython and wasmtime, and the user has tested it with a plugin for Datasette Agent and is now seeking feedback and collaboration to improve and maintain the library.

Police in England and Wales told to halt AI use in court statements

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S&P 500 rejects SpaceX, also blocking entry for OpenAI and Anthropic

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SpaceX was denied accelerated entry into the S&P 500 stock market index due to its unprofitability and high debt load. The decision may be a relief to investors concerned about exposure to SpaceX's AI and speculative plans.

Summer of '85: DOSBOS is rejected by ANALOG Computing

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The user upgraded their Atari 400 to an 800XL in 1985, which improved their programming experience with a better keyboard and 64K of RAM. They created a utility program called DOSBOS, but it was rejected by ANALOG magazine due to its limitations as a BASIC program.

Building Rust Procedural Macros from the Grounds Up

https://www.learnix-os.com/assets/ast.svg
We are going to learn about Rust's procedural macros and implement one ourselves to represent a number as flags, with the ability to control which functions will be generated and to have the ability to write numbers between 0 and 7 to a flag. We will use the syn crate to parse Rust's syntax tree into a structured AST and the quote crate to convert the AST back into a TokenStream.

Moving beyond fork() + exec()

A recent Linux kernel proposal to add "spawn templates" to optimize the fork() and exec() pattern has been rejected, but it may point to a new process-creation primitive in the future. The discussion highlights the need for a better process-creation mechanism, with some suggesting a native implementation of posix_spawn() and others proposing alternative approaches using existing system calls.

Trees to Flows and Back: Unifying Decision Trees and Diffusion Models

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers unified decision trees and diffusion models through Global Trajectory Score Matching, revealing a shared optimization principle. This unification led to competitive results in tabular data generation and neural network distillation.

Mbodi AI (YC P25) Is Hiring Founding Machine Learning Engineer (Robotics)

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Mbodi is building an embodied AI platform that enables robots to learn and operate like humans using natural language. The company is seeking an engineer to develop and deploy cutting-edge ML models and agentic AI systems for robot learning and behavior.

Python JIT project was asked to pause development

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The CPython Steering Council is requesting a Standards Track PEP to formalize the JIT compiler's status. They ask that no new JIT development land on main until a PEP is accepted, with a six-month window for submission and resolution.

New method turns ocean water into drinking water, without waste

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Researchers at the University of Rochester developed a new solar-thermal desalination process that produces fresh water efficiently without leaving behind brine. The technology uses superwicking solar panels to extract nearly 100 percent of salts in solid form, potentially providing an abundant supply of table salt and precious minerals like lithium.

The intracies of modern camera lens repair (2024)

https://salvagedcircuitry.com/img/sigma-45mm/lg/20240307_114752.JPG
The user purchased a broken Sigma 45mm f/2.8 lens on eBay for a low price, but it had electrical issues and no electronic controls worked. The user successfully repaired the lens by replacing a blown fuse on the control PCB, which was likely caused by excessive current draw from the lens's motor controller.

Ask HN: Why is the HN crowd so anti-AI?

Software engineers are overemphasizing code quality, while users care about product functionality. AI-assisted development can deploy products faster, allowing for quicker iteration and improvement.

Ask HN: What was your "oh shit" moment with GenAI?

The user initially dismissed AI models like DALL-E and ChatGPT as parlor tricks but had a series of "Oh shit" moments as they realized the potential of these models to solve real problems and change their approach to development. These moments included using Claude code to generate a Zillow description, building a web tool to sort media files, and using AI to translate code and track down ...

Tribute to Jiro Yamada, Automotive Artist (1960-2025) [video]

Splash Is a Colour Format

https://www.todepond.com/lab/og.png
Each digit represents a different colour channel: red, green, and then blue. the restriction has made me more open to errors and it's totally fine. 900 has full red channel (9) and nothing in green (0) or blue (0). so in my theme, 00 is... off-black. so you can just use lookup table if you want. click here to download the theme - it's free to use and works

Pre-Modern Armies for Worldbuilders, Part I: Why They Fight

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To understand how military systems map onto societies, we need to consider factors such as whether the society is agrarian, whether it has a state, what kind of aristocracy it has, and how the peasantry and aristocracy relate to each other. The recruitment principle, which is the reason why individuals feel obligated to serve, can be based on entitlement, vocational, clientage, or employment ...

Social Cache Busting

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When interacting with public figures or others who often give canned responses, notice if you're getting a pre-prepared answer and try to ask a new or thought-provoking question to break the cache. This can lead to more interesting and original conversations.