Leaving Meta and PyTorch

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Soumith Chintala is leaving Meta after 11 years and PyTorch after 8 years as its leader. He's confident that PyTorch is in good hands with a strong team and will continue to evolve.

A Fond Farewell from Farmers' Almanac

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The Farmers' Almanac will publish its final edition in 2026 after over 200 years of sharing weather, wit, and wisdom. Copies of the 2026 edition are available online and in local stores, with website access until December 2025.

You should write an agent

https://fly.io/blog/everyone-write-an-agent/assets/agents-cover.webp
The author argues that LLM agents are simple to implement and can be built with minimal code, making them accessible to anyone. They encourage readers to build their own agents to gain a deeper understanding of the technology.

Two billion email addresses were exposed

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A massive data breach containing 2 billion email addresses and 1.3 billion unique passwords has been processed and made searchable in HIBP. The breach is not a Gmail leak, but rather a collection of stolen credentials from various sources, with 80% of the data unrelated to Gmail.

Kimi K2 Thinking, a SOTA open-source trillion-parameter reasoning model

Jimmy Gary Jr is an actor who played CO Felix Rikerson on Orange is the New Black and Rudy Cox in the film By Dawn. He attended West Virginia University and had a brief NFL career as a running back for the Seattle Seahawks.

Photoroom (YC S20) Is Hiring a Senior AI Front End Engineer in Paris

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Photoroom is a remote-friendly company that offers a profitable AI photo editor with over 300 million downloads and 5+ billion image processing annually. They are looking for a senior frontend engineer to join their 10-person web team to architect scalable solutions and integrate cutting-edge AI features.

Scientists find ways to boost memory in aging brains

https://news.vt.edu/content/news_vt_edu/en/articles/2025/10/cals-jarome-improving-memory/_jcr_content/content/adaptiveimage.transform/m-medium/image.JPG
Researchers at Virginia Tech found that memory loss in older subjects is linked to specific molecular changes in the brain. By adjusting these processes, they improved memory in older rats, offering a potential path forward to treatments for Alzheimer's disease.

Game design is simple

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Game design involves creating problems that players can solve, and the key to making a good game is to create problems that are challenging but not too easy or too hard, with a clear goal and uncertain outcome. To design a game, you need to understand how to create a problem, provide feedback to the player, and structure the game to make it engaging and fun, while also considering the ...

Show HN: I scraped 3B Goodreads reviews to train a better recommendation model

Input books you've read and receive recommendations on what to read next from our model. Only books that meet a popularity threshold are included in the search results and generated recommendations. Less popular books can be used elsewhere on this site. Provide 3+ books for best results.

A Note on Fil-C

Fil-C is a memory-safety tool that adds instrumentation to clang for spatial and temporal safety. It has a modest performance overhead and is highly compatible with existing code.

We built a cloud GPU notebook that boots in seconds

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Modal Notebooks is a cloud Jupyter notebook that boots GPUs and custom images in seconds with real-time collaboration. It uses Modal Sandboxes, a secure isolated process with its own filesystem and resources, and a lazy-loading container filesystem for fast startup.

Analysis indicates that the universe’s expansion is not accelerating

https://ras.ac.uk/sites/default/files/styles/media_demo_full_cropped/public/2025-10/sn1994d.jpg?itok=uBUC-gAv
A new study suggests the universe's expansion may be slowing down rather than accelerating, contradicting the long-standing theory of dark energy. Researchers found that type Ia supernovae are affected by the age of their progenitor stars, leading to a revised understanding of the universe's expansion.

Open Source Implementation of Apple's Private Compute Cloud

https://opengraph.githubassets.com/8eea8a4368fb61cc4d46da1a8fb63fa36dd9c226ae943d895f14517abd10cac4/openpcc/openpcc
OpenPCC is an open-source framework for private AI inference with encrypted streaming and hardware attestation. It allows users to run AI models without exposing prompts or logs on their own infrastructure.

Dead Framework Theory

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React has become the platform due to LLMs preferring to output React code, creating a self-reinforcing cycle of adoption. New frameworks and platform features face significant hurdles in getting adopted by LLMs and developers, making it difficult to displace React in the short to medium term.

Swift on FreeBSD Preview

https://global.discourse-cdn.com/swift/original/1X/0a90dde98a223f5841eeca49d89dc9f57592e8d6.png
A preview Swift bundle for FreeBSD 14.3+ is available for testing, but it's still under development and has known issues. The bundle requires manual installation and may not work on all systems due to missing dependencies.

From web developer to database developer in 10 years

The user transitioned from a web developer to a database developer after 10 years, starting with educational projects and writing about them, and eventually joining EnterpriseDB to work on Postgres extensions. They found the experience of being an individual contributor after founding companies and managing engineering teams to be incredibly enjoyable and a great learning opportunity.

HTML Slides with notes

The user created a JavaScript code to switch between slides and notes in a presentation by using the BroadcastChannel API to communicate between windows and the nextElementSibling property to check for notes. The code uses keypress events to navigate and toggle between slide and note views, and can be minified to a small size while still being practical to use.

A prvalue is not a temporary

https://blog.knatten.org/wp-content/uploads/2023/01/cropped-2019bw-transparent.png?w=200
A prvalue isn't necessarily a temporary, it's an expression representing the idea of an object that materializes into a temporary when needed. Prvalues can be used to initialize objects directly without creating a temporary.

Cryptography 101 with Alfred Menezes

https://cryptography101.ca/wp-content/uploads/2025/07/Screenshot-2025-07-26-at-4.25.43-AM.png
An introduction to the LLL lattice basis reduction algorithm, one of the most powerful and versatile tools in cryptanalysis. An introduction to the core mathematics behind lattice-based cryptographic systems such as Kyber and Dilithium. I’ll present several case studies of how the fundamental cryptographic primitives are used to secure large-scale applications.

LLMs encode how difficult problems are

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers studied large language models' problem-solving abilities and found that human-labeled difficulty is strongly correlated with model performance, while automated difficulty estimates are weaker and misaligned as models improve. Steering models toward easier representations reduces hallucinations and improves accuracy.

Eating stinging nettles

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Stinging nettles are a nutritious food source rich in iron, calcium, and vitamins, with anti-inflammatory properties. They can be used in various dishes and are free to collect in Britain over summer.

FBI tries to unmask owner of archive.is

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Archive.today is a mysterious website allowing users to access previous web page snapshots, often used to bypass paywalls. The site's operators may face trouble due to a court order from the FBI demanding data about the site's customer.
https://dev.karltryggvason.com/how-i-analyzed-the-lineups-at-the-worlds-most-popular-nightclubs/chart.png
The user created a data visualization project called Clubster Analysis to explore the global dance music club scene using Resident Advisor data, analyzing club lineups and similarities between clubs. The project involved web scraping, data analysis, and interactive visualization using Python, Pandas, NetworkX, D3, and React, revealing insights into club bookings and resident artists.

The Geometry of Schemes [pdf]

The theory of schemes is a foundation for algebraic geometry formulated by Alexandre Grothendieck, allowing for flexible geometric arguments about infinitesimals and limits. It has led to solutions of many concrete problems, including the proof of the Weil conjectures and the Mordell Conjecture.

Mathematical exploration and discovery at scale

Researchers used AlphaEvolve to solve various math problems, achieving similar results to expert users and discovering new solutions. The tool's advantages include scale, robustness, and interpretability, but it struggled with certain areas of mathematics, such as analytic number theory.

Auraphone: A simple app to collect people's info at events

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Andrew Arrow is building Auraphone, a Bluetooth-based app to collect people's info at events, allowing users to share and collect contact info using their phones. The app is available in the iOS App Store and as an APK for Android, and is being tested at BLANKSPACES Culver City to gather user feedback.

Show HN: Dynamic code and feedback walkthroughs with your coding Agent in VSCode

The user is struggling to maintain a mental model of their product due to accelerating AI and coding development. They're creating a VS Code extension called Intraview to make code more accessible through visual tours.

GT – Experimental multiplexing tensor framework for distributed GPU computing

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GT is a project that rejects traditional lock-step ML paradigms, embracing dynamic scheduling and asynchronous execution. It presents a familiar frontend with GPU-aware instruction streams that can run anywhere.

Show HN: Ambient light sensor control of keyboard and screen brightness in Linux

https://opengraph.githubassets.com/0aff34d79d66a007df99297b9615a5009eb1446f56043a8824fea738da628d37/donjajo/als-led-backlight
This program takes in data from the Ambient Light Sensor if found present on your laptop, and automatically adjust the light and its intensity on your keyboard if detected. Currently, it reads config file from /etc/als-led-backlight.conf. You can adjust the base reading threshold with this configuration

I may have found a way to spot U.S. at-sea strikes before they're announced

User needs to register or sign in with developer credentials and ensure a unique User-Agent string to access the application. Alternatively, try resetting to default User-Agent or file a ticket for assistance.