Fran Sans – font inspired by San Francisco light rail displays

The article is about Fran Sans, a display font inspired by San Francisco's light rail vehicle destination displays. The font's creator, Emily Sneddon, aimed to capture the unique charm and utility of the original displays.

After my dad died, we found the love letters

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The writer's father was a traditional Chinese man who hid his true self and lived a miserable life, but he had a secret three-year relationship with a man named Edward, who he planned to leave his wife for. The writer discovers this after their father's death and meets Edward, who shares their story and photos of a happy life together.

Meta buried 'causal' evidence of social media harm, US court filings allege

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A monopoly ISP refuses to fix upstream infrastructure

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Xfinity customer experiences frequent 125-second outages, documented over 17 months, with a predictable schedule and pattern, affecting multiple devices and a neighbor on a different line. Despite providing detailed technical documentation, Xfinity refuses to investigate, citing equipment issues and leaving customers with no alternatives.

X's new country-of-origin feature reveals many 'US' accounts to be foreign-run

https://www.hindustantimes.com/ht-img/img/2025/11/23/550x309/X-OUTAGES--0_1763858923898_1763858955787.JPG
Elon Musk's X has introduced a feature showing account country of origin, revealing many US-based accounts are actually foreign-run. This has caused chaos online, with MAGA and Democrat circles accusing each other of being influenced by foreign entities.

Iowa City made its buses free. Traffic cleared, and so did the air

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Native Secure Enclave backed SSH keys on macOS

Court filings allege Meta downplayed risks to children and misled the public

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Meta allegedly tolerated sex trafficking on its platforms and had a high threshold for reporting such content. The company also resisted implementing safety features to protect young users, prioritizing growth and profits over their well-being.

Shaders: How to draw high fidelity graphics with just x and y coordinates

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µcad: New open source programming language that can generate 2D sketches and 3D

https://microcad.xyz/wp-content/uploads/2025/11/release-2.webp
Welcome to the website of µcad!Microcad (or µcad) is a new open source programming language that can generate 2D sketches and 3D objects.The project is still in its early stages, but µcad is becoming increasingly stable. New ideas are being added to the code every week.In this blog, we want to keep you up to date on the latest developments at µcad.

A Fast 64-Bit Date Algorithm (30–40% faster by counting dates backwards)

A new fast date conversion algorithm is presented, achieving a significant speed gain by counting years backwards and using a year-modulus-bitshift technique. The algorithm is accurate over a period of ±1.89 trillion years and uses only 4 multiplications, making it suitable for processing full UNIX 64-bit time.

Calculus for Mathematicians, Computer Scientists, and Physicists [pdf]

Calculus is a branch of mathematics that has been refined over centuries to solve various problems in physics and other fields. It has a theoretical foundation that allows us to speak of the infinitely large and infinitely small, and is guided by aesthetics and logical consistency.

Three Years from GPT-3 to Gemini 3

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The author tested Google's Gemini 3 model and found it to be very good at coding and general tasks. It can work with code to do anything on a computer, making it a general-purpose tool.

Racket v9.0

Racket 9.0 introduces Parallel Threads, a major addition to the language, and supports parallel threads with features like thread-wait and black-box wrapper. The release also includes AArch64 package distribution and improved syntax tracking.

We stopped roadmap work for a week and fixed bugs

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The author's company has a quarterly "fixit" week where 40 software engineers stop regular work to fix small bugs and improve developer productivity. This week-long event boosts team spirit and product quality.

1M Downloads of Zorin OS 18

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Zorin OS 18 has broken records with 1 million downloads in over a month, mostly from Windows users. The OS is praised for its polish and ease of use, making it a great choice for ex-Windows users.

Surprisingly, Emacs on Android is pretty good

The user set up Emacs on their Android device, using Termux to access CLI tools, and customized the interface for touchscreen use. They also installed a virtual keyboard for easier typing and set up Syncthing to share notes across devices.

Are consumers just tech debt to Microsoft?

Microsoft's lack of consumer focus and recent Windows updates may lead to a decline in Windows market share. Affordable MacBooks and Linux-based gaming options could potentially shift consumer preferences.

73% of AI startups are just prompt engineering

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The author shares a story of AI startup ecosystem issues, where companies claim proprietary infrastructure but use third-party APIs like OpenAI. The author questions the legitimacy of some startups and suggests honest reporting to the FTC.

GCC SC approves inclusion of Algol 68 Front End

The GCC Steering Committee agreed to include the Algol 68 Front End in trunk as experimental with certain stipulations. Jose E. Marchesi was appointed as the Algol 68 front end maintainer to ensure its continued development.

Unusual circuits in the Intel 386's standard cell logic

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The Intel 386 processor used standard cell logic to create its complex circuitry, allowing for faster design and manufacturing. The 386's standard cell circuitry contains multiplexers, inverters, and other logic elements, with some cells being used in unexpected ways.

"Good engineering management" is a fad

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The ideal leadership skills for engineering managers change with the business environment, and current morality tales about leadership are often driven by business realities rather than complex moral changes. To be effective across fads, engineering managers should focus on developing eight foundational skills: execution, team, ownership, alignment, taste, clarity, navigating ambiguity, and ...

Google Revisits JPEG XL in Chromium After Earlier Removal

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Google is restarting work on JPEG XL support in Chrome after years of inactivity, aiming for a secure and long-term integration. A developer has submitted new code that reintroduces JPEG XL with animation support, but it remains under review.

MCP Apps: Extending servers with interactive user interfaces

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The MCP Apps Extension proposes a standardized pattern for interactive user interfaces in the Model Context Protocol, addressing a long-requested feature from the MCP community. This extension aims to improve user experience and prevent ecosystem fragmentation by enabling bidirectional communication between AI models and users.

NTSB report: Decryption of images from the Titan submersible camera [pdf] (2024)

The camera's SD card was found to be encrypted and contained images and videos from May 5 and 16, 2023, but not from the accident dive on May 23, 2023. The camera's NVRAM chip was successfully read using a UFS reader, but the key for the SD card was likely hidden in files generated by the CPU chip manufacturer.

Editing Code in Emacs

The author discusses efficient text editing practices in Emacs, focusing on minimizing keystrokes and using modal editing to move around the document. Keybindings and commands are explained, including moving by sexps, searching, and using registers to jump between locations.

Silicon Valley startups: being evil, again and again

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Silicon Valley's startup culture claims to change the world for the better but is deeply unethical, institutionalizing theft on a global scale.

Several core problems with Rust

The author criticizes Rust for its slow compilation speed, complexity, and lack of practicality. They argue that Rust's focus on memory safety comes at the cost of reliability and developer sanity.

Mount Proton Drive on Linux using rclone and systemd

https://opengraph.githubassets.com/26e2c613cff4b788dfe07bdefbb76acfd56ab710bc150ce7a3b3ee8b07216280/dadtronics/protondrive-linux
This guide automates the process of mounting Proton Drive on a Linux system using rclone and systemd. curl -O https://downloads.rclone.org/rclone-current-linux-amd64.zip unzip rclone-current-linux-amd64.zip cd rclone-*-linux-amd64 sudo cp rclone /usr/local/bin/ sudo chmod +x /usr/local/bin/rclone If the script added you to the fuse group, you must log out and back in for the change to take effect.

An Economy of AI Agents

https://arxiv.org/static/browse/0.3.4/images/icons/smileybones-pixel.png
Artificially intelligent agents may be deployed across the economy in the next decade with little human oversight. Economists need to consider how AI agents interact with humans and markets.

G0-G3 corners, visualised: learn what "Apple corners" are

The owner of this website (www.printables.com) has banned the autonomous system number (ASN) your IP address is in (8075) from accessing this website.

Ask HN: Good resources to learn financial systems engineering?

You work in energy market communications and systems, seeking to improve processing times by learning from financial systems engineering. You recommend exploring ledgering, FIX protocol, and TigerBeetle's documentation for insights.

Show HN: I wrote a minimal memory allocator in C

https://opengraph.githubassets.com/c011fb1d63c4033608b6acf8a0d5eefd47ef5c58acd551b9ff59831d9edcedce/t9nzin/memory
This project implements a memory allocator using sbrk and mmap with optimizations like block splitting and coalescing, but it's not thread-safe. It's designed for POSIX-compliant systems like Linux and macOS.

Germany to classify date rape drugs as weapons to ensure justice for survivors

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Germany plans to treat date rape drugs as weapons in prosecutions to ensure justice for survivors of domestic violence and sexual assault. The government aims to provide stricter punishments and better support for victims through new laws and technologies.

Apple to focus on 'quality and underlying performance' with iOS 27 next year

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Apple is focusing on software quality in iOS 27, aiming to improve performance and eliminate bugs. The update will include new AI features, such as an AI health agent and AI-powered web search, while simplifying the codebase.
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Labubus, a popular toy, rose to fame in 2024-2025 but quickly declined in popularity due to over-saturation. The internet's decentralized nature has led to a diverse array of trends, making it a more unified and multicultural place.

Signal knows who you're talking to (2023)

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You explained how Signal's Sealed Sender feature is supposed to provide one-way anonymity but is actually useless due to IP address tracking. Signal can figure out who's talking to who even with Sealed Sender because it knows the sender's IP address.

Dark Mode Sucks

Internet users should stop obsessing over dark mode and instead address poor ambient lighting, which can cause eye strain. Dark mode won't save you from eye damage, fix your lighting instead.

A desktop app for isolated, parallel agentic development

https://raw.githubusercontent.com/coder/mux/main/docs/img/logo.webp
Mux is a powerful AI tool with features like Plan/Exec mode and vim inputs, but it's still in a Preview state with bugs and performance issues. It's free software under the GNU Affero General Public License, suitable for complex issues and development.

Indie, alone, and figuring it out

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Going indie offers freedom but also loneliness, pressure, and constant decision-making. It's a demanding yet rewarding experience that requires handling multiple roles and responsibilities.

SVG.js v3.2

https://svgjs.dev/docs/3.2/assets/images/logo-svg-js-01d.png
SVG.js is a lightweight JavaScript library for creating and manipulating SVGs with a concise syntax. It provides fast and easy-to-read code for SVG creation and manipulation.

Show HN: Safe-NPM – only install packages that are +90 days old

https://opengraph.githubassets.com/abce769e44e7aa847130a2e11426311a3cfd09f18010c483d33e4637926fdc07/kevinslin/safe-npm
safe-npm protects against supply chain attacks by only installing package versions at least 90 days old. It trades off bleeding-edge updates for security, one layer in a defense-in-depth strategy.

Particle Life

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Discover Particle Life, an interactive and educational particle simulator to understand physical phenomena and particle system dynamics.

A cryptography research body held an election and they can't decrypt the results

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ISPs more likely to throttle netizens who connect through CG-NAT: Cloudflare

https://regmedia.co.uk/2025/09/01/shutterstock_global_networks.jpg
Cloudflare research found that Carrier-Grade NAT (CGNAT) is used more in Africa and Asia, causing biases in internet traffic and user experience. CGNAT's operational fallout can lead to innocent users being throttled or blocked due to a single user's malicious activity.

How to make precise sheet metal parts (photochemical machining) [video]

A year without caffeine (2013)

68.220.61.208

UK minister ducks cost questions on nationwide digital ID scheme

https://regmedia.co.uk/2019/01/28/shutterstock_parliament.jpg?x=174&y=115&crop=1
UK digital ID plans cost not disclosed, minister says budget will be determined after consultation. Departments will contribute to costs, but exact figure and funding uncertain.

Gnome is better macOS than macOS

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The user, a long-time Linux user, recently bought a MacBook to use for media-related tasks but is extremely dissatisfied with macOS, citing numerous usability issues and design flaws. Despite being a fan of some macOS features, the user finds the operating system to be counter-intuitive, user-unfriendly, and confusing, and prefers the functionality of their Linux desktop environment, GNOME.

JOPA: Java compiler in C++, Jikes modernized to Java 6 with Claude

https://opengraph.githubassets.com/3901030e1f15d6ab0516c6dba12324bda64327529dd4fa0f7a5255c1e358adde/7mind/jopa
This fork adds Java 5 and 6 features and uses CMake for building. It includes Jikes, a Java compiler written from scratch by IBM researchers in 1996.

Bytes before FLOPS: your algorithm is (mostly) fine, your data isn't

The author shares their experience in optimizing performance by focusing on data, including visualizing data flow, transforming suboptimal data, and specializing algorithms to suit specific data. Key techniques include reducing data access, using streaming non-temporal writes, compressing types, and vectorizing algorithms, which can lead to significant speedups.

Meet the AI workers who tell their friends and family to stay away from AI

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AI workers like Krista Pawloski and Brook Hansen distrust generative AI due to its potential to spread false information and prioritize speed over quality. They urge people to use AI cautiously and educate themselves on its limitations to avoid being misled.

Demand for UK Food Bank Up 15% Year on Year

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A Kent mother struggles to meet her family's needs on benefits, relying on a local food bank for essentials. The charity's demand has increased 15% year on year, with rising food prices and donations decreasing.

Thiel, Karp, Ellison, Catz, Bezos, Lessin appear in newly leaked Israel emails

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Israeli officials, including former Prime Minister Ehud Barak and U.N. ambassador Ron Prosor, sought to connect with Silicon Valley tech leaders, including Peter Thiel and Palantir CEO Alex Karp, to gain access to their companies and influence national security policies. The leaked emails reveal a close relationship between Israeli officials and Silicon Valley tech giants, with companies like ...

X.com is gonna snitch you out to the public if you use a VPN

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X will show a warning on users' profiles if they use a VPN to hide their location. This move has been criticized by online security advocates as a thinly veiled attempt to out VPN users.

Inmates at a Mississippi jail were ordered to do the guards' bidding

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Claude Status – Elevated error rates on the API

We are currently investigating reports of the Claude API experiencing higher than normal failure rates. Our team is actively working to identify the root cause.

Sunsetting Supermaven

We recommend existing VS Code users migrate to Cursor Tab for improved autocomplete. Existing Neovim and JetBrains customers will continue to get free autocomplete inference.

Maybe that's not liquid water on Mars after all

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Top MAGA Influencers on X/Twitter Accidentally Unmasked as Foreign Trolls

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Elon Musk's X site revealed many top MAGA influencers are foreign actors. The "About This Account" feature exposed dozens of major accounts as originating in Russia, India, and Nigeria.

Raycast for Windows

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Raycast for Windows is now in public beta, offering a faster and more intuitive way to search files, apps, and more with a familiar design and keyboard shortcuts. The app comes with extensions, AI-powered search, and a custom indexer for instant results, with more features and updates to come.

Tosijs-schema is a super lightweight schema-first LLM-native JSON schema library

tosijs-schema is a TypeScript/Javascript library for generating a standards-compliant source of truth for data types. It uses a clean, property-based syntax and supports metadata for generating rich API documentation.

Scoop: Judge Caught Using AI to Read His Court Decisions

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Immigration Judge John P. Burns uses AI to generate audio recordings of his courtroom decisions in New York. This raises concerns about transparency and accountability in the immigration court system.

Making my 1970's-style renderer multi-threaded

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The author implemented a software 3D renderer in Dart for a 2D game with a retro 3D aesthetic, using Canvas.drawVertices and TypedData to optimize performance. To further improve performance, the author used shared mutable memory between isolates to enable concurrent rendering, resulting in a 20% improvement in frame time on a powerful device.

The Definitive Classic Mac Pro (2006-2012) Upgrade Guide

https://blog.greggant.com/images/posts/2018-05-01-macpro/header.jpg
The author of a guide for upgrading classic Mac Pros is now accepting Patreon supporters and thanking Quin's Tech Corner for being the first supporter. The guide is a roadmap to primary sources for upgrading classic Mac Pros, covering OS, Firmware, GPU, CPU, Storage, USB, and Network upgrades, and has been continuously updated for over four years.

Debian Extended Long Term Support

Freexian's ELTS extends Debian releases to 10 years with 5 additional years of support. It offers security updates for subscribed organizations and individuals, with current support for Debian 9 and 10.

Giving the Jakks Atari Paddle a Spin

https://nicole.express/assets/img/paddle/paddle.jpeg
The Atari Paddle is a plug-and-play console released in 2004 that combines paddle games with the Atari 2600, but it's not running original Atari 2600 hardware. It uses a Winbond W55x-family microcontroller with partial emulation of the 65C816 CPU.

Designing a Mechanical Calculator

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The user designed a modular mechanical calculator with a simple design, but encountered several challenges, including gear misalignment and slipping. They eventually created a working version using involute gears and a new fastening system with rotating pegs.

Rust Isn't the Future of Systems Programming – It's Just the Hype Cycle

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Rust is a powerful tool for systems programming, but its steep learning curve, long compile times, and complex abstractions may prevent mass adoption. It's likely to carve out a niche in high-risk domains like OS kernels and blockchain rather than replace C or C++.

Gordon Bell finalist team pushes scale of rocket simulation on El Capitan

https://contenthub.llnl.gov/sites/contenthub/files/styles/scaled_877w/public/2025-11/External_Rocket_1280x720.jpg?itok=YWvHvL6q
Researchers used El Capitan to perform the largest fluid dynamics simulation ever, surpassing one quadrillion degrees of freedom. The simulation focused on rocket-rocket plume interactions and achieved a new benchmark for exascale CFD performance and memory efficiency.

A Nicotine Analogue I Had Known and Didn't Love: 6-Methylnicotine

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The writer tried 6-Methylnicotine, a nicotine analogue, for cognitive enhancement but found it less effective than regular nicotine. It had a smoother experience with less physical side effects but felt "flatter" and less stimulating.

Host a website from an old phone using PostmarketOS

We aim to reduce e-waste by giving a second life to forgotten devices and encourage reuse. Follow the tutorial to set up a local digital garden on your device.

Experimenting with Robin Hood Hashing

https://twdev.blog/2025/11/robin_hood/images/debug_access.png
User implemented Robin Hood hashing for a hash table and compared it to unordered_map, finding a 2x performance advantage. The implementation's performance is influenced by CPU cache and data locality, making it viable for lookup caches.

Gemini 3 Just Made Larry Page Third Richest Man

Google co-founder Larry Page is now the planet’s third-wealthiest person, vaulting past Amazon’s Jeff Bezos after Alphabet shares jumped 3 % on enthusiasm for

Generalizing Printf in C

The user discusses generalizing printf functions into one function that constructs and outputs a formatted string, but notes that this is a harder problem due to the need to handle different output methods and the volatility of function pointers. A possible solution is to use a void pointer to keep track of state and implement vsnprintf, sprintf, and snprintf with a few lines of boilerplate code.

A lightweight code editor with Vim mode, Git integration, and more

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NSA and IETF, Part 2

The NSA is trying to influence IETF to standardize a weakened post-quantum cryptography specification, despite security concerns and a lack of balance of interests in the decision-making process. The IETF's current procedures allow biased groups to make decisions, and the organization has been accused of being a "pay-to-play" standards organization, where companies and individuals with ...

I Let Claude Build My Home Network: Two ISPs Bonded, $312/Year Saved

https://jonathanclark.com/images/bonded-connection/hero-diagram.jpg
User had unreliable Xfinity internet and tried T-Mobile data sharing but it was unusable. They downgraded Xfinity and added AT&T Copper as a second line.

A Camera of Miroslav Tichý

https://artblart.com/wp-content/uploads/2010/05/camera1.jpg
Czech artist Miroslav Tichý created unique photographs of women in his hometown using homemade cameras. His work is described as idiosyncratic, voyeuristic, and poetic, capturing everyday moments with a sense of exceptionality.