Decker, a platform that builds on the legacy of Hypercard and classic macOS

Decker is a multimedia platform for creating interactive documents with sound, images, and scripted behavior, available for web browsers and various operating systems. It features a simple and intuitive interface, a scripting language named Lil, and supports sharing and collaboration through web pages and source control tools.

It's not empowering to hand off the details

https://davidnicholaswilliams.com/image/davidnicholaswilliams_512.png
You're looking for a system to track key points and actions from meetings. Docket is a note-taking system that helps thinkers distill important information without relying on AI.

Plasma Tunnels Reveal How Dying Satellites Fall to Earth

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Researchers in Germany are melting satellite chunks in high-temperature plasma wind tunnels to study space debris reentry. Their tests reveal concerns about ozone depletion and atmospheric changes due to incinerated satellite ash.

Introduction to Data-Oriented Design [pdf]

We have proof automation now

The user discusses the benefits and challenges of dependently-typed languages like Lean, which can encode and enforce complex invariants, but require significant proof effort. They explore the potential of combining Lean with large language models (LLMs) to automate proof generation and make dependent types more practical for quotidian software engineering.

Design is compromise

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Compromise is a necessary part of decision making and design, where you prioritize one thing over another to achieve a balance between competing desires. Making difficult choices and being opinionated about tradeoffs is what defines good design and makes products exceptional.

Simulate cassette tape audio profiles using FFmpeg

https://raw.githubusercontent.com/AARomanov1985/Audio-Cassette-Simulation/master/assets/cassettes.jpeg
# Convert local audio files (mp3, ogg, m4a, aac) ./convert_cassette_*.sh # Record a live web stream into segment files ./record_stream_cassette_*.sh [STREAM_URL]

Htmx 4.0, the first JavaScript library to release exclusively on the Game Boy

https://imgproxy.fourthwall.dev/OXz1JISnUSNzMq3ZSDa53XiVmDMWaqcJ0CQkQBRdBV8/w:1920/sm:1/enc/EwYqh2EzXPAU7H04/BMXqquHCApkGKbGh/LoFc40D31bsD6gv4/lJ5EIYZduCxm8qAG/13LlpWyyziWbLs7D/Xi4TfM5SZiC5kSsq/f-tOQtISSQdUx14H/3kaNrBbOOijmZBov/fuUJOdCo4m-eyLcf/7A97CwuTeNBI_GsD/K81ThuM9c3cS1p--/oRP_PAY7b_W4O2kr/rRJzjKSc6clktadC/XRtwNg.webp
Four levels of pickle-collecting excitement. Squish client-side JS down to size, avoid slop and, if you have the skills, defeat Warren to unlock the htmx 4.0 source code! Quality is guaranteed. If there is a print error or visible quality issue, we'll replace or refund it. Because the products are made to order, we do not accept general returns or sizing-related returns.

Show HN: CheapSecurity – Lightweight, Self-Hosted CCTV for Linux SBCs

https://opengraph.githubassets.com/9cd973e59933bcac83b641420e24cb242c02559433bd32eeab141b4d682ddb4c/gmrandazzo/CheapSecurity
This project provides a lightweight, self-hosted CCTV solution for Linux-based devices and standard USB webcams, offering an affordable and privacy-focused alternative for home monitoring. It stores video data locally, eliminating the need for third-party cloud subscriptions and ensuring data remains under user control.

Teaching Kids Forth – Anna Liberty

https://gracefulliberty.com/articles/teaching-kids-forth/abacus.jpg
The author taught middle and high school students programming using the stack-oriented language Forth, despite its uncommon use, to give them a unique learning experience. The students created their own art in the Forth environment, demonstrating their understanding of the language.

How to Write English Prose

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The author discusses the beauty and complexity of English prose, particularly in the 17th century, and argues that the current trend of simplicity and minimalism has led to a decline in writing quality. He offers 12 rules for writers, emphasizing the importance of using precise and evocative language, avoiding clichés and over-simplification, and cultivating a sense of elegance and verbal cleverness.

Multiway Turing Machines (2021 pre-ai)

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The user discusses multiway Turing machines, which can exhibit complex behavior even with simple rules, and explores their universality threshold, suggesting it may be lower than for ordinary Turing machines. The user also discusses how multiway Turing machines can show nontrivial behavior even with a single head state, and proposes a possible explanation for this based on the merging of ...

Go Analysis Framework: modular static analysis by go team

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The Go analysis package provides a modular static analysis framework that allows developers to define and reuse analysis functions, known as checkers, which can be easily selected and incorporated into various driver programs. The framework includes a common interface, Analyzer, which describes an analysis function, and a Pass type that provides information to the analysis function and allows ...

The relay market powering token resellers and fraud

https://storage.googleapis.com/ployai/2eb2235a-6b78-4d32-9713-f051311d8809/user/4ab64ff4-daily-lottery.webp
The token economy has become a breeding ground for abuse, with a complex ecosystem of relays, account pools, and merchants that enable cheap tokens and model distillation, resulting in millions of dollars in losses for companies. To combat this, companies can raise the cost of entry, monitor for suspicious behavior, and throttle attackers quietly, but ultimately, fraud is a constant ...

Using ThinkPad T480 as a mobile phone

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A ThinkPad T480 can be converted into a mobile phone with calls, SMS, and data using a Quectel EG25-G modem and Libreboot firmware. This setup allows for Android app use with Waydroid and eliminates the need for a separate mobile phone.

I learned PCB design, 3D printing and C just to listen to music

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User built a streamer that resembles a vinyl sleeve, using a 17" industrial LCD and Radxa CM3 single-board computer. The device displays high-resolution artwork from AirPlay streams and can be powered via USB-C PD, consuming less than 2 watts when off.

The New AI Superpowers: Focus and Followthrough

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The author initially thought AI would make them underworked and burnout-free, but instead, they created more projects and experienced burnout. They learned to focus on a few key projects and deliver high-quality work by being ruthlessly focused and prioritizing what matters.

Jimothy the raccoon has a rare spinal condition. Here's what that means

https://www.popsci.com/wp-content/uploads/2026/07/Jimothy-the-raccoon.jpg?quality=85
Jimothy, a raccoon with short spine syndrome, has become an internet sensation due to his unique appearance and adaptability. Despite the condition, experts believe Jimothy can have a normal life, but the bigger risk is how people react to him, potentially habituating him to humans.
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The EU Commission proposed a solution to cookie banners, allowing users to set privacy preferences in their browser once, but the tracking industry is pushing back. Users can help by contacting their representatives in the European Parliament or national government to express their frustration.

What's Under Your Feet in New York City?

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New York City's underground infrastructure is a complex network of water, electrical, steam, gas, and telecommunications lines that provide essential services to its residents. The city's unique infrastructure is a result of its dense population and the need for reliable and efficient services, but it also poses significant engineering challenges and requires ongoing maintenance and upgrades.

Building the Grace Cathedral experience

https://blog.playcanvas.com/img/playcanvas.png
The Grace Cathedral experience is a browser-based, interactive 3D model built using the PlayCanvas Engine and SuperSplat tools, featuring high-quality Gaussian splats and real-time rendering. The experience uses WebGPU for faster rendering and a streamed SOG format for compact data, with features like on-demand rendering, resolution caps, and depth pre-pass occlusion to ensure smooth ...

GrapheneOS protections against data extraction from locked devices

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Using sed to make indexes for books (1997)

A sed script was created to convert a sorted file of index terms and page numbers into a format ready for printing, but it failed when encountering a line without a semicolon. The problem was fixed by adding a check at the beginning of the script to halt the process if any line is missing a semicolon.

Private mission launches to extend life of out-of-gas communication satellites

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How AST-grep Rewrote Tree-sitter in Rust and Made It 30% Faster

https://astgrep.com/image/blog/00-current-performance.svg
Rewriting Tree-sitter's C core in Rust using AI-assisted code generation led to a faster parser, but the initial implementation had issues with explainability and performance. Through a series of optimizations and refactoring, the team was able to improve the parser's performance, reduce memory usage, and make the code more maintainable, ultimately achieving a 22% faster end-to-end ...

Show HN: Infinite Jigsaw Game

A massively-multiplayer jigsaw puzzle on an infinite canvas. Place pieces together with everyone; each finished picture shrinks into the center of a larger one, forever.

Show HN: Reverse Minesweeper

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The game has five tiers: Basic, Easy, Medium, Hard, and Extreme, each with increasing difficulty and logic complexity. Grids are scored 0-100 based on their sub-metrics, with higher scores indicating harder puzzles and longer estimated solve times.

London Gatwick has launched a robotic airport parking service

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London Gatwick airport introduced robotic parking in partnership with Stanley Robotics, allowing passengers to leave their car in a secure storage area without handing over keys. The service eliminates parking hassle, gets passengers to the terminal quickly, and maximizes parking capacity.

Some more things about Django I've been enjoying

You're learning Django to build a website with an SQL database and backend rendering of HTML. You're finding it more achievable than using Go's standard library or Flask, and appreciate features like query set classes and template filters.

A shell colon does nothing. Use it anyway

A programmer is discussing how a single colon in a shell script can simplify code by discarding the result of a parameter expansion. This allows for a more concise and typo-reduced way of checking if a variable is set.