Karpathy’s Pelican

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Opus 5 generated 5500 lines of code to procedurally render the Lord of the Rings story with a 1M token budget. This example showcases LLMs' potential for creating hyper-custom worlds, but also highlights their limitations in auditing and perceiving multimodal content.

Show HN: Kakehashi – Experimental userspace to run macOS binaries on Linux ARM

https://opengraph.githubassets.com/3b6b6a3100120122dc8fff0c8b450edb077cd334acfc336347099211a8e6825d/wie-project/kakehashi
Kakehashi is a tool that runs Darwin CLI tools natively on Linux aarch64 by translating BSD syscalls and mapping a freestanding libSystem. It aims to provide a cost-effective alternative to running Darwin tools on macOS, with a focus on correctness and performance, and is suitable for use in CI environments.

SwiftUI After 7 Years: A Story of Mediocrity

Developers are attached to tools because tools encode trust

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Developers are struggling to trust AI tools due to their unpredictability and lack of transparency, which can lead to broken processes and decreased productivity. To build trust, teams need to establish a more deliberate and explicitly-defined workflow that preserves human judgment and provides the right context for AI agents.

How the words we teach English language learners changed

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The General Service List (1953) and the New General Service List (2023) track changes in everyday English vocabulary, showing a shift from tangible, physical words to abstract concepts and ideas. The 2023 list reflects a more systemic, connected world, with words like mortgage, corporation, and climate, and a greater emphasis on precision and abstract thinking.

Show HN: NixOS-DGX-Spark – Nix and NixOS on the DGX Spark

https://opengraph.githubassets.com/77af5588fe889e611a7fd7ca311297cf64e3a38a055dc6c0be56113da6d2efb6/graham33/nixos-dgx-spark
To use Nix on DGX Spark, you can either use DGX Spark playbooks with Nix on DGX OS or install NixOS with the DGX Spark module.

Harvesting SSH Credentials: Insights from My Honeypot Network

https://uphillsecurity.com/images/honeypot-map-2026-07.png
The user has been working on a honeypot network for 30 days using Python and Paramiko for SSH handling, gathering logs locally and fetching additional information with ipgeolocation.io. The project is still in progress and the user is open to feedback and ideas for future development, with plans to share it in a Git repository.

Twenty Years of RISC OS Open

RISC OS Open Ltd was founded in 2006 with the goal of opening up the proprietary operating system to the community. Over the past 20 years, the community has contributed significantly to the OS's development, resulting in a much healthier and improved RISC OS today.

F*: A general-purpose proof-oriented programming language

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F* is a programming language that combines dependent types and multi-monadic effects for formal verification and proof-oriented programming. It has been applied in various fields including security, cryptography, and systems.

Microsoft raises Xbox prices by up to 43%

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Microsoft is increasing Xbox prices in the EU and UK by up to €200 or £170 due to storage and RAM price hikes. The 1TB Xbox Series X will now cost £669.99 / €799.99, a 30% increase from its previous price.

Meshdiff – visually compare two STL versions in the browser, client-side

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Meshdiff compares two versions of a 3D model and shows exactly what changed: added material, removed material, and dimensional drift. Free, in-browser voxel and surface-heatmap diffing for STL, 3MF, and OBJ files — nothing is uploaded.

When transit passes were designed by hand (2022)

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The Milwaukee Electric Railway & Light Company produced colorful transit passes from 1930s to 1960s with unique hand lettering and designs. About 300 of these passes are now in the Archive's collection, showcasing the city's commitment to civic design and visual appeal.

Fasttracker II clone in C using SDL 2

Fasttracker II is a music tracker software developed by Fredrik Huss in 1994, allowing users to create and edit music files. Your FT2 clone is a portable version written in C using SDL 2, available for download on GitHub.

Folding Paper Globes

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Free print-ready folding paper globe templates: the Moon, Mars, Earth at night, and more. Download, print, cut, fold, glue.

Show HN: Bor – Open-source policy management for Linux desktops

https://getbor.dev/images/screenshots/policies-list.2bf4959e0cf643c29838b9d391fee829.png
Bor v0.8.0 adds new policy types for Thunderbird, Microsoft Edge, and Firewalld zones, alongside a web UI overhaul and security hardening. It also includes finer-grained RBAC, tamper protection, and accessibility improvements.

Turtle-inspired interactive Python project

The website is temporarily blocked due to security reasons after a suspicious action was detected. Please email the site owner with the Cloudflare Ray ID and details of the action that triggered the block.

Show HN: Fuse – statically typed functional programming language

https://fuselang.org/fuse-icon_hu_db4cf4be1a7fd488.png
Fuse is a functional programming language with System F type system, algebraic data types, and generics for domain modeling. It features pure functions, pattern matching, and do notation for expressive code, with type inference and whole-program optimization for fast binaries.

Artificial Intelligence: Ars Notoria and the Promise of Instant Knowledge

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The Ars notoria is a medieval manuscript that promised to fast-track advanced learning through magical rituals and diagrams, but was condemned by church authorities as demonic. Despite this, the text remained popular and was translated into various languages, including English, and continued to be used and edited throughout the Middle Ages and Renaissance.

Great Question (YC W21) Is Hiring Senior Demand Gen Manager

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Great Question is hiring a Demand Generation Manager to own SQL attainment, channel strategy, and execution at scale using AI and automation. The ideal candidate has 5-8 years of B2B demand generation experience, is AI-native, and can build repeatable demand programs across multiple acquisition channels.

Go 1.27 Interactive Tour

https://victoriametrics.com/blog/go-1-27/preview.webp
Go 1.27 introduces several new features, including generic methods, improved struct literals, and broader type inference, as well as performance improvements like size-specialized allocation and an experimental SIMD package. Other notable additions include a standard UUID package, a json/v2 package, and various testing and quality-of-life improvements.

Norway Salmon

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Norway's salmon farming industry has grown into a global behemoth, but it's facing ecological and ethical concerns due to pollution and poor fish welfare. The industry is now grappling with the consequences of its success, including declining oxygen levels and increased disease in fish.

Show HN: I'm a 15 Year Old Wannabe Engineer, This Is a Cycloidal Gearbox I Built

https://raw.githubusercontent.com/tom-ilan/cycloidal_gearbox/main/media/full_assembly.png
The user built a cycloidal gearbox with a 1:9 gear ratio to test a Python generator, but it failed due to tight tolerances. The design was improved in Version 3 with MR128 bearings and M2 screws for higher efficiency and torque output.

Rust All Hands 2026 Retrospective

https://blog.rust-lang.org/inside-rust/2026/07/31/all-hands-2026-retrospective/allhands.jpeg
166 Rustaceans gathered in Utrecht for the Rust All Hands in May 2026, discussing Rust's future, resolving blockers, and building connections. The event was part of RustWeek and included the RustWeek Unconference, with 73 sessions across 3 days, focusing on governance, evolution, and interoperability.

Holocloth

Pushes to arch AUR are suspendended right now.

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Package adoption and pushes are temporarily disabled due to malicious activity on the AUR. Report suspicious events and stay vigilant until further notice.

Diátaxis

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Diátaxis is a systematic approach to documentation that identifies four needs and forms of documentation: tutorials, how-to guides, technical reference, and explanation. It helps maintainers think effectively about their work and has been successfully adopted in hundreds of documentation projects.

MkLinux and the pimped-out Apple Workgroup Server 9150

Google detected unusual traffic from your network possibly due to malicious software or automated requests. Solving the CAPTCHA will let you continue using their services.

A Rant About “Technology” (2005)

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The author argues that science fiction inherently involves technology, not just complex high-tech devices, but also everyday tools and skills. They claim that their own work, often misunderstood as lacking technology, actually explores the technological aspects of societies and cultures.

ESP32-C3 SuperMini antenna modification

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A user modified the ESP32-C3 SuperMini module's antenna to improve WiFi performance. The modification involved adding a 31mm length of 1mm silver-plated wire, creating a quarter-wavelength antenna that improved signal strength by 6-10dB.