London–Calcutta Bus Service

The London to Calcutta bus service was a 10,000-mile route that operated from 1957 to 1976, taking 50 days to complete each leg. It was discontinued due to geopolitical instability in the Middle East and offered an all-inclusive experience with modern facilities.

Kagi releases alpha version of Orion for Linux

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Advanced tab management is complete with session persistence and tab support in main and sidebar windows. Password management framework is established for secure handling and future improvements.

Mathematics for Computer Science (2018) [pdf]

Mathematical proofs are used to establish truth in various fields, including computer science, by providing a chain of logical deductions from axioms and previously proved statements. Proofs can be constructed using standard templates and techniques, such as the axiomatic method and the contrapositive.

Linux Runs on Raspberry Pi RP2350's Hazard3 RISC-V Cores (2024)

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Jesse Taube successfully booted a minimal Linux distribution on the Raspberry Pi Pico 2's RP2350 microcontroller using its open source RISC-V cores. The Linux distribution requires a specific version without an MMU and needs PSRAM expansion for it to work.

How wolves became dogs

Frederick the Great praised dogs as loyal friends in a selfish world. The Economist Group offers exclusive content and updates upon subscription.

When Kitty Litter Caused a Nuclear Catastrophe

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A nuclear waste container at the Waste Isolation Pilot Plant in New Mexico burst due to a chemical reaction caused by the wrong type of kitty litter. The incident led to a costly cleanup and raised concerns about the long-term safety of nuclear waste storage.

Sorted string tables (SST) from first principles

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Sorted String Tables (SSTs) are a data structure that stores data on disk in a sorted and immutable way, taking advantage of SSDs' spatial locality and binary search capabilities. SSTs can be used for various use cases, including key-value storage, sorted rows, and secondary indexes, and are used in several databases and storage systems, including Cassandra, ScyllaDB, and Clickhouse.

How to Code Claude Code in 200 Lines of Code

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AI coding assistants use a powerful LLM with a toolbox to execute tasks through a conversation loop. The LLM decides what to do and the code executes it, with the loop continuing until the LLM responds without requesting any tools.

Hacking a Casio F-91W digital watch (2023)

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The user modified a CASIO F-91W watch to enable contactless payments by adding an NFC antenna and a microchip, using various tools and devices such as the NanoVNA and Proxmark3. The user successfully tested the modified watch and plans to add features such as security enhancements and a second coil, while emphasizing the importance of responsible usage and ethical considerations.

Embassy: Modern embedded framework, using Rust and async

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Embassy is a next-generation framework for embedded applications that uses Rust to write safe, correct, and energy-efficient code faster. It provides async facilities, async/await, and hardware abstraction layers to simplify multitasking, networking, and low-power operations in embedded systems.

Samba Was Written (2003)

Request forbidden by administrative rules.

Sopro TTS: A 169M model with zero-shot voice cloning that runs on the CPU

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Sopro is a lightweight text-to-speech model trained on a single GPU with a low budget, achieving 0.25 RTF on CPU. It supports streaming, zero-shot voice cloning, and can be improved with better data and caching conv states.

What happened to WebAssembly

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WebAssembly is a language that provides efficient mappings of modern hardware, useful for bridging language gaps and improving performance. Its security guarantees and minimal attack surface make it suitable for running untrusted code, but its performance trade-offs may not be significant enough for most uses.

European Commission issues call for evidence on open source

The European Commission has opened a call for evidence to shape its European Open Digital Ecosystem Strategy, aiming to reduce EU dependence on non-EU software and promote open source solutions.

Bose has released API docs and opened the API for its EoL SoundTouch speakers

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Bose released API documentation for SoundTouch speakers, allowing users to create custom tools and features. The company also announced that AirPlay and Spotify Connect will still work after the speakers' end-of-life date.

Richard D. James aka Aphex Twin speaks to Tatsuya Takahashi (2017)

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Richard D. James interviews Tatsuya Takahashi about their collaboration on the Monologue, microtuning, and geometry. They discuss the importance of intuition and creativity in music, and how standards can be limiting in this context.

The Jeff Dean Facts

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Jeff Dean is a Google employee known for his exceptional programming skills, with jokes exaggerating his abilities. A collection of "Jeff Dean facts" preserves humorous anecdotes about his coding prowess.

Photographing the hidden world of slime mould

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Photographer Barry Webb captures close-up images of single-celled slime mould organisms using a high-powered macro lens. His work has won awards, including a people's choice award in the British photography awards.

Show HN: Executable Markdown files with Unix pipes

You created an open source tool to run markdown files like shell scripts using Claude Code, enabling Unix pipe semantics and tool use. This makes markdown files more auditable and composable, replacing Python glue code and traditional shell scripts.

The unreasonable effectiveness of the Fourier transform

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Talk recording available on YouTube, along with supporting materials like slides, Jupyter notebook, and code. Author welcomes feedback on the presentation and code.

AI coding assistants are getting worse?

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The user, a CEO of a predictive-analytics risk model provider, noticed a decline in AI coding assistants' quality, particularly with newer models like GPT-5, which often generate code that fails to perform as intended but appears to run successfully. The user believes this issue is caused by the models being trained on poor-quality data, including user-accepted code that lacks safety checks, ...

Replit founder Amjad Masad isn’t afraid of Silicon Valley

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Amjad Masad, a Palestinian tech founder, has spoken out about Gaza despite backlash in Silicon Valley, but his company Replit's AI boom has made it a multibillion-dollar success.

1ML for non-specialists: introduction

The user is writing a series of articles to help demystify the 1ML type system, which is a sophisticated syntactic sugar for System Fω, and provide a companion to Andreas Rossberg's technical papers. The user will cover topics such as inference rule notation, type systems, and implementation concerns, and provide insights into how to implement 1ML in a compiler.

Why I left iNaturalist

The user, a co-founder of iNaturalist, left the organization due to disagreements with the current Leadership team's direction and management style, citing a lack of empathy and effective decision-making. The user plans to continue working on natural history software and is open to hiring or collaboration, while also advocating for changes within iNaturalist, including a new Leadership team ...

Anthropic blocks third-party use of Claude Code subscriptions

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Description As of a few moments ago, usage of claude max stopped with the following error: I did try to reconnect, but got the same error. Plugins No response OpenCode version 1.1.8 Steps to reproduce No response Screenshot and/or share ...

Systematically Improving Espresso: Mathematical Modeling and Experiment (2020)

Mysterious Victorian-era shoes are washing up on a beach in Wales

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Hundreds of 19th-century black leather boots have washed up on a beach in southern Wales, mystifying residents. The boots are believed to have come from an Italian cargo vessel that sank nearby around 150 years ago.

Google AI Studio is now sponsoring Tailwind CSS

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Ushikuvirus: Newly discovered virus may offer clues to the origin of eukaryotes

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Scientists discovered a new giant virus, ushikuvirus, that infects amoeba and supports the nuclear virus origin hypothesis. This discovery may help understand the evolution of complex eukaryotic life and has potential implications for preventing amoebic infections.

Fixing a Buffer Overflow in Unix v4 Like It's 1973

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A buffer overflow bug was found in UNIX v4's su program, allowing an attacker to consume system resources. The bug was fixed by adding a bounds check to the password input loop using the ed text editor and recompiling the su program.