US tobacco firms applied tobacco strategies to globalize ultra-processed foods

To resolve the security verification issue, check if your internet or firewall settings have blocked "challenges.cloudflare.com". Adjust your settings or try a different network if necessary.

Tracing a powerful GNSS interference source over Europe

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
A space-based GNSS interference source has caused widespread interference in Europe, Greenland, and Canada since 2019. The source was identified as a constellation of Russian early warning satellites in Molniya orbits.

Programmers will document for Claude, but not for each other

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The user creates a handoff document for Claude to maintain project knowledge, but now commits it to the repository for future reference. This helps others learn from past projects and ensures accurate documentation.

Redis 8.8: New array data structure, rate limiter, performance improvements

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Redis 8.8 introduces several new features including arrays, window counter rate limiters, message NACKing, subkey notifications for hash fields, explicit control over JSON numeric array storage, and multiple aggregators in a single time series query. These features improve performance, flexibility, and efficiency for various use cases such as rate limiting, stream processing, and analytics, ...

Mouseless – keyboard-driven control of macOS/Linux/Windows

https://mouseless.click/img/social_icons/tux.svg
Mouseless allows for quick cursor control by typing coordinates, reducing strain and pain from repetitive mouse clicks. It provides an efficient solution for effortless cursor control, suitable for those who can't use mice.

Changing How We Develop Ladybird

Ladybird is moving to a tighter development process with only project maintainers introducing code changes. This change is necessary to ensure security and accountability as the project prepares for its first alpha release.

Entanglement Builds Space-Time. Now "Magic" Gives It Gravity

https://www.quantamagazine.org/wp-content/uploads/2026/06/Detail-apple.webp
Physicists have found a way to describe how space and matter interact in a quantum universe. They used a new code that incorporates "magic" from non-Clifford gates to make space bend and interact with matter.

databow: a Rust CLI to query any database with an ADBC driver

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Databow is a new open source command-line tool for querying databases with ADBC drivers. It provides a unified interface for SQL systems across the data stack with fast queries and a small footprint.

Nango (YC W23, dev infra) is hiring staff back end engineers

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From DevExp to high scale to API fragmentation, we work on hard problems.

Fine-tuning an LLM to write docs like it's 1995

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The user fine-tuned LLMs to write like 90s tech writers using Microsoft manuals and achieved convincing results. Fine-tuning is a cost-effective way to adapt models to specific styles, but requires high-quality training data and careful parameter selection.

Meta enables ADB on deprecated Portal devices [video]

See posts, photos and more on Facebook.

ESP32 Bit Pirate, a Hardware Hacking Tool with WebCLI That Speaks Every Protocol

https://raw.githubusercontent.com/geo-tp/ESP32-Bit-Pirate/pioarduino/images/bit_pirate_uart.gif
ESP32 Bit Pirate is an open-source firmware for multi-protocol hacking and debugging. It supports various digital and radio protocols via serial terminal or web-based CLI.

Leap in DNA synthesis slashes time to build new genetic sequences

https://spectrum.ieee.org/media-library/3d-holographic-illustration-of-dna-helixes.jpg?id=66745351&width=1200&height=900
Scientists have developed a new method called Sidewinder that can assemble dozens of genetic sequences simultaneously with high precision, far surpassing conventional methods. This breakthrough promises to unlock the potential of generative AI in biology by enabling fast, affordable, and accurate physical construction of novel genetic sequences.

Anthropic's open-source framework for AI-powered vulnerability discovery

https://opengraph.githubassets.com/302e26ce5e3a285c560d0c018fc6df7677c5c594df5180a71cfe26ccf02ff69c/anthropics/defending-code-reference-harness
This is a reference implementation for autonomous vulnerability discovery and remediation using Claude, which includes a lightweight SDK-only walkthrough and a managed option called Claude Security. The implementation provides a step-by-step guide to building a vulnerability finding pipeline, customizing the logic, and using it with various access to Claude APIs.

C++: The Documentary

https://herbsutter.com/wp-content/uploads/2024/03/herb-cppcon-2021.jpg?w=300
C++: The Documentary premiered on YouTube, showcasing the language's 40-year success story. Key figures like Bjarne, Andrew Koenig, and Herb Sutter contributed to C++'s growth.

The IsUpMap lets you check the status of over 100 major sites at once

https://isupmap.com/images/sponsor/stashsync-app/logo.png
Real-time up/down status heatmap for 80+ popular internet services. See which services are up, degraded, or down — right now.

Show HN: Lowfat – pluggable CLI filter that saved 91.8% of my LLM tokens

https://raw.githubusercontent.com/zdk/lowfat/main/docs/demo.gif
lowfat is a CLI tool that filters unnecessary output to reduce AI token costs. It integrates with shells, allows customization, and provides features like stats and plugin management.

I'm skeptical about efforts to revolutionize schooling

https://www.scotthyoung.com/blog/wp-content/uploads/2026/05/Revolutionizing-education.jpg
The author, who wrote the book Ultralearning, is skeptical of dramatic proposals to reform schools because research consistently shows that direct instruction and practice are the most effective teaching methods. He believes that schools should focus on increasing efficiency and choosing what to learn, rather than trying to make education more like play or using technology to gamify learning.

Communication on European Tech Sovereignty, and an EU Open-Source Strategy

https://digital-strategy.ec.europa.eu/sites/default/files/styles/newsroom_large/public/newsroom/items/AdobeStock_1129087362SP_Da_360x240px_kHXxPnqWIV0nzCu0qDFMv6gN4_236336.jpg?itok=gW1aPWqQ
The Commission proposes a comprehensive strategy for technological sovereignty through interconnected initiatives across the value chain. Key acts include Chips Act 2.0 and Cloud and AI Development Act to boost domestic demand and unlock AI potential.

At the Autograph Show

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The writer's mother, Tatum O'Neal, is a celebrity struggling with addiction and has had a stroke, but is now relatively reliable and accountable. The writer is learning to set boundaries and say no to their mother's demands.

Open Code Review – An AI-powered code review CLI tool

https://raw.githubusercontent.com/alibaba/open-code-review/main/imgs/logo.svg
Open Code Review is an AI-powered code review CLI tool that identifies code defects and generates structured review comments. It combines deterministic engineering with an agent for precise file selection and smart file bundling.

Do transformers need three projections? Systematic study of QKV variants

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers evaluated three projection sharing constraints in transformers, finding that sharing query, key, and value projections (Q-K=V) achieves comparable or better performance with 50% cache reduction in language modeling. This approach is complementary to head sharing, enabling up to 96.9% cache reduction for practical on-device inference.

Ohbin – uv wrapper for installing tools from GitHub

https://opengraph.githubassets.com/bca60cdd94aad51ed20365cdc7a891808a5346f686389c2c0a2c521088e61770/prostomarkeloff/ohbin
ohbin is a tool that downloads and verifies GitHub release binaries, caching them for reuse. It uses a single engine to manage multiple tools.

Watching a Z80 from an RP2350

You're experimenting with connecting a Raspberry Pi Pico RP2350 to a Z80 CPU and exploring its address and data bus. The minimum clock speed possible for the Z80 is around 5KHz, and you're looking to implement a bus read using the Pico C/C++ SDK functions.

Branchless Quicksort faster than std:sort and pdqsort with C and C++ API

Blqsort is a fast sorting algorithm that uses branchless partitioning and custom sorting networks for small subsets. It can be used in C++ and C with multithreading support and is suitable for sorting custom data structures.

SpaceX, Other Mega IPOs Denied Fast Index Entry by S&P

Bloomberg's S&P Dow Jones Indices will keep existing eligibility requirements for main benchmarks. It rejects proposals to make it easier for large companies to join the S&P 500 Index after going public.

Delacroix's Entry of the Crusaders into Constantinople Restored

https://api-www.louvre.fr/sites/default/files/2026-05/la-prise-de-constantinople-par-les-croises-de-delacroix.jpg
Following a meticulous course of conservation treatment, Eugène Delacroix’s Entry of the Crusaders into Constantinople is returning to the Red Rooms, joining a number of other famous works by the artist. By restoring the piece’s colours to their original brilliance, once darkened by yellowed varnish, the conservators’ work has allowed its complex significance to shine through once more.

Go Experiments Explained

https://www.alexedwards.net/static/img/cover-sm-lg.png
The Go programming language has an experimental feature system that allows users to try out new features before they become part of the standard language. Experimental features can be enabled or disabled using the GOEXPERIMENT environment variable and may have different statuses such as off-by-default, on-by-default, or permanently available.

Linear Cosine Palettes(2025)

https://blog.djnavarro.net/posts/2025-09-14_cosine-palettes/index_files/figure-html/subdivision-examples-1.png
The author set a challenge to write a short blog post and succeeded in doing so, despite their tendency to write long posts. They demonstrated a simple method for generating continuous color palettes in R and showcased its application in generative art.

WiFi Time

https://mitxela.com/img/uploads/2026/esp-nmea/esp-nmea.jpg
The user attempted to build a "fake" GPS module using an ESP8266 to grab time over WiFi for a precision clock, but abandoned the project due to ambitious goals and complexity. The user experimented with NTP and WiFi polling, achieving sub-millisecond accuracy, but struggled with control loop stability and eventually realized a simpler approach using a TCXO would have been more effective.