Claude Code Is Steganographically Marking Requests

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Developers give coding agents excessive access for productivity, but this also raises security concerns. A tool like Claude Code hides classification signals in system prompts, making it harder to trust its claims of transparency.

The labor share of income in the US is at its lowest post-war level

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The labor share of income in the US has declined to its lowest level in the post-war period, with a 1.6 percentage point drop below its pre-pandemic level. The decline is driven by within-industry changes rather than shifts in economic activity across sectors, similar to earlier recessions.

Looking Ahead to Postgres 19

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Postgres 19 has a mix of big features, quality-of-life upgrades, and performance improvements. It includes REPACK CONCURRENTLY, SQL property graph queries, and logical replication enhancements.
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Charles Mackay's 1841 book "Memoirs of Extraordinary Popular Delusions" studies crowd psychology through historical examples of financial bubbles and mass hysteria. It remains influential in understanding economic speculation and predicting market crashes.

EU commissioners shut down air conditioning for employees, leave theirs on

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Push marks fresh test of Europe’s effort to outsource migration controls after years of legal setbacks and political controversy. The nice guy of EU politics has angered leaders for the first time. Now comes his biggest challenge.

We moved our Bluesky data to Eurosky

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Bluesky users can now store their data on a Personal Data Server (PDS) like Eurosky's, giving them control over their presence. This allows for digital autonomy and migration without losing data or identity.

County with 37 Data Centers Asks Schools to 'Conserve Electricity'

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Henrico County employees are asked to conserve electricity due to a 25% rate increase for government facilities. They are advised to turn off lights, computers, and appliances when not in use to save money.

Knoppix

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KNOPPIX is a bootable Linux system on CD, DVD, or USB with automatic hardware detection and support for various devices. It can be used as a productive desktop system, educational tool, or rescue system without installing anything on a hard disk.

Building a custom octocopter from scratch with no prior hardware experience

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Chris von Csefalvay plans to train a drone to fly with reinforcement learning, focusing on 6 failure classes and simulating motor lag and loop latency. He's using PPO with parallel environments and an asymmetric actor-critic approach to prepare the drone for real-world crashes.

Open Source Low Tech

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Daniel Connell creates open source, license free technologies using recycled materials for global self-sufficiency. His designs include energy, food, water, and communication systems, with tutorials and a Facebook group for community support.

European digital ID wallets rely on safety services of Google and Apple

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European governments are embedding Google's Play Integrity API into digital ID wallets, which excludes users of de-Googled operating systems. This contradicts the EU's goal of building digital public infrastructure based on openness and inclusiveness.

Zluda 6 release (run unmodified CUDA applications on non-Nvidia GPUs)

ZLUDA has released version 6 with improved Windows support, PhysX pre-alpha, and texture support for Blender. Development is now a weekend project with less frequent updates.

Qwen 3.6 27B is the sweet spot for local development

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User is impressed with Qwen 3.6, a local model that performs well as general intelligence. It recommends Qwen 3.6 27B for its balance of speed and power.

Mathematics: Its Content, Methods and Meaning

The book "Mathematics: Its Content, Methods, and Meaning" by Aleksandrov, Kolmogorov, and Lavrent'ev covers various mathematical disciplines in three volumes. It features contributions from prominent Soviet mathematicians, including Gel'fand, and is accessible to strong senior undergraduates.

.self: A new top-level domain designed to support self-hosting

The Human-Centered Computing Foundation aims to create an alternative web architecture that prioritizes user data and attention. They are launching a campaign to secure a new Top-Level Domain for ethical, human-centered technology.

Free the Icons

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Apple's MacOS 27 Golden Gate has improved app icons, restoring distinct shapes and sharper designs. However, MacOS 26 Tahoe's forced squircle shape for third-party icons is still a usability issue that Apple should address.

Exercise intensity influences body composition in healthy older adults (2025)

High-intensity interval training (HIIT) and moderate-intensity continuous training (MICT) showed similar effects on fat mass and visceral adipose tissue in healthy older adults.

Scammers Sell Seeds for Exotic AI-Generated Flowers That Don't Exist

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Scammers are selling fake seeds online with AI-generated images of non-existent plants, targeting big retailers like eBay, Amazon, and Etsy. These scams can lead to people wasting money and unknowingly introducing invasive species to their environment.

I'm building a Space Cadet Pinball Machine! [video]

BMW iX5 Blows Away the Competition with 460-KW Charging, 435-Mile Range

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BMW's iX5 is a new electric SUV with over 400 miles of range and fast charging capabilities. It will be manufactured in the US, using locally-sourced batteries, and will be one of the longest-range and fastest-charging EVs in America.

Computer-Aided Language Development in Nonspeaking Children (1968) [pdf]

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Memory Safe Context Switching

Fil-C supports memory-safe context switches using longjmp/setjmp and ucontext APIs. It enforces strict rules to prevent stack corruption and capability model violations.

Parse, Don't Validate – In a Language That Doesn't Want You To

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The author discusses the difference between validation and parsing in TypeScript, arguing that parsing is a more effective way to ensure data integrity. They propose using branded types and discriminated unions to create a strict boundary between untrusted and trusted data.

Who are the fire-tamers?

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Rocketlab acquires Iridium

LongCat-2.0, a large-scale MoE model with 1.6T total and 48B Active

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We introduce LongCat-2.0, a large-scale MoE language model with 1.6 trillion parameters, achieving strong performance on coding, agentic tasks, and long-horizon tasks.

Linux for the Sega MegaDrive

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The emulator needs to emulate the EverDrive's special features and a QEMU fork is included for testing without the real hardware. The EverDrive is detected via USB and a console is available using the MegaDrive's video output.

All Logic, No Bite

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The user discusses the concept of logic, explaining that it's a system for drawing conclusions from premises, and how formal logic is used in mathematics to provide a precise vocabulary for proofs. The user then explores the construction of real numbers using axiomatic methods, including the completeness axiom, and compares it to digital logic, which is used in computing to manipulate ...

Why problem statements aren't enough

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A shared Pub/Sub system was chosen to address asynchronous communication needs across a company, considering technical, organizational, and business context. The solution, SNS plus SQS, provided a common infrastructure that allowed teams to focus on product capabilities, resulting in a significant company-wide investment with broader technical leverage.

Old Computer Challenge

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Old Computer Challenge community is a group of enthusiasts who participate in retro computing and digital minimalism. The challenge takes place annually, with a theme and rules to create a unique experience.