Radboud University selects Fairphone as standard smartphone for employees

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Radboud University will issue Fairphones to employees from 1 February 2026 for sustainability and cost efficiency reasons. Employees can also use their own devices or reissued Samsung phones, but will not be reimbursed for personal phone costs.

A decentralized peer-to-peer messaging application that operates over Bluetooth

Bitchat is a decentralized messaging app using Bluetooth mesh networks, no internet required. It provides censorship resistance and infrastructure independence.

Gaussian Splatting – A$AP Rocky "Helicopter" music video

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A$AP Rocky's music video Helicopter features volumetrically captured human performances rendered as dynamic splats. The team used a 56 camera RGB-D array and Evercoast's system to record over 10 terabytes of raw data, allowing for radical freedom in post-production.

Wikipedia: WikiProject AI Cleanup

Wikipedia editors are working together to identify and remove AI-generated content that introduces errors and lacks proper sourcing. The goal is to verify AI output and fix or remove it if necessary, without restricting AI use in articles.

Provide agents with automated feedback

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Engineers can increase leverage by delegating tasks to agents with automated feedback, allowing them to work on longer horizon tasks. Building back pressure through tools like type systems, error messages, and UI rendering helps agents identify mistakes and align with tasks.

Flux 2 Klein pure C inference

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This C library generates images from text prompts using the FLUX.2-klein-4B model, with optional BLAS acceleration and no external dependencies. It can be used for image generation and transformation, with a simple API and automatic memory management.

Dead Internet Theory

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The author of an open-source project on HackerNews was accused of using AI-generated code and comments, but their responses seemed suspiciously AI-generated as well. This incident led the author to question the authenticity of online interactions and the prevalence of AI-generated content on the internet.

Show HN: I quit coding years ago. AI brought me back

Compound interest grows money exponentially over time, calculated on both principal and previous interest. Starting early and frequent compounding can significantly increase earnings over decades.

Fil-Qt: A Qt Base build with Fil-C experience

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GitLab Community Edition

A Social Filesystem

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The AT protocol is a system that allows social apps to store and manage user data as files in a decentralized filesystem, enabling users to switch between apps and maintain control over their data. The protocol uses a combination of domain names, decentralized identifiers, and a registry to create permanent links to user data that survive hosting and handle changes.

Nepal's Mountainside Teahouses Elevate the Experience for Trekkers

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We were only three days into a 27-day journey through the forests of eastern Nepal, pushing through low clouds and a steady downpour. “Are we going the right way?” I asked Arjun Rai, my guide on the Mera Peak trekking trail. “I think so,” he said, rain dripping from the bill of his baseball cap. “I’m pretty sure.” The mist was so dense we could see barely 100 feet ahead. It was an especially ...

Fluid Gears Rotate Without Teeth

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The Code-Only Agent

https://rijnard.com/assets/og-code-only.png
The Code-Only paradigm simplifies agent design by forcing the agent to produce executable code, making it more trustworthy and repeatable. This approach enforces guarantees and precision, ideal for computable tasks, and blurs the line between prompting and programming an agent.

AVX-512: First Impressions on Performance and Programmability

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The user explores SIMD paradigm with AVX-512, achieving 4x speedup over scalar code and 2x over auto-vectorized code for K-Means algorithm. They conclude that explicit SIMD is suitable for modern hardware and development workflows, especially with the help of LLMs for code generation.

Gladys West's vital contributions to GPS technology

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Gladys Mae West was an American mathematician who contributed to the development of satellite geodesy models and the Global Positioning System (GPS). She was inducted into the US Air Force Hall of Fame in 2018 and received the Prince Philip Medal in 2021.

Gas Town Decoded

Steve Yegge published "Welcome to Gas Town," an introduction to his AI agent orchestration tool, which was met with mixed reactions due to its scale and new language. A decoder was created to explain the tool's terms, including project, inbox, mayor, worker, fixer, maintenance, and persistent worker agents.

Self Sanitizing Door Handle

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A self-sanitizing door handle uses photocatalytic technology and blacklight to clean and sterilize surfaces, minimizing infection risk. It's a unique, durable design that can be installed in public areas like shopping malls, hotels, and hospitals.

Show HN: AWS-doctor – A terminal-based AWS health check and cost optimizer in Go

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aws-doctor is a Golang tool that diagnoses cost anomalies, detects idle resources, and provides proactive analysis of AWS cloud infrastructure. It automates routine checks to help users understand where money is going and what can be cleaned up.

RISC-V is coming along quite speedily: Milk-V Titan Mini-ITX 8-core board

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The RISC-V ecosystem might still be a nascent one, but it's definitely starting to take shape. You can now order the Milk-V Titan full-featured Mini-ITX motherboard kit with an integrated Ultra-RISC UR-DP1000 CPU (RISC-V), all with standard hardware, and ready to roll. Although this isn't strictly the first such offering, it's one of the few on the market that combines complete ...

Astrophotography visibility plotting and planning tool

April 1 marks the first day of the new year. the u.s. president's eu summit is set for june 1 - thursday, july 1 at london bridge, where he'll be speaking about the world cup and the euro 2012 qualifying games, including the gold medal match between britain and greece, which takes place in switzerland, will be

Simulating the Ladybug Clock Puzzle

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The ladybug has an equal 9% chance of landing on any hour marker except 12. The average number of moves to visit all 12 numbers is 78.

Show HN: Dock – Slack minus the bloat, tax, and 90-day memory loss

This platform offers real-time chat with a focus on deep work, decision tracking, and data security. It provides a simple, ad-free chat experience without AI features, with a free plan available for team history.

High-speed train collision in Spain kills at least 39

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At least 21 people have been killed in a high-speed train crash in southern Spain, with over 30 seriously injured. The incident occurred when a train derailed and collided with another, with the cause still unknown.

Show HN: Beats, a web-based drum machine

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A web-based drum machine inspired by Teenage Engineering Pocket Operators. Create, save, and share beats with 16-step sequencing and multiple instruments.

Using proxies to hide secrets from Claude Code

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Claude Code uses sandbox-exec for OS X users and supports network isolation and proxies to limit access to host. It can perform actions with network access and data, but using proxies and fine-grained permissions can prevent API key exposure.

Greenpeace pilot brings heat pumps and solar to Ukrainian community

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A Ukrainian city, Trostianets, has completed a sustainable heating pilot using heat pumps and solar power in a renovated apartment building. The project aims to make heating in Ukraine secure, affordable, and independent from fossil fuels.

Sins of the Children

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A human team on Chelicer 14d discovers giant, mechanical "death-fleas" that destroy their weather station and kill a team member. The team recommends eradicating the creatures, which are threatening their agricultural operations, and their bosses agree, deploying drones to wipe them out.

Texas police invested in phone-tracking software and won’t say how it’s used

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Goliad County sheriff Roy Boyd used a discarded receipt and AI-powered surveillance tool Tangles to track a human smuggling suspect, but critics say the tool poses major risks to civil liberties. Tangles allows warrantless device tracking, raising concerns about police abuse and erosion of constitutionally protected rights.

ASCII characters are not pixels: a deep dive into ASCII rendering

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The user built an image-to-ASCII renderer that utilizes shape to achieve sharp, high-quality ASCII rendering by picking characters based on their shape and applying contrast enhancement effects. The renderer uses a 6D shape vector to capture the shape of ASCII characters and a directional contrast enhancement technique to eliminate staircasing effects and improve readability.

MTOTP: Wouldn't it be nice if you were the 2FA device?

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mTOTP is a manual time-based authentication protocol for humans, computed without electronic devices. It uses a secret key, substitution box, and diffusion to generate OTPs for future times with intentional authentication time.