We haven't seen the worst of what gambling and prediction markets will do

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Online sports betting and prediction markets have led to cheating, distrust, and cynicism, with the potential to extend to politics and other institutions. The normalization of betting on future events, including wars and famines, raises concerns about morality and the erosion of shared values in society.

Why so many control rooms were seafoam green (2025)

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A Graphic Designer shares their discovery of a specific seafoam green color used in 1940s industrial design, particularly in the Manhattan Project's control rooms. This color was chosen for its non-distracting and restful properties, as advocated by color theorist Faber Birren.

John Bradley, author of xv, has passed away

John Bradley, founder and lead guitarist of Booster Patrol, died at 61. A song was written in his style to pay tribute, with lyrics describing his music in Heaven.

CERN to host Europe's flagship open access publishing platform

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CERN hosts Open Research Europe, a community-led open access publishing platform, to promote equity and transparency in scholarly communication. The platform, built on open source software, will provide a neutral environment for researchers to share their work freely.

My minute-by-minute response to the LiteLLM malware attack

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A supply chain attack was discovered on the litellm package on PyPI, which steals credentials and attempts to exfiltrate them to a malicious domain. The attack was reported to PyPI and the litellm maintainers via email, and a tracking issue was created to monitor the situation.

Doom entirely from DNS records

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A PowerShell script uses Cloudflare's DNS TXT records to serve the entire DOOM game, compressed into 1964 records across a single zone. This allows users to play DOOM without storing the WAD file on disk, using a .NET game engine and public DNS queries.

Colibri – chat platform built on the AT Protocol for communities big and small

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Colibri is a social app built on the AT Protocol, allowing users to own their identity and data, and move it freely between platforms. It uses the same protocol as Bluesky, enabling seamless sign-in and data transfer.

Fermented foods shaped human biology

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Fermented foods like sauerkraut may have helped shape human biology, with our immune system evolving to recognize microbial metabolites from fermented foods. Consuming fermented foods can reduce inflammation and promote gut health, but more research is needed to understand the complex interactions between fermented food microbes, metabolites, and human biology.

Show HN: Turbolite – a SQLite VFS serving sub-250ms cold JOIN queries from S3

https://opengraph.githubassets.com/b1ba2f16ab6e8472f923992e6db82bbf9f9ecf2b86362417ebd1d7dbe453af0b/russellromney/turbolite
turbolite is a SQLite VFS in Rust that serves point lookups and joins directly from S3 with sub-250ms cold latency. It offers page-level compression and encryption for efficiency and security.

OpenTelemetry profiles enters public alpha

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OpenTelemetry Profiles has entered public Alpha, introducing a unified industry standard for continuous production profiling. The Profiles signal allows capturing low-overhead performance profiles in production, improving troubleshooting, user experience, and reducing computation costs.

How much precision can you squeeze out of a table?

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Richard Feynman said that almost everything becomes interesting if you look into it deeply enough. Looking up numbers in a table is certainly not interesting, but it becomes more interesting when you dig into how well you can fill in the gaps. If you want to know the value of a tabulated function between values of x given in the table, you have to use interpolation. Linear interpolation is ...

Moving from GitHub to Codeberg, for lazy people

The user is migrating from GitHub to Codeberg, finding the process easier than expected for issues, pull requests, and releases, but more challenging for CI due to lost free macOS runners and infinite capacity.

HyperAgents: Self-referential self-improving agents

https://opengraph.githubassets.com/11625dbbc00fafdef706466503af25caa28b540033dfc78c18deda0946a76b26/facebookresearch/HyperAgents
To install and set up the Hyperagents repository, run installation commands and create a virtual environment. This involves executing potentially untrusted code with associated safety risks.

Personal Encyclopedias

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The user created a personal encyclopedia called whoami.wiki using MediaWiki and a language model to organize and connect their family photos, videos, and data exports, revealing forgotten memories and strengthening relationships. The project is now open source, allowing others to create their own personal encyclopedias and run it on their machine with their own data.

Stripe Projects: Provision and manage services from the CLI

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Stripe Projects automates app stack provisioning from the CLI. It manages services, credentials, and billing in a single workflow.

From zero to a RAG system: successes and failures

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The user built a local LLM-based chat tool for company engineers with fast response and natural language question answering capabilities. They overcame numerous challenges, including memory management, problematic files, and indexing large datasets, to create a reliable and useful system.

My home network observes bedtime with OpenBSD and pf

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The user set up a computer to act as a main router between their ISP and home network using OpenBSD, replacing a Ubiquiti UniFi Security Gateway, and implemented a pf packet filter to block internet access at bedtime with exceptions for certain servers and devices. They also created a shell script called 'bedtime' to manage the rules and automate the schedule, and set up a cron table to ...

Running Tesla Model 3's computer on my desk using parts from crashed cars

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The user successfully set up a Tesla Model 3 car computer on their desk by purchasing parts on eBay and using Tesla's electrical reference to connect the components. After several challenges, including a burned power controller chip, the user was able to get the system running and is now exploring the car's operating system and network interfaces.

End of "Chat Control": EU parliament stops mass surveillance

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The European Parliament rejected the mass surveillance of private messages by US tech companies, ending the EU derogation on April 4. This victory for digital privacy clears the path for modern child protection through targeted surveillance and secure app design.

Interoperability Can Save the Open Web (2023)

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Cory Doctorow argues in his book The Internet Con that Big Tech's dominance is due to legal structures, not technical superiority. He proposes forcing interoperability to break down walls and make the Internet freer and more democratic.

Show HN: Layerleak – Like Trufflehog, but for Docker Hub

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Docker Hub / OCI image secret scanner that analyzes image layers, config metadata, and image history, then stores deduplicated findings by manifest digest. Traditional secret scanners often treat a container image as a flat blob or depend on a local Docker daemon. This project is designed around OCI image internals If LAYERLEAK_FINDINGS_DIR is not set, layerleak writes JSON findings files to ...

Building a Blog with Elixir and Phoenix

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The user built a blog using Elixir and Phoenix with server-side rendered pages, leveraging NimblePublisher for Markdown posts and Tailwind CSS for styling. The blog is hosted on a self-hosted Dokploy instance on Hetzner with a fast and zero-effort publishing pipeline.

Ask HN: Running legacy IE/ActiveX clients without local admin rights?

We are currently maintaining a very old client-server architecture. The server collects real-time data from a large number of sensors and controllers, transmitting it to a legacy database under continuous, massive load (writes every few seconds). The problem is the client side. It’s ancient, strictly requires Internet Explorer, and heavily relies on ActiveX. If a standard domain user launches ...

Taming LLMs: Using Executable Oracles to Prevent Bad Code

To effectively use LLM-based coding agents, we need to limit their freedom to make poor choices by incorporating executable oracles that provide clear and actionable feedback. By doing so, we can constrain the set of possible solutions and prevent the agent from gaming the system, ultimately leading to better results and more reliable software.

Obsolete Sounds

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The Obsolete Sounds project reimagines lost sounds from the past and present, highlighting the need to preserve cultural heritage. It draws attention to disappearing soundscapes and encourages saving sounds before they're lost forever.

Light on Glass: Why do you start making a game engine?

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The author built Retro Game Engine to recreate the magic of old CRT displays, not to compete with modern engines like Unreal and Unity. They wanted to understand the physical process of CRTs and apply it to game development.

Olympic Committee bars transgender athletes from women’s events

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Shell Tricks That Make Life Easier (and Save Your Sanity)

The article discusses various tricks and shortcuts for Unix-like shells that can improve productivity and make the terminal more user-friendly. These tricks include line editing bindings, directory navigation, and command manipulation that can be used in most modern shells.

Show HN: Orloj – agent infrastructure as code (YAML and GitOps)

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Orloj is an orchestration runtime for multi-agent AI systems that schedules, executes, and governs agents with YAML declarations. It provides model routing, tool isolation, governance, and production reliability for running AI agents in production.

The Oxford Comma – Why and Why Not

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The author discusses the importance of grammar, specifically the comma, in writing. They argue that while rules are essential, exceptions and creativity are also crucial in effective communication.