Iroh 1.0

https://www.iroh.computer/api/og?title=Blog&subtitle=Iroh%201.0%20-%20Dial%20Keys,%20not%20IPs
Iroh is a secure, open-source networking library that allows devices to connect directly using keys, providing a stable and efficient internet experience. Its 1.0 release offers a mature networking stack, supporting multiple languages and protocols, and is already running on hundreds of thousands of devices.

TinyWind: A pixel pirate sailing game with real wind physics (380k+ kms sailed)

https://tinywind.io/opengraph-image?ca63dcafdaa67b1f
Tinywind is a pixel-art pirate sailing game in your browser. Outsail the Royal Navy across 7 islands with real sailing physics — beam reach, tack, jibe, broadside. Free to play, no install, 5-minute voyages.

My Homelab AI Dev Platform

https://rsgm.dev/_astro/opencode-platform.6IWQ2Grw_Z15woUP.webp
You set up OpenCode with Git access for homelab management, using AI for container updates and healthchecks. OpenCode runs on a VM with persistent coding sessions, synced across devices, and integrates with GitOps for deployment.

How TimescaleDB compresses time-series data

https://roszigit.com/images/blog/timescaledb-hypercore-post-1.webp
TimescaleDB achieves up to 98% compression for time-series data using its hypercore engine and specialized algorithms like delta encoding and run-length encoding. This results in significant storage cost savings and faster analytical queries.

Launch HN: Drafted (YC P26) – Models for residential architecture

Nick is the founder of Drafted, a platform training AI to generate residential architecture from structured design constraints. Drafted aims to make home design more accessible and affordable by allowing users to create custom floor plans and elevations in seconds.

Memory safety CVEs differ between Rust and C/C++

Rust's memory safety is more effective in practice than C or C++ because it treats potential vulnerabilities as library bugs, not user code bugs, unless the user explicitly uses the unsafe keyword. This approach allows Rust to scale in practice by automatically ensuring memory safety in safe Rust code, whereas C or C++ libraries can still be misused to introduce memory unsafety.

Making glass-to-metal seals for home­made vacuum tubes

https://maurycyz.com/projects/glass/1/closed_end.jpg
To seal metal through borosilicate glass, tungsten wire up to 0.7mm or copper disc seals work well. However, copper seals are harder to make and require precise temperature control.

Copper transport drug restores memory and clears toxic Alzheimer's proteins

Monash University researchers found a copper-based drug reduces toxic Alzheimer's proteins and improves memory by repairing a vital waste-clearing pump. The treatment has potential to combat Alzheimer's and may empower the brain's immune cells to consume toxic plaques.

Fox to buy Roku

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Hetzner Price Adjustment

Price adjustment applies to new orders and rescales from June 15, 2026, 8 AM CEST. Limited offerings will be available until supply lasts, with prices defined by hardware availability and procurement costs.

Boot Naked Linux

https://nick.zoic.org/art/boot-naked-linux/img/booted.jpg
The user is trying to create a minimal Linux system that boots in under a second by stripping away unnecessary components and using a custom init program. They successfully created a tiny Linux system using a custom kernel and initrd image, and were able to read from a disk image using QEMU.

CrankGPT

https://crankgpt.com/Images/og.jpg
CrankGPT prioritizes user data privacy and allows token production on device. It offers a decentralized alternative to ChatGPT, promoting self-sufficiency and saving money.

Your ePub Is fine

https://andreklein.net/wp-content/uploads/2026/06/gandalf-1024x625.jpg
The author's new book passed epubcheck but was reported as "corrupted" by a Kobo user due to Adobe's RMSDK rendering engine not supporting modern CSS. The issue was resolved by disabling the stylesheet and updating the CSS to be compatible with RMSDK.

Apple Foundation Models

https://platform.claude.com/docs/og?locale=en&path=cli-sdks-libraries/libraries/apple-foundation-models
Claude for Foundation Models is a Swift package that makes Claude available as a server-side language model in Apple's Foundation Models framework. It targets the Foundation Models server-side language model API introduced in OS 27 betas.

Show HN: machine0 – Persistent NixOS VMs You Control from the CLI

https://machine0.io/opengraph-image?d0b124732c7005de
This cloud platform offers on-demand VMs with static IPs, per-minute billing, and optional GPUs, ideal for hosting web apps and databases. It supports reproducible builds, deterministic environments, and autonomous agents with isolated credentials.

Ask HN: Has anyone replaced Claude/GPT with a local model for daily coding?

You're looking for local LLM setups for coding. Some users have tried Gemma 4 on Apple M4 and DeepSeek V4 Flash with RTX Pro 6000 Blackwell, achieving 160 tok/s but lower than cloud offerings.

Teenagers Stayed Overnight at Their School and Found Hidden Ancient Roman Ruins

https://th-thumbnailer.cdn-si-edu.com/PKHvzAmMEU8-3_bB122Ia5waiv4=/1026x684/filters:no_upscale():focal(750x500:751x501)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/fb/27/fb27c648-c54c-45b1-80a6-37fa6e338efc/roman-villa.jpg
Students at a Rome high school discovered an ancient Roman villa beneath their school in 2021. Excavations in 2025 uncovered the villa, dating back to the mid-second century C.E., with well-preserved rooms and artifacts.

Show HN: Exploiting Slack's video embeds to achieve E2EE communication

User developed an e2ee Slack app using TypeScript, leveraging openpgpjs for encryption and a slug system for serving iframes. The app encrypts messages locally and stores data in Slack metadata fields.

Openrouter Fusion API

https://openrouter.ai/openrouter/fusion/opengraph-image-1oizug?6fdbbf65fb5a15d5
Drop-in code to call this model. OpenRouter's API is OpenAI-compatible — most SDKs work by just swapping the base URL. The only thing that changes between models is the model slug below.

Even more batteries included with Emacs

https://karthinks.com/img/dictionary-tooltip-01.png
The article discusses various lesser-known features in Emacs, including wildcard support in find-file and Dired, ffap-menu for finding file paths, compare-windows for comparing text, and other features like vc-diff for inspecting backups and apropos for searching commands. The article also covers features like keyboard macros, subword-mode, image manipulation, visible-mode, and other ...

Show HN: Fata – Spaced repetition to fight skill rot from AI coding

https://fata.dev/fata-screenshots.png
You can't direct what you don't understand. fata builds the full-stack fundamentals to lead a coding agent through frontend, backend, and the technical design that holds up in production. AI can generate code but it doesn't build skill.Daily reps with fata sharpen your edge over time.

Improvement in advanced Alzheimer’s disease following high-dose psilocybin

https://static2.frontiersin.org/static-resources/images/crossmark_color.webp
An octogenarian woman with advanced Alzheimer's disease showed transient multidomain functional improvement after receiving a high dose of psilocybin-containing mushrooms. The patient's improvements included restored urinary continence, improved mobility, and increased emotional responsiveness, but the effects were not sustained.

What happened to nerds?

https://mrmarket.lol/static/og-image.png
The tech industry's leadership has shifted from being humble and focused on work to being egocentric and attention-seeking, damaging the industry's reputation and trust with the public. To regain trust, founders should focus on projecting core nerd values such as enthusiasm for niche interests, humility, and a love of learning rather than seeking wealth and power.

Show HN: Kage – Shadow any website to a single binary for offline viewing

https://raw.githubusercontent.com/tamnd/kage/main/docs/static/demo.gif
kage clones websites into offline folders with scripts removed, preserving the site's appearance. It offers a binary or container image for use with Chrome or Chromium.

Firewood Splitting Simulator

Split firewood in 3D — an interactive Three.js experience

Dalus (YC W25) Is Hiring a Senior Software Engineer in Germany

https://bookface-images.s3.amazonaws.com/small_logos/7076b7fa11f6e99d25bfd27695c8c6125132b882.png
Dalus is hiring a senior frontend software engineer to build a modern AI-powered platform for systems engineers. The role involves designing an intuitive interface for complex engineering data.

Salesforce to Acquire Fin (formerly Intercom) for $3.6B

https://www.salesforce.com/news/wp-content/uploads/sites/3/2026/06/Option-02.png?w=300&bc=OTH
Salesforce acquires Fin for $3.6 billion to enhance customer support with AI Agent technology. The acquisition will improve autonomous resolution, reduce costs, and accelerate AI adoption for service organizations.

Asciline – real-time ASCII video rendering engine

https://private-user-images.githubusercontent.com/233242505/604571758-ccc727c9-c697-49f2-85e1-6f8c366f2019.gif?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmF3LmdpdGh1YnVzZXJjb250ZW50LmNvbSIsImtleSI6ImtleTUiLCJleHAiOjE3ODE1MjYwMjYsIm5iZiI6MTc4MTUyNTcyNiwicGF0aCI6Ii8yMzMyNDI1MDUvNjA0NTcxNzU4LWNjYzcyN2M5LWM2OTctNDlmMi04NWUxLTZmOGMzNjZmMjAxOS5naWY_WC1BbXotQWxnb3JpdGhtPUFXUzQtSE1BQy1TSEEyNTYmWC1BbXotQ3JlZGVudGlhbD1BS0lBVkNPRFlMU0E1M1BRSzRaQSUyRjIwMjYwNjE1JTJGdXMtZWFzdC0xJTJGczMlMkZhd3M0X3JlcXVlc3QmWC1BbXotRGF0ZT0yMDI2MDYxNVQxMjE1MjZaJlgtQW16LUV4cGlyZXM9MzAwJlgtQW16LVNpZ25hdHVyZT01NTU2MzdjY2RjMzgzMDNjYTRjYmI5MDIyMTE4M2JhODEzM2RlNThmZGRhZjMyNGNhNTYyNDJkNWI1Y2RkMDc1JlgtQW16LVNpZ25lZEhlYWRlcnM9aG9zdCZyZXNwb25zZS1jb250ZW50LXR5cGU9aW1hZ2UlMkZnaWYifQ.FkUKHr69wD7iSxl5SGB6xugOgXFBVE6cc7lqnBWluic
ASCILINE is a high-performance, cross-platform real-time ASCII video rendering engine that transforms the web into a dynamic typographic canvas. It unlocks new possibilities for web media delivery with ultra-low bandwidth and IoT compatibility.

Anthropic's Safety Superpower

https://i0.wp.com/sharptech.fm/assets/Sharp%20Tech%20-%20Black.png?w=128&h=128&ssl=1
Anthropic's model release and data retention policies have raised concerns about safety and control. The company's actions seem to prioritize its own interests and goals over others.

Google Flight Simulator

https://www.gstatic.com/images/branding/productlogos/maps_2025/v1/192px.svg
The Google Maps flight simulator is experimental with simplified physics and dynamic loading, offering an immersive experience with limitations. It has features like terrain anomalies and overlapping controls, and users can exit safely by clicking the back arrow.