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.

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.

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.

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.

Hetzner increased dedicated server prices 3-4x

Hetzner increased bare metal pricing by 3-4x, citing hardware cost increases and scarcity of RAM and Disk. This move may impact users who were considering migrating to Hetzner for competitive pricing.

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.

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

Some time ago, while exploring Slack’s Block Kit reference, I noticed something peculiar: the video block. When I saw that it accepted a video_url, the first thing I thought was: how does it distinguish between any content and an actual video? Would there be any particular requirement or limitation in the embed? Foreign sources? Yeah, no. There is no runtime check, other than checking the ...

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.

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.

Show HN: Can Europe train a frontier AI model on the compute it owns?

https://opengraph.githubassets.com/cd7b03d5b4769a79ab5604d1f138c173ae9323bf126298a8475e29ad781ff65c/sammysltd/euromesh
Europe can train a sovereign frontier-class AI model by federating its existing public compute, potentially by 2028. This is possible due to the long lead times for grid power connections to new datacenters, which can take up to 7.6 years.

Fox Is Buying Roku

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Show HN: I wrote a C++ ray tracer from scratch without AI

https://raw.githubusercontent.com/themartiano/luz/main/docs/images/stormtroopers.jpg
Luz supports Monte Carlo path tracing, global illumination, and various rendering features. It uses a CLI with customizable settings and supports exporting scenes from Blender.

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

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.

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.

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.

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 ...

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.

Ported my C game to WASM, here's everybug that I hit

Porting a custom C game engine to web via Emscripten required addressing issues with 32-bit address space, pointer sizes, and cross-platform compatibility. The user overcame challenges with bgfx, SDL2, miniaudio, and Cimgui, and successfully deployed the game on Itchio, achieving a smooth and fast web experience.

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.

Successful Psilocybin Treatment of Alzheimer

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.

Firewood Splitting Simulator

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

How to build a virtual cell and biology scaling laws

https://substackcdn.com/image/fetch/$s_!dWWQ!,w_150,h_150,c_fill,f_auto,q_auto:good,fl_progressive:steep,g_center/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2F23b8f7b1-0626-4082-9f00-176cf6cc94c0_1920x1080.jpeg
Markov Biosciences, a startup in San Francisco, is betting that biology is about to have its GPT moment. In this episode, founder Adam Green explains the "bitter lesson" for biology, the idea borrowed from Richard Sutton that large unbiased datasets and the right training objective tend to outcompete models with hard-coded rules and human priors. Adam thinks, in particular, that the ...

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.

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.

There Is(Ǝ) – Such That (∋)

https://storage.ghost.io/c/1b/2e/1b2e7dbb-ac74-48f3-b18d-86f3e8bdb643/content/images/size/w100/2024/11/Me.png
You're creating a language for generating procedural clocks for "Impossible Day" with a visual editor and p5.js rendering. The editor has a wordless interface with hand-drawn icons and a debug mode for scrubbing through the day.

Curl will not accept vulnerability reports during July 2026

https://daniel.haxx.se/blog/wp-content/uploads/2026/06/curl-summer-of-bliss.jpg
The curl project will be closed to vulnerability reports in July 2026, known as the "curl summer of bliss." Reports can be submitted again on August 3 through Hackerone.

Bitsy

~ a little engine for little games, worlds, and stories ~

21 years and counting of 'eight fallacies of distributed computing' (2025)

https://blog.apnic.net/wp-content/uploads/2025/10/2025-10-featured-fallacies-555x202.png?v=4858e5a1b0247a65e15f5a69e5349a683758ccdbeb7f281e7daead61c25cb6c0
The eight fallacies of distributed computing highlight common misconceptions about network behavior, including assuming reliable data delivery, infinite bandwidth, and secure networks, which can lead to design flaws in network protocols and applications. Understanding these fallacies is crucial for network operators and developers to design robust and efficient network systems that can handle ...

Exploring building a tiny FUSE filesystem

https://www.shayon.dev/tiny-filesystem.jpg
The user built a small filesystem called magicfs with a real backing store, metadata, and a few deliberate omissions to make the code readable, and it uses FUSE to run in userspace. The filesystem handles file operations like open, read, write, flush, and fsync, and it uses a simple copy-on-write data path, but it lacks features like journaling, locking, and caching.

Rio de Janeiro's "homegrown" LLM appears to be a merge of an existing model

https://opengraph.githubassets.com/5e60dd96a883e5a56f80a99fda28dc0d9436df50171f4d8da0c512be6ffcf9b0/nex-agi/Nex-N2
Rio-3.5-Open-397B is a merged model of Nex and Qwen3.5-397B-A17B, with no evidence of its own training. Its weights are a 0.6 Nex to 0.4 Qwen blend.