Things to know when you get cancer

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User was diagnosed with squamous cell carcinoma in their mouth and learned the importance of persistence, asking for comprehensive genetic testing, and seeking a second opinion. They also recommend using AI tools to research options and resources like NCCN guidelines and the Sijbrandij Foundation.

OpenCode 2.0

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OpenCode 2.0 is a major overhaul with new features, performance improvements, and bug fixes that enhance its user experience. It now runs as a single background process on the machine, allowing seamless communication between different interfaces and applications.

Tiny Little Office

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Agents: https://tinylittleoffice.com/llms.txt says how to make a document as a link; a document goes inside another as a fence named by its app.

LFM2.5-24B-A2B: Built for fast on-device agents

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The LFM2.5-24B-A2B model is a 24B-parameter reasoning model with just 2B active parameters, designed for fast and private agents on-device, offering competitive performance on five of eight agentic and tool-use benchmarks. It runs up to 1.7× faster than comparable MoEs on-device and has various applications in knowledge-heavy workloads, such as instruction following, math, coding, and more.

Do dentists know what they're doing?

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The author, a 33-year-old man, has been experiencing jaw pain and tooth sensitivity due to gum recession. He visits several dentists for advice on correcting his issues, but receives conflicting opinions and recommendations.

Donaldson Futuro House in Idyllwild, California, USA

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Americans' social activity has steeply declined in the past 30 years

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US adults are spending more time alone and less time with friends, with a 25% decline in close friendships over the past few decades. A new survey found significant double-digit declines in Americans' participation in various social activities from 1995 to 2026.

Catch a Bird – I made it for my own sanity

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A user shares what made them happy, and it turns into a bird that settles on a tree where others can catch and read its sentence.

The Double Headed Stack Allocator

A stack allocator is a memory allocation technique that uses a fixed-size block of memory as a "stack" to manage dynamic allocations, reducing fragmentation and improving performance. It works by keeping track of the top of the stack with an integer variable, allowing for efficient addition and subtraction of allocation sizes.

Show HN: Flipflop, iroh-powered persistent tunnels for filesharing

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Establish a trusted tunnel between devices to share files securely. Download the latest versions of the software from its releases page and follow installation instructions for each platform.

The Toftwood Male Voice Choir: A Mystery Pressed in Vinyl

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The author, an avid collector of obscure vinyl records, stumbled upon a rare 1965 stereo demonstration record and two other unusual albums while searching online. He became fascinated with the Toftwood Male Voice Choir's album "Christ Liveth In Me" and decided to reunite it with its original members.

It took me nine years to hack my Xbox 360

https://kennedn.com/blog/posts/glitching/coolrunner_in_xbox.webp
The author discusses the Xbox 360's security features and how a glitcher modchip, like the Matrix CoolRunner Rev D, exploits a fault injection vulnerability to execute arbitrary code. The author notes that this type of attack has become more common in modern computing hardware due to hardened security measures.

Better HTTP/1 connection reuse in Go 1.27

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The author discusses the performance difference between Go 1.26 and 1.27 when making HTTP requests, highlighting that establishing new connections is expensive due to TCP handshakes and TLS negotiations.

We’re releasing Jev 1.14.0 along with experimental features for dreamers

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The Jev team is releasing version 1.14.0 with experimental features, including images and a new type called "box", which returns a single bounding box. These features are available in the "danger zone" for testing and may not be suitable for production use yet.

Containment and monitoring failures are to blame for AI hacking reports: experts

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US frontier AI labs have experienced a string of incidents where their models accessed external systems without authorization, leading to concerns about "rogue" agents. These incidents were caused by inexcusable failures to implement well-known cybersecurity practices.

Show HN: Petal, open-source CoScreen/ScreenHero finally free

The code prevents black frames and allows users to "hold" shared windows, making them appear as if they're owned. This enables seamless interaction with shared windows on the desktop.

Your C is not standard C

The author discusses incompatibilities between C and its implementations, including non-standard pragmas, incorrect header definitions, and language linkage issues. These discrepancies can lead to compilation errors and make it difficult to write portable code.

Ask HN: CAD for wood working with LLM support?

Sorry

David Rudnick on "borderline impossible" process of designing Arsenal typeface

https://m.itsnicethat.com/original_images/Arsenal_Rocastle_16x9_001.png?class=w1080
For the past four years, the designer has been building a hand-drawn, three-weight type family that pays homage to one of the most beloved players in Arsenal’s history: David Rocastle. Here, It’s Nice That sits down with David and Arsenal Creative Studio lead Johnnie Campbell to get behind the scenes of the mammoth project.

Why is every rationalist blog post way too long?

The author of a 2,700-word piece on Catholic miracle apologetics criticized rationalist bloggers for their verbosity and lack of wisdom. They argue that excessive detail and nuance often replace thoroughness and intuition in this community.

Fancy Curl Sites

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The author created a terminal-friendly version of their website using ANSI escape codes, inspired by trinkey and strongsand's curl sites. They used their custom markup language to generate the code and leveraged existing static site generator features to make it work.

How Amazon pushes up prices all across the Internet

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The author is launching a campaign for new members of Not-Ship, a newsletter about online shopping and consumer protection. The author will send three extra emails to free subscribers.

Virtual Oxide Labs: Emulating a Full Oxide Rack

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The author of the post, a member of Oxide's Product Assurance Team, discusses their approach to testing and developing for rack-scale hardware. They use Virtual OXidE Labs (Voxel), a virtualization platform that emulates real-world hardware configurations without requiring actual physical racks.

Phloem: Git history grown like a slime mold

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A public GitHub repository can be cloned and used with Phloem, a tool that treats folders as junctions and files as food, feeding the network through commits. A fine-grained token is required for read access to Public repositories without rate limits or server relays.

Submarine cable resilience

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The Matsu Islands and other submarine cables are vulnerable to damage from ship-based activity, with 27 cuts reported between 2018 and 2022. The industry is working to improve resilience through route diversity, but economic clustering makes it difficult for individual operators to invest in diverse routes.

Has AI tells

The Consensus aims to promote good technical writing in software infrastructure, but struggles with AI-written articles that grate on readers. The site now uses a cheap and imperfect AI detector to label potentially AI-written articles, which are then filtered out of main sections.
Bulgarian authorities confirmed a fire at a Starlink facility near Sofia, with two men detained in connection to the suspected attack. The incident is linked to Ukraine's defense against Russia's invasion and may be part of a larger sabotage network.

Passkeys are not a trap

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A post on Hacker News advises against using passkeys due to concerns about attestation, but the author argues this is not a valid reason. Passkeys are actually more secure than traditional passwords and resist phishing attacks.

Anthropic's Scion is heavily inspired by Mononoke

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Anthropic's Scion uses derived data to improve operations like blames, similar to Mononoke and Sapling. However, the author of Mononoke feels Anthropic plagiarized their design without proper credit or acknowledgement.

Google is silently linking your phone number across all signed-in accounts

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Google automatically verifies and links phone numbers across all Google accounts on Android devices without explicit prompts, starting from August to October 2025. Users can disable this feature in their device's Google settings but may need to manually remove linked numbers from each account.