Helsinki Hacker News Meetup

https://calpaterson.com/images/photo/hn.jpeg
The group is unofficial and focuses on posters, open to anyone who joins the WhatsApp group for coordination. Meetings are usually Sundays 10am-midday in a Helsinki coffee shop, with occasional beer gatherings.

Stateless MCP has recaptured my interest

https://raw.githubusercontent.com/simonw/til/refs/heads/main/llms/claude-add-custom-connector-dialog.webp
The author is excited about the new stateless MCP 2.0 specification, which simplifies the protocol and reduces complexity. They've built several MCP tools, including mcp-explorer and datasette-mcp, and plan to integrate MCP into their LLM tool.

No Data Centers in My Backyard

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Driving in Wisconsin feels like cruising through Eden. It is unimaginably green given the heat-wave summer. There are fields of corn and clover blossoms and Queen Anne’s lace; in the temperate evenings, fireflies trace and weave star-trails between cottonwood trunks. Everyone we meet is generous, warmhearted, ready to show us the meaning of β€œMidwestern nice” one free beer at a time. Data ...

β€œGravity is worth asking about”

https://unsung.aresluna.org/_media/gravity-is-worth-asking-about/ogimage.png
John Gruber compared ads on Apple surfaces to stickers on laptops, referencing a Steve Jobs joke about Apple not using Intel Inside stickers. Gruber argues that once one ad is added, it's hard to stop the trend, leading to a slippery slope of increasing ads and complexity in digital interfaces.

Pi's Minimalism Is Its Advantage

https://earendil.com/static/posts/pi-autoresearch-and-databricks/databricks-cost-per-task.png
Pi is a coding harness that chooses minimalism, coming with only 4 tools and a system prompt under 1,000 tokens, making it cheaper and more performant. Its design allows for extensibility and self-editability, producing industry-leading results even before adding extensions, as seen in case studies with Databricks and Shopify.

Mistral's Shieldstral: 3B open-weights model for multimodal moderation

https://mistral.ai/_astro/text-safety_2rJMGA.webp?dpl=6a71ffa2b153950008e88155
Shieldstral is a 3B multimodal safety classifier that adapts to context with a policy-adaptive approach, answering questions like content safety and harm. It matches larger models on text safety and sets a new state of the art on multimodal moderation with a single interface for text and images.

Civilian plane crash in New Mexico tied to military GPS blocking

https://media.wired.com/photos/6a4f0a349f3bd3f0e4eec6af/16:9/w_640%2Cc_limit/undefined
This past May, a twin-engine Beechcraft King Air medevac plane took off from Roswell, New Mexico, and headed west to the town of Ruidoso to pick up a patient. It shouldn’t have been a challenging flight for the two pilots and two nurses aboard. The temperature was 69 degrees; the sky was clear. The 60-mile journey normally takes a half hour, at most. But once airborne, the plane ran into ...

Show HN: Simple algorithm and color space to generate diverse skin tones

https://toneyalexander.github.io/inclusive-color-space/img/cloud.png
A custom color picker based on a color space was created to represent human skin tones digitally, aiming to identify a broad and inclusive range of colors that correspond to plausible skin tones. The color space was developed using principal component analysis and manual fitting of spherical equations to a dataset of labeled skin tones, resulting in a color picker with three independent ...

Zero-Mem: Zero-Token Memory Operations for LLM Agents

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Zero-Mem is a system that eliminates LLM calls and token consumption from memory operations by using interaction traces as its source of record. It achieves competitive performance on long-memory and long-context question-answering benchmarks while reducing memory-operation time cost by 57.6%.

The Pneumatics of Hero of Alexandria (1851)

Editors Preface.

IP and DNS Leaks in WebKit Affecting Proxy Browsers and iCloud Private Relay

https://mysk.blog/assets/img/common/psylo-iOS-Default-1024x1024@1x.webp
WebKit-based browsers on iOS and macOS can bypass proxy settings through three features: DNS prefetching, WebAuthn Related Origin Requests, and WebTransport. These leaks expose users' real network and IP addresses, affecting Apple's iCloud Private Relay and all iOS Tor browsers, including Psylo.

Show HN: Maple-Preview – Ternary 20B MoE running at 120 tok/s on a iPhone

DeepGrove is an independent AI research lab building efficient language models that run anywhere.

Birduino: A card-triggered audio player for [learning] the birds

https://hannahilea.com/blog/birduino/assets/assembled.png
It consists of a deck of bird cards, an audio player, and a card reader. Tapping a card triggers playback of one of the vocalizations associated with that bird. You can trigger a bird-of-choice to learn its calls, or pick a random card and keep it hidden as you try to guess the bird from its call alone.1 At the heart of this build is a TonUINO, an open-source audio player first developed by ...

In Memory of My Wife, Elise Cawley, with Thanks for 36 Wonderful Years

https://content.wolfram.com/sites/43/2026/08/sw08032026eliseimg1A.png
Elise Cawley, a brilliant mathematician, was a loving wife and mother who lit up her husband's life with her intellect, love, and energy for 36 years. She was a forceful intellect, kind and sweet, with a deep love for truth, beauty, and her family, and her legacy will be remembered through her remarkable life and work.

DuckDB – Data power tools for your laptop, now in Clojure (2023)

TMD, a column-major data processing platform, can leverage DuckDB's vectorized SQL execution engine for efficient large dataset processing. The integration enables functional data science solutions on laptops, reducing the need for expensive distributed solutions.

Eight Myths on Software Engineering and GenAI

The website is using Cloudflare security and blocked my action, possibly due to a trigger like a certain word or SQL command. I was trying to perform an action when this page came up, and the Cloudflare Ray ID is needed to report the issue to the site owner.

Rio-vt and librio: Rio's terminal engine, now embeddable

https://rioterm.com/assets/banner.png
Rio 0.5 splits its terminal engine into two layers: rio-vt, a safe Rust crate for terminal functionality, and librio, a C ABI for embedding a terminal in other languages. Both layers are lean and can be used to create a real terminal in various applications.

Bugtraq is back

https://lists.securityfocus.com/mailman3/static/hyperkitty/img/logo.png
Bugtraq, a full disclosure mailing list, has been revived with the same mission of researcher-first, no corporate filter. The list aims to preserve cybersecurity history and knowledge by archiving valuable work and research.

An SLM trained on $8 ESP32-S3

https://raw.githubusercontent.com/Carloscodix/qapla/main/assets/training-alt.jpg
Researchers trained a language model from scratch on an $8 microcontroller, an ESP32-S3, to learn the Klingon language, demonstrating that a small chip can learn a language without prior training or internet access. The model, which took hours to train, learned the structure of the language and generated text that resembles Klingon, but is not fully meaningful, showing that a microcontroller ...

Why is it all in the kernel?

A bug in Lean's kernel was exploited to prove the negation of the Collatz conjecture, but the proof was later found to be incorrect. The incident highlights the limitations of proof objects and the importance of keeping proof calculi separate from the kernel to ensure soundness.

AI fuels more than half of cybercrime in Africa as scams surge – Interpol

https://static.euronews.com/articles/programs/africanews/280x130_news.jpg
Artificial intelligence is powering 55% of reported cybercrime in Africa, allowing criminals to launch faster and more convincing attacks. Cybercrime-related financial losses have risen sharply to $484 million, with online scams and AI-powered fraud being the most common forms.

There Will Come Soft Rains (1950) [pdf]

We finally learned to center a div, then browsers added sidebars

The user needed to center a div on a webpage with a sidebar, but the div was offset due to the sidebar's width. They used JavaScript and pointer events to calculate the correct position, creating a tool called center to automatically center elements on any webpage.

libexpat now funded by the City of Munich for up to 6 months

The libexpat project has ended its security vacation and the maintainer will be paid to work on it for 6 months. They will prioritize fixing vulnerabilities and appreciate help from the community in finding and reporting further issues.

Video2NAND – Abusing video codecs for great computational power

We will use the VP8 video codec to simulate combinatorial logic by abusing its prediction mechanisms. We will build up a set of composable "gadgets" to construct arbitrary logic circuits using key-frames and prediction modes.

Waymo in Dallas

https://lh3.googleusercontent.com/UpGFncEYbr15chkw9d8DPh26pB8KSQq98ds8DQBSI96OgziXaaUYsebvbdgAS1a-e29jRUm2AqAmJwB-1M_B9BEtrWwfBNBNIg=e365-s420
Waymo is now offering fully autonomous rides to everyone in Dallas through its app. The service aims to provide safe and reliable transportation options for locals and tourists alike.

Flowise is shutting down

https://remarkable-smakager-ddb2b7.netlify.app/opengraph-image.png?9ccfc0cd89ea0cda
Flowise is winding down operations due to developers increasingly relying on new coding agents for complex tasks. The Flowise GitHub repository will be moved to Public Archive status, allowing users to fork the code and maintain their own updates.

Godox Transparent Viewfinder Camera C100

https://www.godox.com/static/upload/image/20260701/1782892689683631.jpg
The Godox C100 camera features a transparent viewfinder and built-in light meter for effortless shooting, stripping away complexity and pressure. It doubles as a sleek external light meter and connects to phones via Type-C for instant preview and sharing.

Xbox goes down. You can't play games you own on disc

An Xbox outage blocked users from playing both digital and disc-based games. The author prefers PC gaming because it allows for maintaining access to games despite digital issues.

Show HN: SIMD Viterbi Decoder in Rust

https://opengraph.githubassets.com/f7047a1dda901632799dbde587bb5667ed96af4e40c7227985c4559259320551/brian-armstrong/fec
The fec crate supports various forward error correction codes including convolutional codes and Reed-Solomon codes. It provides a Rust implementation for decoding and encoding these codes with optional SIMD acceleration.