2. Show HN: Guitoro, a virtual guitar you strum with your keyboard (guitoro.com)
The most realistic and most complete virtual guitar online. Play it with your keyboard or by touch, slow songs down and see which strings each strum hits.
Guitoro lets you play a virtual guitar in your browser, offering a range of instrument types and practical tools for learning. With features like adjustable playback speed and no signup required, it’s an accessible option for music enthusiasts looking to practice or experiment with guitar sounds.
3. Ledger confirms hidden chip in crypto wallet amid $92M theft claims (crypto.news)
Ledger confirms a hidden hardware implant in a customer's wallet as CryptoBilis halts sales amid an investigation into reported crypto thefts.
Ledger has acknowledged the presence of a concealed chip in its crypto wallet, coinciding with investigations into significant theft claims. Meanwhile, CryptoBilis has paused its sales as scrutiny intensifies over these security concerns.
4. Redesigning Source Control at Anthropic (www.anthropic.com)
As our merges per day grew more than tenfold, source control became our biggest development bottleneck. Here, we share how we migrated to an in-house version control system in five months.
Anthropic faced significant challenges with source control as their merge frequency skyrocketed, leading to development delays. They detail their successful transition to a custom version control system within five months to address these issues.
5. Apple HomeView (www.apple.com)
Apple HomeView is a smart display with Siri AI, Liquid Retina display, high-fidelity audio, FaceTime, smart home controls, built-in privacy, and more.
Apple’s new HomeView smart display combines a Liquid Retina screen with high-fidelity audio and Siri AI, offering features like FaceTime and smart home controls while prioritizing user privacy. It’s designed to enhance both entertainment and home automation experiences.
6. Thunderbird for iOS (blog.thunderbird.net)
The team has been working hard behind the scenes laying a strong foundation for the Thunderbird iOS app, building natively from scratch.
The Thunderbird team is developing a new iOS app from the ground up, focusing on creating a solid foundation for its features and functionality. This effort signals a significant expansion of Thunderbird’s reach beyond desktop platforms.
7. 11 year old unsoundness bugs found in Rust borrow checker (github.com)
In the following code: use std::sync::Mutex; static KEPT: Mutex<Vec<Box<dyn std::any::Any + Send>>> = Mutex::new(Vec::new()); struct Q<T: 'static + Send>(Option<T>); impl<T: 'static + Send> Drop fo...
8. OpenAI engineer arrested in bugging of executive conference room (sfstandard.com)
Federal prosecutors say an employee from Saudi Arabia planted an audio recorder and left another unattended in his bag.
9. AlphaNIST (alpha-nist.github.io)
Learning dexterity and coordination for robotic assembly in simulation, with binary task rewards and no prescribed manipulation stages.
A new approach to training robots focuses on developing dexterity and coordination for assembly tasks using simulations that reward binary outcomes, rather than following predefined steps. This method could enhance robotic efficiency and adaptability in complex tasks.
10. Mozilla Introduces Firefox Enterprise (www.firefox.com)
11. I posted to HN, and then my website was flooded with AI bot traffic (www.sammystraus.com)
12. Show HN: Pulse Local, a Mac budgeting app whose AI models run on your machine (pulseos.finance)
13. The United Kingdom Generates Less Electricity per Person Than in the 1970s (ourworldindata.org)
Globally, electricity generation per person has grown by more than 50% this century.
The UK is lagging behind global trends, generating less electricity per person now than it did in the 1970s, highlighting a significant shift in energy output compared to other nations. This decline raises questions about the country’s energy policies and future sustainability.
14. Apple's new 'Switch to Safari' campaign details why you should ditch Chrome (9to5mac.com)
Apple is kicking off a new campaign today to promote Safari’s benefits over Chrome. With a new “Switch to Safari”...
Apple is launching a campaign highlighting the advantages of using Safari instead of Chrome, aiming to persuade users to make the switch. The initiative emphasizes Safari’s unique features and performance benefits.
15. Apple unveils the new Apple TV 4K, supercharged by Siri AI (www.apple.com)
Apple today announced the next generation of Apple TV 4K, delivering its most immersive home theater experience yet.
The latest Apple TV 4K features enhanced capabilities for a more immersive viewing experience, powered by Siri AI. Discover what new functionalities and upgrades make this device stand out in home entertainment.
16. An hour of audio transcribed in about 13s on MacBook Air (eg2.haku.sh)
An embedding model, turned into a speech-to-text model. An hour of audio in about 13 seconds on a base MacBook Air, on device.
A new speech-to-text model can transcribe an hour of audio in just 13 seconds on a standard MacBook Air. This impressive performance highlights advancements in on-device processing capabilities.
17. Physical Intelligence API Beta: Frontier Models for Every Robot (www.pi.website)
Our latest robotics models are now available through the Pi API beta. Upload data, fine-tune models, and deploy cloud-hosted inference on your own robots.
The Pi API beta allows users to access advanced robotics models, enabling data uploads, model fine-tuning, and cloud-hosted inference for personalized robot deployment. Discover how this tool can enhance your robotics projects.
18. MIT class project turns into an FDA-cleared treatment for tremors (news.mit.edu)
Encora Therapeutics, which developed a wrist-based device that reduces essential tremor, started as a project in MIT’s famous product-design class, 2.009 (Product Engineering Processes).
A wrist-based device designed to alleviate essential tremors has transitioned from a class project at MIT to an FDA-cleared treatment. This innovation highlights the potential of academic initiatives to lead to real-world medical solutions.
19. Show HN: Parsimony – an open-source benchmark for how much code AI models add (parsimony.lasu.dev)
An open-source benchmark of how much code AI models add.
Parsimony introduces a new way to evaluate AI models by focusing on how much additional code they generate, which can complicate long-term project maintenance. By counting “coding units” instead of just lines of code, it aims to provide a clearer picture of code quality and manageability.
20. Hiking the world in search of rare cheeses (www.bbc.com)
Trevor Warmedahl has spent years documenting rare and traditional cheesemaking methods, and believes that "cheese is an edible manifestation of a place".
Trevor Warmedahl shares his journey to uncover unique cheeses from around the globe, highlighting how these artisanal creations reflect their local cultures and landscapes. His dedication to traditional cheesemaking methods offers a flavorful glimpse into the world’s diverse culinary heritage.
21. Show HN: Spotatui, a Spotify TUI/GUI without web API rate limits (github.com)
A fast, standalone terminal music player in Rust: native Spotify streaming plus local, Subsonic, radio, Qobuz and Youtube sources - LargeModGames/spotatui
Spotatui is a new client for Spotify that overcomes the limitations of the Spotify web API, allowing for a smoother user experience without the usual rate limits. After reviving an earlier project, the developer has worked extensively to address various challenges, making it a notable alternative for Spotify users.
22. Apple's Minions: A virtual GPU cloud built from idle Apple Silicon Macs (machinelearning.apple.com)
The increasing demand for GPU-accelerated machine learning inference has exposed limitations in centralized GPU infrastructures, including…
Apple is tapping into idle Apple Silicon Macs to create a virtual GPU cloud, addressing the growing need for GPU-accelerated machine learning. This initiative aims to overcome the constraints of traditional centralized GPU infrastructures.
23. Gemini 4 Argon for Robotics Blog (developers.googleblog.com)
Discover Gemini 4 Argon for robotics: leading the ERQA benchmark with physical reasoning, zero-shot control, Real2Sim, and agentic workflows.
Gemini 4 Argon is setting new standards in robotics by excelling in the ERQA benchmark, featuring advanced physical reasoning and innovative zero-shot control capabilities. Its integration of Real2Sim and agentic workflows makes it a significant development for the future of robotic applications.
24. The Four Colour Theorem: The first time machines mogged mathematicians (newsletter.pessimistsarchive.org)
25. Maybe a better way to track the release history of a Git repo (blog.plover.com)
From the highly eclectic blog of Mark Dominus
26. How to engineer an AI harness for game development (kylekukshtel.com)
Exploring practical ways to make your game more legible to AI agents and how to make agentic iteration faster.
Learn practical techniques to improve AI understanding in your games and speed up the iteration process for AI agents. This guide provides actionable insights for developers looking to enhance their game design with AI.
27. IDRs as Records of Intent (wrla.ch)
In Writing the Docs: 2026 Edition , I talked a little bit about IDRs (Implementation Decision Records, a pun on
28. Character.ai files for Chapter 11 bankruptcy (blog.character.ai)
Today, we’re sharing that Character.ai has initiated a voluntary Chapter 11 bankruptcy process to facilitate a court-supervised sale of the company.
Over the past year, we’ve taken meaningful steps to sustain and improve our business amid significant legal, regulatory, and operational headwinds. After a comprehensive review
Over the past year, we’ve taken meaningful steps to sustain and improve our business amid significant legal, regulatory, and operational headwinds. After a comprehensive review
Character.ai is undergoing Chapter 11 bankruptcy to enable a court-supervised sale, following a challenging year marked by legal and operational difficulties. The company is taking steps to restructure and find a new path forward.