Iosevka is an open-source, sans-serif and slab-serif, monospace font

Iosevka is an open-source sans-serif and monospace typeface designed for coding, terminals, and technical documents. It offers two widths: Normal and Extended, with the latter providing more breathing space between characters.

Agent erased full season of "The Challenge Swe": "Hundreds of days of work gone"

Aviaduct translates websites or text into multiple languages side by side.

Gemini 4 Argon

https://lh3.googleusercontent.com/L2RZ2dA-KPaLf303wfujyUYfqoRzrtr1mXm5pJ2E1VQAcm36eTl4HnJ7RwmQ46q-J8SezgvqABvDAMWz-pV_n5ydP16-Jpk2t7xCZdHk4OGEyWLsvQ=w1440-rw-lo
Gemini 4 Argon is a highly advanced AI model that excels in various domains, including long-horizon software engineering, scientific research, and enterprise knowledge work. It achieves significant improvements in accuracy and performance compared to previous models, with applications in fields like healthcare, finance, and robotics.

Show HN: Building an LLM from Scratch in TypeScript

https://book.humanexperiences.io/book-cover.jpg
Learn how large language models actually work by building one from scratch in Node.js and TypeScript. Dataset, dataloader, attention, transformer block, GPT, and the training loop built up chapter by chapter.

I let an AI run my startup for a week

https://firebasestorage.googleapis.com/v0/b/paper-website.appspot.com/o/xc4sR7hXDtRiHQ9HeqbzlQ2O9Vv1%2FppRd7MWIR2a1BDbOQdwp%2FSiteImages%2F1791970727820.png?alt=media&token=a43454ac-ffc3-414b-8a33-b8c520eb60c6
The author, a solo entrepreneur/developer, has started using Grok Bot to automate tasks and is enjoying the experience. This has allowed them to focus on bigger projects and explore new ideas, such as content marketing and startup vlogs.

Pulsar at ESUG 2026 (new Smalltalk IDE)

https://blog.lorenzano.eu/content/images/size/w100/2026/01/44d80bc3-aa40-4514-86d4-4d7988251575.png
At ESUG this year —2026, for those reading this from the future— I presented Pulsar, a new IDE for Pharo, with a strong focus on coding. That may sound like an obvious thing for an IDE to focus on. But in these days of RAD reborn in the form of generative agents, perhaps it is not so obvious after all. Pulsar comes from a fairly simple idea: programming tools should help programmers ...

AI Laser Locking for Quantum Computers: How QuEra Automates It

https://cdn.prod.website-files.com/643d2eea03135260bdaca209/6a8f16736d11b723894812c2_State%20of%20Practice%20Before%20and%20After%20the%20Pilot.png
QuEra automated laser relocking using AI, achieving 99.3% success in recovering from disturbances. This enables scalable, autonomous quantum computing by reducing reliance on expert intervention.

Sound – Bartosz Ciechanowski (2022)

https://ciechanow.ski/images/og/sound.png
This article explains the nature of sound, from its creation and propagation through air to its perception by humans. It uses visualizations and simulations to illustrate how pressure waves are generated by vibrating objects, such as a plate or a string, and how they interact with their surroundings.

Ledger confirms spy chip implant behind wallet crypto thefts

https://www.bleepstatic.com/content/hl-images/2026/10/12/Ledger.jpg
Ledger has confirmed that some of its devices sold through Southeast Asian reseller CryptoBilis were compromised with a hardware implant draining users' cryptocurrency wallets. The company is investigating and working with authorities to identify the perpetrator.

What agents mean for Rust (and vice versa)

https://smallcultfollowing.com/babysteps/assets/2026-10-14-agentic-dev-and-rust/sheldon.gif
The author, a programming language designer, discusses the impact of Large Language Models (LLMs) on their career and the future of programming. They conclude that humans will still have a role in programming and that Rust is well-suited for agentic development due to its performance capabilities and type system.

Redesigning source control at Anthropic

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Anthropic built Scion, an in-house version control system to support its high code merge rate of 30,000 per day. The system is designed for large monorepos and uses a server-client architecture to reduce the need for local repositories.

Show HN: Guitoro, a virtual guitar you strum with your keyboard

https://guitoro.com/brand/guitoro-social.png?v=gold-cutout-medium
Guitoro is a free online virtual guitar that allows users to play along with songs, learn chords and strumming patterns, and even record their own performances. It features realistic recordings of real instruments and offers various settings for tempo, capo, and strumming style.

AOSP Source Releases Are So Late Developers Disassemble Libraries to Report Bugs

https://opengraph.githubassets.com/faa19897607d84aad613f66ea165a6363ff4d54160d84554507628d175f561b1/android/ndk/issues/2260
The Android 17 build has a bug in wcscspn() and wcspbrk() functions, which incorrectly stops scanning at the first character of a string greater than or equal to U+0100.

Same Job, Two Engines: InnoDB and Iceberg Internals

https://marcpaul.io/_astro/v1-row-counts.BDmePdEj_1cJA50.webp
The author's stock analysis repository evolved from an OLTP engine to a lakehouse, utilizing Apache Polaris, MinIO, and Iceberg for optimized queries. The lakehouse design allows for efficient reads and writes with minimal locking.

900-Page Pre-Pantone Guide to Color from 1692 (With Complete High-Res Scan)

https://cdn8.openculture.com/2026/10/11221313/Boogert2-2-1024x523.jpg
A 900-page book on color mixing created by A. Boogert in 1692 predates modern color theory and features over 700 pages of color swatches, but its practical application is unclear. The book, meant to educate watercolorists, remains a rare and unique insight into the workshop of 17th-century painters.

Felix Rieseberg Homepage

https://storage.ghost.io/c/89/e0/89e08557-681a-40be-8264-278bf46d6b25/content/images/2026/10/facebook-card.jpg
I work on Claude at Anthropic. Electron co-maintainer. Maintainer of too many little open source projects. Some of it is on VHS.

Who Taught the Machines Mathematics?

https://nisheethvishnoi.com/wp-content/uploads/2026/10/20230901_160534.jpg?w=768
On October 6, OpenAI released more than seven hundred mathematical manuscripts produced by an internal AI system, some accompanied by formal proofs in Lean and others at different stages of verification. I could not bring myself to go through the list of papers. I was reminded of 2021, when I chaired the FOCS program committee and roughly four hundred submissions arrived over a couple of ...

The United Kingdom generates less electricity per person than in the 1970s

https://ourworldindata.org/cdn-cgi/imagedelivery/qLq-8BTgXU8yG0N6HnOy8g/afa0667a-eba6-4897-6db0-1ea646fadf00/w=680
Electricity generation per person in the UK has declined by a third since its peak in 2003, with levels now matching those of the late 1960s. The decline is attributed to deindustrialization and improvements in energy efficiency rather than just changes in electricity imports.

Recreational Programming

https://www.cphiri.dev/logo.png
Programming for the joy of programming itself - not for work, not for money, not for external requirements. "The goal isn't to become any of these programmers. It's to remember why you started coding and keep that curiosity alive alongside your career."

Strafe: A new open-source, E2E Encrypted, and federated alternative to Discord

Strafe is a free and open source communication platform that champions free speech and privacy. Built by the community, for the community.

Who Is Planting Backdoors in Ledger Crypto Wallets?

https://storage.ghost.io/c/77/50/77508a24-24ec-49e5-99f8-d3dadb30a5ac/content/images/size/w2000/2026/10/Screenshot-2026-10-12-at-6.01.49---PM.png
After crypto wallet maker Ledger announced Friday that a backdoor embedded in a handful of Ledger wallets sold in SouthEast Asia allowed thieves to hijack around $102 million in crypto from their owners, news has emerged of other Ledger wallets sold in Germany also having implants. The hardware implants were originally found on an unknown number of Ledger Nano X wallets sold by an authorized ...

Ask HN: What is the current trajectory of a senior engineer?

Sorry

Amazon pushes up prices across the Internet

https://storage.ghost.io/c/f0/60/f060ef3f-d4e0-4af4-9255-1373fbf0a44f/content/images/size/w1024/2026/10/featured_02.png
Amazon's pricing strategies and fees push up prices across all retailers, not just its own site. The FTC's antitrust case highlights how Amazon's control over sellers forces higher costs on consumers everywhere.

Kcgi – minimal CGI and FastCGI library for C/C++

Kcgi is an open-source CGI and FastCGI library for C/C++ web applications, providing security features like sandboxing and process separation. It supports various features including auto-compression, authentication, caching, and formatted writers.

Show HN: How random are you?

https://lab.specr.net/rigged-draw/og.jpg?v=5f807115
Say numbers out loud as randomly as you can. Before each one, a predictor in your browser seals its guess, and a split-flap board shows how far ahead of chance it gets.

MIT class project turns into an FDA-cleared treatment for tremors

https://news.mit.edu/sites/default/files/styles/news_article__download/public/download/202610/MIT-Encora-Therapeutics-01-press.jpg?itok=Sua4209O
Encora Therapeutics developed a wristband device to help patients with Parkinson's disease and essential tremor, after a 2017 MIT project showcased its effectiveness in reducing tremors. The company received FDA clearance in February for its device, which uses mechanical vibrations to send signals to the brain, and is now available for patients who qualify.

PostEra (YC W20) Is Hiring AI Researchers for Drug Discovery

https://lever-client-logos.s3.us-west-2.amazonaws.com/70eac176-d8ca-4582-9706-dfe89c2fe3ca-1689005387384.png
PostEra is building an AI-first biotech to accelerate medicine discovery using its Proton platform. The company develops agentic research verticals for drug discovery, focusing on in-context learning and few-shot adaptation.

Arena Allocators in C

The article discusses arena allocators, a memory management technique that allows for efficient and flexible allocation of memory. It provides an implementation of an arena allocator in C, which enables developers to manage large chunks of memory more easily and reduce the risk of memory leaks.

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.

Grace Hopper Celebration Cancelled

The 2023 Grace Hopper Celebration in Anaheim, CA has been cancelled due to insufficient funding. Attendees are advised to cancel travel and hotel reservations directly with their providers.