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.

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.

Pg_vectorsearch: An index that is faster than pgvector's IVFFlat and HNSW

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PRISM is a PostgreSQL-native index access method that offers faster querying and index building compared to pgvector's IVFFlat and HNSW. It can be used with native types or existing pgvector tables, allowing seamless integration with PostgreSQL.

ASML's strong orders ease fears AI spending boom is running out of steam

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TV4 postpones show after AI agent erases edited material

A TV4 programme's edited season was deleted, but the network denies an AI agent caused it. The actual cause is a technical failure that will delay the premiere until 2027.

Amazon pushes up prices 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.

The Gold-Bug: Edgar Allan Poe's story that taught me about cryptography (2024)

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The author shares their experience with Edgar Allan Poe's short story "The Gold-Bug" which introduced them to cryptography, a science of secret messages. The story follows a protagonist who cracks a pirate's treasure code using logical reasoning and frequency analysis.

Pulsar at ESUG 2026 (new Smalltalk IDE)

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I presented Pulsar, a new Pharo IDE focusing on coding and system understanding, at ESUG 2026. It aims to help programmers navigate and modify code effectively with generative tools.

Sound – Bartosz Ciechanowski (2022)

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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.

Show HN: A guided 3D Leonardo da Vinci museum, built in code

The label names what you see. The drawer explains the evidence. The record gives the full sources, measurements and licences. Certainty words distinguish documented, reconstructed, conjectural and not known. The museum labels the reproduction, not the painting.

The Aaronson Oracle

https://aaronsonoracle.com/img/shannon-nimwit.jpg
A 70-year-old experiment, SEER, built by David Hagelbarger in the 1950s uses relays to predict a player's next move in matching pennies. The machine beats its opponent about 55% of the time.

The Origin Story of Kid Pix

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The author, a photographer, discovered his passion for programming after being introduced to computers in the 1970s and developed Kid Pix, a user-friendly painting program.

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

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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.

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

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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.

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.

Same Job, Two Engines: InnoDB and Iceberg Internals

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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.

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.

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

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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

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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."

CPI-U rises 7.2% annualized in September (3.7% YoY)

The BLS prohibits automated programs from accessing data without following their usage policy to prevent delays and ensure timely access. Users can report errors by contacting the BLS.

Who Is Planting Backdoors in Ledger Crypto Wallets?

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Ledger has found backdoors in some of its wallets sold in SouthEast Asia, allowing thieves to steal $102 million in crypto. Ledger is investigating and has asked the seller to halt sales until it can conduct a full investigation.

Eric Binnion has died

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Eric Binnion received the Distinguished Janitor Award, Automattic's highest honor, and will receive an extra header in Nginx for 30 days. A physical memento of a tungsten cube was given to him during chemotherapy.

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. C use computer · M use CD player · Z zoom TV · 1–6 monitor buttons

The Genealogy of Eliza

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A project analyzes ELIZA program implementations as biological specimens, using phylogenetic methods to trace their evolution across decades and languages. The study identifies a basal clade of original ELIZA versions and derived simplifications, highlighting architectural similarities and divergences.

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.

AI Laser Locking for Quantum Computers: How QuEra Automates It

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QuEra's AI model has developed control logic for its quantum computers, achieving expert-level performance and verifying it against independent measurement. The Model Hardware Standard (MHS) enables autonomous recovery in seconds, reducing downtime and increasing scalability.

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

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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

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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.

Ledger confirms spy chip implant behind wallet crypto thefts

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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.

Show HN: How random are you?

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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.