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.

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.

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.

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.

Amsterdam police confisquates server left-wing ISP A/I at American request

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De Amsterdamse politie heeft een server van de Italiaanse internetdienstverlener Autistici/Inventati in beslag genomen op basis van een Amerikaans rechtshulpverzoek. De organisatie, die gratis webhosting en e-maildiensten aanbood aan 20.000 organisaties wereldwijd, is door de Amerikaanse regering als terroristisch bestempeld.

Show HN: Graphicle, a Rust port of Graphify with memory for coding agents

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Graphicle is a tool that creates a code graph, indexes repository files, and connects coding agents to provide cited excerpts from both the exact files and lines. It runs on your machine without an API key or account.

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

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Running Windows desktop tests from Linux with disposable VMs

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QA Wolf has developed a way to test Windows desktop apps by using disposable virtual machines, which are similar to mobile testing infrastructure and can be claimed, run, and released quickly. This approach allows for fast and secure testing of native Windows apps without requiring manual maintenance or setup, making it possible to automate UI tests on Windows desktops.

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.

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.

Sound (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.

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: 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.

Scientists Are Teaching Birds to Sing Lost Songs

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Researchers created a computer-generated version of a 1960s song by Buenos Aires' rufous-collared sparrows, which local birds began to imitate. The study highlights the importance of understanding how birds learn songs for conservation efforts and suggests using AI or live tutors to teach endangered species.

The Genealogy of Eliza

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The ELIZAGen project analyzes the code of various ELIZA implementations to reconstruct their phylogeny, treating them as biological specimens. The current corpus contains 27 specimens spanning six decades and eight languages, described by 13 binary features that are analyzed with PAUP* software to infer trees.

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.

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.

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.

LittleJS is 2D and 3D now

The method could not be performed on the resource because the server is unable to store the representation needed to successfully complete the request. There is insufficient free space left in your storage allocation. Additionally, a 507 Insufficient Storage error was encountered while trying to use an ErrorDocument to handle the request.

Nvidia's first GPU: GeForce 256

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Nvidia released the GeForce 256 in 1999, describing it as a GPU, but its predecessor TNT2 wasn't. Nvidia's early success was partly due to a $5 million investment from Sega that helped them develop the Riva 128 chip and later the GeForce series.

Strands Decider: Why Not an Encoder?

Strands-decider-2B uses a modified decoder architecture, not an encoder, due to performance and latency considerations. Encoder-decoder models like e1b show better latency but scale worse with longer prompts.

Gemini 4 Argon

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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.

The Four Colour Theorem: The first time machines mogged mathematicians

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Mathematicians Kenneth Appel and Wolfgang Haken solved the Four Color Theorem in 1976 using a computer, sparking debate about the validity of machine-made proofs. Some mathematicians rejected the proof due to its reliance on computers, while others accepted it as a significant breakthrough in mathematics.

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

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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

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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.

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."

RIP Eric Binnion

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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.

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.

Felix Rieseberg Homepage

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I work on Claude at Anthropic. Electron co-maintainer. Maintainer of too many little open source projects. Some of it is on VHS.

Has AI Tells

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