Bleached corals thrive within days when touching healthy neighbour

https://media.nature.com/lw767/magazine-assets/d41586-026-03266-x/d41586-026-03266-x_53851620.gif
Scientists have restored bleached coral in a lab by touching it to healthy fragments, giving hope for reversing widespread decline. This process allows the coral to regain its color and nutrients through symbiotic algae transfer.

Dam removals are bringing fish back across the northeastern United States

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A dam removal movement in the US has led to over 2,500 miles of waterways being reconnected since 2024, with many more dams expected to be removed. The effort aims to restore habitats for fish species such as salmon and alewives that were previously blocked by dams.

Furifont, a Japanese font that shows furigana

https://furifont.antfu.me/og.png
Furigana is a Japanese font that shows readings on the text itself, supporting custom fonts and working everywhere. It uses ligatures to adopt pronunciation of words and can be installed as a bookmarklet or userscript for easy use.

The Commodore 64 hardware simulator: break chips and pins, see the results

https://raw.githubusercontent.com/antirez/c64-hw-simulator/main/docs/char-rom.gif
The C64-hw-sim program simulates the Commodore 64 motherboard at a pin-by-pin level, allowing users to test and diagnose faults without damaging the hardware. It runs on macOS and Linux with OpenGL graphics library and interface library nuklear.

DeepSeek-v4.1-Flash-1017

https://cdn-thumbnails.huggingface.co/social-thumbnails/models/deepseek-ai/DeepSeek-V4.1-Flash-1017.png
DeepSeek-V4.1-Flash is a minor update with improvements in reasoning, coding, and visual benchmarks. It reduces task execution time and output length for faster completion at lower cost.

Making chicken transparent using Dorito dust

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The author attempted to make chicken breast transparent by soaking it in a tartrazine solution, similar to a paper that achieved optical transparency in live animals. The goal is to change the refractive index of water inside the tissue to match its embedded media, making it more transparent and allowing for better imaging.

Pele – Mermaid diagrams as themeable SVG

https://pele.run/social.png
Pele is a library that renders Mermaid diagrams to SVG with customizable CSS variables. It's used to create flowcharts and other diagrams, rendering them as SVG elements in the browser.

Gold is now the top U.S. export

https://www.numismaticnews.net/uploads/2025/04/1861-s-paquet-obverse-1.webp?format=auto&optimize=high&width=1440
The US is exporting more gold than usual, with most going to Switzerland and Hong Kong, possibly due to foreign governments' concerns about the dollar's value. This surge in exports may be linked to China's growing gold reserves and its efforts to reduce reliance on the US dollar.

Source code of the Estonian online voting system

https://opengraph.githubassets.com/71d2f24f40a913827cc94ab00f7816b67c491c8f28fb090457b62229edfdc910/valimised/ivxv
This repository provides public access to the Estonian online voting system's source code, which is used for legally binding elections. The actual development is supervised by Estonia's State Electoral Office.

Microsoft and CMU Team Up to Train Early Career Software Engineers

https://www.cs.cmu.edu/files/images/scs-ms-praise-program.jpg
Jace Watson, a software engineer at Microsoft, is taking classes through Carnegie Mellon University's PRAISE program to learn how to fully utilize AI tools in his work. The program offers online courses and hands-on mentorship to early career engineers seeking guidance on using AI in the rapidly changing computer science landscape.

Types of types: Haskell's Kind system

Haskell's Kind system allows classification of types and type constructors, enabling higher-kinded types and more expressive type systems. The author leverages this to build typed Redis configurations with custom Kinds and higher-kinded data for safer, reusable code.

Solar surpasses nuclear power globally for first time

https://www.pv-magazine.com/wp-content/uploads/2024/05/Emiliano-Bellini-500x500-1.png
Solar and wind power have surpassed nuclear globally, with solar generation leading for the first time in 2025. The World Nuclear Industry Status Report highlights nuclear's slow growth and lengthy construction timelines compared to renewables' rapid expansion.

Show HN: High-quality duck audio synthesizer

p peas · h headphones · space pause · rings at 5, 10, 20 and 40 m A small flock of mallards going about their day: three hens, two drakes and two broods of ducklings. No recordings. Every quack is synthesized as it happens and heard from where you stand on the bank. I'm wearing headphones

Laser Fault Injection on a Budget: RP2350 Edition

https://courk.cc/rp2350-challenge-laser/assets/derivatives/article-medium/1x/top_bottom_ic.webp
Raspberry Pi's RP2350 microcontroller was targeted in a hacking challenge, where a custom laser fault injection platform was developed to bypass the Secure Boot feature. The platform uses an infrared high-power laser source and can be built on a budget of less than €10.

Codex Desktop continuously generates Crashpad pending dumps

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The user's Codex Desktop app is experiencing unbounded local disk growth due to continuous Crashpad dump generation, despite remaining functional. The issue appears to be a background process continuously generating pending dumps without cleanup or rotation.

You could have invented transformers from memory

https://alexwang.ai/images/kea/painting.webp
The author discusses how large language models can recall obscure facts from every corner of the world, and how this ability is similar to a memory store that holds key-value pairs. The author then develops an intuitive way to look at linear maps, MLPs, and self-attention as different kinds of memory stores.

Artie (YC S23) Is Hiring Enterprise AES and Senior Engineers

https://www.artie.com/opengraph-image.png
Join us in building the future of real-time data streaming. We're looking for exceptional people who care about craft, speed, and impact.Powered by Ashby

Development statistics for the 7.2 kernel

Linus Torvalds released the 7.2 kernel, which had a record-breaking number of non-merge commits and developers contributing to it. The kernel's development community is changing with more new developers entering the community, but also concerns about code quality due to large numbers of lines of code and automated patches.

Chrome and Edge are removing XSLT: what breaks and what does not

The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later. Additionally, a 503 Service Unavailable error was encountered while trying to use an ErrorDocument to handle the request.

I Became a Citizen of Japan

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The author shares their experience of the naturalization process in Japan, detailing the lengthy and bureaucratic requirements. They successfully completed the application after multiple attempts and received their citizenship certificate, but were frustrated with some aspects of the system.

Show HN: Parin – A 2D game engine between raylib and Godot, written in Dlang

https://private-user-images.githubusercontent.com/53071962/670563664-650c9a3f-7392-48dd-836a-477d8dbd4c94.gif?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.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.12EKlBR4Tg0H9i654wVLsQu49caHweT4645ijupU5TE
Parin is a 2D game engine for D, offering code-driven design and flexible abstraction with optional garbage collection. It's easy to set up and hackable, with examples and documentation available for installation and usage.

OpenCode Hacked: User credentials leaked

https://pbs.twimg.com/media/HU2d6eHawAEOwP7?format=webp&name=large
We had a security breach last night related to a large scale distillation attack that impacted 1.4% of OpenCode Console users We have notified them all this morning via email The incident is ongoing so we cannot share more details at this point but we are working with Anthropic, OpenAI, and Google to remediate

Vintage Cassettes: 1963-2010

This website showcases vintage cassettes from 1970-1990, organized by brands and years produced. It covers three markets: US, Europe, and Japan.

A skeptic's first contact with Kubernetes (2024)

https://blog.davidv.dev/posts/first-contact-with-k8s/assets/concepts.svg
The author, a systems administrator, learned about Kubernetes and its components such as control loops, services, workloads and storage. They found the concepts to be sensible and useful for managing resources.

Rendering pretty sky in Around The World game

https://frozenfractal.com/blog/2026/10/12/around-the-world-34-a-pretty-sky/cloud_lut_old.jpg
The author of a game development blog has been working on a realistic sky simulation in their game, using Godot as the engine. They've made several tweaks to achieve a more accurate representation of how clouds interact with light.

Show HN: Esp32sim – Run ESP32 firmware in the browser

https://raw.githubusercontent.com/mikroverk/esp32sim/main/docs/assets/esp32sim-logo-icon.png
esp32sim is an emulator that runs ESP32 SoCs, including the S3 and C6 models, with unmodified application images. It boots real mask ROMs and 2nd-stage bootloaders without patched firmware or stubs.

Pattern matching beats narrative reasoning

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The author argues that narrative reasoning is flawed for making strategic decisions due to its inability to capture the complexity of reality. Instead, pattern matching and intuition can be more effective in finding opportunities others have underestimated.

The future of programming (1982)

The nature of programming is changing with improved tools and environments, leading to increased productivity and automation. This shift will result in a more analysis-oriented role for application programmers, enabling them to tackle complex systems that were previously unaddressable.

Show HN: Llmspeed – feel how fast a local LLM runs before you buy the hardware

https://llmspeed.dev/og.png
Estimates for a short prompt on a single device. Measured numbers come from community benchmarks (r/LocalLLaMA, localscore.ai and more); others are derived from similar setups or projected from specs. Open source on GitHub.

Show HN: Things to Do API

https://thingstodoapi.com/og.png?v=2
The API search query found a comedy event in San Francisco this weekend. The event is titled "Drag-Up Comedy" at Cobb's Comedy Club on October 18, 2026.