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Gluing and framing a 9000-piece jigsaw Published: 2025-10-26 | Origin: Hacker News In November 2023, the author began working on a 9000-piece Dragon Forest puzzle, completing it by early January 2024 after approximately 240 hours. They intended to glue and frame the puzzle as wall art, despite knowing some might disapprove of gluing jigsaw puzzles. The author quickly learned that the gluing and framing process was significantly more challenging than assembling the puzzle itself. Instead of framing it themselves, they opted to take the completed puzzle to a specialty frame store. Upon |
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GenAI Image Editing Showdown Published: 2025-10-26 | Origin: Hacker News Of course! Please provide the content you would like me to summarize. |
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PCB Edge USB C Connector Library Published: 2025-10-26 | Origin: Hacker News The content emphasizes the importance of user feedback and outlines the availability of a library for using PCBs as USB C connectors, specifically featuring 10 and 14 Pin versions. It includes instructions for integrating the library into KiCAD and EasyEDA, such as downloading the zip file for KiCAD and importing files for EasyEDA. It also mentions compatibility with other EDA tools like Altium and PADS, advising users to verify footprints after import. There is a repeated note about a loading error prompting users to |
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Pico-Banana-400k Published: 2025-10-26 | Origin: Hacker News The Pico-Banana-400K dataset is a comprehensive collection of approximately 400,000 text–image–edit triplets aimed at enhancing research in text-guided image editing. It features 35 editing operations across 8 semantic categories, encompassing a wide range of transformations from basic color adjustments to advanced object and scene edits. This dataset is developed through a two-stage multimodal generation pipeline and offers both diverse editing options and high-quality supervision. Pico-Banana-400K supports not only single-step |
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A worker fell into a nuclear reactor pool Published: 2025-10-26 | Origin: Hacker News The content emphasizes that .gov websites are official U.S. government sites, indicating their authenticity and security through the use of HTTPS. It notes that due to a lapse in funding, the Nuclear Regulatory Commission (NRC) has halted normal operations, but will continue essential activities related to health and safety and critical operations as outlined in Executive Order 14300. Additionally, it references the NRC Operations Center's event reports for the dates October 21-22, 2025. |
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The Linux Boot Process: From Power Button to Kernel Published: 2025-10-25 | Origin: Hacker News When you power on a computer, a sequence of events occurs before Linux loads, involving a process called a handshake between small programs and the CPU. Initially, the CPU resets to a basic operational mode known as real mode, which uses a simple method for addressing memory through two values stored in registers. The CPU starts from a specific address, called the reset vector, which directs it to the motherboard's firmware, often the BIOS (Basic Input Output System). The BIOS conducts a power-on self-test (POST |
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D2: Diagram Scripting Language Published: 2025-10-25 | Origin: Hacker News D2 is a diagram scripting language that allows users to create diagrams by describing them in text format. The name "Declarative Diagramming" reflects its purpose. Users can create a diagram by downloading the command-line interface (CLI), generating a file named input.d2, and running a command to produce the diagram image. The introduction can be completed in about 5-10 minutes, with a quick-start guide taking around 2 minutes. Additional resources include a downloadable cheat sheet and access to the source |
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Project Amplify: Powered footwear for running and walking Published: 2025-10-25 | Origin: Hacker News Nike has introduced Project Amplify, a pioneering powered footwear system designed to enhance the running and walking experience for everyday athletes. This system improves natural lower leg and ankle movements by incorporating a lightweight motor, drive belt, and a rechargeable battery into a carbon fiber-plated running shoe, which can be used with or without the robotic components. The aim is to help users move faster, longer, and with less effort, ultimately increasing enjoyment in their fitness activities. Project Amplify is part of a broader technological initiative |
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California invests in battery energy storage, leaving rolling blackouts behind Published: 2025-10-25 | Origin: Hacker News California has experienced a significant shift in its energy landscape, with no emergency Flex Alerts issued since 2022, marking a departure from previous decades of rolling blackouts. This change is attributed to substantial investments in the electrical grid, particularly in battery energy storage, which has increased over 3,000% since 2020, from 500 megawatts to over 15,700 megawatts. These batteries play a crucial role in storing solar energy for later use, enhancing grid reliability during peak |
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The Journey Before main() Published: 2025-10-25 | Origin: Hacker News Amit Prasad discusses his experience creating a RISC-V-based userspace simulator, focusing on the mechanics of how a program is executed in Linux. The core of the process is the `execve` system call, which initiates program loading by passing the executable file name, arguments, and environment variables to the kernel. Higher-level programming languages, like Rust, simplify this process through wrappers that translate command names to full paths, similar to how shells resolve commands via the PATH variable. Prasad |
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Show HN: Chonky – a neural text semantic chunking goes multilingual Published: 2025-10-25 | Origin: Hacker News Chonky is a transformer model designed to segment text into meaningful semantic chunks, facilitating its use in Retrieval-Augmented Generation (RAG) systems. It is now multilingual and processes text into coherent segments that can be integrated into embedding-based retrieval systems or language models within a RAG pipeline. The model is trained on sequences of up to 1024 tokens, despite the default mmBERT supporting sequences of up to 8192 tokens. A Python library named "chonky" has been created for |
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ChatGPT's Atlas: The Browser That's Anti-Web Published: 2025-10-25 | Origin: Hacker News OpenAI has released a new browser called Atlas, which is designed to actively limit users' access to the web. The browser presents itself as a conventional search tool but produces synthesized responses rather than traditional search results that link to external sources. For instance, a search for "Taylor Swift showgirl" yielded a summary of information that looked like a web page but lacked actual links, giving the impression of a web search when it was merely an AI-generated output. This raises concerns about users being confined to AI |
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Simplify your code: Functional core, imperative shell Published: 2025-10-25 | Origin: Hacker News The content discusses the importance of separating business logic from side effects in code to enhance maintainability, testability, and adaptability. It criticizes the practice of mixing these elements, using an example of a function that sends expiration notification emails, which combines business logic with database calls and email sending. To improve the code structure, it suggests adopting a pattern where a **functional core** contains pure, testable business logic free of side effects, while an **imperative shell** handles all interactions with external systems |
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Advice for New Principal Tech ICs (I.e., Notes to Myself) Published: 2025-10-25 | Origin: Hacker News The content outlines key characteristics of effective principal engineers and scientists, drawing on observations primarily from Amazon's perspective, though applicable to other tech roles. It emphasizes that different principals have varied strengths—some specialize deeply while others excel in broad influence, technical innovation, or organizational alignment. Key points include: 1. **Varied Approaches:** Each principal engineer can have a unique style, focusing on different aspects such as technical depth, simplification of complex concepts, or fostering collaboration across teams. Finding a style |
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Modifying a radiation meter for (radioactive) rock collecting Published: 2025-10-25 | Origin: Hacker News The Ludlum Model 3 is a robust and user-friendly radiation meter, notable for its analog display and lightweight (1.5 kg) design. It is widely available second-hand at reasonable prices, easy to repair, and capable of driving various Geiger tubes and scintillation detectors due to its adjustable high-voltage power supply. While Geiger tubes effectively detect alpha and beta particles, they struggle with surface contamination, often missing signals obscured by dirt. Scintillation counters are highly sensitive to gamma |
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What Is Intelligence? (2024) Published: 2025-10-25 | Origin: Hacker News Of course! Please provide the content you'd like me to summarize. |
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The Swift SDK for Android Published: 2025-10-24 | Origin: Hacker News Swift has evolved over the last decade, expanding its reach into various applications, including cloud services, Windows, browser apps, and microcontrollers. The Android workgroup, an open group focused on extending Swift to Android, has announced nightly preview releases of the Swift SDK for Android. This development follows months of community effort and allows developers to create Android applications using Swift, enhancing cross-platform development. The Swift SDK for Android is available with the Windows installer or can be downloaded separately for Linux and macOS. To |
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Harnessing America's Heat Pump Moment Published: 2025-10-24 | Origin: Hacker News Joseph DeNatale, an entrepreneur and project coordinator at Jetson Home, has written a guest post discussing the importance of execution in transforming ideas into reality, particularly in the field of home electrification and heat pumps. In the piece, which was originally published in Climate Drift and will be shared in five parts on Heat Pumped, DeNatale emphasizes that while the technology for heat pumps is available and advancing, the main challenge lies with homeowners, contractors, manufacturers, and policymakers who must embrace and implement |
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Unlocking Free WiFi on British Airways Published: 2025-10-24 | Origin: Hacker News The author describes their experience flying with British Airways from Hong Kong to London in June 2025. Unlike a previous flight in 2023, this time they discovered that British Airways offered free WiFi for messaging to members of "The British Airways Club," which is the airline's frequent flyer program. The author was able to sign up for this program in-flight without internet verification, allowing access to messaging services like WhatsApp, Signal, and WeChat (though not for image transfers), while Discord did |
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First shape found that can't pass through itself Published: 2025-10-24 | Origin: Hacker News The article discusses a mathematical inquiry into whether one object can pass through another by boring a tunnel through it. This concept was famously wagered by Prince Rupert of the Rhine in the 1600s, who proved that if a tunnel is drilled through a cube along its inner diagonal, another equal-sized cube can fit through, though only if the second cube is not more than 4% larger. The author, Tom Murphy, explores the broader implications of this property in various shapes, highlighting its significance in |