Published on November 26, 2025 at 06:00 CET (UTC+1)
Brand New Layouts with CSS Subgrid (92 points by joshwcomeau)
This article is a tutorial on CSS Subgrid, a newer CSS feature that extends grid layout capabilities to the children of a grid container. The author, Josh W. Comeau, explains that while it initially seemed like a minor convenience, Subgrid actually enables the creation of previously difficult or impossible web layouts. The post demonstrates practical examples of these new layouts and covers the basic mechanics and common pitfalls of using Subgrid.
Show HN: KiDoom – Running DOOM on PCB Traces (128 points by mikeayles)
This "Show HN" post presents KiDoom, a project where the classic game DOOM is made to run directly on the copper traces of a Printed Circuit Board (PCB). The creator, Michael Ayles, has achieved this by using the PCB's physical layout as the display medium. This represents a novel and extreme form of embedded systems engineering, pushing the boundaries of what can be considered a computer display.
Surprisingly, Emacs on Android is pretty good (63 points by harryday)
The author shares their positive experience using the Emacs text editor on an Android device. They detail the setup process, which involves Termux to provide a proper environment, and discuss the trade-offs, such as dealing with a small screen and a virtual keyboard. Despite these challenges, they found the experience surprisingly good for tasks like note-taking and managing todo lists, offering a powerful alternative to other mobile apps.
Space Truckin' – The Nostromo (2012) (35 points by exvi)
This blog post explores the design influences behind the spaceship Nostromo from the film Alien. It cites director Ridley Scott's inspiration from 2001: A Space Odyssey and, more significantly, John Carpenter's Dark Star, which introduced a "used," grimy, and realistic aesthetic to spaceship interiors. The article also notes that Alien writer Dan O'Bannon felt Dark Star didn't fully realize this "used universe" concept, which was later popularized by Star Wars.
Show HN: A WordPress plugin that rewrites image URLs for near-zero-cost delivery (35 points by cr1st1an)
This is a showcase for "Bandwidth Saver," a WordPress plugin designed to reduce hosting costs and improve site speed. It works by automatically rewriting image URLs to serve them from Cloudflare's global CDN and R2 storage, which offers zero egress fees. The plugin promises easy, one-click setup with no need for a Cloudflare account or DNS changes, and includes a fallback to the original server if the CDN fails.
A new bridge links the math of infinity to computer science (145 points by digital55)
This Quanta Magazine article reports on a significant breakthrough connecting descriptive set theory, a niche field of mathematics dealing with the properties of infinite sets, to computer science. Researchers have demonstrated that problems in this abstract mathematical domain can be translated into the concrete language of algorithms and computation. This new bridge between the two fields could lead to fresh insights and solutions for long-standing problems in both areas.
The myth of reflected power (2017) (12 points by pera)
Based on the title and source, this article appears to debunk a common misconception in radio electronics, specifically regarding the concept and dangers of "reflected power" in antenna systems. While the content preview is unavailable, the title suggests it argues that the perceived risks or interpretations of reflected power are not entirely accurate or are misunderstood by many hobbyists and engineers.
Show HN: We built an open source, zero webhooks payment processor (254 points by agreeahmed)
This "Show HN" post introduces Flowglad, an open-source payment and billing processing platform. Its key innovation is a "zero webhooks" architecture, which aims to simplify payment integrations by eliminating the need for developers to set up and manage webhook endpoints to receive payment status updates. The project is presented as a comprehensive, self-hostable alternative to commercial payment processors.
Trillions spent and big software projects are still failing (360 points by pseudolus)
This IEEE Spectrum article investigates the persistent and costly problem of large-scale software project failures. Despite trillions of dollars spent, these projects continue to fail at a high rate. The article analyzes the recurring managerial and strategic mistakes that lead to these failures, such as poor requirements gathering and underestimating complexity, suggesting that the root causes are often non-technical.
Java Decompiler (17 points by mooreds)
This article serves as the homepage for the "Java Decompiler" (JD) project, a suite of open-source tools for reverse engineering Java bytecode. The main tools include JD-GUI, a standalone graphical decompiler; JD-Core, the core decompilation library; and JD-Eclipse, a plugin for the Eclipse IDE. These tools allow developers to recover lost source code and inspect the contents of .class files and libraries.
Bridging Abstract Theory and Practical Computation: The connection between descriptive set theory and computer science (Article #6) highlights a trend of leveraging deep, abstract mathematical fields to solve concrete computational problems. This matters for AI/ML because many advanced models, especially in areas like reasoning and foundation models, grapple with complex, high-dimensional spaces. Insights from set theory could lead to new algorithms, better theoretical understandings of model behavior, and more robust AI systems.
The Critical Importance of Systems Architecture and Reliability: The high-profile discussion of persistent software project failures (Article #9) and the launch of a "zero webhooks" payment processor (Article #8) underscore a major industry focus on reliability and architectural simplicity. For AI/ML, this is crucial as systems move from research prototypes to production-grade applications. Complex, unreliable MLOps pipelines and inference servers can derail entire AI initiatives. The takeaway is that AI success is as much about software engineering excellence as it is about model accuracy.
The Rise of Open-Source and Composable AI Infrastructure: The popularity of the open-source Flowglad project (Article #8) reflects a broader trend where developers prefer composable, self-hostable tools over monolithic, proprietary services. In AI, this is evident with the explosion of open-source models (e.g., from Meta, Mistral) and tools (e.g., LangChain, LlamaIndex). This trend empowers customization, reduces vendor lock-in, and accelerates innovation, allowing teams to build tailored AI solutions.
Developer Experience (DX) as a Primary Concern: The WordPress plugin (Article #5) and the CSS Subgrid tutorial (Article #1) both emphasize ease of use, one-click setup, and clear documentation. This reflects a growing understanding that technology adoption hinges on developer experience. For AI/ML, this means creating simpler APIs, better debugging tools, and more intuitive frameworks to lower the barrier to entry for a wider range of developers and to increase productivity for experts.
Extreme Optimization and Novel Compute Paradigms: The KiDoom project (Article #2), which runs software on a PCB's physical traces, is an extreme example of hardware/software co-design and optimization. This mindset is highly relevant to AI, which is constantly pushing the limits of computational power. It echoes the development of specialized AI chips (TPUs, NPUs) and research into novel computing methods like neuromorphic and analog computing to overcome the limitations of traditional hardware for AI workloads.
Ubiquitous and Context-Aware Computing: The article on using Emacs on Android (Article #3) points to a trend of powerful, customizable tools becoming available across all devices, enabling seamless workflows. For AI, this implies a future where AI assistants and models are not confined to the cloud but are context-aware and operational on-edge devices (phones, laptops, IoT), providing personalized and immediate support without constant latency-prone network calls.
Analysis generated by deepseek-reasoner