Hacker News Digest
· 127 Hacker News
I was annoyed when forced to install the Travelbound app just to view a simple itinerary. After reverse-engineering its network traffic, I discovered it was just serving HTML and JSON. I built a ligh…
Scientists in Japan have developed a revolutionary recycling method that recovers up to 90% of lithium from used EV batteries, a massive leap over traditional techniques. By swapping standard sodium…
We benchmarked Apple's new SpeechAnalyzer against Whisper models and found it delivers superior accuracy and speed on Apple hardware. Our tests show SpeechAnalyzer significantly outperforms both the…
I show you how to build and ship Mac and iOS apps entirely from the command line without ever opening Xcode. After a one-time setup involving your Apple Developer account and certificates, you can au…
After the Trump administration defunded NOAA and took Climate.gov offline, former employees Rebecca Lindsey, Anna Eshelman, and Mary Lindsey rebuilt the vital resource as Climate.us. Thanks to US law…
I urge the abandonment of the EU's plan to integrate Google Play Integrity and Apple App Attestation for age verification. This approach dangerously deepens reliance on American tech giants, violatin…
Managing parallel changes in Git can be painful, often leading users to try alternatives like Jujutsu. However, the experimental Git history command offers similar benefits without requiring a workfl…
Tired of Claude overusing phrases like load-bearing and honest take? I created a simple Python script using the MessageDisplay hook to replace these annoying terms with funny alternatives like cooked…
A recent update to OpenAI Codex encrypts MultiAgentV2 message payloads, inadvertently stripping away the human-readable audit trail for subagent tasks. While intended to enhance privacy, this change…
I invite you to ride the Yamanote line through a voxel Tokyo that syncs with Japan's real clock, weather, and seasons. While a lofi bed plays, N5 sentences drift by as subtitles, creating an ambient…
I observe a growing tendency to delegate critical thinking to AI, from trivial choices to complex reasoning. While tools like ChatGPT and Claude boost productivity, relying on them risks eroding our…
I built a custom device to measure end-to-end input latency on Linux, testing X11 against Wayland, Variable Refresh Rate, and the dxvk-low-latency fork. Surprisingly, the main configurations performe…
We are thrilled to announce Bonsai 27B, the first 27B-class model capable of running on a smartphone. By utilizing advanced 1-bit and ternary weight compression, we have reduced the model size to jus…
I observe that AI-assisted programming removes the friction that once forced developers to coordinate and share a common understanding of complex systems. While individual productivity soars, the col…
I am highlighting a controversial new policy where Samsung threatens to erase user health data if individuals do not consent to its use for training artificial intelligence. This move forces consumer…
I noticed that Telegram's t.me domain has been suspended, as confirmed by the latest Whois data showing a serverHold status. The domain, registered through GoDaddy and protected by Domains By Proxy,…
Starting July 2026, households in NSW, South Australia, and South-East Queensland can access three hours of free daytime electricity through the Solar Sharer Offer. You do not need solar panels or ho…
S&P Global has lowered Oracle's credit rating to BBB-, citing massive debt from its $95 billion AI infrastructure push and a critical reliance on OpenAI. This aggressive shift from software to hypers…
I spent two weeks reverse engineering the FMV format of Silpheed, a masterpiece that defied the Mega-CD's severe hardware limitations. By exploiting the console's tilemap system and ASIC capabilities…
Germany's ruling coalition is pushing to significantly restrict the Freedom of Information Act, citing global cyberwarfare and domestic threats. The proposed reforms would limit data access to natura…
As a British artist accompanying my brother, the Governor-General, I traveled across northern India in the 1830s, sketching princes, servants, and warriors with curious precision. My drawings capture…
I argue that many founders use AI as an excuse to procrastinate, building endless features without talking to real users. While tools like Claude and ChatGPT speed up coding, they do not make the har…
California Assemblymember Josh Lowenthal revised Assembly Bill 1709 to force platforms like Meta and Reddit to remove addictive features such as infinite scroll and autoplay for users under 16. Inste…
Our team at the Sudha Gopalakrishnan Brain Centre created Anchor, the world's most detailed 3D atlas of the human brainstem. By combining over 500 tissue sections from different life stages, we bridg…
We discovered a critical vulnerability in Cursor where opening a repository with a malicious git.exe triggers automatic arbitrary code execution without user interaction. Despite reporting this simpl…
I present a unified view of wireless communication fundamentals, blending theory with real-world systems like GSM and Flash OFDM. This guide covers MIMO, space-time coding, and opportunistic communic…
I am excited to introduce YouTrackDB, a general-purpose object-oriented graph database developed by JetBrains. It delivers O(1) link traversal speed, supports Gremlin queries, and enforces ACID trans…
Juggler is an open-source GUI coding agent designed for developers who demand hands-on control over their LLM interactions. Unlike traditional chat-based agents, it offers a visual workbench where co…
I discovered that aggressive scrapers training LLMs were using the Vo1d botnet to attack our servers. After hitting scaling limits with fail2ban and UFW, we switched to reaction, a flexible tool that…
I built satellitemap.space to help you visualize over 30,000 satellites in real time, including Starlink, GPS, and Amazon Leo. Using modern WebGL, the platform offers a live 3D globe to track positio…
As a metallurgist, I argue that self-replicating probes face insurmountable hurdles in asteroid mining and materials science. Without gravity, water, or an industrial hinterland, concentrating raw el…
I am porting Linux to the Sega 32X to sharpen my board bringup skills, overcoming severe memory constraints and the lack of hardware synchronization primitives. Building on my previous success with t…
I explore how Nokia dominated the global market with iconic devices like the 3310 and 1100 before the smartphone era arrived. Despite recognizing the iPhone threat within 24 hours, internal hesitatio…
Verba Prima is a curated digital collection showcasing the iconic opening lines of renowned literary masterpieces. This project invites readers to rediscover the power of first impressions in literat…
I believe we are standing at a pivotal moment in human history where Artificial General Intelligence is only a few years away. This new system will exhibit all the cognitive capabilities of the human…
I led a team to archive the largest available Minecraft world, capturing 15 TB of data from the anarchy server 2b2t. Using 28 bot accounts over a year, we downloaded a 1 million block squared area of…
I explore the discovery of a unique cell that defies a fundamental rule of biology by performing nitrogen fixation in a way previously thought impossible. This tiny organism, found in algae, challeng…
We model the feedback loops driving recursive self-improvement in AI to determine if a self-sustaining acceleration is possible. Our analysis distinguishes between narrow benchmark gains and broad ec…
I built a wall clock using a Waveshare circular LCD and a Raspberry Pi because our kitchen only had an oven displaying the time. This guide covers the hardware setup, installing Raspberry Pi OS, and…
I explore how researchers used AI to revive Ludus Coriovalli, an ancient Roman game lost for over 1,800 years. By analyzing wear patterns on a limestone board found in Heerlen, the team reconstructed…
A leak in the ICM 2026 website code exposed the upcoming Fields Medal winners, revealing that Peking University alumni Hong Wang and Yu Deng will receive the prestigious award. This marks a historic…
Frustrated by hardware lock-in and high costs, we founded Spectral Compute to free CUDA from Nvidia GPUs. Our SCALE compiler uses LLVM technology to run CUDA code on AMD and other accelerators with n…
I struggled to create an account on the Swiss AGOV system due to a baffling bug where the verification code form refused to accept digits on my personal Linux setup. While the form worked perfectly o…
During a seven-week holiday across Europe, I traveled light by relying on a single universal USB-C power brick to charge every device I owned. From my Pixel 8 Pro and Chuwi MiniBook laptop to a smart…
I recently addressed the anxiety surrounding AI at ICML 2026, arguing that we should view AI as a normal technology that amplifies human potential rather than replacing us entirely. While recursive s…
I spent a year testing decommissioned NVIDIA Tesla GPUs like the K80, P100, and V100 to see if they can handle modern AI tasks. Despite being end-of-life and power-hungry, these affordable cards run…
I have rebuilt the 1991 Linux 0.11 kernel from scratch using modern Rust, preserving its original semantics while leveraging stronger types and clearer abstractions. This project boots on i386 in QEM…
I built rjk::duck to solve the pain of complex type erasure by leveraging C++26 reflection. Instead of writing hundreds of lines of fragile code or relying on heavy libraries, you can now declare an…
Transform any YouTube guitar lesson video into a clean, printable PDF tablature with this powerful CLI tool. By leveraging Claude vision and advanced frame sampling, it automatically detects the tab…
I explore how Intel's new ACE extension evolves beyond AMX to accelerate AI workloads using outer products and flexible data types. Unlike Arm's SME, ACE leverages fixed-width vectors for superior ha…
New York has imposed a one-year moratorium on constructing data centers using 50 megawatts or more, making it the first U.S. state to take such action. Governor Kathy Hochul aims to address rising po…
xarray-sql is an innovative library that enables developers to build and train neural networks entirely within SQL. By leveraging the power of xarray for multi-dimensional data handling, this tool tr…
ai-trains-ai is an open-source project featuring an AI agent trained via Reinforcement Learning to autonomously design and execute training pipelines for other models. Built on the Tinker framework a…
I recently spoke with University of Chicago professor Agnes Callard about her new theory, the uni-context. She argues that technology amplifies a deep human impulse to live in a single, universal rea…
We are witnessing a crisis where the myth of free open source software is collapsing under the weight of AI-generated code and corporate exploitation. Maintainers face burnout from reviewing low-qual…
I created a Claude Code plugin that plays Mr. Meeseeks voice lines from Rick and Morty to signal when the AI is waiting for your input. This tool helps enforce a philosophy of single-purpose sessions…
I designed MorphoHDL, a minimalistic Hardware Description Language that uses recursive division to grow digital circuits dynamically. Unlike traditional tools requiring manual hierarchy, this approac…
I grew up in the Libby Amish community as it shifted from traditional practices to modern life, watching our Pennsylvania Dutch language evolve alongside our changing culture. Now, I am documenting t…
Jacquard is a novel programming language designed for a future where AI models write most code and humans focus on review. It uniquely exposes program effects, uncertainty, and canonical identity dir…
We believe AI must extend human will and judgment rather than replace it. Our mission at Thinking Machines is to build distributed, customizable models that learn from the unique, local knowledge of…
I wrote this piece by hand and photographed the pages to prove that genuine effort still exists in an era where bots can generate content instantly. By embedding the handwritten text into an SVG with…
I ran a TFTP honey pot for over a month and was surprised to find that most traffic came from seven infosec companies like Shadow Servers, Censys, and Shodan rather than malicious actors. These organ…
StubHub and its CEO, Eric Baker, face a $5-million class-action lawsuit alleging deceptive practices. While marketing themselves as a neutral fan marketplace, SEC filings reveal Baker runs a hedge fu…
We have developed a revolutionary method to create a super alloy by controlling atomic organization at lower temperatures. This Refractory High-Entropy Alloy is twice as strong as steel and three tim…
Nobie is a free, local-only spreadsheet application designed for Mac that offers full compatibility with Excel and Google Sheets without requiring an account. It ensures your data never leaves your d…
We discovered that coding agents internally represent program properties long before making edits. By analyzing hidden states, we can predict if code will pass tests or introduce regressions up to 25…
Contrary to the narrative of a global literacy decline, new data from the Federación de Gremios de Editores de España reveals that reading for pleasure is actually rising. With 66% of the population…
I argue that agentic systems aren't just a single cycle but three distinct loops working together. The Inference Loop handles LLM chat completions, the Tool Loop executes functions, and the crucial H…
I explore the rise of Forward Deployed Engineers, a hybrid role blending software engineering, sales, and platform work. Originally pioneered by Palantir, this position is now critical for AI startup…
I found that people are quietly withdrawing from social media, posting less and tightening privacy settings. Maintaining an online presence now feels like work for over half of users, especially Gen…
I argue that the Paxos algorithm is actually one of the simplest distributed algorithms, despite its reputation for difficulty. By breaking down the consensus problem into clear roles for proposers,…
I visited Mawlynnong, India, where residents recently banned day-trippers on Sundays to reclaim their community life and attend church. While tourism transformed the village from an isolated settleme…
Inspired by Sebastian Aaltonen's vision, I created Loon GPU to simplify modern graphics APIs by treating GPU memory as first-class pointers. This library eliminates complex buffer objects and bind gr…
Transform a novelty Big Mouth Billy Bass into a responsive real-time voice assistant using a Raspberry Pi 5. Powered by Strands Agents bidirectional streaming and Amazon Nova 2 Sonic on Amazon Bedroc…
We studied tens of thousands of engineers at Microsoft during the early 2026 rollout of Claude Code and GitHub Copilot CLI. Our findings reveal that adoption spreads primarily through social networks…
I dive into the concept of the superoptimizer, a tool that searches for the absolute smallest and fastest version of a program. This exploration reveals how finding the minimal code can lead to surpr…
Everyone obsesses over product market fit, but founders often ignore founder market fit. Your personal temperament, cultural niche, and lifestyle determine which customers you can actually reach and…
I have curated a detailed index of essential knots, featuring loops like the Butterfly and Zeppelin, alongside practical hitches and bends. My collection includes tips on untying jammed knots, storin…
I share my preferred patterns for combining HTMX and Go to create interactive web apps with minimal JavaScript. I walk through structuring HTML templates, managing partial responses, and embedding as…
Hackney is the ultimate ride-hailing aggregator that lets you instantly compare prices and wait times across Uber, Lyft, Waymo, and Robotaxi services. By connecting directly to provider servers, it h…
I propose creating 'Guardian Angels,' personalized LLMs that emulate your unique values to amplify your work rather than replace you. Unlike misaligned chatbots designed to farm users, these digital…
I explored how to backpropagate through decades of validated Fortran physics code without rewriting it in JAX or PyTorch. By combining LFortran and Enzyme at the LLVM level, we extract exact gradient…
I explore how the SFFA vs. Harvard trial exposed the hidden mechanics of elite college admissions. The data reveals a zero-sum game where legacy status and recruited athletics grant massive advantage…
We are introducing a default three-day cooldown for Dependabot version updates to help prevent supply chain attacks. This delay allows time for the community to identify compromised releases before t…
After acknowledging I am the rightful owner of my compromised Microsoft account, the company deleted it anyway. I lost 25 years of data, thousands of euros in game purchases, and my son's baby pictur…
Sanskrit is experiencing a vibrant revival, moving from an archaic language to a cool, modern medium embraced by youth. Through social media, rap, motorcycle clubs, and new literary forms, young Indi…
OpenAI projects $100 billion in ad revenue by 2030, but Emarketer data suggests the entire U.S. chatbot ad market will barely reach $5.41 billion. This massive gap indicates OpenAI is on pace to miss…
We tackled the challenge of standardizing millions of unique food items by building an AI-led metadata platform. Our system uses LLM juries for high-quality evaluation, context-optimization agents to…
I built Agnost AI to solve a critical gap where your evaluations pass but production agents still fail. Our platform analyzes real user conversations to surface missed failures, extract feature reque…
I explore actegories, a mathematical concept central to programming optics like lenses and prisms. By defining monoidal categories and their actions on other categories, I show how these structures m…
I built a complete, accelerated tensor library from scratch in C to demystify the math behind neural networks. Starting with flat arrays and metadata, I implemented elementwise operations before tack…
sx 2.0 is a native desktop app for Mac, Windows, and Linux that transforms shared cloud folders into AI skill servers. It solves the distribution gap for non-technical teams by allowing users to shar…
I built a browser tool that converts your singing voice into printable musical notation instantly. By adjusting settings like pitch tolerance and re-attack sensitivity, you can capture repeated notes…
I argue that true Tolstoyan art mirrors the structure of a zero-knowledge proof. Just as a cryptographic proof convinces a verifier without revealing the secret, a genuine artwork transmits the artis…
Friends claim the socialist journal N+1 is not what it used to be, yet its legacy of launching stars like Elif Batuman still intimidates. While the physical magazine feels cheaper than its rival The…
RandoFont is a streamlined web application designed to instantly explore and discover fonts from the extensive Google Fonts library. Instead of manually searching through endless categories, users ca…
I built Heikki's Garden of Flowers to archive the rich history of pictorial typography. This project collects thousands of images, organizing them by location, year, person, subject, and style. By ex…
I created a guide for AI agents to assume I know nothing about my own codebase. This document instructs them to ignore my likely wrong instructions, inspect the actual system, and replace broken arch…
We explore the delicate tradeoff between training speed and stability when using NVFP4 precision for Reinforcement Learning. While low-precision formats like NVFP4 on NVIDIA Rubin GPUs offer massive…
I discovered two surprising cases where IEEE-754 NaN values break implicit assumptions in programming language design. In Python, list equality checks fail because NaN does not equal itself, violatin…
Sigwire is a live Terminal User Interface that acts as a comprehensive switchboard for every signal on your Linux system. It decodes kernel tracepoints to stream real-time data on signal generation a…
Rejourney is a lightweight, open-source observability tool designed to detect revenue leaks in web and mobile applications. By monitoring critical business transitions like checkout, activation, and…
I am thrilled to announce Jektex 0.2.0, a Jekyll plugin that delivers server-side cached LaTeX rendering up to ten times faster than previous solutions. This tool lets you enjoy the power of LaTeX an…
We are elevating security standards by requiring hardware-backed passkeys for all Trusted Access Cyber members logging into ChatGPT. This move eliminates password vulnerabilities and ensures that onl…
I explore how the surging investment in AI infrastructure is forcing major IT firms to pivot from internal cash flows to external debt financing. While this boom drives significant GDP growth, it int…
Christopher Priest and Nina Allan's new biography explores how J. G. Ballard transformed his traumatic experiences in Shanghai and the nuclear age into fiction that estranges us from our familiar wor…
I break down the key differences between Watercolor, Gouache, and Gansai paints, focusing on how pigment size dictates transparency and opacity. You'll learn why smaller particles create delicate, ha…
A viral video of passengers confronting a drunk official filming teen girls on a Scotrail train reveals the flaws in current tech policy. Instead of restricting young people's phone use, we should re…
I introduce a formal framework for distributed secret storage that balances survivability against network degradation with resistance to adversarial compromise. By deriving an exact representation us…
Our team at MIT, collaborating with Thorn, developed a breakthrough auditing technique called Gaussian probing. This method identifies if AI models have been fine-tuned to generate child sexual abuse…
I intended to share insights on accretive editing, but a 500 Internal Server Error on justindfuller.com prevented the page from loading. The server encountered an unexpected issue, so the full conten…
Scanwayy transforms standard links into stunning, brand-aligned QR codes using AI. Users simply paste a URL, upload a logo, and describe their desired style to generate unique, scanner-verified desig…
I built Picchio, a simple Python tool that catches silent CPU fallbacks and exposes misleading speed claims in local LLMs like llama.cpp and Ollama. By measuring actual GPU usage against engine logs,…
I explore how IEEE-754 NaN values cause unexpected behavior in programming language design. In Python, list equality optimizations fail because NaN does not equal itself. In Lua, numerical for-loops…
AVA AI Voice Agent is an open-source solution that integrates advanced AI voice capabilities directly into Asterisk and FreePBX telephony systems. It empowers users to deploy custom, self-hosted conv…
At the Manifest conference in Berkeley, I watched men attempt to use reinforcement learning to master seduction, treating human interaction like a coding problem. From imagining light beams to applyi…
I explore how the Go runtime captures your program in motion through five distinct profiling types, all sharing a unified pprof format. From CPU sampling via signals to heap and mutex tracking, I bre…
I built dmars, a Rust reimplementation of the classic pMARS Core War toolchain, to bring the 1984 programming game into the modern era. This project includes a full Redcode assembler and a high-perfo…
I explore how to integrate DolphinDB's Order Matching Simulator Plugin into existing C++ backtesting frameworks without rebuilding everything. By leveraging the Swordfish library or the C++ API, we a…
Sprinklz is a free RSS reader that empowers users to control their content consumption by eliminating algorithmic bias. Unlike traditional feeds, it allows you to read headlines, blogs, and topics ex…
I explain that true banter requires two ingredients: calling out a genuine transgression while simultaneously signaling that it doesn't matter. By openly acknowledging small flaws with good-natured l…
I applied Network Science to analyze Brazilian computer science, revealing that international collaborations significantly boost citation rates. While Brazil ranks 12th globally in output, its citati…
ContextVault acts as a centralized shared memory layer for AI systems, ensuring your team never starts from scratch with every new session. It solves the problem of scattered Markdown files and lost…
I explore the harrowing reality faced by women known as munitionettes during the First World War, who endured toxic conditions that turned their skin yellow and hair green. These 'human canaries' suf…
I developed ESBMC-Arduino to bridge the gap between abstract safety proofs and real-world hardware constraints on devices like Arduino and OpenPLC. Existing verifiers often generate false alarms by i…
MemStitch is a zero-copy context bridging gateway designed to optimize multi-agent GPU inference workflows. By dynamically stitching KV Caches at the memory level using PagedAttention, it eliminates…
I created a comprehensive digital archive tracking Serena Williams' tennis outfits across her entire career. This project catalogs hundreds of looks from major tournaments like the Australian Open, W…