A Decade of Grief: Unbearable Loss

2025-02-14
A Decade of Grief: Unbearable Loss

Sixteen years ago today, the author's second daughter was born; ten years ago today, she died on her sixth birthday. The piece describes the author's reflections on this day, the day his daughter would have turned sixteen, a decade after her death. The author visits her grave and attends a final memorial service at Anshe Chesed Fairmount Temple, a place that held special meaning for her, before its closure adds another layer of sadness. The author confesses that a decade later, the pain of losing his daughter persists, and the guilt of feeling he 'failed his child in the most fundamental way' remains.

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Misc loss

Final Fantasy Crystal Chronicles iOS Version Shut Down Due to Unfixable Bug

2025-02-14
Final Fantasy Crystal Chronicles iOS Version Shut Down Due to Unfixable Bug

Square Enix has shut down the iOS version of Final Fantasy Crystal Chronicles and removed it from the App Store due to an unfixable bug preventing access to purchased content. The bug stemmed from changes to the in-app purchase model. Players who made in-app purchases in January 2024 or later can contact Apple Support for a refund. The game remains available on Android, PlayStation, and Nintendo Switch.

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60-Year-Old Math Puzzle Solved: The Optimal Sofa Size

2025-02-14
60-Year-Old Math Puzzle Solved: The Optimal Sofa Size

A 60-year-old mathematical puzzle – the moving sofa problem – has finally been solved! In the 1960s, mathematicians posed a seemingly simple geometric question: What's the largest area of a sofa that can navigate a unit-width hallway? Recently, Jineon Baek, a postdoctoral researcher at Yonsei University in Seoul, proved in a 119-page paper that the sofa shape proposed by Joseph Gerver in 1992 is the optimal solution, with an area of approximately 2.2195. Baek's proof is remarkable because it didn't rely on computers but used elegant mathematical techniques, offering new approaches to solving other optimization problems. The result also illustrates that even the simplest optimization problems can have surprisingly complex answers.

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From Dead Inventory to Global Phenomenon: The Insane Story of Sport Stacking

2025-02-14
From Dead Inventory to Global Phenomenon: The Insane Story of Sport Stacking

A couple risked their life savings buying over 800 boxes of defective plastic cups from Hasbro. These cups, with holes drilled in their bottoms, seemed worthless. However, leveraging the father's clowning background and the mother's PR skills, they transformed cup stacking into a global phenomenon, reaching thousands of schools and building Speed Stacks, a multi-million dollar company that changed countless lives.

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Startup Sports

Fly.io's GPU Gamble: A Post-Mortem

2025-02-14
Fly.io's GPU Gamble: A Post-Mortem

Fly.io attempted to integrate GPUs into its public cloud, aiming to provide users with AI/ML inference capabilities. However, the project ultimately failed. Several key reasons are highlighted: developers' overwhelming preference for LLM APIs over GPUs, Nvidia driver support limitations hindering cost-effectiveness and flexibility, and significant security and hardware cost concerns. Despite the failure, Fly.io gained valuable lessons, emphasizing the importance of thorough market research before large-scale investments.

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(fly.io)
Tech

Revolutionizing Memory: Atomic-Scale Crystal Defects Unlock New Storage Potential

2025-02-14
Revolutionizing Memory: Atomic-Scale Crystal Defects Unlock New Storage Potential

Researchers at the University of Chicago have achieved a breakthrough in classical computer memory efficiency by harnessing crystal defects. They created memory cells from single missing atoms within a crystal structure, each capable of storing a bit. This innovative approach promises terabytes of data compressed into a cubic millimeter, revolutionizing data storage. The research integrates solid-state physics and radiation dosimetry, offering unprecedented high-density storage for classical non-volatile memory.

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Safe and Efficient printf in Idris: No Macros Required

2025-02-14

This article demonstrates how to implement a safe and efficient printf function in Idris without resorting to unsafe macros or variadics. By cleverly using type-level programming, the author parses the format string into a data structure and dynamically generates the function type signature based on it. This achieves the functionality of C's printf while maintaining memory and type safety. The article also explores handling runtime format strings and points out shortcomings of the implementation, such as unclear error messages, hinting at future improvements.

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Mathics: A Modular Math Environment with Multiple Deployment Options

2025-02-14

Mathics is a modularly designed mathematical computation environment offering various deployment options. Users can quickly deploy a complete environment via a Docker image or install it locally using the Mathics-omnibus Python package. At its core is the Mathics3 kernel, complemented by the mathicsscript command-line client (featuring syntax highlighting, Unicode support, etc.) and a Django-based web server (with MathML output and Three.js graphics). These components have individual dependencies, but the modular design ensures flexibility and scalability.

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Configurable 3D-Printed Calendar in OpenSCAD: Zeller's Congruence and Beyond

2025-02-14
Configurable 3D-Printed Calendar in OpenSCAD: Zeller's Congruence and Beyond

A developer created a highly configurable 3D-printed calendar model using OpenSCAD. Leveraging Zeller's congruence for accurate day-of-week calculations, the model automatically adjusts date offsets. Users can customize rendered months, column layout, layer height, add custom holiday markings, and even include magnet holes. This project showcases OpenSCAD's power in algorithmic implementation and parametric modeling, supporting multilingual features and multi-material printing.

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Design Calendar

Manhattan's Hardest-Working Font: The Mystery of Gorton

2025-02-14
Manhattan's Hardest-Working Font: The Mystery of Gorton

This article details the author's obsessive quest to uncover the story behind Gorton, a surprisingly ubiquitous yet unassuming font. Initially used with engraving machines, its rugged durability led to widespread adoption in diverse contexts, from keyboards to spacecraft. The author's years-long search, spanning countless miles and locations, reveals Gorton's century-long history, tracing its origins to a UK lens maker and its subsequent evolution through various iterations like Leroy. While far from perfect, Gorton's charm lies in its imperfections and enduring presence, solidifying its status as Manhattan's hardest-working font.

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Trump Admin's Cuts to Decimate Elite CDC Program

2025-02-14
Trump Admin's Cuts to Decimate Elite CDC Program

The Trump administration's push to shrink the federal civil service is set to severely impact the Centers for Disease Control and Prevention's (CDC) Epidemic Intelligence Service (EIS), a world-renowned training program for applied epidemiologists. Many EIS members, crucial in responding to outbreaks like the 2001 anthrax attacks and the 2014-2016 West African Ebola epidemic, face imminent dismissal. This move is alarming public health experts who warn of significantly reduced capacity to handle future crises, both domestically and internationally. The cuts are seen as shortsighted and potentially catastrophic for global health security.

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Tech

Pinterest Improves Embedding-Based Retrieval for Homefeed Recommendations

2025-02-14
Pinterest Improves Embedding-Based Retrieval for Homefeed Recommendations

Pinterest's engineering team significantly improved its embedding-based retrieval system for personalized and diverse content recommendations on the Homefeed. They achieved this through advanced feature crossing techniques (MaskNet and DHEN frameworks), pre-trained ID embeddings, and a revamped serving corpus with time-decayed summation. Furthermore, they explored cutting-edge methods like multi-embedding retrieval and conditional retrieval to cater to diverse user intents, resulting in increased user engagement and saves.

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lzbench: An Open-Source Benchmark for Compression Codecs

2025-02-14

lzbench is an open-source benchmark tool for evaluating the performance of various compression codecs. It measures compression ratio, compression speed, decompression speed, and round-trip speed. The tool supports multiple codecs and allows users to add new ones, with raw data available for download and further analysis. The FAQ addresses common questions, including adding codecs, calculation methods, memory usage, multi-threading, chart scaling, and customization options, making it a valuable resource for developers and researchers.

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Development compression codec

Western Digital Bets Big on HAMR for 100TB HDDs by 2030

2025-02-14
Western Digital Bets Big on HAMR for 100TB HDDs by 2030

Western Digital announced its roadmap to adopt Heat-Assisted Magnetic Recording (HAMR) technology for its HDDs, starting late 2026, aiming for 80TB-100TB drives by 2030. This marks a shift away from their previously championed MAMR technology. Initial HAMR drives, with 36TB (CMR) and 44TB (UltraSMR) capacities, will launch in 2026, with mass production slated for the first half of 2027. Two hyperscalers are already testing these drives. This breakthrough promises to more than double hard drive storage capacity within the next few years.

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Haiku January Development Report: Core Improvements and New Features

2025-02-14

The January Haiku development report covers numerous improvements, including a major refactor of the Tracker file manager adding context menus, cut/copy/paste functionality, and live menu updates. Applications saw additions such as new features in the icon editor, touchpad settings, and styled text editor. Driver support was expanded to include Alder Lake chipsets, AMD temperature monitoring, and the Wacom CTH-470. Kernel-level changes focused on extensive memory management, page mapping, and permission check optimizations, boosting system stability and security. Many bugs were fixed, and the build system and documentation were improved.

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Development Development Report

Browser Extension Fights Trans Erasure

2025-02-14
Browser Extension Fights Trans Erasure

A browser extension called "Marsha P Johnson" combats the erasure of transgender people by replacing "LGB" with "LGBTQ+🧱." The creator highlights the US government's active removal of trans mentions from government websites, including the removal of "TQ+" from LGBTQ+ on the Stonewall National Monument site. This blatant erasure is actively countered by the extension, allowing users to see and protest the censorship.

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Misc

NBA's Apple Vision Pro App Gets a 'Tabletop' View: A New Level of Immersive Sports Viewing

2025-02-14
NBA's Apple Vision Pro App Gets a 'Tabletop' View: A New Level of Immersive Sports Viewing

The official NBA Apple Vision Pro app now features 'Tabletop,' a miniature, diorama-style representation of the live game alongside the standard 2D livestream. While a slight delay exists (around half a second), this dual-view approach offers a unique immersive experience. Currently available for select games, the NBA plans to roll it out to all League Pass games next season. A League Pass subscription ($15/month and up) is required. This innovative feature echoes the now-defunct Lapz F1 app for Vision Pro, highlighting the potential of XR and future AR glasses for remote sports viewing. In contrast, Meta Quest offers free 180-degree immersive streams (though 2D, not 3D) of 52 NBA games via Xtadium, but lacks the unique 'Tabletop' perspective.

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Sea Turtles' Secret Navigation: It's All in the Dance

2025-02-14
Sea Turtles' Secret Navigation: It's All in the Dance

Scientists have discovered that sea turtles use Earth's magnetic field for navigation, expressing memories of food locations through a unique "dancing" behavior. Researchers trained turtles to associate specific magnetic fields with food, and the turtles responded by excitedly "dancing" when they sensed the familiar field. Published in Nature, this study reveals that turtles possess two distinct magnetoreception mechanisms: a magnetic compass and a magnetic map, suggesting these mechanisms may have evolved separately. This provides crucial insights into understanding animal magnetoreception.

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Asahi Linux Lead Resigns Amidst Burnout and Community Conflict

2025-02-14
Asahi Linux Lead Resigns Amidst Burnout and Community Conflict

Hector Martin, project lead of Asahi Linux, resigned due to developer burnout, demanding users, and Linus Torvalds' handling of Rust integration into the Linux kernel. Martin criticized Torvalds' lack of support and accused the Linux community of hypocrisy and malicious attacks. He cited Torvalds' poor leadership in handling Rust integration, leading to abuse of power by maintainers. This highlights the growing issue of developer burnout and community conflict in open source, and the need for sustainable funding for open source projects.

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Development developer burnout

A Stunning Display of Multilingual Support: A Mysterious Code Snippet

2025-02-14
A Stunning Display of Multilingual Support: A Mysterious Code Snippet

This code snippet showcases an impressive multilingual support, containing the names of almost all known languages. This has sparked speculation about the purpose behind the code; is it an art installation, or a fragment of code from a mysterious project? The simple code structure also raises curiosity about how its function is implemented, and where it will be applied in the future.

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Delphi Turns 30: A Retrospective

2025-02-14

February 14th marks the 30th anniversary of the launch of the Delphi programming language. Marco Cantù reflects on attending the product launch at the Moscone Center in San Francisco 30 years ago and shares links to his blog posts and a YouTube video commemorating the event, including a piece on the 10th anniversary. The post offers a nostalgic look back at Delphi's three decades of impact on programming.

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Development 30th anniversary

Typst vs. TeX: A Comparison of Layout Models and a Look Ahead

2025-02-14

This article explores the differences in layout models between the typesetting engines Typst and TeX. TeX, based on boxes and glue, is flexible but lacks awareness of precise positions; Typst uses a region model, allowing elements to react to their position but sacrificing some flexibility. The author analyzes the strengths and weaknesses of both models and points out that Typst, by introducing a re-layout mechanism, is expected to balance flexibility and optimization, addressing current shortcomings in handling complex layouts (such as wrap-around images and pageable tables).

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Development typesetting engine

Windows 10's Sunset: 40% of Steam Gamers Face an Upgrade Dilemma

2025-02-14
Windows 10's Sunset:  40% of Steam Gamers Face an Upgrade Dilemma

Microsoft will end free software updates, technical support, and security fixes for Windows 10 on October 14, 2025. This leaves a significant portion of users, over 40% on Steam, facing a difficult choice: upgrading to Windows 11. Windows 11's stringent hardware requirements prevent many from upgrading, pushing gamers to explore alternatives like SteamOS. While Valve plans wider SteamOS adoption, a desktop release remains elusive. Continuing to use the unsupported Windows 10 leaves users vulnerable, forcing many to consider upgrading their hardware or operating system.

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Game

System Oscillation: From Thermostats to Software Documentation

2025-02-14
System Oscillation: From Thermostats to Software Documentation

This article explores common system oscillations, using thermostats and rabbit-hawk populations as examples to illustrate how delayed feedback leads to cyclical fluctuations. The author applies this model to the problem of software documentation, pointing out that excessive documentation becomes outdated over time, diminishing its value. In agile development, the author argues that good code, tests, and team communication can replace redundant documentation, while the advent of generative AI further addresses information retrieval, reducing reliance on outdated documentation.

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Development systems theory

Musk's DOGE Website: Anyone Can Edit the Database!

2025-02-14
Musk's DOGE Website: Anyone Can Edit the Database!

Elon Musk's Department of Government Efficiency (DOGE) website has revealed a major security flaw. Reports indicate the site's database is open for anyone to edit, allowing developers to easily alter website content, leaving messages like, "This is a joke of a .gov site." The site appears to run on Cloudflare Pages, not government servers, raising serious concerns about database security. This incident follows Musk's claim of DOGE's commitment to transparency, highlighting his team's negligence of security measures during website construction. Federal employees are worried about sensitive data leaks, particularly after previous criticism of DOGE's use of personal emails, exposing further chaos and inadequacy in security management.

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Reddit to Introduce Paywall for Exclusive Subreddits

2025-02-14
Reddit to Introduce Paywall for Exclusive Subreddits

Reddit CEO Steve Huffman announced plans to introduce a paywall this year, focusing initially on new subreddits offering exclusive content accessible only to paying members. The company is exploring compensation models for content creators, potentially leveraging the existing Reddit Contributor Program which rewards users for contributions. While paid content is coming, Huffman assures that free Reddit will continue to exist and thrive. A key challenge lies in balancing paid and free content, and incentivizing volunteer moderators to manage paid subreddits.

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AI Agent Traffic: The New Bot Detection Challenge

2025-02-14
AI Agent Traffic: The New Bot Detection Challenge

AI agent tools like OpenAI's Operator can mimic real user behavior, improving UX but also enabling abuse. Traditional bot detection methods (CAPTCHAs, IP blocking, user-agent filtering) are ineffective against modern AI agents, as they simulate real IP addresses, user agents, and mouse behavior. OpenAI and BrowserBase's agents are easier to detect because they run in cloud datacenters; Anthropic's agents can run locally, making them harder to detect. Some sites (like Reddit and YouTube) are blocking AI agent traffic, but many lack effective detection mechanisms, creating opportunities for malicious attacks. Future detection will rely on machine learning-based browser "lie detectors".

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AI-Powered Romance Scams: A Growing Threat

2025-02-14
AI-Powered Romance Scams: A Growing Threat

Romance scams are evolving, leveraging AI to create fake dating profiles and personalized scripts for real-time conversations. Scammers build intimacy through 'love bombing' and portray themselves as vulnerable to gain victims' trust. They subtly request money, often citing financial difficulties, and manipulate victims into believing they're helping someone they care about. Lonely individuals are particularly vulnerable. Experts highlight the similarities between the language used by these scammers and domestic abusers, urging caution.

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Oregon DA's Illegal Phone Search Leads to Privacy Violation Lawsuit

2025-02-14
Oregon DA's Illegal Phone Search Leads to Privacy Violation Lawsuit

An Oregon woman's nude photos became the talk of her small town after a prosecutor viewed her sensitive cellphone data without a warrant, consent, or suspicion of a crime. While a federal appeals court ruled the Grant County DA had qualified immunity, the case highlights a troubling Fourth Amendment violation. The court acknowledged the Idaho State Police had consent to search the phone, but that didn't extend to another state's DA reviewing the data and disseminating private photos. The ruling sparks criticism of qualified immunity's protection of officials from liability. Though the woman received no remedy, the case serves as a warning to law enforcement; similar actions violate the Constitution and could result in liability.

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