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arXivLabs: Experimental Projects with Community Collaborators

2025-02-19

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on our website. Individuals and organizations working with arXivLabs embrace our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only partners with those who adhere to them. Have an idea for a project that will add value to arXiv's community? Learn more about arXivLabs.

(arxiv.org)

Development

Early Weight-Bearing Speeds Fracture Healing: Challenging Conventional Wisdom

2025-02-19

Early Weight-Bearing Speeds Fracture Healing: Challenging Conventional Wisdom

A new study challenges the long-held belief that immobilization is best for broken bones. Contrary to the traditional advice of six weeks of non-weight-bearing, research now shows that early weight-bearing, beginning just weeks after surgery, leads to faster healing and improved quality of life with no increased risk of complications. This is supported by a large-scale randomized controlled trial focusing on ankle fractures, and other studies examining femur and hip fractures. The author uses her husband's experiences to illustrate the benefits of this approach, highlighting the faster recovery time compared to traditional methods. This shift in medical practice emphasizes the body's natural ability to heal when given appropriate stimulus, improving patient outcomes and shortening recovery periods.

(www.scientificamerican.com)

Tech fracture healing early weight-bearing orthopedics

Niantic, Pokémon Go Maker, in Talks to Sell to Saudi Arabia's Scopely

2025-02-19

Niantic, Pokémon Go Maker, in Talks to Sell to Saudi Arabia's Scopely

Niantic, the creator of the 2016 hit Pokémon Go, is reportedly in talks to sell its video game business to Scopely, a Saudi Arabia-owned company, for approximately $3.5 billion. The deal would include Pokémon Go and other mobile games. While Pokémon Go was a global phenomenon, Niantic struggled to replicate its success, leading to staff cuts and canceled projects. This acquisition is part of Saudi Arabia's Public Investment Fund's broader strategy to diversify its economy by investing in the gaming industry, with Scopely acting as a key player in their mobile gaming ambitions.

(finance.yahoo.com)

Game

Hetzner AX162 Server Reliability Nightmare: A Painful Debugging Journey

2025-02-19

Hetzner AX162 Server Reliability Nightmare: A Painful Debugging Journey

Ubicloud encountered serious reliability issues with Hetzner's new AX162 servers: a 16x higher crash rate than its predecessor, AX161. After months of debugging, they suspected power limiting by Hetzner and motherboard defects as the root causes. Multiple hardware upgrades, especially motherboard replacements, ultimately resolved the issue. This experience taught them the risks of early adoption and led to process improvements, including more thorough vetting and gradual hardware rollouts.

(www.ubicloud.com)

Hardware server reliability

Nostalgic Look at a Pre-Internet Campus Network in 1990

2025-02-19

This piece reminisces about the author's university experience in Wales around 1990, focusing on the pre-internet era's campus network. The author details the use of a VAX minicomputer cluster as the primary communication hub, describing email, a rudimentary Twitter-like system via process display customization, a real-time chat system (DEC$PHONE), and a forum-like conferencing system (POWCON). These systems, while primitive, formed a tight-knit campus "un-network", showcasing unique social and information exchange methods. The author contrasts this experience with today's internet, expressing nostalgia for the simpler, close-knit campus life of the past.

(paperstack.com)

Tech campus life

SpaceX to Overhaul US Air Traffic Control Amidst Controversy

2025-02-19

SpaceX to Overhaul US Air Traffic Control Amidst Controversy

Elon Musk's SpaceX is assisting in the overhaul of the US air traffic control system following a deadly air disaster and the firing of hundreds of air traffic controllers. This move has raised concerns about conflicts of interest, given SpaceX's role as a major government contractor and Musk's position in the Department of Government Efficiency. While the Secretary of Transportation claims the air traffic control center regularly receives visitors, the decision faces criticism, particularly given existing staff shortages and safety concerns within the air traffic control system.

(www.theverge.com)

Tech Air Traffic Control

Presidential Order: Strengthening Accountability for All Agencies

2025-02-19

Presidential Order: Strengthening Accountability for All Agencies

This Presidential Order aims to strengthen Presidential supervision and control over the entire executive branch and increase the accountability of regulatory agencies to the American people. The order mandates that all executive departments and agencies, including so-called independent agencies, must submit all proposed and final significant regulatory actions to the Office of Information and Regulatory Affairs (OIRA) within the Executive Office of the President for review before publication in the Federal Register. Furthermore, the President will establish performance standards and management objectives for the heads of independent agencies and periodically report to the President on their performance and efficiency in achieving these standards and objectives.

(www.whitehouse.gov)

Misc Accountability Regulation

The Hidden Costs of Long-Term Software Maintenance

2025-02-19

The Hidden Costs of Long-Term Software Maintenance

This article delves into the often-overlooked challenges of maintaining large software projects over the long term. Using the author's browser-based game engine, Construct, as a case study (750,000 lines of code and a decade in development), the article highlights that initial code writing constitutes only a small fraction of the total effort. The vast majority of work involves ongoing maintenance: testing, debugging, optimization, upgrading, refactoring, customer support, and documentation. The author uses an apt analogy of building a house extension to illustrate the hidden costs and potential pitfalls of accepting external contributions. The article concludes by emphasizing the need for a more realistic approach to software development, acknowledging the significant commitment required for long-term maintenance and the potential for communication challenges.

(www.construct.net)

Development software maintenance

Backblaze's SSD vs. HDD Reliability Showdown: The Verdict is...

2025-02-19

Backblaze's SSD vs. HDD Reliability Showdown: The Verdict is...

Backblaze conducted a long-term reliability study comparing SSDs and HDDs in their data centers. Initial data suggested significantly lower failure rates for SSDs, but this was skewed by the much shorter operational lifespan of SSDs and varying drive-day counts. Retrospectively analyzing HDD data to match SSD age and usage revealed comparable failure rates between the two. Long-term data shows HDD failure rates increase dramatically with age, while the future trend for SSDs remains unclear. Currently, using failure rate as the sole deciding factor when choosing between SSDs and HDDs is questionable; cost, speed, and other factors should weigh heavier in your decision.

(www.backblaze.com)

Hardware Reliability

Human Genome's Unexpected Resilience: CRISPR Reveals Tolerance to Structural Changes

2025-02-19

Human Genome's Unexpected Resilience: CRISPR Reveals Tolerance to Structural Changes

Scientists have achieved the most complex engineering of human cell lines ever, revealing that our genomes are far more resilient to significant structural changes than previously thought. Using CRISPR prime editing, researchers created multiple versions of human genomes with various structural alterations and analyzed their effects on cell survival. The study, published in Science, demonstrates that substantial genomic changes, including large deletions, are tolerated as long as essential genes remain intact. This groundbreaking research opens doors to understanding and predicting the role of structural variation in disease, paving the way for new therapeutic and bioengineering approaches.

(phys.org)

AI Genome Structural Variation

MINI Goes Vegan: A Surprisingly Luxurious Leather Alternative

2025-02-19

MINI Goes Vegan: A Surprisingly Luxurious Leather Alternative

MINI's new all-electric J01 Cooper ditches leather entirely, opting for a sustainable, recycled vegan alternative called Vescin. A hands-on review reveals Vescin's surprisingly plush feel, surpassing the quality of MINI's mid-range leather and even rivaling its premium offering. Easier to clean and more environmentally friendly, Vescin offers a compelling alternative, proving that luxury and sustainability aren't mutually exclusive. While the signature leather smell is absent, the superior comfort, durability, and eco-conscious production make it a compelling upgrade.

(www.motoringfile.com)

Tech vegan leather sustainable materials electric vehicle interior

X-Plane: Flight Sim's Secret Weapon: Blade Element Theory

2025-02-19

X-Plane uses a unique 'blade element theory' to simulate flight, breaking the aircraft into countless small elements, calculating the forces on each, and precisely simulating the aircraft's flight behavior. Unlike other simulators relying on simplified 'stability derivatives', X-Plane's accuracy and range of application are far broader, accurately predicting aircraft behavior under various flight conditions, including engine failures, turbulence, stalls, spins, and transonic effects. It truly predicts flight characteristics from aircraft geometry alone.

(www.x-plane.com)

Game flight simulation blade element theory

The Communication Challenges of Decentralized Remote Work and AI's Solution

2025-02-19

The author works in a highly decentralized remote organization and faces challenges with inefficient communication. Information spreads through various informal channels (such as Zoom, TikTok, etc.), leading to frequent misunderstandings and a lack of clear records and traceability. The author likens this phenomenon to the return of an "oral culture" and believes that AI technology can help organizations improve communication efficiency by processing unstructured information into understandable structured information.

(www.oblomovka.com)

Development decentralized organization

Fighting Fantasy: The Classic Gamebook Series Returns to the US!

2025-02-19

The iconic Fighting Fantasy gamebook series, a revolutionary blend of nonlinear narratives and dice-rolling RPG mechanics, is returning to the US in early 2025! Created in 1982 by Sir Ian Livingstone and Steve Jackson, this multi-million-selling series boasts over 20 million copies sold worldwide. Steve Jackson Games has partnered for a historic 50-book publishing deal, bringing this beloved classic to a new generation of adventurers.

(www.sjgames.com)

Game Fantasy

go-msquic: A Go Wrapper for Microsoft's QUIC Library

2025-02-19

go-msquic: A Go Wrapper for Microsoft's QUIC Library

go-msquic is a Go wrapper for Microsoft's QUIC library, providing a simple interface for Go developers to work with QUIC-based protocols like HTTP/3. Its API is inspired by quic-go and can be used as a drop-in replacement. Unless you're comfortable working with C libraries, quic-go is generally recommended. Installation requires building the local MsQuic C library first, then installing with `go get github.com/noboruma/go-msquic`. Sample code is in the sample/ directory.

(github.com)

Development

OpenAI's Deep Research: Academic Papers in Minutes?

2025-02-19

OpenAI's Deep Research: Academic Papers in Minutes?

OpenAI recently released Deep Research, a tool designed to produce in-depth research papers within minutes. Academics are praising its capabilities; Ethan Mollick of the University of Pennsylvania calls it incredibly fruitful. Some economists believe papers generated by Deep Research are publishable in B-level journals. Tyler Cowen of George Mason University even compares it to having a top-tier PhD research assistant. The tool has sparked debate, highlighting AI's potential in academic research.

(www.economist.com)

AI

Daylight DC-1: A Monochromatic Tablet That Reimagines Computing

2025-02-19

The Daylight DC-1 is a unique grayscale tablet prioritizing a healthy relationship with light and the outdoors. The author's experience on an Amtrak train highlighted its readability in direct sunlight, comfortable nighttime use, and the ease of using Android. While it has some shortcomings, such as keyboard support, software roughness, and missing features, it's an impressive device, particularly its innovative display technology. The author ultimately praises its potential and the company's direction.

(jon.bo)

Hardware tablet display technology outdoor use

Implementing LLaMA3 in 100 Lines of Pure Jax

2025-02-19

This post demonstrates implementing LLaMA3 from scratch using only 100 lines of pure Jax code. The author chose Jax for its clean aesthetics and powerful features like XLA acceleration, JIT compilation, and vmap vectorization. The article details each component of the model, including weight initialization, BPE tokenization, dynamic embeddings, rotary positional encoding, grouped query attention, and the forward pass. Unique Jax features like PRNG key management and JIT compilation are also explained. Finally, the author shows how to train the model on a Shakespeare dataset, providing the training loop code.

(saurabhalone.com)

Development

Exoplanet Tylos: A Lava Planet Defying Our Understanding of Weather

2025-02-19

Exoplanet Tylos: A Lava Planet Defying Our Understanding of Weather

Astronomers using the European Southern Observatory's Very Large Telescope have conducted in-depth research on an exoplanet named Tylos (WASP-121b). Located 900 light-years from Earth, this planet has a 30-hour orbital period, with one side perpetually scorching and the other perpetually dark. By analyzing its atmospheric iron, sodium, and hydrogen elements, researchers discovered an unprecedented phenomenon: a high-speed jet stream at the equator, alongside a lower atmospheric flow transporting gas from the hot side to the cold side. This bizarre climate pattern challenges our understanding of planetary weather systems and reads like something out of science fiction.

(arstechnica.com)

Tech atmospheric circulation

OpenArc: A Lightweight Inference API for Accelerating LLMs on Intel Hardware

2025-02-19

OpenArc: A Lightweight Inference API for Accelerating LLMs on Intel Hardware

OpenArc is a lightweight inference API backend leveraging the OpenVINO runtime and OpenCL drivers to accelerate inference of Transformers models on Intel CPUs, GPUs, and NPUs. Designed for agentic use cases, it features a strongly-typed FastAPI implementation with endpoints for model loading, unloading, text generation, and status queries. OpenArc simplifies decoupling machine learning code from application logic, offering a workflow similar to Ollama, LM-Studio, and OpenRouter. It supports custom models and roles, with planned extensions including an OpenAI proxy, vision model support, and more.

(github.com)

AI Inference API

TRMNL's Unbrickable Pledge: Open Source and Sustainability

2025-02-19

TRMNL has made a promise to never brick your device. They've followed through with open-sourcing their firmware, building BYOS clients in Ruby, Elixir, and Python, selling BYOD licenses, releasing the free Framework UI kit, and hiring a senior engineer for OSS. To address growing server costs, they've introduced the 'Unbrickable Pledge,' promising to release the core web application source code in case of insolvency. This commitment ensures user data safety and reduces e-waste.

(usetrmnl.com)

Tech

Augment: AI-Powered Code Completion and Chat for Vim/Neovim

2025-02-19

Augment: AI-Powered Code Completion and Chat for Vim/Neovim

Augment released its Vim/Neovim plugin offering inline code completions and multi-turn chat conversations tailored to your codebase. After installation (requiring Node.js 22.0.0+ and compatible Vim/Neovim versions), add workspace folders and sign in to the Augment service. Context-aware code completions appear as you type; use the `:Augment chat` command for AI-powered code discussions. The plugin provides commands for managing status, login/logout, enabling/disabling suggestions, viewing logs, and starting new chat conversations. `.augmentignore` helps manage large projects. Easily customize keybindings for accepting suggestions.

(github.com)

Development AI code completion

Hand-rolled JSON Parser in Rust: A 800-line Side Project

2025-02-19

Hand-rolled JSON Parser in Rust: A 800-line Side Project

Inspired by a university compilers course, the author built a JSON parser in Rust as a side project. The article details the design and implementation, covering handling various JSON data types (strings, numbers, arrays, objects), error handling, and performance testing. The final parser clocks in at around 800 lines, including improved error messages for easier debugging. Performance tests, though not optimized, showed decent parsing speeds.

(www.krish.gg)

Development JSON parser

Nvidia Quietly Kills 32-bit PhysX Support on RTX 50 Series GPUs

2025-02-19

Nvidia Quietly Kills 32-bit PhysX Support on RTX 50 Series GPUs

Nvidia has silently ended support for 32-bit PhysX on its RTX 50 series GPUs. This game-specific physics technology, popular in the early 2000s, is officially retired due to the deprecation of 32-bit CUDA applications support starting with the RTX 50 series. While no 64-bit PhysX games exist, RTX 50 and later GPUs will lack PhysX support entirely. PhysX, once used in major titles like the Batman Arkham trilogy and Borderlands series, offloaded physics calculations from the CPU to the GPU for performance gains. However, its Nvidia-only nature and inflexibility led to its decline. To use PhysX on RTX 50 series cards, users must now utilize an older GPU dedicated to PhysX.

(www.tomshardware.com)

Game GPU Physics

The Mind-Blowing Secrets of the Number Line

2025-02-19

The Mind-Blowing Secrets of the Number Line

This article delves into the surprising complexities hidden within the seemingly simple number line. The author argues that even integers warrant deeper consideration regarding their existence and distinctness. Even more shockingly, the vast majority of numbers on the number line are non-computable, meaning they cannot be precisely expressed or calculated, exceeding the limits of human comprehension. This challenges our understanding of numbers and reveals the endless mysteries of the mathematical world.

(mathwithbaddrawings.com)

Misc Number Theory Non-computable Numbers

Little Sisyphus: A Month-Long NES Platformer Odyssey

2025-02-19

Little Sisyphus, a physics-based platformer for the NES, was developed in just one month for the 2023 NESDev Compo. The game centers around rolling a ball up a mountain, offering challenging gameplay with a unique art style inspired by ancient Greek pottery. The developer details the creation process, from concept to completion, highlighting the use of NESFab, impulse-based and position-based physics, water effects, and music composition. Limitations of the NES hardware led to compromises, but the final product is a polished testament to efficient development and creative problem-solving, even incorporating AI-generated art assets.

(pubby.games)

Game NES game development

NASA Halts Layoffs: New Administrator Nominee Behind the Scenes?

2025-02-19

NASA Halts Layoffs: New Administrator Nominee Behind the Scenes?

NASA has temporarily halted its planned layoffs, with the reason remaining unclear. Sources suggest this might be linked to President Trump's nominee for NASA administrator, private astronaut Jared Isaacman. Isaacman may want more control over NASA's cuts, avoiding the blunt approach of firing all probationary employees, which could impact key positions and high-performing individuals. While the layoffs are paused, NASA still faces potential significant budget and staff reductions in the coming months, requiring negotiations with Congress.

(arstechnica.com)

Tech Isaacman

LLMs Fail at Set, Reasoning Models Triumph

2025-02-19

LLMs Fail at Set, Reasoning Models Triumph

An experiment tested the reasoning capabilities of Large Language Models (LLMs) in the card game Set. Set requires identifying sets of three cards from a layout of twelve, based on specific rules regarding shape, color, number, and shading. LLMs like GPT-4o, Sonnet-3.5, and Mistral failed to consistently identify correct sets, often suggesting invalid combinations or claiming no sets existed. However, newer reasoning models, DeepThink-R1 and o3-mini, successfully solved the problem, demonstrating superior logical reasoning abilities. This highlights a limitation of LLMs in complex logical tasks, even while excelling at natural language processing, while specialized reasoning models show a clear advantage.

(github.com)

AI Set Game

Google Play Books Bypasses Apple's App Store Commission on iOS

2025-02-19

Google Play Books Bypasses Apple's App Store Commission on iOS

Google Play Books iOS app users can now purchase ebooks and audiobooks directly through the Google Play website, bypassing Apple's 30% commission on in-app purchases. This is enabled by an exception stemming from Apple's settlement with Japan's Fair Trade Commission (JFTC), allowing eligible "reader apps" to utilize external link account entitlements. Users are redirected to Google Play's website for purchases, maintaining access to features like Family Library. This represents a significant shift in Apple's app store policies and sets a precedent for other app developers.

(techcrunch.com)

Tech External Links

OpenAI's Ex-CTO Launches New AI Startup Focused on User-Friendly AI

2025-02-19

OpenAI's Ex-CTO Launches New AI Startup Focused on User-Friendly AI

Mira Murati, OpenAI's former CTO, has launched a new AI startup called Thinking Machines Lab. The company aims to make AI systems more understandable, customizable, and generally capable, promising transparency through regular publication of research and code. Instead of fully autonomous systems, they're focusing on tools to help humans work with AI. Murati has assembled a star team, including OpenAI co-founder John Schulman as head of research and other top talent poached from OpenAI, Character.AI, and Google DeepMind.

(www.theverge.com)

AI

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