Half-Life 2 RTX: Free DLC Brings Ray Tracing and 4K Visuals

2025-03-18
Half-Life 2 RTX: Free DLC Brings Ray Tracing and 4K Visuals

Orbifold Studios is releasing a free DLC, Half-Life 2 RTX, for all Half-Life 2 owners. Leveraging RTX Remix technology, the DLC boasts full ray tracing, DLSS 4, and NVIDIA Reflex, resulting in stunning 4K visuals with new textures, high-poly models, and improved lighting. Demos for Ravenholm and Nova Prospekt are set for March 18th. Note: The game contains violence depicting both humanoid and alien enemies, including zombies and detailed gore.

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Game Free DLC

Probability and Duality: From Coin Flips to High-Dimensional Geometry

2025-09-21

This article explores several seemingly unrelated probability problems, such as the probability of a path existing in a random graph and the probability that the convex hull of four points on the unit circle contains the origin, both surprisingly equal to 1/2. The author cleverly uses duality tricks and combinatorial arguments to reveal the deep connections behind these problems. By analyzing the number of cells cut out of a high-dimensional space by linear hyperplanes and studying the properties of random matrices, the author ultimately explains these probability results and poses several unsolved mathematical problems, prompting readers to ponder the curious relationship between probability, geometry, and duality.

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Misc duality

A Bytecode VM for Arithmetic in Haskell: The Parser

2025-08-03
A Bytecode VM for Arithmetic in Haskell: The Parser

This post details the first part of a project to build a bytecode virtual machine for arithmetic expressions in Haskell. The VM will parse, compile, interpret, and run simple arithmetic expressions, including let bindings and nested let expressions. The author explains the expression grammar, parser implementation (using the attoparsec library), and error handling. Unit tests are presented to validate the parser's correctness. A brief overview of the AST interpreter's implementation and testing is also included. Future posts will cover the compiler and virtual machine.

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Development

US Sanctions Funnull, a CDN Powering Pig Butchering Scams

2025-05-30

The US Treasury Department sanctioned Funnull Technology Inc., a Philippines-based company providing infrastructure for hundreds of thousands of websites involved in “pig butchering” cryptocurrency scams. These scams lure victims into fraudulent investment platforms, resulting in over $200 million in US losses. Funnull routed traffic through US cloud providers, masking its criminal activity. The sanctions highlight the ongoing fight against transnational cybercrime and the challenges in combating sophisticated scams. The article also mentions EU sanctions against Stark Industries Solutions, another company facilitating Russian cyberattacks, underscoring the global nature of this problem.

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Tech

The Million-Dollar Domain: Why Milk.com's Owner Won't Sell

2025-09-07
The Million-Dollar Domain: Why Milk.com's Owner Won't Sell

The mystery of Milk.com, a personal website using a potentially million-dollar domain name for a resume and recipes, is explored. The show delves into the low cost of domain registration in the early days of the internet and the subsequent rise of domain investing. The owner of Milk.com explains why they're hesitant to sell and what price might change their mind.

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STOP AI: Radical Protest Against AGI Development

2025-02-21
STOP AI: Radical Protest Against AGI Development

A radical group called STOP AI is actively protesting the development of Artificial General Intelligence (AGI) by companies like OpenAI. They believe AGI poses an existential threat to humanity and are calling for governments to ban its development and even destroy existing models. The group's members have diverse backgrounds, ranging from engineers to physicists, and they're employing various methods, including protests and civil disobedience, aiming to rally 3.5% of the US population to effect change. The case also involves the death of former OpenAI employee Suchir Balaji, with STOP AI demanding a thorough investigation. Despite the immense challenges, they remain determined in their fight to halt AGI development.

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The Value of a Programmer: Beyond the Code

2025-04-03
The Value of a Programmer: Beyond the Code

A .Net developer's departure caused a company website crash, highlighting the risk of relying on individual expertise. The author reflects on their own experiences, discovering that companies prioritize product delivery over code itself. Even expertise in JavaScript and a self-developed A/B testing suite were eventually replaced due to company strategy changes. The author concludes that a developer's value lies in delivering products and features, not just coding skills; teamwork and overall product value are more important.

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Development

50,000-Year-Old Evidence of Widespread Human Fire Use

2025-06-29
50,000-Year-Old Evidence of Widespread Human Fire Use

New research reveals humans began extensively using fire approximately 50,000 years ago, much earlier than previously thought. Analysis of a 300,000-year-old sediment core from the East China Sea uncovered a significant increase in pyrogenic carbon, indicating a dramatic rise in fire activity. This finding aligns with similar discoveries in Europe, Southeast Asia, and the Papua New Guinea-Australia region, suggesting a global intensification of human fire use around this time. Researchers attribute this to the spread of Homo sapiens, increased population densities, and greater reliance on fire, particularly during glacial periods. This widespread fire use significantly impacted ecosystems and the carbon cycle, potentially underestimating the historical baseline of human-environment interactions in current climate models.

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Will Smith's AI-Enhanced Video Backfires: The Dawn of Deepfakes?

2025-08-31
Will Smith's AI-Enhanced Video Backfires: The Dawn of Deepfakes?

Will Smith's promotional video for his new song sparked controversy due to alleged AI enhancement. The video contains unnatural elements like distorted facial expressions, unusual crowd behavior, and other telltale signs of AI manipulation. This incident raises concerns about the misuse of AI deepfake technology and challenges our understanding of video authenticity. The core issue is the rapid advancement of AI, making deepfakes increasingly indistinguishable from reality, impacting media, brands, and politics. Trust in sources, rather than the video itself, will likely become crucial in verifying information.

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arXivLabs: Experimenting with Community Collaboration

2025-09-11
arXivLabs: Experimenting with Community Collaboration

arXivLabs is a framework for collaborators to develop and share new arXiv features directly on the website. Individuals and organizations involved share arXiv's values of openness, community, excellence, and user data privacy. arXiv only works with partners who uphold these values. Got an idea to enhance the arXiv community? Explore arXivLabs.

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Development

Mercedes-Benz is Road Testing EVs with 600+ Mile Range Solid-State Batteries

2025-07-25
Mercedes-Benz is Road Testing EVs with 600+ Mile Range Solid-State Batteries

Mercedes-Benz is pushing the boundaries of EV technology by road testing prototypes equipped with solid-state batteries, boasting a range exceeding 600 miles. Developed in collaboration with Factorial Energy and utilizing a modified EQS prototype, these batteries promise a 25% range improvement over current models. While a full market launch is targeted for 2030, Mercedes aims for series production before the year's end. This significant advancement, utilizing a safer and more efficient sulfide-based solid electrolyte, positions Mercedes at the forefront of the solid-state battery revolution, alongside other major players like Hyundai, Stellantis, and even those already mass-producing EVs.

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Tech

Extreme Minimization: Crafting a Cross-Platform Executable Under 400 Bytes

2025-01-07

This blog post details size optimization tricks from the Cosmopolitan Libc project, using x86 assembly and clever compilation techniques to drastically reduce executable size. Key methods discussed include run-length encoding, decentralized sections, dead code elimination, δzd encoding, overlapping functions, and optimizing printf. The ultimate result? A sub-400-byte ELF executable running on Linux, FreeBSD, NetBSD, and OpenBSD. This demonstrates efficient resource usage and offers new perspectives on the scalability of large codebases.

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Micron's Price Hike: AI Fuels Memory Chip Surge

2025-03-31
Micron's Price Hike: AI Fuels Memory Chip Surge

Micron Technology has announced price increases for DRAM and NAND flash memory, citing robust demand in the coming years. This price hike, expected to last through 2026, is driven by soaring demand from AI, data centers, and consumer electronics, coupled with supply constraints. A key driver is the surging demand for High Bandwidth Memory (HBM), crucial for AI accelerators and next-gen GPUs, fueled by advancements from Nvidia, AMD, and Intel. Micron is investing $7 billion in a new HBM assembly facility in Singapore to meet this demand. The resurgence of the PC and smartphone markets further bolsters memory demand, suggesting a sustained upward price trend.

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Texas Data Shows Renewables Are Saving Consumers Money

2025-06-25
Texas Data Shows Renewables Are Saving Consumers Money

Analysis of ERCOT data demonstrates that renewable energy is not only clean but also saving Texas consumers significant money. Comparing August 2018 and August 2024, despite increased peak electricity demand, the rapid growth of solar power reduced the actual fossil fuel electricity needed (net load), lowering wholesale electricity prices. The study reveals that the average electricity price in August 2024 was considerably lower than in 2018; without the growth in renewables, 2024 prices would have been at least 40% higher.

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Building Effective LLM Agents: Start Simple

2025-06-17
Building Effective LLM Agents: Start Simple

Anthropic shares its learnings from building Large Language Model (LLM) agents across various industries. They emphasize the importance of simple, composable patterns over complex frameworks. The post defines agents, differentiating between predefined workflows and dynamically controlled agents. It details several building patterns, including prompt chaining, routing, parallelization, orchestrator-workers, and evaluator-optimizer. It advocates starting with direct LLM API usage, gradually increasing complexity, and highlights the importance of tool engineering and maintaining simplicity and transparency in production.

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AI

Trump Admin's VA Cuts: A Devastating Blow to Veterans

2025-03-09
Trump Admin's VA Cuts: A Devastating Blow to Veterans

The Department of Veterans Affairs (VA) plans to cut 83,000 jobs, over 17% of its workforce. This will severely impact veterans' access to healthcare, housing, education, and other benefits. The cuts exacerbate existing challenges veterans face, including healthcare access, rising suicide rates, and worsening social issues. Further, the cuts will weaken the VA's research capabilities, hindering understanding and treatment of veteran health problems. This policy reversal will have profound consequences for those who served the nation.

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Tech Veterans

Agentic Coding: Practical Tips and Tricks

2025-06-12
Agentic Coding: Practical Tips and Tricks

This post details the author's experience with agentic coding using Claude Code, focusing on maximizing efficiency. Key strategies include using the cheaper Sonnet model, disabling permission checks, optimizing tool usage, and choosing Go for its simplicity and efficient testing. The author emphasizes writing simple, stable, and parallelizable code, and refactoring strategically. While the field is rapidly evolving, core principles like simplicity, stability, observability, and smart parallelization remain crucial for success.

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Development agentic coding

Touching Time: Stones, Wood, and the Enduring Power of Intention

2025-09-21
Touching Time: Stones, Wood, and the Enduring Power of Intention

The author's experiences living in Rome and Japan led him on a quest to understand what evokes a feeling of connection across time. Initially, he believed it was ancient stone structures, like Roman ruins. However, in Japan, he discovered that even repeatedly rebuilt wooden buildings, like Kinkaku-ji (Golden Pavilion), could inspire the same feeling. Ultimately, he realized it wasn't the materials themselves, but the enduring intention, tradition, and continued practice behind the structures—like the centuries-old fire watch patrol in a Tokyo neighborhood—that forms the crucial link to the past.

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Notion 3.0's AI Agents: Powerful Capabilities and Potential Security Risks

2025-09-20
Notion 3.0's AI Agents: Powerful Capabilities and Potential Security Risks

Notion 3.0 integrates powerful AI agents capable of creating docs, updating databases, cross-tool searching, and executing multi-step workflows. However, researchers have discovered that this power introduces significant security risks. Attackers can leverage a cleverly crafted malicious prompt injection attack to exploit the AI agent's web search tool, exfiltrating sensitive data from a user's Notion instance. The attack involves embedding a malicious prompt within an innocuous-looking document, tricking the AI agent into sending sensitive information to an attacker-controlled server. Even advanced AI models are susceptible, highlighting the critical need for robust security measures when integrating AI agents into SaaS platforms.

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Titans: A Brain-Inspired AI Architecture Conquering Long-Sequence Modeling

2025-02-21
Titans: A Brain-Inspired AI Architecture Conquering Long-Sequence Modeling

Google researchers introduce Titans, a groundbreaking AI architecture inspired by the human brain's memory system. Addressing the memory limitations and scalability challenges of existing deep learning models in processing long sequences, Titans combine attention mechanisms with a neural long-term memory module. This allows for efficient processing and memorization of historical data, excelling in tasks like language modeling, genomics, and time-series forecasting. Further, its test-time learning capability enables dynamic memory updates based on input data, enhancing generalization and adaptability. Experiments show Titans significantly outperform state-of-the-art models across various long-sequence tasks, opening new avenues for AI advancements.

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Datastar: A Hypermedia Framework That Reimagines Web Development

2025-04-11

Datastar is a new hypermedia framework designed to simplify and streamline the building of real-time web applications. Prioritizing server-side logic, it uses "signals" for automatic UI updates and leverages Server-Sent Events (SSE) for blazing-fast performance. The author, after struggling with the complexities of HTMX in a real-world application, found Datastar's reactive programming model and server-centric approach to be a refreshing alternative. Datastar minimizes front-end JavaScript dependencies, offering a compelling option for developers seeking efficiency and simplicity.

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ManimGL: The Engine Behind 3Blue1Brown's Math Animations

2025-08-23
ManimGL: The Engine Behind 3Blue1Brown's Math Animations

ManimGL is a powerful engine for creating precise programmatic animations, primarily used for explanatory math videos. Originating as a personal project by the creator of 3Blue1Brown, it now exists in two versions: the original and a more stable, community-driven edition. This guide focuses on installing and using ManimGL, outlining system requirements (Python 3.7+, FFmpeg, OpenGL, optional LaTeX), installation commands (`pip install manimgl`), useful command-line flags (-w, -o, -s, -so, -n, -f), and custom configuration (custom_config.yml). Resources like Chinese documentation and community contribution information are also provided.

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My Mac Contacted 63 Apple Domains While Idle

2025-06-12
My Mac Contacted 63 Apple Domains While Idle

My M2 MacBook Air contacted 63 different Apple domains in a single hour while I wasn't logged in or using it. Despite using NextDNS to block Apple's native telemetry, a significant portion of DNS queries still targeted Apple domains. In contrast, my 2019 Intel MacBook Pro showed less than 3% of queries going to Apple. This raises concerns about the extent of Apple's data collection, even with services like mail and calendar already blocked.

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Tech

Tailwind Plus Now Features Fully Interactive UI Blocks Without JavaScript Frameworks

2025-07-26
Tailwind Plus Now Features Fully Interactive UI Blocks Without JavaScript Frameworks

Tailwind Plus has announced that all its UI blocks are now fully interactive, even without a JavaScript framework. This is thanks to the newly released @tailwindplus/elements library, providing reusable headless custom elements for dropdowns, command palettes, dialogs, and more. These elements work seamlessly with plain HTML and are customizable with utility classes or custom CSS, simplifying development by eliminating the need to write complex JavaScript for each UI component. The update is available now for all Tailwind Plus customers.

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Development JavaScript-free

Wind Tunnels: Bridging the Gap Between Simulation and Reality

2025-05-23
Wind Tunnels: Bridging the Gap Between Simulation and Reality

This article delves into the world of wind tunnels, exploring their massive scale and diverse types. It explains how wind tunnels work, highlighting the differences between open and closed designs, low-speed and high-speed tunnels, and their various applications in aerospace, automotive, and sports industries. The article details crucial parameters like Reynolds number and Mach number, showing how adjustments to these parameters simulate diverse flight conditions and aerodynamic characteristics. Finally, the article concludes with a philosophical reflection, likening wind tunnels to bridges connecting simulation and reality, emphasizing the importance of experimental verification.

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Screen Flicker: A Hidden Health Hazard and the Calm Tech Certification

2025-06-18
Screen Flicker: A Hidden Health Hazard and the Calm Tech Certification

The Calm Tech Institute highlights the often-overlooked problem of screen flicker, prevalent in devices using Pulse Width Modulation (PWM) dimming. Low-frequency flicker (below 1kHz), common in LEDs and OLEDs, can cause visual discomfort and potential health issues. Research shows Constant Current Reduction (CCR) dimming offers a superior, flicker-free alternative, improving visual comfort significantly. Calm Tech certification emphasizes flicker-free standards, and Daylight Computer's certified computer, which eliminated PWM in favor of DC dimming, sold out, demonstrating the market's growing demand for health-conscious technology.

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MCP Server for Zig Standard Library Documentation

2025-07-25
MCP Server for Zig Standard Library Documentation

A Model Context Protocol (MCP) server, zig-mcp, provides up-to-date documentation for the Zig programming language standard library and built-in functions. It reads standard library source files directly (similar to ziglang.org's official autodoc), but outputs Markdown instead of HTML, reducing token usage. Supports Node.js and Bun, and offers a command-line interface for version control and update management, including manual, daily, and startup update policies.

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Development

Nvidia Unveils RTX 50 Blackwell GPUs: A $2000 Flagship and DLSS 4's Ambitious Claims

2025-01-07
Nvidia Unveils RTX 50 Blackwell GPUs:  A $2000 Flagship and DLSS 4's Ambitious Claims

Nvidia launched its highly anticipated GeForce RTX 50 series at CES 2025, featuring the new Blackwell architecture and DLSS 4. The lineup includes the $2000 RTX 5090, $1000 RTX 5080, $749 RTX 5070 Ti, and $549 RTX 5070. While Nvidia boasts impressive performance claims – notably the RTX 5070 allegedly matching the RTX 4090 with DLSS 4 – real-world benchmarks are needed. The cards feature increased CUDA cores, memory bandwidth, and VRAM, but also significantly higher power consumption. DLSS 4's multi-frame generation raises questions about latency and image quality. Overall, the RTX 50 series shows decent performance improvements and value, although the gap between the top-tier and others is vast, and the RTX 5070's 12GB VRAM might prove limiting.

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Hardware

Matt Mullenweg's Conflict of Interest: Time to Resign?

2025-01-12

This article argues that Matt Mullenweg, founder of WordPress, faces a significant conflict of interest by simultaneously leading the non-profit WordPress Foundation and the for-profit company Automattic. The author contends that Automattic's business interests could clash with the Foundation's mission, potentially harming the WordPress community. The article sparked a heated debate about open-source governance and commercial interests, with community members voicing strong opinions on both sides.

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Development conflict of interest

The Clever XOR Trick: Solving Tricky Interview Questions

2025-07-03

This post unveils a clever trick using the XOR bitwise operator to solve several common interview problems. XOR possesses unique properties: identical numbers XOR to 0, different numbers XOR to a non-zero value, and the order of operations doesn't affect the outcome. Leveraging these properties, you can elegantly find missing or duplicate numbers in an array, even two missing/duplicate numbers, without resorting to complex algorithms or data structures. The post progressively explains applications of the XOR trick with code examples, offering an efficient and concise problem-solving approach.

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Development
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