NES Expansion Port Finally Awakens After 39 Years

2024-12-12
NES Expansion Port Finally Awakens After 39 Years

After 39 years of dormancy, the Nintendo Entertainment System's long-forgotten expansion port is finally being utilized in commercial products. This article explores the history of the NES expansion port and why it remained largely unused for so long, examining factors such as Nintendo's strategy, technological limitations, and the market environment. Now, thanks to the efforts of the open-source hardware community and enthusiasts, the expansion port is being used to add features like Bluetooth controller support and Famicom Disk System compatibility, marking a breakthrough in retro gaming console modding.

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Linus Torvalds Rages Against 'Turds' in Linux 6.15 Kernel

2025-03-31

Linus Torvalds, the creator of Linux, expressed his strong displeasure with the newly merged hdrtest code in the Linux 6.15 kernel, specifically within the Intel Xe driver. This testing code generates unnecessary temporary files during the build process, cluttering the source tree, slowing down the build, and even affecting filename completion. Torvalds referred to it as "turds" and demanded its removal, suggesting that developers run it as a separate test instead of integrating it into the regular build. While the code aims to ensure the integrity and kernel-doc test-passing of DRM header files, its crude implementation infuriated Torvalds.

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Development

Starbucks Korea Cracks Down on 'Cagongjok'

2025-08-12
Starbucks Korea Cracks Down on 'Cagongjok'

Starbucks Korea has updated its policy to prohibit large work equipment like desktop computers and printers, addressing the issue of customers using its cafes as extended office spaces. This follows the increasing prevalence of 'cagongjok,' individuals who work long hours in cafes, often consuming minimal coffee. High office rental costs in Seoul and a post-pandemic shift to remote work have driven many to seek affordable alternatives, creating tension between cafes and customers. While Starbucks aims to be a welcoming 'third place,' this policy change reflects a shift in approach to manage space and customer experience.

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42 Open Source Projects Awarded Funding to Reclaim the Public Internet

2025-04-23

The NGI Zero Commons Fund announced its largest-ever funding round, awarding grants to 42 open-source projects focused on reclaiming the public nature of the internet. Projects span hardware (like the open-hardware tablet MNT Reform Touch and the solar-powered Solar FemtoTX motherboard), operating systems (including the next-generation bcachefs filesystem for Linux and KDE Plasma gestures), and data & AI (such as LLM2FPGA, enabling local open-source LLM inference on FPGAs). This initiative champions open, secure, and accessible internet technologies, fostering a more democratic and equitable digital landscape.

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Tech

The Rise and Fall of 3dfx: A Voodoo Story

2025-03-10
The Rise and Fall of 3dfx: A Voodoo Story

This article recounts the legendary story of 3dfx Interactive and its Voodoo graphics cards. Starting with a group of engineers leaving Silicon Graphics, they built a company based on affordable, high-performance 3D acceleration, forging close ties with game developers. They quickly dominated the PC gaming 3D market in the late 90s. However, strategic missteps (like entering the motherboard market and a failed Sega Dreamcast deal), coupled with the rise of competitors ATI and NVIDIA, led to 3dfx's acquisition by NVIDIA in 2000. Despite this, Voodoo cards and the Glide API left a lasting impact on PC gaming history and laid the groundwork for the modern GPU industry.

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Tech

Pure CSS Logic Gates: An Experimental CSS if() Function in Chrome 137+

2025-07-06

This blog post demonstrates the implementation of pure CSS logic gates using the experimental CSS `if()` function available in Chrome 137+. It covers basic gates like AND, OR, NOT, and XOR, and progresses to more complex circuits such as half-adders, full-adders, and multiplexers. By cleverly leveraging CSS variables and conditional statements, the author achieves functionality typically relegated to hardware or programming languages, showcasing the potential of CSS in computation.

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Development Logic Gates if function

Aeroflot Flight 1492: A Deadly Convergence of Pilot Error and Systemic Failures

2025-05-13
Aeroflot Flight 1492: A Deadly Convergence of Pilot Error and Systemic Failures

This article provides a detailed analysis of the 2019 Aeroflot Flight 1492 crash. The accident resulted from multiple bounces during a landing in severe weather, ultimately leading to a crash and fire that killed 41. The investigation revealed pilot error, aircraft design flaws, and inadequate airline training as primary causes. The aircraft's fly-by-wire system lacked sufficient redundancy and safety mechanisms; the pilot lacked adequate training and emergency response capabilities; and the airline had insufficient safety management and training deficiencies. The accident highlights the severity of systemic safety issues within the Russian aviation sector.

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A Concise Rust Kernel Driver: The AX88796B Ethernet Controller Example

2025-06-28

This article details the experience of writing a Linux kernel driver for the AX88796B embedded Ethernet controller using Rust. The author contrasts the Rust version with its C counterpart, highlighting differences in syntax, types, and APIs. The Rust version is remarkably concise, at just over 100 lines, leveraging macros to simplify driver registration and using traits and the `#[vtable]` macro for seamless integration with existing C code. The article clearly explains the advantages of Rust in kernel driver development, such as memory safety guarantees through references and simplified error handling using `Result` and the `try` operator, providing valuable insights for Rust kernel driver development.

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Development Kernel Driver

Breaking into the Game Industry: A Veteran's Advice

2025-08-29

A seasoned game developer shares their journey from learning game development in the 1990s to offering advice for aspiring game developers today. The article stresses the importance of self-learning and leveraging modern tools like ChatGPT for efficient learning. It also advises focusing on mastering a specific skill and shares insights into the challenges and opportunities of indie game development, including platform selection (Steam, Roblox, Fortnite). Finally, it provides career advice, emphasizing showcasing value and proactive job hunting.

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Game

OpenAI CEO Downplays ChatGPT's Environmental Impact

2025-06-12
OpenAI CEO Downplays ChatGPT's Environmental Impact

OpenAI CEO Sam Altman claims ChatGPT's energy and water usage is far lower than previous studies suggest. He claims a single query requires only 0.34 Wh and a negligible amount of water. However, calculations based on ChatGPT's active users and message volume suggest significantly higher water consumption than Altman's estimates, contradicting other research. Altman's statements raise questions about OpenAI's data transparency and environmental responsibility, highlighting the significant environmental cost of large language models.

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Gonzalo Guerrero: A Transcultural Legend of the New World

2025-05-11
Gonzalo Guerrero: A Transcultural Legend of the New World

Gonzalo Guerrero, a Spanish sailor from the early 16th century, was shipwrecked on the Yucatán Peninsula and taken captive by the Maya. He not only gained his freedom but rose to become a respected warrior under a Maya lord, marrying a Maya woman and fathering children, some of the first mestizos in the Americas. He famously refused offers to join the Spanish conquistadors, choosing loyalty to the Maya and participating in wars against the Spanish colonizers, ultimately dying in battle. His story is a compelling tale of transcultural assimilation, personal choice, and the complexities of the colonial era.

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GENIUS Act Passed: Crypto Enters the Mainstream

2025-07-18
GENIUS Act Passed: Crypto Enters the Mainstream

The US House of Representatives passed the landmark GENIUS Act, establishing federal regulations for stablecoins. This marks a major shift, bringing cryptocurrencies out of the regulatory gray area and into the mainstream financial system. The act requires stablecoin issuers to hold one-to-one reserves in cash or US Treasury bills, mandates monthly disclosures, prioritizes consumer protection in case of issuer bankruptcy, and provides a framework for both federal and state oversight. This not only regulates the crypto market but also positions the US for leadership in the global digital currency race, paving the way for stablecoin-based instant global payments and everyday applications.

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Tech GENIUS Act

Webflow Makes GSAP 100% Free: Empowering Web Animation

2025-05-02
Webflow Makes GSAP 100% Free: Empowering Web Animation

Webflow acquired GreenSock Animation Platform (GSAP), a leading JavaScript animation library, and made it completely free for all users, including previously paid Club plugins. This move aims to lower the barrier to entry for animation development and enhance web interactivity. Significant updates include a revamped SplitText plugin (50% smaller, improved performance, enhanced accessibility), easier GSAP plugin integration within Webflow, and the ability to preview custom code before publishing. Future plans involve deeper GSAP integration within Webflow, offering a more intuitive animation development experience.

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Development Web Animation

Linux Kernel 6.16 Patches Core Dump Vulnerabilities: Saying Goodbye to a 'Stupid' API

2025-06-14

The Linux kernel 6.16 release significantly improves core dump handling, addressing long-standing security vulnerabilities. Previous API designs had flaws, such as core dump handlers running with root privileges, making them attractive attack targets, and race conditions leading to vulnerabilities. The new improvements introduce pidfd to ensure handlers operate on the correct crashed process and allow handlers to bind to a socket for receiving core dumps, reducing privilege escalation risks and effectively preventing attacks.

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Development core dump

arXivLabs: Experimenting with Community Collaboration

2025-07-02
arXivLabs: Experimenting with Community Collaboration

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the website. Individuals and organizations involved embrace arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only partners with those who share them. Got an idea for a project to enhance the arXiv community? Learn more about arXivLabs.

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Tech

OpenTyrian2000: A Cross-Platform Triumph from iOS to ESP32

2025-06-30
OpenTyrian2000: A Cross-Platform Triumph from iOS to ESP32

OpenTyrian2000 has achieved a remarkable cross-platform port, supporting macOS, iOS, Apple TV, VisionOS, Windows, Android, Linux, PS Vita, PSP, Nintendo 3DS, and even ESP32 microcontrollers. Leveraging SDL3 and SDL2, the project boasts fixes for networking support, added IPv6 compatibility, and app sandboxing for iOS and other platforms. From ARM to x86, mobile to console, OpenTyrian2000's successful port showcases its impressive portability and compatibility.

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DOT's Mass Layoffs Backfire: Agency Scrambles to Rehire Amidst Safety Concerns

2025-04-25
DOT's Mass Layoffs Backfire:  Agency Scrambles to Rehire Amidst Safety Concerns

The Department of Transportation (DOT), under Secretary Sean Duffy, has faced a major setback after mass layoffs left the agency struggling to maintain essential services, particularly within the Federal Aviation Administration (FAA). Duffy's controversial use of 'deferred resignation' deals led to nearly 4,700 employees leaving, raising significant safety concerns. Now, the DOT is reportedly attempting to rehire many of these workers, highlighting the chaotic and potentially dangerous consequences of the initial cuts. While the DOT claims the layoffs were efficiency measures, the resulting turmoil casts doubt on this narrative and raises serious questions about air travel safety.

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Sim Studio: A Powerful Platform for Agentic Workflows

2025-04-28
Sim Studio: A Powerful Platform for Agentic Workflows

Sim Studio is a powerful, user-friendly platform for building, testing, and optimizing agentic workflows. It offers both cloud-hosted and self-hosting options. Self-hosting is supported via Docker, with detailed instructions provided for setup using Docker Compose. The platform also integrates with local models, offering options for CPU and GPU usage. Development is streamlined with VS Code Remote Containers and npm. The project is open-source under the Apache License 2.0 and welcomes contributions.

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Development Agentic Workflows

The Limits of Empathy: What Is It Like to Be a Bat?

2025-09-04
The Limits of Empathy: What Is It Like to Be a Bat?

Thomas Nagel's 1974 philosophical paper, "What Is It Like to Be a Bat?", explores the nature of consciousness. He argues that while we can imagine a bat's perspective, we can never truly know "what it is like" to be a bat. The paper challenges reductive materialism, asserting that subjective experience cannot be fully explained by objective physical processes. Nagel's bat analogy has become a classic in consciousness studies, sparking ongoing debates about subjective experience, objective observation, and the mind-body problem.

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Differential Code Coverage for Debugging: A Powerful Technique

2025-04-25

This article introduces a powerful debugging technique: differential code coverage analysis. By comparing the code coverage of passing and failing tests, you can quickly pinpoint buggy code. The author uses Go's `math/big` library as an example, demonstrating how to use `go test` and `go tool cover` to generate coverage reports and `diff` to compare the differences. This efficiently identifies the code snippet causing the test failure, significantly reducing debugging time compared to traditional methods. The technique is illustrated by finding a bug in a few lines of code out of over 15,000.

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Development code coverage

David Lynch, Visionary Director of 'Twin Peaks' and 'Blue Velvet,' Dies at 78

2025-01-16
David Lynch, Visionary Director of 'Twin Peaks' and 'Blue Velvet,' Dies at 78

Acclaimed director David Lynch, known for his dark, surrealist style in films like 'Blue Velvet' and 'Mulholland Drive,' and the television series 'Twin Peaks,' has passed away at age 78. Lynch's films blended horror, film noir, mystery, and European surrealism, creating a unique narrative style. A recipient of an honorary Oscar, his work profoundly impacted cinema and television.

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Radxa Orion O6: Ambitious Open-Source Arm V9 Motherboard, But Needs Refinement

2025-02-04

Radxa's Orion O6 motherboard boasts being the world's first open-source Arm V9 motherboard, promising high performance, low power consumption, and enhanced security. However, real-world testing reveals performance doesn't quite match the marketing hype of rivalling Apple's M1 chip. While outperforming some competitors in certain benchmarks, results are mixed elsewhere. Furthermore, the open-source hardware claim is questionable, with full schematics and OSHWA certification currently absent. Software-wise, the pre-installed OS presents issues like a default device tree configuration and unusual CPU core load distribution. In short, the hardware shows promise, but software and driver support require significant improvement. Proceed with caution and temper expectations.

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Hardware

Luxury Overnight Trains Return? Dreamstar Aims to Reshape West Coast Rail Travel

2025-06-06
Luxury Overnight Trains Return? Dreamstar Aims to Reshape West Coast Rail Travel

Dreamstar is aiming to revive the glamour of luxury overnight trains connecting Los Angeles and San Francisco, a service unseen since the 1940s. Leveraging existing Union Pacific freight rail lines, they plan to offer all-sleeper accommodations with gourmet dining and five-star hospitality. This aims to provide a comfortable, reliable, and elegant alternative for medium-distance travel, claiming a 75% reduction in carbon emissions compared to flying. Having secured some investment, Dreamstar plans to launch service before the 2028 Los Angeles Olympics.

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Startup

Interconnecting the World's Grids: A Cheaper, Greener Power Future?

2025-01-25
Interconnecting the World's Grids: A Cheaper, Greener Power Future?

Norway's decision to curb electricity exports due to price spikes caused by neighboring countries importing power highlights the need for global grid interconnection. Currently, less than 3% of the world's power is internationally traded, representing a huge untapped opportunity. Interconnected grids can significantly reduce electricity costs and facilitate the use of renewable energy sources. However, national interests and energy security concerns pose challenges to international cooperation.

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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

Dgraph Labs' Journey to Continuous Security Audits: 2000+ Security Issues Resolved

2025-05-13
Dgraph Labs' Journey to Continuous Security Audits: 2000+ Security Issues Resolved

Dgraph Labs implemented a continuous security audit system using GitHub Actions and various toolsets, resolving over 2000 security issues in just three months, significantly improving SOC2 compliance. The system covers code, binary artifacts, and Docker images, leveraging Trivy and Snyk for scanning and GitHub's security tab for issue tracking and remediation. Linters are used for static code analysis and DependaBot for automated fixes. This significantly improved visibility and faster resolution of security issues, setting an example for continuous security improvement.

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Pointer Bit Manipulation: Unlocking Hidden Performance with Unused Bits

2025-09-22
Pointer Bit Manipulation:  Unlocking Hidden Performance with Unused Bits

A 64-bit pointer can address far more memory than even the most powerful supercomputers need. This article explores pointer tagging, a clever technique leveraging unused bits in pointers (typically in the upper and lower ranges) to store extra data, such as type information or flags. This improves memory efficiency and performance by reducing cache misses and streamlining dynamic polymorphism. The article illustrates this with a C++ implementation, demonstrating how to pack and unpack data within pointers and showcasing its application in abstract syntax trees and other complex data structures.

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Development pointer tagging

France's Nuclear Miracle: How a Laggard Became a Leader

2025-09-21
France's Nuclear Miracle: How a Laggard Became a Leader

In the 1970s, while the global nuclear power industry faltered, France experienced a remarkable surge. Through political will, streamlined regulation, and a unique tax system that incentivized local communities, France built numerous nuclear power plants in a decade, achieving low-carbon electricity generation and becoming Europe's largest electricity exporter. Key to their success were: single buyer, simplified approvals, localized supply chains, fleet building, and economic benefits shared with local communities. While facing cost increases and tighter regulations later, France's nuclear model remains a valuable lesson for other nations, notably China.

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Tech France

Tech Exec Laments Tech's Impact on Deep Focus

2025-07-22
Tech Exec Laments Tech's Impact on Deep Focus

Former Google CEO Eric Schmidt recently discussed on a podcast how modern technology, particularly phone notifications, significantly hinders deep thinking. He noted that young researchers have to turn off their phones to focus on in-depth research. Schmidt acknowledged that the tech industry has long sought to "monetize your attention," contradicting traditional human practices of prolonged, thoughtful reflection. Research shows our attention spans are shrinking, partly due to technology's interruptions. Some meditation app companies countered Schmidt's view, arguing that "not all screen time is created equal," and true digital wellness involves conscious tech use, not a backward step.

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