Arch Linux Under Week-Long DDoS Attack

2025-08-24
Arch Linux Under Week-Long DDoS Attack

The popular Arch Linux distribution is under a week-long distributed denial-of-service (DDoS) attack targeting its main website, AUR, and forums. The attacker's motive is unknown. The Arch team is actively working with its hosting provider to mitigate the attack and evaluating DDoS protection options. While Arch is known for its technical difficulty, the attack causes inconvenience to the community. Users can obtain packages via the pacman-mirrorlist package or GitHub to work around service outages.

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Tech

Neat Zig Idiom: Partially Matching Enums

2025-08-09

Zig offers an elegant solution for handling partial matching in enums, avoiding redundant code and runtime panics. The article details a clever technique using `inline` and `comptime unreachable` to allow the compiler to check for unnecessary `else` branches at compile time, improving code robustness and readability. This is particularly useful when dealing with numerous enum variants, significantly simplifying code logic.

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Development Compile-time checks

Game Changer: First 100% Protective HIV Drug Approved

2025-07-29
Game Changer: First 100% Protective HIV Drug Approved

A 44-year battle against HIV may finally be turning the corner. The FDA has approved lenacapavir (Yeztugo), a twice-yearly injection offering nearly 100% protection against HIV infection. This capsid inhibitor prevents viral replication, marking a monumental breakthrough. Gilead Sciences is ensuring global access by offering affordable pricing and signing royalty-free licensing agreements with six generic manufacturers. This innovative approach, combined with partnerships like the one with the Global Fund to fight AIDS, aims to reach up to two million people in low- and lower-middle-income countries, signaling a potential turning point in the fight against the HIV epidemic.

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Google Duplex: AI Makes Convincing Phone Calls

2025-01-02

Google Duplex is a groundbreaking AI assistant capable of conducting incredibly natural-sounding phone conversations. It mimics human speech patterns, including filler words like "um" and "uh," making interactions remarkably realistic. This technology allows Duplex to independently make appointments, book reservations, and handle various daily tasks, representing a significant leap forward in natural language processing and voice interaction. However, its capabilities have also sparked ethical concerns regarding transparency and potential misuse.

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Local LLMs vs. Offline Wikipedia: A Size Comparison

2025-07-20

An article in MIT Technology Review sparked a discussion about using offline LLMs in an apocalyptic scenario. This prompted the author to compare the sizes of local LLMs and offline Wikipedia downloads. The results showed that smaller local LLMs (like Llama 3.2 3B) are roughly comparable in size to a selection of 50,000 Wikipedia articles, while the full Wikipedia is much larger than even the largest LLMs. Although their purposes differ, this comparison reveals an interesting contrast in storage space between local LLMs and offline knowledge bases.

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AI

BMW Challenges EU's 2035 Combustion Engine Ban

2025-09-11
BMW Challenges EU's 2035 Combustion Engine Ban

BMW's CTO, Joachim Post, strongly criticizes the EU's plan to ban the sale of combustion engine cars by 2035. He argues the ban ignores consumer preferences, charging infrastructure limitations, and energy prices, potentially crippling the European auto industry. While EV sales are growing in Europe, they still represent a small percentage of the market. BMW emphasizes offering customers a choice between combustion and electric vehicles, believing the ultimate decision should rest with consumers, not the EU. This highlights the conflict between legacy automakers and EU policies, and raises concerns about the future of the automotive industry.

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Farting MacBook: Introducing FartScrollLid

2025-09-12
Farting MacBook:  Introducing FartScrollLid

Meet FartScrollLid, a hilarious macOS app that transforms your MacBook's lid into a fart machine! Leveraging the built-in lid angle sensor, it plays dynamic fart sounds whose pitch and volume change based on how quickly and how far you open or close the lid. Open-source and easy to build, it's a fun project showcasing creative use of MacBook sensors. Get ready for some laughs!

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Game

Solar Farms Find Unlikely Allies: Thousands of Sheep

2025-01-19
Solar Farms Find Unlikely Allies: Thousands of Sheep

The booming US solar industry has discovered an unexpected partner: sheep. Large-scale solar farms, like SB Energy's massive Texas project, are utilizing thousands of sheep to maintain the land, replacing gas-powered mowers and offering a sustainable alternative. This 'solar grazing' or 'agrivoltaics' trend is expanding, creating opportunities for struggling sheep farmers and fostering positive community reception to solar farms. While long-term environmental impacts require further study, the success stories, like Texas Solar Sheep's rapid growth, highlight the potential benefits of this innovative approach.

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Tech

One-Minute Videos from Text Storyboards using Test-Time Training Transformers

2025-04-08

Current Transformer models struggle with generating one-minute videos due to the inefficiency of self-attention layers for long contexts. This paper explores Test-Time Training (TTT) layers, whose hidden states are themselves neural networks, offering greater expressiveness. Adding TTT layers to a pre-trained Transformer allows for the generation of one-minute videos from text storyboards. Experiments using a Tom and Jerry cartoon dataset show that TTT layers significantly improve video coherence and storytelling compared to baselines like Mamba 2 and Gated DeltaNet, achieving a 34 Elo point advantage in human evaluation. While artifacts remain, likely due to limitations of the 5B parameter model, this work demonstrates a promising approach scalable to longer videos and more complex narratives.

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Jack London's Biased Reporting: The Jeffries-Johnson Fight

2025-04-01
Jack London's Biased Reporting: The Jeffries-Johnson Fight

In 1910, Jack London covered the Jeffries-Johnson boxing match in the US, producing numerous articles analyzing the fighters' tactics and personalities from various angles. Despite witnessing Johnson's decisive victory in Sydney, London employed racist rhetoric, portraying Johnson's skill as a liability, suggesting his sophistication prevented him from being champion. He depicted Jeffries as a more 'savage' warrior, inverting typical racial stereotypes, yet Johnson still emerged negatively portrayed, highlighting the inherent bias in London's reporting.

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The UK's Electrifying History: From Chaos to Nationalization and Back

2025-06-16
The UK's Electrifying History: From Chaos to Nationalization and Back

This article chronicles the evolution of the UK's electricity system from its chaotic beginnings in the late 19th century to its current state. Initially, local electricity companies operated independently, resulting in inconsistent voltage and frequency, and low efficiency. World War I exposed the criticality of this fragmented system, leading to government-driven efforts toward regional interconnection. Despite the 1919 Electricity (Supply) Act, progress was slow due to local protectionism and the lack of enforcement power. A 1925 inquiry highlighted the severity of the situation, paving the way for a large-scale national grid. After World War II, the grid was nationalized, only to be privatized under Margaret Thatcher's government, leading to ongoing debate. The article uses the UK's century-long electricity journey as a case study to explore the influence of government regulation, market competition, and technological advancements on energy systems.

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Wasm GC Isn't Ready for Realtime Graphics

2025-01-18

David Thompson's blog post highlights significant performance issues with Wasm GC in realtime graphics. The core problem stems from the opacity of Wasm GC heap objects to the host JavaScript environment. This necessitates byte-by-byte data copying for WebGL rendering, severely impacting performance. In contrast, Wasm linear memory offers direct JavaScript access and superior efficiency. Thompson explores workarounds, finding none satisfactory. He urges the Wasm community to address these limitations to avoid hindering technologies like WebGPU.

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Development Real-time Graphics

Beyond RAG: LLM Tool Calling Ushers in a New Era for Semantic Search

2025-05-22
Beyond RAG: LLM Tool Calling Ushers in a New Era for Semantic Search

This article explores methods for implementing semantic search, particularly using LLMs for vector embedding search. While directly embedding user search terms and documents sometimes yields suboptimal results, new techniques like Nomic Embed Text v2 improve embedding methods, bringing questions and answers closer together in vector space. Furthermore, LLMs can synthesize potential answers, then use those embeddings to search for relevant documents. The article also introduces LLM-based Retrieval-Augmented Generation (RAG) systems, emphasizing that RAG doesn't rely on vector embeddings and can be combined with keyword search or hybrid search systems. The author argues that despite the emergence of long-context models, RAG won't disappear because the amount of data will always exceed model context capacity. The author favors the LLM tool-calling approach, exemplified by o3 and o4-mini, believing it's more effective than traditional RAG (single retrieval followed by direct answering).

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AI

Boycott IETF 127: Safety Concerns in the US

2025-03-21
Boycott IETF 127: Safety Concerns in the US

The IETF's decision to hold its 127th meeting in San Francisco has sparked a boycott due to serious safety concerns for attendees traveling to the US. The article highlights numerous documented cases of individuals, including scientists, tourists, and even those with green cards, being detained and subjected to inhumane conditions at the US border due to their nationality, political beliefs, or other factors. Citing RFC 8718 and RFC 9137, which emphasize inclusivity and safety in venue selection, the call to boycott aims to pressure the IETF to relocate the meeting. Hundreds have already signed in support, including those unable to travel, those refusing attendance, and those voicing solidarity.

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Steam Cracks Down on Adult Games: Payment Processors' New Rules Spark Controversy

2025-07-17
Steam Cracks Down on Adult Games: Payment Processors' New Rules Spark Controversy

Steam recently updated its platform rules, banning games that violate the regulations of payment processors and banks, leading to the removal of numerous games with sexual themes, particularly those with "incest" in their titles. This move stems from payment companies' long-standing opposition to adult content, fearing a lack of sufficient safeguards against illegal content on the platform. While many players support the removal of explicit games, concerns have been raised that this sets a precedent for financial censorship, potentially affecting more games in the future, including those with LGBTQ+ themes.

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RoureXOS 2.0: A Lightweight OS Rewritten in Rust

2025-06-19
RoureXOS 2.0: A Lightweight OS Rewritten in Rust

The RoureXOS operating system has been rewritten in Rust for its second iteration. This lightweight OS can run in the QEMU emulator (using the provided ISO image) and on x86_64 bare metal (booting from USB). Detailed instructions cover dependency installation, kernel compilation, ISO image creation, QEMU emulation, and even networking using SLIP. The clear steps make it easy to experience this new OS.

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Development

Security Vulnerabilities Stemming from Dart/Flutter's Weak PRNG

2024-12-13
Security Vulnerabilities Stemming from Dart/Flutter's Weak PRNG

Zellic's research uncovered multiple security vulnerabilities caused by a weak pseudorandom number generator (PRNG) in Dart/Flutter. A flaw in the initialization of the `Random()` function within the Dart SDK resulted in insufficient entropy in generated keys, making them susceptible to brute-force attacks. This allowed attackers to easily gain access to the Dart Tooling Daemon, enabling them to read or write workspace files and even execute arbitrary code. Furthermore, Proton Wallet and SelfPrivacy projects were also affected by this weak PRNG, experiencing encryption vulnerabilities and predictable password issues, respectively. While the vulnerability has been patched, developers are urged to exercise caution when using the `Random()` function and utilize `Random.secure()` when cryptographically secure random numbers are required.

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py3-TTS-Wrapper: A Unified Cross-Platform Text-to-Speech Library

2025-02-10
py3-TTS-Wrapper: A Unified Cross-Platform Text-to-Speech Library

py3-TTS-Wrapper is a Python library offering a unified interface for seamless integration with various text-to-speech (TTS) services like AWS Polly, Google TTS, and Microsoft Azure TTS. It supports SSML for enhanced control, allowing customization of voice, language, volume, pitch, and rate. Features include streaming, file output, and offline engine support (eSpeak-NG, PicoTTS). Whether you need TTS in your project or want to explore different TTS engines, py3-TTS-Wrapper simplifies the process.

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Development

Asunción's Paradox: Modern High-Rises Amidst Urban Chaos

2025-06-25
Asunción's Paradox: Modern High-Rises Amidst Urban Chaos

A recent visit to Asunción, Paraguay, revealed a striking lack of aesthetic coherence. Modern high-rises stand juxtaposed with dilapidated buildings, reflecting Paraguay's low government spending (19% of GDP) and high informal employment (62-67%). Unique tax regulations attract foreign investors, fueling a real estate boom that largely bypasses the local middle class. The author explores the complex interplay of economic policies, historical context, and social factors shaping Asunción's unique urban landscape.

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Misc

It's Time to Stop Building KV Databases

2025-03-25
It's Time to Stop Building KV Databases

The author argues that Key-Value databases are overly simplistic and lack expressive power, making them painful to use. While popular among storage engine vendors, KV databases are merely building blocks for reasonable data models, forcing users to build these models from scratch, often with suboptimal results. The author proposes a middle ground: an embedded database with typed records, separating logical and physical schemas but writing queries against the physical schema. This avoids complex query planners, supports asynchronous schema changes and layout switching. This approach balances data independence with the simplicity needed for embedded systems, offering a compelling alternative to both simple KV stores and the complexities of full-blown relational databases.

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Development

Paywall Bypass Site 12ft.io Shut Down by News/Media Alliance

2025-07-18
Paywall Bypass Site 12ft.io Shut Down by News/Media Alliance

The News/Media Alliance successfully pressured the web host to take down 12ft.io, a website that allowed users to bypass online paywalls. The alliance argued that 12ft.io offered illegal circumvention technology, harming the business model of news publishers. This action sparks debate on paywalls, internet openness, and the impact of AI search on the news industry, highlighting the struggles of news publishers to find sustainable models in the digital age. The site's creator initially built it to counter paywalled research results, ironically later implementing a subscription model himself.

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Tech

Sig Sauer P320 FMECA Leak Escalates in Appeals Court

2025-08-29

The legal battle over the secrecy of Sig Sauer's P320's Failure Modes, Effects, and Criticality Analysis (FMECA) document intensifies. The Trace newsroom intervened in the appeal, pushing for the release of key records and highlighting Practical Shooting Insights' role in publishing the unredacted document. Sig Sauer counters with national security concerns, but the FMECA has been widely disseminated online, including a discussion by a Sig Sauer executive who directed listeners to the website. The court will decide whether to allow intervention and whether to uphold the strong presumption of public access to class-certification records. The case has significant implications for consumer protection and product safety.

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Tech

Kilo Code: Building an AI Code Generator with a Blazing-Fast Community

2025-03-26
Kilo Code: Building an AI Code Generator with a Blazing-Fast Community

In just two weeks, the Kilo Code team assembled a team of ten and built an AI code generation tool based on open-source projects like Roo Code and Cline. They embrace rapid iteration and actively seek user feedback, offering a free tier and rewards. Kilo Code aims to create the most user-friendly AI coding agent, covering a range of functionalities from small projects to advanced use cases, including instant app generation, automated doc updates, and team collaboration.

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POSH is Hiring an Energy Analysis & Modeling Engineer

2025-02-21
POSH is Hiring an Energy Analysis & Modeling Engineer

POSH, a company revolutionizing the battery energy storage industry with innovative solutions for commercial and industrial applications, is seeking an Energy Analysis & Modeling Engineer. This role involves developing, analyzing, and optimizing energy storage models to improve system performance, efficiency, and cost-effectiveness. Ideal candidates will possess a Bachelor's or Master's degree in Electrical Engineering, Mechanical Engineering, Energy Systems, or a related field, along with 2+ years of experience in energy modeling or battery storage system analysis. Proficiency in Python and other simulation software is essential. Responsibilities include developing energy models for battery storage and hybrid systems, performing technical and economic analysis, collaborating with hardware and software teams, and working with sales to generate proposals. POSH offers a competitive salary, benefits, and equity participation.

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LiveStore Event Definitions: A Concise Todo List Management System

2025-05-27
LiveStore Event Definitions: A Concise Todo List Management System

This code snippet defines events for managing a todo list within the LiveStore framework. It includes four events: creating a todo item (todoCreated), marking it as complete (todoCompleted), marking it as incomplete (todoUncompleted), and deleting a todo item (todoDeleted). Each event uses Schema.Struct to define its data structure, ensuring data consistency and integrity. This showcases a concise and efficient todo list management system design, leveraging an event-driven architecture to track changes in todo item status.

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Commonwealth Fusion Systems Secures $863M to Commercialize Fusion Power

2025-08-31
Commonwealth Fusion Systems Secures $863M to Commercialize Fusion Power

Commonwealth Fusion Systems (CFS), a fusion energy startup, has raised $863 million in a Series B2 funding round, bringing its total funding to nearly $3 billion—the most for any fusion startup. The round included participation from prominent investors like Nvidia, Google, and Breakthrough Energy Ventures. This investment will fuel the development of Sparc, CFS's prototype reactor, aiming for scientific breakeven by 2027. Following this milestone, construction of Arc, a commercial-scale power plant, is slated to begin in 2027 or 2028. Despite the multi-billion dollar cost of Arc, CFS has already secured a deal with Google to purchase 200 megawatts of its power, demonstrating significant market confidence in the technology.

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Tech

arXivLabs: Community Collaboration on New arXiv Features

2025-08-09
arXivLabs: Community Collaboration on New arXiv Features

arXivLabs is a framework for collaborators to develop and share new arXiv features directly on the arXiv website. Individuals and organizations working with arXivLabs 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. Have an idea to improve the arXiv community? Learn more about arXivLabs.

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Development

The Mystery of Screenshotting DRM-Protected Video on Apple Devices

2025-03-01
The Mystery of Screenshotting DRM-Protected Video on Apple Devices

Why can't we screenshot DRM-protected video on Apple devices? This article explores this issue. Initially, workarounds existed, but as DRM technology advanced, taking screenshots became nearly impossible. The article suggests that the deep integration between Apple's hardware and operating system allows DRM blocking to be implemented at the hardware level, while Windows systems, with their relatively independent image processing pipeline, allow easy screenshots. The author argues that this "feature" does nothing to combat piracy but inconveniences users, making it an unwise choice by Apple.

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