Chinese Hackers Breached US Telecom Firm Earlier Than Previously Known

2025-06-05
Chinese Hackers Breached US Telecom Firm Earlier Than Previously Known

Corporate investigators uncovered evidence that Chinese hackers infiltrated an American telecommunications company in the summer of 2023, suggesting a breach of the US communications system earlier than publicly reported. Investigators discovered malware linked to Chinese state-sponsored hacking groups residing on the company's systems for seven months, starting in summer 2023. An unclassified report, shared with Western intelligence agencies, confirms the intrusion but omits the name of the affected company.

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90-Day Mars Trips with SpaceX Starship: A New Trajectory

2025-06-05
90-Day Mars Trips with SpaceX Starship: A New Trajectory

A new study proposes that human missions to Mars using existing SpaceX Starship technology could be shortened to just 90-104 days, significantly reducing the traditional 6-9 month transit time. By optimizing trajectories, the study outlines two new ballistic paths that avoid the need for expensive and complex nuclear propulsion. While challenges remain, including Starship reliability and the construction of Martian refueling infrastructure, this approach offers a promising pathway towards faster and more economical Mars exploration.

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Landsat 7: A 25-Year Legacy of Earth Observation Concludes

2025-06-05
Landsat 7: A 25-Year Legacy of Earth Observation Concludes

After a remarkable 25-year mission, the Landsat 7 satellite, a joint project of the USGS and NASA, has officially been decommissioned. From its first image of the Las Vegas area on July 4, 1999, to its final capture on May 28, 2024, Landsat 7 provided invaluable data for Earth observation, documenting urban sprawl, environmental changes, and significant historical events. While Landsat 7 concludes its mission, Landsat 8 and 9 continue the legacy, with Landsat Next planned for launch in the early 2030s. Landsat 7's imagery will remain archived at the USGS Earth Resources Observation and Science Center, supporting ongoing scientific research and decision-making.

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Tech

Magnus Carlsen's Apparent Farewell to Classical Chess: A Turning Point?

2025-06-05
Magnus Carlsen's Apparent Farewell to Classical Chess: A Turning Point?

World Chess Champion Magnus Carlsen recently hinted at a waning passion for classical chess, sparking debate within the chess community. He cited the grueling preparation and intense pressure as contributing factors. The article explores the demanding nature of top-level classical chess, highlighting the hours of preparation, memorization, and lengthy games often ending in draws. The rise of chess engines and readily available databases has also leveled the playing field, diminishing the element of pure skill. However, Carlsen isn't abandoning chess entirely; he remains active in faster time controls and is a proponent of more creative formats like Freestyle Chess. The piece concludes by questioning the future of classical chess and the need for innovation to maintain its relevance and appeal.

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LLMs Fail a Real-World Fact-Check: A Stark Divide in Capabilities

2025-06-05
LLMs Fail a Real-World Fact-Check: A Stark Divide in Capabilities

The author tested several large language models (LLMs) on a complex real-world fact-checking task concerning the long-term effects of ADHD medication. Results revealed a significant performance gap: some LLMs accurately cited and summarized real-world documents, while others suffered from severe 'link hallucinations' and source misinterpretations. The author argues that current LLM testing methods are too simplistic and fail to adequately assess their ability to handle complex information, calling for greater attention to this critical issue.

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Open-Source Tool LVTShift: Model Your City's Land Value Tax

2025-06-05
Open-Source Tool LVTShift: Model Your City's Land Value Tax

This blog post details using the open-source tool LVTShift to model the impacts of a land value tax (LVT). The author showcases analyses of South Bend and Syracuse, demonstrating how LVTShift simulates various LVT policies (revenue-neutral, different tax burden shifts, etc.) and their effects on city residents and economies. The post thoroughly explains data acquisition, processing, model building, and analysis, including code examples and data sources. Readers are encouraged to model their city's LVT using LVTShift and share their results.

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Development

Rural Engineer Brings Back Payphones, For Free

2025-06-05
Rural Engineer Brings Back Payphones, For Free

Patrick Schlott, an electrical engineer, has taken up a unique hobby: restoring and installing free public payphones in rural Vermont. He argues that while most people have cell phones, they aren't always reliable in rural areas, and sometimes people just need a landline. His company, RandTel, currently operates three phones, one of which is even solar-powered. This nostalgic yet socially responsible project provides a valuable community service while showcasing a piece of American history.

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Misc

NoteGen: AI-Powered Cross-Platform Note-Taking App

2025-06-05
NoteGen: AI-Powered Cross-Platform Note-Taking App

NoteGen is a cross-platform Markdown note-taking application leveraging AI to seamlessly bridge recording and writing. It supports various recording methods (screenshots, text, illustrations, etc.) and uses native Markdown for easy migration. Offline usage is supported, along with synchronization to GitHub and Gitee private repositories. AI enhancement allows users to configure various models like ChatGPT and Gemini for AI-assisted writing, polishing, and translation. Its core feature is the smooth transition from 'recording to writing,' boosting efficiency.

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Development AI Note-taking

Foam: Open-Source PKM Built on VS Code & GitHub

2025-06-05
Foam: Open-Source PKM Built on VS Code & GitHub

Foam is a free, open-source personal knowledge management (PKM) and sharing system inspired by Roam Research, built on Visual Studio Code and GitHub. It lets you organize research, keep rediscoverable notes, write long-form content, and optionally publish it to the web. Features include bidirectional linking, graph visualization, templating, tagging, and more, helping you build a personal knowledge base with easy navigation and management tools. While still under rapid development, its powerful features and open nature make it a compelling PKM choice.

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Development

Can LLMs Save Niche Programming Languages? Elixir's Strategy

2025-06-05
Can LLMs Save Niche Programming Languages? Elixir's Strategy

The rise of Large Language Models (LLMs) has sparked concerns among developers about their impact on niche programming languages. This article uses Elixir as a case study to explore how LLMs affect programming languages and how to leverage LLMs to enhance the competitiveness of niche languages. The author argues that LLM biases might lead to a preference for mainstream tech stacks, but by improving the interaction between LLMs and niche languages—such as providing better documentation and LLM-optimized code examples—LLMs can better understand and utilize niche languages. Furthermore, building evaluation datasets for niche languages can improve LLM proficiency, leading to recommendations for niche languages in suitable scenarios. Ultimately, the author suggests that actively embracing and utilizing LLMs, rather than passively resisting them, is key to the survival of niche programming languages in the AI era.

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Development

Approximating Perspective Transforms in SVG for Lightweight 3D Rendering

2025-06-05
Approximating Perspective Transforms in SVG for Lightweight 3D Rendering

A developer built a vanilla Typescript 3D renderer to render circuit boards made in React as SVGs. Since SVGs lack native perspective transforms, they cleverly used affine transformations and image subdivision. By splitting the image into many sub-regions and applying locally-correct affine transforms to each, they approximated perspective. Results showed excellent visual quality with 512 subdivisions while keeping SVG file sizes manageable. This approach offers a neat solution for displaying and reviewing circuit board changes on GitHub.

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Development Perspective Transform

Big Tech's Monopoly: If You're Not Paying, You're the Product

2025-06-05
Big Tech's Monopoly: If You're Not Paying, You're the Product

Cory Doctorow's concept of "ensh-ttification" highlights how free products often mean you, the user, are the commodity. Big tech companies leverage market power to squash competition, sacrificing user experience and privacy. The article suggests a revival of antitrust laws and a shift in tariff policies as potential weapons against this, potentially freeing the internet. The example of OG Instagram, an ad-free Instagram alternative shut down by tech giants, demonstrates how innovation is stifled, highlighting the need for legal reform to address this "felony contempt-of-business model."

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Tech

Cookie-Based Authentication in Axum: From Extractors to Middleware

2025-06-05

This article explores two approaches to implementing cookie-based user authentication in the Rust Axum framework. Initially, the author demonstrates using a custom extractor, `CookieJwt`, to retrieve JWT tokens from requests, conditionally rendering a 'Profile' or 'Login' button based on JWT validity. However, this approach proves less clean and scalable for complex authentication scenarios. The article then refactors the solution using Axum middleware, providing a cleaner, more reusable, and flexible approach to handling authentication logic. This middleware efficiently validates JWTs, manages refresh tokens, and gracefully handles various request types, ultimately resulting in a more robust and adaptable user authentication system. The author details the middleware's implementation, highlighting its advantages over the extractor-based approach.

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Development

Apple Loses Appeal in Epic Games Antitrust Case

2025-06-05
Apple Loses Appeal in Epic Games Antitrust Case

The U.S. 9th Circuit Court of Appeals rejected Apple's emergency request to pause a lower court order forcing it to open its App Store to more competition. The lower court found Apple in contempt for dodging a previous injunction, citing violations like its 27% fee on out-of-app transactions and efforts to deter developers from directing users to external payment options. Apple argued the ruling prevents it from controlling core business aspects, but the court upheld the order, leaving developers with fewer restrictions. Apple plans to continue its appeal.

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Tech

Another Car Carrier Fire Highlights Growing EV Risks at Sea

2025-06-05
Another Car Carrier Fire Highlights Growing EV Risks at Sea

The fire aboard the Morning Midas, carrying thousands of vehicles including electric vehicles, is the latest in a string of car carrier fires. This incident, along with detailed accounts of previous disasters like the Fremantle Highway and Felicity Ace, highlights the significant challenges posed by lithium-ion batteries in maritime transport. Investigations often reveal issues such as inadequate fire suppression systems, poor emergency response, and underlying design flaws. The increasing number of electric vehicles necessitates urgent improvements in safety regulations and technologies for their seaborne transportation.

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Linux Hardware Guru: Michael Larabel and Phoronix

2025-06-05

Michael Larabel, founder of Phoronix.com (2004), is a leading figure in Linux hardware performance. He's authored over 20,000 articles on Linux hardware support, performance, graphics drivers, and more. He's also the lead developer behind the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org – automated benchmarking software.

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Tech

arXivLabs: Experimental Projects with Community Collaborators

2025-06-05
arXivLabs: Experimental Projects with Community Collaborators

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the arXiv 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 works with partners who adhere to them. Have an idea for a project that will add value to arXiv's community? Learn more about arXivLabs.

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Development

American Science & Surplus: A Maker's Paradise Facing the E-commerce Tide

2025-06-04
American Science & Surplus: A Maker's Paradise Facing the E-commerce Tide

American Science & Surplus, founded in 1937, has seen its share of ups and downs. From its origins selling lenses and lab equipment, it has expanded to include science toys, craft supplies, and a vast array of electronic components and tools, embodying the maker ethos. However, the rise of e-commerce has impacted some previously popular items, such as telescopes, leading to decreased sales. The store's long history, its unique inventory, and its relationship with a now-defunct Radio Shack paint a nostalgic picture of a bygone retail era, while its current offerings still inspire creativity and innovation.

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Anthropic's Claude 4.0 System Prompt: Refinements and Evolution

2025-06-04
Anthropic's Claude 4.0 System Prompt: Refinements and Evolution

Anthropic's release of Claude 4.0 reveals subtle yet significant changes to its system prompt compared to version 3.7. These modifications illuminate how Anthropic uses system prompts to define application UX and how prompts fit into their development cycle. For instance, old hotfixes are gone, replaced by new instructions such as avoiding positive adjectives at the start of responses and proactively searching when necessary, rather than seeking user permission. These shifts suggest increased confidence in their search tools and model application, plus observation of users increasingly employing Claude for search tasks. Furthermore, Claude 4.0's system prompt reflects user demand for more structured document types, addresses context limit issues by encouraging concise code, and adds safeguards against malicious code usage. In essence, the improvements in Claude 4.0's system prompt showcase Anthropic's iterative development process, optimizing chatbot behavior based on observed user behavior.

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AI

Microsoft Flight Simulator: 40 Years of Taking Flight

2025-06-04
Microsoft Flight Simulator: 40 Years of Taking Flight

From humble beginnings on the Apple II in 1979 to today's globally detailed simulation, Microsoft Flight Simulator has soared for 40 years. This article chronicles the game's journey from its inception to its peak, subsequent decline, and triumphant return, showcasing the power of technological advancement, teamwork, and unwavering dedication to the dream of flight. From its origins at Sublogic, through Microsoft's acquisition and the efforts of Aces Studio, to Asobo Studio's AI-powered and Bing data-driven remake, each iteration reflects technological leaps and the developers' relentless pursuit of innovation.

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Game

PromptArmor: Breaking LLMs and Building the Future of AI Security

2025-06-04
PromptArmor: Breaking LLMs and Building the Future of AI Security

PromptArmor is a startup focused on AI security, specializing in breaking large language model (LLM) applications to build robust defenses. They serve major American enterprises, helping them securely accelerate their AI adoption. The team boasts experience from companies like Google and Tesla, and is backed by top investors including Y Combinator. They emphasize a customer-centric approach and offer competitive compensation, including a base salary of $120k-$180k and 0.75%-2% equity. Located in San Francisco, they're seeking engineers with strong technical skills and product sense to join their team.

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Startup

1978 NOVA Documentary: AI's Boom, Bust, and Uncertain Future

2025-06-04
1978 NOVA Documentary: AI's Boom, Bust, and Uncertain Future

The 1978 NOVA documentary "Mind Machines" features interviews with AI pioneers like John McCarthy and Marvin Minsky, exploring AI's potential and challenges. Arthur C. Clarke predicts a reshaped society if AI surpasses human intelligence, prompting reflection on life's purpose. The documentary showcases early AI technologies like computer chess and simulated therapists, envisioning future AI's learning abilities, and highlighting AI's cyclical boom-and-bust history.

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Waymo's 10 Million Rides: Tesla's Autopilot Strategy Under Pressure?

2025-06-04
Waymo's 10 Million Rides: Tesla's Autopilot Strategy Under Pressure?

In 2019, Elon Musk dismissed lidar and Waymo. Fast forward to 2024, and Waymo's driverless taxi service has surpassed 10 million rides, doubling its trips in just months. Conversely, Tesla's robotaxi service is launching with a mere 10 vehicles. The author argues Waymo's focus on densely populated urban areas, leveraging lidar and other technologies, has yielded significant progress. Tesla's approach may be too aggressive, overlooking the 80/20 rule of city driving—solving the last 20% of self-driving might require 80% of the effort. Waymo's success suggests a steady, controlled market approach might be more effective than striving for all-scenario coverage in the autonomous driving field.

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Tech

Ada and SPARK Drive into Automotive Development: NVIDIA Open-Sources Safety Process

2025-06-04
Ada and SPARK Drive into Automotive Development: NVIDIA Open-Sources Safety Process

AdaCore and NVIDIA have partnered to bring Ada and SPARK programming languages into the automotive market, open-sourcing a reference development process based on the ISO 26262 standard. NVIDIA's Drive OS utilizes Ada and SPARK for critical components to meet the highest levels of automotive safety certification. This open-source process aims to help others adopt Ada and SPARK, improving automotive software safety and reliability in the face of growing complexity.

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Microsoft Restructures to Unleash AI Power: LinkedIn and Microsoft 365 Converge

2025-06-04
Microsoft Restructures to Unleash AI Power: LinkedIn and Microsoft 365 Converge

Microsoft announced major organizational changes to fuel its AI ambitions. LinkedIn CEO Ryan Roslansky expands his role to lead Microsoft 365 Copilot, while remaining LinkedIn CEO. Charles Lamanna and his Business and Industry Copilot team will report to Rajesh, reflecting Microsoft's strategy to integrate Modern Work and Business Applications into a unified AI Business Solutions Center. This move aims to break down traditional industry silos, creating greater customer value by leveraging the combined power of LinkedIn, Microsoft 365, and Dynamics 365 to unlock the next wave of AI innovation.

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VectorSmuggle: Exfiltrating Data from AI/ML Systems via Vector Embeddings

2025-06-04
VectorSmuggle: Exfiltrating Data from AI/ML Systems via Vector Embeddings

VectorSmuggle is an open-source security research project demonstrating sophisticated vector-based data exfiltration techniques in AI/ML environments, focusing on RAG systems. It leverages advanced steganography, evasion techniques, and data reconstruction methods to highlight potential vulnerabilities. This framework supports numerous document formats and offers tools for defensive analysis, risk assessment, and improved AI system security.

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Apple Notes Rumored to Get Markdown Support in iOS 26

2025-06-04
Apple Notes Rumored to Get Markdown Support in iOS 26

Apple's Notes app is reportedly getting Markdown support in iOS 26 and macOS 26, according to 9to5Mac. This would let users format text with simple syntax, ditching the app's current rich text controls. It's a big upgrade for keyboard-centric users, letting them type **bold** or # Header directly instead of tapping buttons. This puts Apple Notes on par with Obsidian, Notion, and Bear. Developers and writers already using Markdown on GitHub or Reddit will appreciate the streamlined workflow. If true, the feature will likely be unveiled at next week's WWDC alongside other iOS 26 improvements like automatic translation and polls in Messages, and a visual redesign.

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Development

OpenAI's API Chat Log Preservation Order Sparks User Privacy Concerns

2025-06-04
OpenAI's API Chat Log Preservation Order Sparks User Privacy Concerns

A court order requiring OpenAI to preserve API chat data has sparked user panic. Users voiced concerns on LinkedIn and X, arguing it constitutes a serious breach of contract and jeopardizes privacy. Some recommend alternatives like Mistral AI or Google Gemini. OpenAI contends users need control over personal information for freedom of use and believes the court insufficiently considered user concerns. It remains unclear if the court will overturn the order.

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Tech

Open Source Software: A Cornerstone of Scientific Research

2025-06-04

This article explores the crucial role of open-source software in scientific research. The author argues that the freedom and reproducibility inherent in open-source software are essential for scientific progress, effectively addressing challenges in data processing, simulation, document preparation, and preservation. In contrast, proprietary software presents numerous risks, including restrictive licensing, software rot, and the inability to reproduce results. The article concludes by recommending several commonly used open-source software packages, such as GCC, GFortran, Julia, Typst, and Pandoc, and emphasizes the significant contribution of open-source software to scientific advancement.

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Tech
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