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$83 Billion Wasted: The Airport's 3-Hour Check-in Fiasco

2025-08-03
$83 Billion Wasted: The Airport's 3-Hour Check-in Fiasco

This article exposes a massive inefficiency in US air travel: the requirement for passengers to arrive 2.5-3 hours before their flight, resulting in an estimated $83 billion annual loss in wasted time. This isn't solely due to flight delays, but also because airports have become shopping malls, maximizing passenger dwell time for revenue generation. The author calls for improvements in airport processes, more smaller airports, streamlined security, increased air traffic capacity, and a rejection of the status quo to address this issue.

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(viewfromthewing.com)
Tech airline efficiency time cost airport management

Tilck: A Minimalist, Educational Kernel with Linux Compatibility

2025-07-16
Tilck: A Minimalist, Educational Kernel with Linux Compatibility

Tilck is an educational monolithic kernel designed for binary-level Linux compatibility, currently running on i686 and RISCV64. Its small, simple design makes it ideal for learning kernel programming, allowing comparison of user-mode code execution between Linux and Tilck. Tilck doesn't require custom applications; it runs mainstream Linux programs like the BusyBox suite. Future applications may include embedded systems demanding determinism and ultra-low latency, bridging the gap between Embedded Linux and real-time OSes like FreeRTOS or Zephyr.

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(github.com)
Development

Arbitrage Opportunities in Steam's TF2 Economy: A Data-Driven Analysis

2025-04-08

This article analyzes the market dynamics of in-game item trading in Team Fortress 2 on the Steam platform. Using real-time data from Steam, the author constructs an index of arbitrage potential, tracking arbitrage opportunities from November 2011 to May 2012. The index shows that arbitrage opportunities significantly increase after major updates and sales, then decrease as the community develops a more consistent understanding of item pricing. The author also discusses the economic concept of equilibrium and points out that arbitrage persists even in complex digital economies, quantifying the size of arbitrage opportunities through data analysis.

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(web.archive.org)
Game game economy

Nvidia's Secret Weapon: The DLSS Supercomputer

2025-01-16
Nvidia's Secret Weapon: The DLSS Supercomputer

Nvidia has been secretly running a supercomputer with thousands of its latest GPUs for six years, continuously training and optimizing its DLSS upscaling technology. This machine analyzes DLSS model failures – like ghosting, flickering, and blurriness – constantly improving the training dataset and leading to significant quality improvements. This relentless effort, combined with the new transformer model in DLSS 4, has yielded remarkable results.

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(www.pcgamer.com)
Tech

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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(appaddict.app)
Tech

Ransomware's Weird Vulnerability: Virtual Keyboards as a Defense

2025-06-30

Security experts have discovered a peculiar vulnerability in nearly all ransomware strains: they refuse to install on Windows computers with virtual keyboards like Russian or Ukrainian already installed. This is because many malware strains originating from Eastern Europe include checks for specific countries (e.g., Russia, Ukraine) to avoid local law enforcement. While not foolproof, installing a virtual keyboard, such as a Russian one, offers a simple, additional security measure to reduce ransomware infection risk. This approach leverages the fact that many cybercriminals avoid targeting computers within their own countries to avoid investigation.

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(krebsonsecurity.com)
Tech

FSF's 40th Anniversary: A Virtual Auction of Rare Memorabilia

2025-02-08

To celebrate its 40th anniversary, the Free Software Foundation (FSF) is hosting an unprecedented virtual memorabilia auction. Items include the original GNU head drawing by Etienne Suvasa, rare hardware like an Amiga 3000UX used in the FSF's early days at MIT, and prestigious awards such as Richard Stallman's Internet Hall of Fame medal. The auction will consist of a silent online auction followed by a live online auction, offering a unique opportunity for free software enthusiasts and collectors alike. This event highlights the FSF's unwavering commitment to software freedom over four decades.

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(www.fsf.org)
Tech auction memorabilia

Meta's Ray-Ban Smart Glasses: A Leaked Look at the HUD and sEMG Wristband

2025-09-16
Meta's Ray-Ban Smart Glasses: A Leaked Look at the HUD and sEMG Wristband

A leaked video reveals Meta's upcoming smart glasses, the 'Meta Ray-Ban Display,' featuring a HUD and controlled by a sEMG wristband. This isn't full AR; the display is monocular and offers limited AI assistance and navigation. While less ambitious than the Orion prototype, the Ray-Ban branding, secured after Meta's €3 billion investment in EssilorLuxottica, significantly boosts market appeal. Expected to launch at Connect 2025 with a starting price of $800.

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(www.uploadvr.com)
Tech

RIP Urban Dead: A Zombie Apocalypse Browser Game Closes After Nearly Two Decades

2025-03-16

Urban Dead, a free-to-play, massively multiplayer online browser game depicting a zombie apocalypse in the quarantined city of Malton, has shut down after nearly 20 years. Launched in July 2005, the game saw over 1.7 million players battling zombies, rebuilding society amidst the ruins, and facing off against military and scientific factions. Its closure, due to upcoming UK website legislation changes, marks the end of an era for this unique and long-running browser-based experience.

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(www.urbandead.com)
Game zombie

Epic Journey: A 200-Ton Neutrino Detector's Odyssey

2025-01-26
Epic Journey: A 200-Ton Neutrino Detector's Odyssey

The 200-ton spectrometer for the Karlsruhe Tritium Neutrino experiment (KATRIN) completed an epic 63-day, near 9000-kilometer journey from Deggendorf to Karlsruhe, Germany. Too large (nearly 10 meters at its widest point) and heavy for road transport, it embarked on a complex journey by barge and sea, navigating the Danube, Black Sea, and Mediterranean before finally reaching the Rhine and being lifted into place by a massive crane. The trip wasn't without incident, including a storm that damaged its protective cover, but its successful arrival paves the way for the experiment to directly measure the mass of the neutrino.

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(www.symmetrymagazine.org)
Tech neutrino physics experiment

YC Series A Funding: Automation and Platform-First Dominate

2025-05-31
YC Series A Funding: Automation and Platform-First Dominate

This analysis examines which Y Combinator (YC) companies from four batches since the ChatGPT boom have secured Series A funding. Only 2.4% of the 998 companies received Series A, a figure skewed by the short timeframe. Successful companies largely clustered in business automation, operational tooling, and platform/API-first areas, with internal business automation and operational platforms surprisingly dominant. This suggests network advantages and technical talent are key to YC success. Surprisingly, 'AI for X' verticals were limited to legal and patent-focused companies, with zero LLM evaluation, observability, or tooling companies securing Series A. Top-tier lead investors were also significant factors in success.

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(jamesin.substack.com)
Startup Series A Funding Business Automation

Blazing Fast Fibonacci on the GPU with Thrust

2025-06-27
Blazing Fast Fibonacci on the GPU with Thrust

This blog post demonstrates how to perform incredibly fast Fibonacci sequence calculations using GPU programming and the NVIDIA Thrust library. It starts by explaining the scan algorithm, then shows how to use scan operations in Thrust for simple addition and multiplication, extending this to matrix operations. Finally, it illustrates calculating Fibonacci numbers efficiently via matrix operations and the scan operation, using modulo arithmetic to avoid integer overflow. The author calculates F99999999 (mod 9837) in just 17 milliseconds on an NVIDIA GeForce RTX 3060 Mobile GPU.

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(veitner.bearblog.dev)
Development GPU computing Fibonacci sequence Thrust library

US Prison Population Plummets: A Forty-Year Turning Point

2025-06-26
US Prison Population Plummets: A Forty-Year Turning Point

After peaking in 2009, the US prison population is declining steadily, projected to fall by roughly 60% in the coming years. This isn't due to recent drops in crime, but rather a delayed effect of the high crime rates of the late 20th century. High crime led to harsh laws and policies, causing prison populations to explode. Now, with lower crime rates among younger generations, the prison population is shrinking. The future may see the US demolishing surplus prisons, saving money and improving public safety.

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(www.theatlantic.com)
Misc prisons crime rates social policy

Flawed AI Forecasting Chart Goes Viral: A Cautionary Tale

2025-05-04
Flawed AI Forecasting Chart Goes Viral: A Cautionary Tale

METR, a non-profit research lab, released a report charting the rapid progress of large language models in software tasks, sparking viral discussions. However, the chart's premise is flawed: it uses human solution time to measure problem difficulty and AI's 50% success rate time as a measure of capability. This ignores the diverse complexities of problems, leading to arbitrary results unsuitable for prediction. While METR's dataset and discussions on current AI limitations are valuable, using the chart for future AI capability predictions is misleading. Its viral spread highlights a tendency to believe what one wants to believe rather than focusing on validity.

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(garymarcus.substack.com)
AI

Operational PGP: A Guide to Secure Email Communication

2024-12-24
Operational PGP: A Guide to Secure Email Communication

This guide isn't about installing or using PGP; it's about using it securely. It emphasizes operational security beyond just encrypting email content, covering email composition, storage, key management, and more. It recommends composing emails in a text editor, avoiding saving drafts in email clients; generating and destroying keys frequently; avoiding publishing keys to keyservers; keeping email subjects blank to minimize metadata leakage; using the `gpg --throw-keys` option during encryption; enabling encryption by default and explicitly choosing whether to sign emails. The goal is maximizing PGP's security potential.

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(gist.github.com)
Development Email Security Key Management

Room-Temperature Plastic-to-Petrol Conversion Achieves 95%+ Efficiency

2025-08-28
Room-Temperature Plastic-to-Petrol Conversion Achieves 95%+ Efficiency

Scientists in the US and China have developed a one-step method to convert mixed plastic waste into petrol at room temperature and ambient pressure, achieving over 95% efficiency. This energy-efficient process uses less equipment and fewer steps than conventional methods, making it scalable for industrial use. The method combines plastic waste with light isoalkanes, producing gasoline-range hydrocarbons (molecules with 6-12 carbons) and hydrochloric acid, which can be safely neutralized and reused. This breakthrough addresses the challenge of processing polyvinyl chloride (PVC), integrating dechlorination and upgrading into a single stage, avoiding the high-temperature dechlorination step required by traditional methods. Tests show high conversion efficiency even with real-world mixed and contaminated waste streams, offering a promising pathway towards circular economy goals.

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(interestingengineering.com)
Tech

Linear Scan Register Allocation: Handling Lifetime Holes

2025-08-26
Linear Scan Register Allocation: Handling Lifetime Holes

This post details improvements to the linear scan register allocation algorithm to handle lifetime holes. The author explains how lifetime holes arise from reducing the control flow graph to a linear instruction sequence, creating discontinuities in virtual register lifetimes. The solution involves modifying the interval data structure to support multiple disjoint ranges, allowing the identification and exploitation of these holes. The linear scan algorithm is then adapted to consider these holes during register assignment, improving register utilization. This enhances the compiler's ability to leverage register resources, ultimately boosting code performance.

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(bernsteinbear.com)
Development linear scan algorithm

Windows 11 25H2 Preview: Minor Update, Feature Enhancements

2025-07-13
Windows 11 25H2 Preview: Minor Update, Feature Enhancements

Windows 11 preview build 27898 includes several improvements, such as shrinking taskbar icons when too many apps are pinned, redesigning the permission pop-ups for system access (webcam, microphone), and allowing users to customize the dictionary for speech-to-text. The 25H2 update itself appears minor; Microsoft states it shares a servicing branch with 24H2 and that features will be staged, pre-installed on 24H2 systems and enabled upon installing the 25H2 update.

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(arstechnica.com)
Tech

Rust's Weird Expressions: Pushing the Type System to its Limits

2025-06-28
Rust's Weird Expressions: Pushing the Type System to its Limits

This article delves into some extreme and seemingly paradoxical expressions within Rust's powerful type system. By dissecting examples from the `weird-expr.rs` test file, such as the creative use of `return true`, nested loops and `break` statements, and a deep understanding of type inference and coercion, the article explains their validity in Rust. These are not bugs, but rather showcases of Rust's flexible type system and expressive power, demonstrating its robustness in handling edge cases.

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(www.wakunguma.com)
Development

It's Time to Ditch the Cargo Cult Metaphor: A Critique of Technological and Cultural Misunderstanding

2025-01-12
It's Time to Ditch the Cargo Cult Metaphor: A Critique of Technological and Cultural Misunderstanding

This article critiques the overuse of the 'cargo cult' metaphor in programming and technology. The author argues that the popular culture depiction of cargo cults is inaccurate and ignores the underlying colonial oppression and cultural destruction. Actual cargo cults are far more complex than simple imitation, blending religious, cultural, and responses to colonial history. The author calls for abandoning this misleading metaphor and acknowledging its historical and cultural significance.

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(www.righto.com)
Tech cargo cult colonial history

Apple's AirPods Pro 3: Heart Rate Tracking, Improved Noise Cancellation, and Live Translation

2025-09-10
Apple's AirPods Pro 3: Heart Rate Tracking, Improved Noise Cancellation, and Live Translation

Apple unveiled the third-generation AirPods Pro on Tuesday, featuring heart rate tracking (a first for AirPods), enhanced audio, and a smaller, more interactive charging case. Priced at $249, they'll be available for pre-order today and in stores September 19th. Improvements include double the noise cancellation of the Pro 2 and live translation capabilities via an iOS 26 software update. Smaller, more comfortable earbuds with five foam tip sizes are also included. While this is the current model, rumors suggest a higher-end version with an infrared camera for gesture control and improved spatial audio for the Vision Pro headset is slated for a 2026 release.

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(techcrunch.com)
Hardware

Chrome Canary 130: Customizable <select> Element Arrives!

2025-02-20
Chrome Canary 130: Customizable <select> Element Arrives!

Chrome Canary 130 introduces a major update: a customizable `` element! This long-standing developer pain point finally has a solution. Using the `appearance: base-select` property, developers can deeply customize the `` element and its popup picker, including styling, content, and interactivity. The feature is officially in Stage 2 in the WHATWG, with strong cross-browser interest. This post details how to enable the feature, customize its components, and considerations around limitations and accessibility. While some features are still under development, this powerful new feature will significantly improve the web development experience.

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(developer.chrome.com)
Development

The Double-Edged Sword of AI: Efficiency Gains vs. Environmental and Ethical Concerns

2025-05-15

The rise of Large Language Models (LLMs) has brought significant improvements in developer productivity, as exemplified by the impressive performance of code editors like Cursor. However, the rapid advancement of AI also presents significant environmental challenges: massive energy consumption and data center construction negatively impact climate change. Furthermore, ethical concerns surrounding the sourcing of training data and the excessive consumption of web resources are cause for alarm, including the strain on Wikipedia servers and the generation of large amounts of low-quality content, dubbed "AI slop," polluting the web. After experiencing the convenience of AI tools, the author reflects on their negative impacts and calls for attention to the potential harms of AI, urging against its blind adoption.

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(marcjenkins.co.uk)
AI

Qodo-Embed-1: A Family of Efficient, Small Code Embedding Models

2025-03-03
Qodo-Embed-1: A Family of Efficient, Small Code Embedding Models

Qodo announced Qodo-Embed-1, a new family of code embedding models achieving state-of-the-art performance with a significantly smaller footprint than existing models. The 1.5B parameter model scored 68.53 on the CoIR benchmark, surpassing larger 7B parameter models. Trained using synthetic data generation to overcome limitations of existing models in accurately retrieving code snippets, Qodo-Embed-1 significantly improves code retrieval accuracy and efficiency. The 1.5B parameter model is open-source, while the 7B parameter model is commercially available.

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(www.qodo.ai)
AI code embedding model

Hackers Hide Malware in DNS Records

2025-07-22
Hackers Hide Malware in DNS Records

Hackers are hiding malware in domain name system (DNS) records, a location largely untouched by most security defenses. This allows malicious scripts to fetch binary files without triggering antivirus software, as DNS traffic is often overlooked. Researchers from DomainTools discovered this technique being used to host a malicious binary for Joke Screenmate malware. The binary was converted to hexadecimal, split into chunks, and hidden within TXT records of subdomains. An attacker can retrieve these chunks via seemingly innocuous DNS requests, reassemble them, and convert back to a binary. This method becomes increasingly harder to detect as encrypted DNS lookups like DOH and DOT gain wider adoption.

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(arstechnica.com)
Tech

LastPass Breach Fuels Massive Crypto Heists: FBI Confirms Link

2025-03-08

A 2022 LastPass breach, where hackers stole user master passwords, has led to a string of six- and seven-figure cryptocurrency heists. The FBI and Secret Service have confirmed a connection, stating that stolen passwords were used to access victims' crypto wallets. A $150 million theft from Ripple co-founder Chris Larsen resulted in $24 million being recovered. Security researchers found that victims were often older LastPass users with weak master passwords and had stored their crypto seed phrases in LastPass's "Secure Notes". LastPass denies direct responsibility, but experts criticize the company's response and urge users to improve password security practices.

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(krebsonsecurity.com)
Tech

How Porn Shaped Our Culture

2025-04-27
How Porn Shaped Our Culture

An article in The Atlantic explores the impact of the pornography industry on contemporary culture, particularly its shaping of female representation. The piece argues that porn's rise isn't just about fulfilling sexual desires; it has shaped our cultural understanding, especially manifesting in the stereotypes and mistreatment of women, immigrants, and LGBTQ+ individuals in politics and mainstream culture. The author suggests that certain types of pornography desensitize viewers to cruelty and reinforce male dominance. While sexual openness is seen as empowering, this narrative often obscures the unsavory aspects of the pornography industry. The article also discusses the various forms of pornographic content and their effects on women, and how to counter its negative cultural influence.

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(www.theatlantic.com)
Misc cultural impact female representation

Say Goodbye to Tedious Crash Analysis: AI-Powered Debugging

2025-05-05

While software development has rapidly advanced, crash dump analysis remains stuck in the past. This article introduces mcp-windbg, an open-source project revolutionizing crash debugging using AI (GitHub Copilot) and the Model Context Protocol (MCP). Developers can now interact with the debugger naturally through conversations, with the AI automatically identifying and even fixing bugs, drastically increasing efficiency. mcp-windbg cleverly integrates WinDBG/CDB with AI, eliminating the need for manual commands. Simply ask questions, and the AI analyzes memory dumps, interprets stack traces, and provides solutions. This transforms crash analysis from a tedious chore into a smarter, more efficient process, fundamentally changing the debugging experience for software developers.

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(svnscha.de)
Development crash analysis

Perplexity Launches Comet Plus to Address AI Copyright Concerns

2025-08-26
Perplexity Launches Comet Plus to Address AI Copyright Concerns

AI startup Perplexity has launched a paid subscription service, Comet Plus, offering users premium content from trusted publishers and journalists while providing publishers with a fairer compensation model. Included in Perplexity's Pro and Max memberships, Comet Plus is also available as a standalone subscription for $5 per month. Perplexity has allocated $42.5 million to a revenue-sharing program, paying publishers 80% of revenue generated when their content is used by its Comet browser or AI assistant. This move addresses ongoing copyright infringement lawsuits against AI companies. Perplexity aims to foster partnerships with news publishers, balancing AI advancements with copyright protection.

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(www.pymnts.com)
Tech
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