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The Brain's Energy Budget: Why Focus Leads to Fatigue

2025-06-06
The Brain's Energy Budget: Why Focus Leads to Fatigue

New research unveils the secrets of the brain's energy efficiency. The brain operates far more efficiently than previously thought, a legacy of our ancestors' evolution in energy-scarce environments. Even at rest, the brain performs extensive background tasks, including prediction and maintaining homeostasis. Intense mental activity significantly increases energy consumption, explaining why prolonged focus leads to fatigue. The brain has evolved mechanisms to limit energy expenditure, such as reducing neuronal firing rates and synaptic transmission efficiency, maximizing information transmission efficiency per energy unit. This research provides insights into the brain's mechanisms and the limits of human cognitive capacity.

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(www.quantamagazine.org)
Tech

Migratory Birds' Mitochondria: A Turbocharged Energy Source

2025-05-21
Migratory Birds' Mitochondria: A Turbocharged Energy Source

Two research teams independently investigated the changes in mitochondria during bird migration. Canadian researchers, through simulated migration experiments with yellow-rumped warblers, found that migrating birds had more mitochondria with a greater energy production capacity. Meanwhile, an American team used a mobile lab, the "MitoMobile," to study different subspecies of white-crowned sparrows in the wild, reaching similar conclusions: migratory sparrows possessed more numerous and efficient mitochondria. These studies highlight the crucial role of mitochondria in long-distance bird migration and demonstrate the dedication of scientists in pursuing scientific discovery.

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(www.quantamagazine.org)
Tech energy metabolism

Apple Delays More Personalized Siri Features

2025-03-07
Apple Delays More Personalized Siri Features

Apple has announced a delay in the release of its more personalized Siri features. Apple spokeswoman Jacqueline Roy stated that while Siri has seen additions like type-to-Siri and product knowledge, along with ChatGPT integration in the last six months, achieving a more personalized Siri with deeper contextual awareness and cross-app actions will take longer than anticipated. The rollout is now expected within the coming year.

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(daringfireball.net)
Tech

Posse Comitatus Act Loopholes: How Federal Troops Circumvent the Law in Domestic Enforcement

2025-06-10
Posse Comitatus Act Loopholes: How Federal Troops Circumvent the Law in Domestic Enforcement

The Posse Comitatus Act restricts the use of federal troops in domestic law enforcement, but loopholes are being exploited. The article highlights issues with the D.C. National Guard and the deployment of National Guard troops under Title 32 status, allowing presidents to circumvent the law and use these forces for domestic law enforcement, threatening democracy and personal liberty. Reforms are proposed to clarify D.C. National Guard command, restrict cross-state deployments of state National Guards, and ensure that National Guard units under federal command are subject to the Act.

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(www.brennancenter.org)
Tech Posse Comitatus Act Federal Troops Domestic Enforcement

Tabby: A Powerful Terminal Emulator and SSH Client

2025-09-17
Tabby: A Powerful Terminal Emulator and SSH Client

Tabby (formerly Terminus) is a highly configurable terminal emulator, SSH, Telnet, and serial client for Windows, macOS, and Linux. It boasts features like theming, customizable shortcuts, split panes, tab persistence, and supports various shells including PowerShell, WSL, and Git-Bash. Furthermore, Tabby offers extensive plugin support, including Docker integration, quick command sending, output saving, and even AI assistant integration for enhanced productivity. A versatile alternative to existing terminal applications, Tabby is ideal for developers and system administrators.

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(github.com)
Development SSH client

The Open Source Dilemma: Have We Lost Our Way?

2025-03-16
The Open Source Dilemma: Have We Lost Our Way?

The author reflects on the current state of the Open Source movement. While acknowledging incredible achievements like Wikipedia and the Linux kernel, they argue that Open Source has fallen short of its potential in terms of market share and influence. The piece suggests that the movement is too focused on technical aspects, neglecting accessibility and social equity. By viewing Open Source as a 'hackers' club', it fails to address the real-world problems of ordinary users. The author calls for the community to step outside its comfort zone, focusing on broader social issues to truly achieve 'freedom for all,' rather than empowering a select technical elite.

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(tante.cc)
Development

Memphis Disc Plant Employee Gets 57 Months for Stealing Pre-Release Movies

2025-09-13

Steven Hale, a former employee of a Memphis disc manufacturing company, was sentenced to 57 months in prison for stealing hundreds of pre-release DVDs and Blu-ray discs. The sentence stems largely from an unrelated firearm charge, with a concurrent 21-month sentence for copyright infringement. The stolen discs included high-profile titles like "Spider-Man: No Way Home," which appeared on pirate sites weeks before its official release, potentially linking Hale to the notorious piracy group EVO. While the prosecution argued Hale's actions caused tens of millions of dollars in damages, his guilty plea resulted in a less severe sentence than the maximum.

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(torrentfreak.com)
Tech

AI Debugging Falls Short: Microsoft Study Reveals Limits of Code Generation Models

2025-04-11
AI Debugging Falls Short: Microsoft Study Reveals Limits of Code Generation Models

Microsoft research reveals that even models from top AI labs like OpenAI and Anthropic struggle to debug software bugs as effectively as experienced developers. A study testing nine models showed that even with debugging tools, these models failed to successfully complete more than half of the debugging tasks in the SWE-bench Lite benchmark. The study points to data scarcity as a major factor; the models lack sufficient training data representing human debugging processes. While AI-assisted programming tools show promise, this research highlights the limitations of AI in coding, underscoring that humans remain essential.

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(techcrunch.com)
Development Code Debugging

Java for Small Programs: Scripts and Notebooks

2024-12-18

This article explores the surprising effectiveness of Java for small programs, particularly scripting and exploratory programming. The author details how Java's features, like implicit classes, records, and enums, simplify code, highlighting the ease of running Java scripts without compilation (using JEP 330 and JEP 458). Managing external dependencies with JBang is also discussed. The article further delves into using Java within Jupyter Notebooks, acknowledging current limitations while expressing hope for future improvements in the ecosystem. The author's experience automating tedious tasks showcases Java's strength over alternatives like bash scripting and Python, emphasizing the advantages of static typing and robust tool support.

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(horstmann.com)
Development Scripting

Intel Cuts Over 500 Oregon Jobs in Restructuring

2025-07-09
Intel Cuts Over 500 Oregon Jobs in Restructuring

Intel Corp. is cutting more than 500 jobs in Oregon as part of a broader restructuring plan expected to impact roughly 20% of its workforce. Layoffs, beginning July 15th, will affect facilities in Aloha and Hillsboro. This follows earlier cuts in California. New CEO Lip-Bu Tan is aiming to revitalize the company after years of declining performance, hoping to streamline operations and compete more effectively. The move, while impacting employees, is intended to make Intel a leaner, more efficient organization better positioned for future challenges in the semiconductor industry and AI computing.

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(finance.yahoo.com)
Tech

MVVM in SwiftUI: Best Practices and Pitfalls

2025-03-19
MVVM in SwiftUI: Best Practices and Pitfalls

This article delves into the best practices and challenges of using the Model-View-ViewModel (MVVM) architectural pattern in SwiftUI. The author argues that while MVVM aligns well with SwiftUI's data flow, its perceived rigidity can introduce problems. The article explains how MVVM works, how to leverage its advantages in SwiftUI, and how to navigate its challenges, including avoiding overusing view models and implementing MVVM in a SwiftUI app. It also compares MVVM to alternative architectural patterns like MVC, the Model-View pattern, and Clean Architecture, analyzing their pros and cons.

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(matteomanferdini.com)
Development Architectural Patterns

China Unveils World's Most Sensitive Neutrino Detector

2025-08-30
China Unveils World's Most Sensitive Neutrino Detector

After over a decade of construction, China has launched the Jiangmen Underground Neutrino Observatory (JUNO), claimed to be the world's most sensitive neutrino detector. Located 700 meters underground, JUNO boasts a 20,000-tonne liquid scintillator detector and over 45,000 photomultiplier tubes. It detects neutrinos from nearby nuclear power plants by capturing the light produced when neutrinos interact with hydrogen atoms in the scintillator. JUNO's success will significantly advance our understanding of neutrino mass hierarchy and types, with international collaboration from scientists across the globe signifying a major leap in China's fundamental science research.

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(www.theregister.com)
Tech Detector

The Extremely Large Telescope: A Giant Leap for Astronomy

2025-05-16
The Extremely Large Telescope: A Giant Leap for Astronomy

The Atacama Desert in Chile, one of the darkest places on Earth, is hosting the construction of the Extremely Large Telescope (ELT). With a primary mirror 39 meters in diameter—nearly four times larger than existing telescopes—the ELT promises a revolutionary leap in astronomical observation. Competing projects, such as the Giant Magellan Telescope and the Thirty Meter Telescope (currently stalled due to local opposition), aim for similar breakthroughs within the decade. These next-generation telescopes will dramatically alter our view of the cosmos, unveiling previously unseen wonders.

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(arstechnica.com)
Tech telescope

1700 Underrated Movies Discovered via Wikipedia Data Mining

2025-05-15
1700 Underrated Movies Discovered via Wikipedia Data Mining

Tired of failing movie recommendation algorithms? A programmer spent 12 hours using Python to scrape 150GB of English Wikipedia data, uncovering over 1700 critically acclaimed films from 83 countries, spanning 19 genres, and dating back to the 1910s. Most of these movies are not featured on mainstream recommendation platforms, offering cinephiles a unique opportunity to discover hidden gems. The project is not a streaming service but provides a website listing these films; purchases include lifetime free updates.

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(kudos.wiki)
Development movie recommendations data mining

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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(www.adacore.com)
Development Automotive Software Safety

Mathematician Baez: π Has an Evil Twin!

2024-12-24
Mathematician Baez: π Has an Evil Twin!

Mathematician John Carlos Baez posted on Mathstodon that the number pi (π) has an 'evil twin,' a number he calls 'c'. This intriguing statement has sparked curiosity among math enthusiasts, prompting speculation about the nature and meaning of this mysterious 'c'. The post itself lacks detailed explanation, leaving the specifics open to interpretation and fueling further exploration into mathematical mysteries.

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(mathstodon.xyz)
Misc Pi

Harvard Grad, LSD Kingpin: The Collision of Sixties Idealism and Nineties Materialism

2025-05-12
Harvard Grad, LSD Kingpin: The Collision of Sixties Idealism and Nineties Materialism

William Leonard Pickard, a Harvard graduate, was arrested for allegedly being one of the world's largest LSD manufacturers. This article chronicles his legendary and complex life: from a privileged childhood in Atlanta to the heart of the 1960s counterculture and social drug research at prestigious universities in the 1990s. He associated with rock star Sting, befriended members of the British House of Lords and US officials, and earned a master's degree from Harvard's Kennedy School of Government. However, he served multiple prison sentences for drug manufacturing and, while attempting to lead a legitimate life, was again caught up in the drug trade through his collaboration with Gordon Todd Skinner, a drug dealer. Pickard's story is a microcosm of the clash between 1960s idealism and 1990s materialism, a cautionary tale about the conflict between the dreams of the counterculture and the harsh realities of life.

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(www.rollingstone.com)
Misc drug manufacturing counterculture

China Accuses NSA Hackers of Targeting Asian Winter Games

2025-04-16
China Accuses NSA Hackers of Targeting Asian Winter Games

China has accused three US National Security Agency (NSA) employees of hacking the Asian Winter Games in Harbin, alleging they stole vast amounts of personal data. Foreign Ministry spokesman Lin Jian stated the hacks severely endangered China's critical infrastructure, national defense, finance, and citizens' personal information, marking a significant escalation in the ongoing cyber conflict between the US and China.

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(www.bloomberg.com)
Tech

arXivLabs: Experimenting with Community Collaboration

2025-07-07
arXivLabs: Experimenting with Community Collaboration

arXivLabs is a framework for developing and sharing new arXiv features directly on the website, collaboratively. Participants must embrace arXiv's values of openness, community, excellence, and user data privacy. Got an idea to improve the arXiv community? Learn more about arXivLabs!

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(arxiv.org)
Development

Massive Network of 1200+ Fake Online Gambling Sites Exposed

2025-07-31

A massive network of over 1200 fake online gambling websites is using social media platforms like Discord to lure victims with deceptive ads. These sites claim partnerships with popular personalities, offering large free credits, but ultimately steal cryptocurrency deposits. The scammers use a shared API key and unique Bitcoin wallets, employing tactics like "verification deposits" to defraud users. A 17-year-old developer uncovered the network, revealing its scale and operation, similar to "pig butchering" scams but with lower investment, less risk, and higher efficiency.

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(krebsonsecurity.com)
Tech online gambling

Generative AI: A Threat to Human Creativity?

2025-05-30
Generative AI: A Threat to Human Creativity?

Generative AI, built on a foundation of theft, is steering us towards a dehumanized future. While acknowledging the merits of machine learning, the authors argue that the current trajectory of generative AI poses a significant moral threat to humanity's most valuable asset: creativity. They've chosen a different path, prioritizing human creativity over the blind pursuit of technology, even if it means potentially falling behind. This less-traveled road, they believe, is more exciting and ultimately more fruitful for their community.

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(procreate.com)
AI Human Creativity

Starlink Goes Beyond Phones: New Zealand Launches First Satellite IoT Network for Beehives

2025-08-05
Starlink Goes Beyond Phones: New Zealand Launches First Satellite IoT Network for Beehives

SpaceX's cellular Starlink network is expanding beyond phone coverage in cellular dead zones. New Zealand's One NZ has launched the world's first Starlink Direct-to-Cell (DTC) IoT network, partnering with APIS Solutions to monitor beehives in remote areas via satellite. This utilizes Starlink's satellite connectivity to provide real-time data without reliance on traditional cell towers. T-Mobile has also confirmed plans to incorporate IoT device support into its Starlink service, highlighting the growing potential of satellite technology for connecting remote IoT devices.

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(me.pcmag.com)
Tech

Balancing Agency and Reliability in LLM-powered Customer Support Agents

2025-04-11
Balancing Agency and Reliability in LLM-powered Customer Support Agents

While Large Language Models (LLMs) are increasingly capable of high-agency tasks, deploying them in high-value use cases like customer support requires prioritizing reliability and consistency. Research reveals that while high-agency agents excel in ideal environments, real-world customer support presents challenges: knowledge gaps, unpredictable user behavior, and time constraints. To address this, a novel metric, pass^k, was developed and tested via simulated customer interactions. Results demonstrate that high-agency agents suffer reliability issues with complex tasks. The solution? The "Give Fin a Task" agent, which enhances reliability by restricting agent autonomy and employing step-by-step instructions, decomposing complex tasks into simpler modules. This approach offers a promising pathway for improving LLM performance in real-world customer support.

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(fin.ai)
AI

Peephole Optimization in Ruby VM: Adding opt_respond_to

2024-12-31
Peephole Optimization in Ruby VM: Adding opt_respond_to

This is part four of a series on optimizing the Ruby Virtual Machine (VM). The author delves into adding an `opt_respond_to` instruction to CRuby to optimize `respond_to?` method calls. The article details using a debugger to trace code execution, locate the peephole optimizer `iseq_peephole_optimize`, and by analyzing an existing frozen array optimization, attempts to match the pattern of `respond_to?` method calls, laying the groundwork for adding a new optimization instruction. The author uses concise code examples and debugging steps to clearly illustrate the peephole optimization mechanism and how to debug within the CRuby source code.

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(jpcamara.com)
Development VM Peephole Optimization

Distro (YC) Hiring a Business Development Representative

2025-01-02
Distro (YC) Hiring a Business Development Representative

Distro, a Y Combinator-backed AI platform assisting sales reps at industrial wholesale distributors, is hiring a Business Development Representative. The role requires 2-3 years of BDR/sales associate experience in vertical SaaS, CRM and marketing tools proficiency, and event management experience. Responsibilities include lead generation, qualification, pipeline advancement, demo management, and CRM maintenance. Benefits include medical, dental, and vision insurance.

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(www.ycombinator.com)
Startup

Fitness and Mortality: A Large Study Reveals Surprising Correlation

2025-05-18
Fitness and Mortality: A Large Study Reveals Surprising Correlation

A study of 1.1 million Swedish men challenges the long-held association between fitness and reduced mortality. Researchers found that while those with high fitness levels in adolescence had lower overall mortality rates, they also had similarly lower rates of accidental death, suggesting other confounding factors. Negative control outcome analysis and sibling comparison design confirmed potential bias, indicating an overestimation of fitness's impact on cardiovascular disease and cancer mortality. The study stresses the need for large-scale interventions to be based on reliable estimates, avoiding the risk of inflated expectations.

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(www.uu.se)
Tech observational study

MCP Directory: An Open-Source Minecraft Server List

2025-05-17
MCP Directory: An Open-Source Minecraft Server List

ChatMCP has launched an open-source Minecraft server list website called MCP Directory. The project utilizes a Supabase database and provides a detailed installation guide, covering steps such as cloning the repository, installing dependencies, preparing the database, and setting environment variables. Users can preview the site at https://mcp.so. Community links are also provided for user interaction and support.

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(github.com)
Game Server List

CryptPad Enterprise: Secure Collaboration in 2025

2025-03-12
CryptPad Enterprise: Secure Collaboration in 2025

In 2025, data privacy is paramount. Governments are increasing surveillance, and file-hosting companies lack transparency and regulation. Your files, ideas, and conversations are stored on their servers, potentially accessible to third parties. Traditional collaboration suites are convenient, but they control your data. CryptPad Enterprise solves this with end-to-end encryption, ensuring only you and your team can access your data. Hosted in the EU, it guarantees GDPR compliance and offers a full collaboration suite in a secure environment, allowing confidential teamwork without security compromises.

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(xwiki.com)
Tech enterprise collaboration

Website Privacy Policy Explained

2025-04-06
Website Privacy Policy Explained

To provide the best user experience, this website uses technologies like cookies to store and/or access device information. Consenting to these technologies allows us to process data such as browsing behavior or unique IDs on this site. Not consenting or withdrawing consent may adversely affect certain features and functions. The website also details the legitimate purposes for its technical storage or access of data, including service provision, preference storage, statistical analysis, and targeted advertising.

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(dfarq.homeip.net)
Misc
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