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Free Cruise Ship Wi-Fi: A High Schooler's Python Script

2025-06-16
Free Cruise Ship Wi-Fi: A High Schooler's Python Script

Facing exorbitant cruise ship internet costs, a teenager on a Princess Cruises voyage cleverly exploited a loophole in the company's 15-minute free Wi-Fi offer for app downloads. He wrote a Python script to automate the process of changing MAC addresses, logging into the ship's network, and requesting the free internet session. This yielded unrestricted, high-speed internet (7+ Mbps) for hours. The script, aided by an OpenWRT router and LLMs for coding assistance, overcame challenges like request repetition and error handling, ultimately achieving free internet access.

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(angad.me)
Development Free Wi-Fi

Massive Offshore Aquifer Discovered in the North Atlantic: A Potential Game Changer for Global Water Security?

2025-09-06
Massive Offshore Aquifer Discovered in the North Atlantic: A Potential Game Changer for Global Water Security?

Expedition 501, a multinational research project, has unearthed a massive freshwater aquifer under the North Atlantic seabed, potentially holding enough water to supply New York City for 800 years. Building on a serendipitous discovery in 1976, the expedition extracted tens of thousands of liters of water samples for analysis of their origin and usability. This discovery offers a potential solution to the growing global water crisis, but also raises challenges concerning ownership, sustainable extraction, and the impact on marine ecosystems. Further research will determine the water's age and suitability for consumption.

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(apnews.com)
Tech freshwater resources

Build Your Own Muon Detector for Under $100

2025-02-27
Build Your Own Muon Detector for Under $100

Inspired by Nobel laureate Luis Alvarez's muon-based pyramid exploration, the author built a muon detector for around $100. Using two Geiger counters and an Arduino Nano, the device cleverly distinguishes cosmic-ray muons from lower-energy particles through a coincidence method. Experiments verified its ability to detect muon flux variations with angle and successfully measured rock thickness changes deep within a gold mine, even sensing a vertical shaft. This demonstrates the feasibility of exploring Earth's inner structure with simple equipment.

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(spectrum.ieee.org)
Tech Muon Detection Cosmic Rays DIY Science

Apache SedonaDB: A Single-Node Spatial Database Engine Launches

2025-09-25

The Apache Sedona community announces SedonaDB, a new open-source, single-node analytical database engine built in Rust that treats spatial data as first-class citizens. Blazing fast and easy to install, SedonaDB offers Python and SQL interfaces and seamlessly integrates with tools like GeoArrow, GeoParquet, and GeoPandas. Leveraging Apache Arrow and Apache DataFusion, it provides a modern, vectorized query engine and optimizes spatial operations with spatial indexing and data pruning. Ideal for small-to-medium spatial data analytics, SedonaDB complements the existing Sedona ecosystem by offering a simple, high-performance alternative to distributed systems for local processing.

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(sedona.apache.org)
Tech Spatial Database

ScyllaDB Shifts to Single Enterprise Edition, Offers Free Tier

2024-12-25
ScyllaDB Shifts to Single Enterprise Edition, Offers Free Tier

ScyllaDB announced a strategic shift to focus on a single release stream: ScyllaDB Enterprise, ending its AGPL-licensed open-source offering. A free tier of ScyllaDB Enterprise will be available to the community, including all performance, efficiency, and security features previously reserved for the Enterprise edition. The free tier is limited to 50 vCPUs and 10TB of total storage. This simplifies the product line while providing a powerful free option for users.

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(forum.scylladb.com)
Development

Linux Kernel Embraces Rust: Fewer Bugs, Higher Efficiency

2025-02-20

Greg KH's email strongly advocates for incorporating Rust into the Linux kernel. His extensive experience resolving kernel bugs over 15+ years highlights Rust's ability to prevent common memory safety issues in C, such as memory overwrites, error path cleanups, and use-after-free errors. While C++ offers some improvements, Rust provides stronger memory safety guarantees. KH argues that using Rust for new drivers and kernel components will significantly reduce bugs, increase development efficiency, and free maintainers to focus on more complex logic issues and race conditions. Although maintaining mixed-language codebases is challenging, he believes the Linux community can overcome this hurdle, ensuring Linux's continued success for the next 20+ years.

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(lore.kernel.org)
Development

Physicists Challenge the Accelerating Universe: Is Dark Energy Dead?

2025-01-12
Physicists Challenge the Accelerating Universe: Is Dark Energy Dead?

A new study published in Monthly Notices of the Royal Astronomical Society: Letters challenges the Nobel Prize-winning theory of an accelerating universe. Researchers argue that the observed expansion isn't accelerating but an illusion caused by uneven galaxy distribution. They propose a 'timescape' model, suggesting different regions of the universe experience time at different rates, explaining supernova observations without requiring dark energy. While needing further validation, this model offers a fresh perspective on the universe and questions the existence of dark energy.

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(nautil.us)
Tech universe expansion

Does Field Ordering in LLM Structured Outputs Matter?

2025-05-23
Does Field Ordering in LLM Structured Outputs Matter?

This post investigates the impact of field ordering in Pydantic models used for structured AI outputs. The author uses a painting style classification task, comparing two field orderings (answer-first and reasoning-first) on various LLMs (GPT-4.1, GPT-4.1-mini, GPT-4o, GPT-4o-mini) across easy and hard tasks. Results show subtle but inconsistent performance differences across models and task complexities, suggesting the need for attention to subtle patterns in LLM outputs to optimize performance.

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(blog.kallyaleksiev.net)
AI model performance

CoverDrop: Secure Messaging for Newsreader Apps

2025-06-09
CoverDrop: Secure Messaging for Newsreader Apps

CoverDrop is a secure messaging system enabling confidential communication between users of news organizations' mobile apps and journalists, without leaving a trace. It comprises four key components: a module integrated into the news app, a cloud-based API, the CoverNode (securely hosted services), and a journalist desktop application. CoverDrop uses 'cover messages' to make secure communication indistinguishable from regular app usage, providing strong plausible deniability. The system's architecture, detailed in a white paper, is designed to protect source anonymity and message integrity. The project is open-source and includes comprehensive documentation.

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(github.com)
Tech secure communication messaging system

Minimalist Forth: Pushing the Boundaries of Language Size

2025-06-03

This article explores how small the core of the Forth language can be. It showcases several minimalist Forth implementations, including PlanckForth (under 1000 bytes), SmithForth (around 1000 bytes), sectorforth (512 bytes), and milliForth (336 bytes). These implementations achieve basic Forth functionality, even including compilers, with extremely small instruction sets. Frank Sergeant's 3-instruction Forth takes this to the extreme, running on a Motorola MC68HC11 chip in a mere 66 bytes. These examples challenge our assumptions about the size of programming languages and demonstrate the elegance of language design.

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(ratfactor.com)
Development Minimalist Programming

Quantum Signals Sent Over Commercial Fiber Using Standard Internet Protocol

2025-08-29
Quantum Signals Sent Over Commercial Fiber Using Standard Internet Protocol

Researchers at the University of Pennsylvania have achieved a groundbreaking feat: transmitting quantum signals over commercial fiber-optic cables using the standard Internet Protocol (IP). Their innovative Q-chip coordinates quantum and classical data, packaging them into standard internet packets. This overcomes the fragility of quantum signals and represents a crucial step towards a practical quantum internet, promising faster, more energy-efficient AI and breakthroughs in drug and materials design.

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(phys.org)
Tech quantum networking

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

Heavy Metal Contamination in Global Farmland: A Shocking Revelation

2025-04-29
Heavy Metal Contamination in Global Farmland: A Shocking Revelation

A groundbreaking study published in Science reveals alarming levels of heavy metal contamination in global farmland. Researchers analyzed nearly 800,000 soil samples, finding that up to 17% of cropland contains excessive amounts of arsenic, cadmium, chromium, cobalt, copper, nickel, and lead. The contamination, stemming from both natural processes and human activities like fertilizer use and industrial emissions, affects an estimated 900 million to 1.4 billion people. A ‘metal-rich corridor’ spanning densely populated regions from Europe to India highlights the long-term impact of human activities, dating back to ancient civilizations. The study emphasizes the urgent need for stricter soil standards to safeguard ecosystems and public health.

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(english.elpais.com)
Tech heavy metals

arXiv's Cloud Migration: Modernizing the Preprint Server

2025-04-18

arXiv, the world-renowned preprint server, is undergoing a major technological upgrade: migrating to Google Cloud Platform. This migration aims to improve scalability and modernize infrastructure, addressing issues such as legacy Perl and PHP backend code, asynchronous processing, and monitoring. Post-migration, arXiv will expand its subject areas, improve metadata collection, address ambiguous author identities, and enhance overall usability and accessibility. To support this exciting transformation, arXiv is hiring Software Engineers, a DevOps Specialist, and a Scientist/Software Developer with a strong background in both research and software development.

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(info.arxiv.org)
Tech Cloud Migration

arXivLabs: Experimental Projects with Community Collaboration

2025-06-13
arXivLabs: Experimental Projects with Community Collaboration

arXivLabs is a framework for collaborators to develop and share new arXiv features directly on the 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 to improve the arXiv community? Learn more about arXivLabs.

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(arxiv.org)
Development

Android's Ethernet Adapter Mystery: A Stupid Regex

2025-06-08
Android's Ethernet Adapter Mystery: A Stupid Regex

This post details the author's frustrating attempt to use a USB Ethernet adapter on their Android phone. The investigation revealed the problem wasn't driver support, but rather Android's `EthernetTracker` service using a regex `eth\d` to match Ethernet interface names. CDC Ethernet adapters create interfaces named `usbX`, resulting in non-recognition. The author meticulously documents the debugging process, including obtaining kernel configuration and analyzing Android source code. The root cause? A simple, restrictive regex. The post showcases impressive problem-solving skills but also highlights a potential flaw in Android's design.

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(jordemort.dev)
Development USB Ethernet Kernel Debugging

Parity: AI-Powered SRE to Eliminate On-Call Hell

2025-04-10
Parity: AI-Powered SRE to Eliminate On-Call Hell

Tired of 2 AM pager duty and endless alerts? Parity uses AI to automate the investigation, root cause analysis, and remediation of infrastructure issues, making on-call a thing of the past. The product has seen strong adoption with early customers and has the potential to define a new category. Parity is backed by top-tier investors including Y Combinator, General Catalyst, and Sugar Free Capital, as well as angel investors from leading startups like Midjourney and Crusoe.

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(www.ycombinator.com)
AI

The Enduring Power of Design: From Antiquity to Modernity

2025-04-12
The Enduring Power of Design: From Antiquity to Modernity

This article explores the concept of 'form follows function' in architectural design and the enduring spirit manifested in different eras. Masters of architecture such as Le Corbusier and Louis Sullivan argued that classic structures like the Parthenon, Gothic cathedrals, and modern skyscrapers, telephones, airplanes, and automobiles all embody a design spirit that combines 'imagination and reason'. Underlying these designs, despite technological advancements, is the same eternal principle.

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(publicdomainreview.org)
Design Form Follows Function Enduring Principles

Microsoft Azure Implicated in Massive Surveillance of Palestinians

2025-08-07
Microsoft Azure Implicated in Massive Surveillance of Palestinians

Reports from The Guardian and other outlets reveal that Israel has been using Microsoft Azure cloud servers to store millions of recorded phone calls from Palestinians in Gaza and the West Bank since 2022. This data, allegedly accessed by Israel's Unit 8200, has been used to inform military operations, including targeting for airstrikes. Microsoft CEO Satya Nadella reportedly approved a customized system for this purpose. The revelation has sparked outrage, with critics accusing Microsoft of complicity in potential war crimes. While Microsoft denies knowledge, evidence suggests otherwise, raising serious ethical questions about the company's role.

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(www.engadget.com)
Tech

Conquer the 'Moat of Low Status': Embrace Awkwardness, Achieve Excellence

2025-07-05
Conquer the 'Moat of Low Status': Embrace Awkwardness, Achieve Excellence

This post explores the concept of the 'Moat of Low Status,' where the fear of temporary low status prevents people from achieving more. The author uses personal anecdotes, including learning to sing, playing poker, and entering new fields, to illustrate the importance of learning by doing. While the process involves embarrassment and shame, the author encourages embracing this 'awkwardness' to ultimately overcome the 'moat' and achieve growth and success.

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(usefulfictions.substack.com)
Misc overcoming fear

Building MVPs: Speed, Focus, and Avoiding Common Pitfalls

2025-05-16
Building MVPs: Speed, Focus, and Avoiding Common Pitfalls

This article explains how to efficiently build a Minimum Viable Product (MVP). An MVP isn't about shoddy work; it's a streamlined version of your core product designed for rapid validation of core assumptions and user needs. The article highlights common mistakes to avoid, such as feature bloat, wrong technology choices, and neglecting code quality. By focusing on core problems, choosing the right tech stack, and prioritizing code quality and security, you can effectively mitigate risks, accelerate iteration, and ultimately achieve product success.

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(www.erlang-solutions.com)
Development

Canada: Squandering its Resource Advantage?

2025-01-14
Canada: Squandering its Resource Advantage?

Jay Martin's essay sharply criticizes Canada for failing to capitalize on its abundant natural resources. He argues that Canada's excessive focus on environmental concerns has overshadowed its global competitiveness in mining, energy, and other resource sectors, leading to sluggish economic growth and insufficient corporate investment. Using the analogy of the "Jamaican bobsled team," he emphasizes that nations should leverage their strengths instead of pursuing unrealistic goals. Martin calls on Canada to confront its realities and fully exploit its resource potential to thrive in the global economy.

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(jaymartin.substack.com)
Misc Canadian economy resource development national strategy

Major Grocery Distributor UNFI Hit by Cyberattack, Disrupting Operations

2025-06-09
Major Grocery Distributor UNFI Hit by Cyberattack, Disrupting Operations

United Natural Foods (UNFI), a major grocery distributor to Whole Foods and other retailers, has suffered a cyberattack, significantly disrupting its operations. The attack, discovered last Thursday, forced UNFI to shut down parts of its network, impacting order fulfillment and distribution. While workarounds are in place, the company acknowledges ongoing disruptions. UNFI, a primary distributor to Whole Foods and serving over 30,000 stores across North America, hasn't disclosed the nature of the attack or ransom demands but has reported it to law enforcement. This incident follows recent cyberattacks targeting the retail and grocery supply chain, highlighting growing cybersecurity vulnerabilities in the sector.

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(techcrunch.com)
Tech grocery retail

arXivLabs: Community-Driven Experiments on arXiv

2025-07-09
arXivLabs: Community-Driven Experiments on arXiv

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

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(arxiv.org)
Development

Google's 'Results About You' Tool Gets a Refresh: Easier Removal of Personal Info

2025-02-26
Google's 'Results About You' Tool Gets a Refresh: Easier Removal of Personal Info

Google's 'Results About You' tool, launched in 2022 and updated in 2023, helps users manage their online personal information. Recent updates include a redesigned hub and the ability to update outdated search results. Users can now submit removal requests directly from search results and refresh searches to get the latest information. While not a major overhaul, the updates improve user experience and streamline personal information management. However, the tool isn't available worldwide.

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(www.engadget.com)
Tech Search

RHEL 10: AI-Powered, Secure, and Developer-Friendly

2025-05-24
RHEL 10: AI-Powered, Secure, and Developer-Friendly

Red Hat's new Enterprise Linux 10 release is packed with features. It includes Lightspeed, an AI-powered assistant for streamlined system administration; enhanced security with post-quantum cryptography support; a new image mode for simplified container management; upgrades to the latest versions of popular developer tools (Python, Ruby, Node.js, etc.); and improvements to the installer and web console. RHEL 10 is a future-proof enterprise Linux distribution focused on security, ease of use, and developer productivity.

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(betanews.com)
Development

Keyhive Sync Protocol: Architecture and Implementation of Beelay

2025-04-20
Keyhive Sync Protocol: Architecture and Implementation of Beelay

This article details Beelay, a new sync protocol for the Keyhive project. Beelay, an RPC-based protocol, addresses shortcomings in Automerge's existing sync protocol when handling numerous documents and encrypted data. It uses Ed25519 keys for authentication and employs the RIBLT algorithm for efficient synchronization of the Keyhive membership graph and document collection. To prevent man-in-the-middle and replay attacks, Beelay incorporates the recipient's public key and timestamps in messages. Furthermore, Beelay introduces the Sedimentree protocol for efficient synchronization of Automerge document content.

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(www.inkandswitch.com)
Development Sync Protocol

Google's Search Monopoly: A Bribery Experiment Reveals Habit's Weakness

2025-04-26
Google's Search Monopoly: A Bribery Experiment Reveals Habit's Weakness

Research suggests Google's dominance stems partly from a perceived, rather than actual, superiority. An experiment paid participants to use Bing for two weeks. While most reverted to Google after payments ceased, a significant portion continued using Bing, suggesting habit change is achievable. This finding influenced antitrust lawsuits against Google. Governments may fund campaigns and offer incentives to encourage users to try alternatives, challenging Google's monopoly. Google argues that forcing users to switch would negatively impact user experience, but the experiment showed that a carefully designed nudge can make a difference.

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(www.yahoo.com)
Tech
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