Cryptocurrency Doesn't Solve the Hard Problems of Financial Inclusion

2025-01-31

Wave, a financial services company, argues that cryptocurrency isn't a silver bullet for financial inclusion. While it excels at tracking account balances, it falls short in building trust, ensuring regulatory compliance, and, most importantly, facilitating easy cash-in and cash-out. For less tech-savvy, low-income users, navigating cryptocurrency transactions is complex and costly. The article advocates for a first-principles approach to financial inclusion, prioritizing simple and effective solutions over trendy technologies. Although not a panacea, cryptocurrency shows potential in specific niches, such as acting as a store of value or enhancing cross-border payment efficiency.

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Defense Secretary's Wife Spotted at Top-Secret Military Briefings

2025-03-30
Defense Secretary's Wife Spotted at Top-Secret Military Briefings

Defense Secretary Pete Hegseth's wife, Jennifer Rauchet, has been observed attending high-level military intelligence meetings, raising concerns about security protocols. This follows the Pentagon's Signal leak scandal where Hegseth added a journalist to a group chat discussing war plans. While spouses of senior officials often hold low-level clearances, the Pentagon has not confirmed Rauchet's clearance status. Adding to the controversy, Hegseth's brother, Phil, serves as a DHS liaison and has accompanied him on official trips, sparking debate about potential nepotism. The incidents have reignited questions about the security of America's military secrets and Hegseth's leadership.

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OpenBSD's Security Journey: From IPSec to Immutable Memory

2025-02-22

This article details the evolution of software and security concepts developed and maintained by the OpenBSD project, spanning from 1993 to 2024. OpenBSD has consistently been at the forefront of security, and this overview highlights its numerous security features, including IPSec, IPv6, privilege separation, privilege revocation, stack protector, W^X, ASLR, PIE, random-data memory, SROP mitigation, library order randomization, and the cutting-edge immutable memory. These features combine to create OpenBSD's robust security architecture, providing users with a strong security foundation.

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Tech

The End of Math? AI, Capitalism, and the Future of Understanding

2025-05-19

This essay explores the potential impact of artificial intelligence (AI) on mathematical research. The author envisions a future where machine learning models could completely replace humans in proving theorems and developing theories, with mathematical research dominated by a capitalist machine. This would lead to a distortion of mathematics's essence—human understanding of the world and ourselves—shifting its value from inherent understanding to economic utility. While not immediately imminent, the author argues we should reflect on the meaning of mathematics and how to protect human intellectual pursuits in the age of AI.

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AI Future

Microplastics Found in Human Brains: A Growing Threat?

2025-02-15
Microplastics Found in Human Brains: A Growing Threat?

A recent study revealed the presence of significant microplastic levels in human brains. These microplastics, entering the brain via the bloodstream, are potentially linked to various illnesses. The article highlights the environmental and health dangers of our reliance on plastic, pointing to the polluting nature of its production and its persistence in the environment. While the US government has taken steps to regulate harmful chemicals in plastic production, the impact remains limited. The author urges accountability for the petrochemical industry rather than solely blaming consumers.

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Closed-Form Solution for a Zigzag Number Spiral

2025-08-06

This article tackles a mathematical puzzle involving an infinite grid of numbers arranged in a spiral pattern that reverses direction at each grid edge. By analyzing patterns along the spiral's edges and diagonal, the author derives a closed-form expression, (f(m, n) = (max(m, n))^2 - max(m, n) + 1 + (-1)^{max(m, n)} (m - n)), to calculate the number at any position (m, n) in the grid. The article meticulously details the derivation, including analysis of edge and diagonal numbers, and the process of transforming a piecewise function into a single closed-form expression.

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Misc

Say Goodbye to ERB: Crafting Email Templates in Pure Ruby with Phlex

2025-03-03
Say Goodbye to ERB: Crafting Email Templates in Pure Ruby with Phlex

Tired of using ERB for email templates in Rails? This article demonstrates how to use Phlex, a Ruby library, to write HTML email templates in pure Ruby, eliminating the hassle and inefficiency of ERB. The author details the steps to migrate from ERB to Phlex, including creating Phlex views and layouts, and using roadie-rails for inline styles, ultimately achieving the elegant goal of a zero-ERB Rails application. The article also includes complete code examples and test cases to help readers get started quickly.

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Development Email Templates

Link Rot Investigation: Personal Blogs Face High Risk

2024-12-24
Link Rot Investigation: Personal Blogs Face High Risk

Blogger Wouter Groeneveld conducted a link rot investigation on his blog, Brain Baking. He checked 3179 external links across 453 posts, discovering approximately 7% were broken, with 404 and 403 errors being the most prevalent. Broken links stemmed primarily from personal blogs, followed by corporate sites and other resources. The findings highlight the lower stability of links on personal websites and a high link rot rate in academic papers. The blogger recommends website builders use permalinks, linkers carefully choose their targets, and consider local storage for external resources.

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Misc link rot

Google Kills Individual Storage in Free G Suite Accounts

2025-03-18
Google Kills Individual Storage in Free G Suite Accounts

Google is ending individual storage allowances for its legacy free G Suite accounts, switching to pooled storage shared across all users starting May 1st. This affects users who've kept their accounts since Google stopped offering them in 2012. While the total storage remains the same, users needing more will have to pay, though Google promises a discount. Admins can set individual user limits to prevent hoarding. This change, initially announced in 2022 and then reversed, simplifies storage management but adds extra work for admins preferring the old system. It benefits groups wanting to share unused storage.

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Tech Storage

OS/2: Microsoft's Ambitious Next-Gen OS

2025-08-10

A 1987 Computer Language article detailed Microsoft's then-new OS/2, predicting its potential to dominate Intel 80286/80386 microcomputers for the next decade. Its multitasking, comprehensive API, and hardware extensibility were highlighted as key strengths. OS/2's architecture featured three layers: the kernel and system services, the Windows Presentation Manager (WPM), and the OS/2 LAN Manager. The article focused on the kernel and its system services, covering process management, memory management (including virtual memory), device drivers, file management, and inter-process communication (IPC). OS/2 used preemptive scheduling and time slicing, supported protected and real modes, and offered MS-DOS compatibility. Dynamic linking was a crucial element, enhancing code reuse and future-proofing applications. The article concluded by speculating on OS/2's future enhancements and 80386 support.

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Development

Your Data, Your Privacy: AI Writing Assistant Running Locally

2025-07-14
Your Data, Your Privacy: AI Writing Assistant Running Locally

This macOS application uses locally-running large language models (LLMs), ensuring your documents, text, and writing never leave your Mac. It's compatible with most macOS apps including Mail, Messages, Safari, and more. A 7-day free trial (no credit card required) is available, with a 50% discount for students and educators. All processing happens locally, prioritizing your data privacy and security.

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Development

Accidental Discovery: A 20,000-Person Underground City in Turkey

2025-08-19
Accidental Discovery: A 20,000-Person Underground City in Turkey

In 1963, a Turkish man accidentally stumbled upon a massive underground city, Derinkuyu, while renovating his basement. This 18-story complex, reaching 76 meters deep, could house 20,000 people. Its origins are debated, possibly dating back to 2000 BC and potentially built by Hittites, Phrygians, or early Christians. Featuring intricate ventilation and various structures, it served as a refuge during wars, eventually abandoned after the Greco-Turkish War. Now a major Cappadocian tourist attraction, its discovery unveils a hidden chapter of ancient civilization.

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Misc Turkey

WaPo Cartoonist Quits After Bezos-Trump Satire Killed

2025-01-04
WaPo Cartoonist Quits After Bezos-Trump Satire Killed

Pulitzer Prize-winning Washington Post cartoonist Ann Telnaes resigned after her satirical cartoon criticizing Amazon CEO Jeff Bezos and other tech giants for currying favor with President-elect Trump was killed by the paper. The cartoon depicted Bezos, Mark Zuckerberg, Sam Altman, and others bowing to Trump. Telnaes cited Bezos' handling of the Post, including its unprecedented decision not to endorse a presidential candidate in 2024, as undermining the free press. She stated that her role is to hold power accountable, and her inability to do so led to her resignation.

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Humanoid Robot Steals the Show at Shanghai Fashion Week

2025-03-30
Humanoid Robot Steals the Show at Shanghai Fashion Week

Unitree Robotics' humanoid robot, Unitree G1, made a stunning debut at Shanghai Fashion Week, walking the runway alongside human models. The 127cm tall, 35kg robot, boasting 23-43 joint motors, showcased impressive flexibility and seamless interaction. The show wasn't just about the G1; Unitree's quadruped robot also appeared, adding an unexpected twist by standing on two legs and 'walking hand-in-hand' with the G1. This innovative collaboration between technology and fashion redefines artistic expression and hints at a future where intelligent machines play a significant role in creative storytelling.

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Nintendo Wins Major Victory Against Game Piracy in France

2025-03-05
Nintendo Wins Major Victory Against Game Piracy in France

Nintendo has secured a significant legal victory against French file-sharing site 1fichier.com, concluding a years-long battle against game piracy. The French Supreme Court ruled that 1fichier.com must remove pirated Nintendo games or face substantial fines. This win sets a precedent for European file-sharing companies and underscores Nintendo's commitment to protecting its intellectual property and the gaming industry from the damaging effects of piracy.

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Pro-Ukraine Hackers Hit Russia's Biggest State Procurement Platform

2025-01-16
Pro-Ukraine Hackers Hit Russia's Biggest State Procurement Platform

A pro-Ukraine hacking group, Yellow Drift, claimed responsibility for a cyberattack on Roseltorg, Russia's largest electronic trading platform for government and corporate procurement. The group allegedly deleted 550 terabytes of data. While Roseltorg initially attributed the outage to maintenance, they later confirmed the attack, stating data and infrastructure have been restored. The attack impacted major Russian corporations and government agencies, including the Ministry of Defense and Roskomnadzor. This incident highlights the ongoing cyberwar between Russia and Ukraine and the potential disruptive impact of cyberattacks on critical infrastructure.

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Japan's $33 Billion Gamble on Chip Manufacturing

2024-12-18
Japan's $33 Billion Gamble on Chip Manufacturing

Japan is investing $33 billion in building semiconductor factories in remote areas like Hokkaido, aiming to reclaim its dominance in the chip industry. This has created a construction boom and attracted a large workforce, a stark contrast to the region's relatively sluggish job market. The ambitious project is a high-stakes gamble, but reflects Japan's determination to return to the forefront of technological innovation.

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OpenAI's o3-pro: More Powerful, but Much Slower ChatGPT Pro

2025-06-17
OpenAI's o3-pro: More Powerful, but Much Slower ChatGPT Pro

OpenAI has released o3-pro, a more powerful version of ChatGPT Pro, demonstrating improvements across various domains including science, education, and programming. However, this enhanced performance comes at the cost of significantly slower response times. Many users report better answer quality than o3, but the lengthy wait times (15+ minutes) disrupt workflows. Tests show reduced hallucinations in some cases, but not a consistent outperformance of o3 across benchmarks. While o3-pro excels at tackling complex problems, its high cost and slow speed make it a niche offering rather than a daily driver. Many users suggest reserving o3-pro for scenarios where o3 or other models like Opus and Gemini fail, making it a valuable 'escalation' tool for particularly challenging queries.

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AI

38C3 Chaos Communication Congress: A Digital Celebration

2024-12-25

From December 27th to 30th, 2021, the 38th Chaos Communication Congress (38C3) took place in Hamburg, Germany. The event featured a wide range of activities including talks, self-organized sessions, lightning talks, and more. Information was disseminated through the official website, event blog, and digital map. Volunteer registration, an information desk, and accessibility support were also provided to foster an inclusive and welcoming atmosphere.

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Chrome's caching mechanism caused a weird bug: A winding debugging journey

2025-03-03

While debugging a Parquet viewer, the author discovered a crash when accessing S3 storage. After some investigation, the problem was found not to be in the application code, but in Chrome's caching mechanism. When handling range requests, Chrome optimizes caching, but when the server returns a 403 error, Chrome still returns partial data, causing the application to crash. The author reported the issue to the Chromium team, but the team considered it a feature rather than a bug. Eventually, the author chose to fix the issue in OpenDAL. This story reminds us that finding the right trust boundary can significantly speed up debugging.

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The Sincerity Crisis in Tech Media: The AI Hype and the Loss of Journalism

2025-06-16
The Sincerity Crisis in Tech Media: The AI Hype and the Loss of Journalism

This article critiques the tech media's overhyping of AI and lack of critical thinking. The author points out that many media reports lack in-depth investigation, blindly following trends and reporting statements from AI company CEOs as facts, such as exaggerating the likelihood of AI replacing jobs. The author calls for media to return to rationality, conduct more thorough investigations and more critical reporting, avoid being manipulated by AI companies, and emphasizes the importance of sincerity and critical thinking.

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Germany Reaches 62.7% Renewables in 2024 Electricity Mix

2025-01-12
Germany Reaches 62.7% Renewables in 2024 Electricity Mix

Germany generated 62.7% of its electricity from renewable sources in 2024, according to the Fraunhofer Institute for Solar Energy Systems (Fraunhofer ISE). Solar power contributed 14% to the total, reaching a record 72.2 TWh. Despite less favorable weather, rapid solar capacity expansion drove this record. Wind power remained the largest source at 136.4 TWh. Battery storage capacity also saw significant growth, increasing from 8.6 GW to 12.1 GW. Germany's CO2 emissions continued their downward trend, falling to 152 million tons in 2024, a 58% reduction from 1990 levels.

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Printable 2026 One-Page Calendar

2025-08-02

This website offers a printable 2026 calendar designed to fit any paper size automatically. Simply set your printer to landscape mode and disable headers/footers for optimal results. The entire year's dates are displayed on a single page, making it portable and perfect for note-taking and planning. A gentle reminder to be kind is included.

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Misc printable

Theranos Boyfriend Launches Suspiciously Similar Blood-Testing Startup

2025-05-11
Theranos Boyfriend Launches Suspiciously Similar Blood-Testing Startup

Billy Evans, the romantic partner of convicted Theranos fraudster Elizabeth Holmes, has launched a blood-testing startup, Haemanthus, that bears a striking resemblance to Holmes' infamous company. Haemanthus boasts a "radically new approach to health testing," eerily echoing Theranos's claims. Adding to the intrigue, Holmes is reportedly advising the startup from prison. While Haemanthus has secured nearly $20 million in funding, prominent investors have passed, citing concerns about scientific validity and clinical utility. The similarities to the Theranos scandal raise serious questions about Haemanthus's future and highlight the risks inherent in the tech startup world.

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Gracefully Handling JSON Sum Types in Go: Avoiding Panics

2025-03-19

Go doesn't natively support sum types, but this article demonstrates how to emulate them in Go and safely handle JSON encoding and decoding to avoid runtime panics. The author uses a real-world example to illustrate using a "sealed interface" approach and code generation tools (OpenAPI Generator and Protocol Buffers) to gracefully handle JSON sum types. This achieves compile-time type safety and effectively prevents runtime errors. The article also compares alternative implementations and explores the advantages of the V language in handling sum types.

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Development

mt32-pi Project Halted Due to Online Abuse

2025-02-05
mt32-pi Project Halted Due to Online Abuse

The mt32-pi project, a baremetal MIDI synthesizer for the Raspberry Pi, has been discontinued due to sustained online harassment of its developer. The developer cited a campaign of abuse, including personal attacks, code theft, and stolen 3D print designs, as reasons for abandoning the project. Despite community support, the negative experiences significantly impacted the developer's mental health. mt32-pi supported various Raspberry Pi models and offered features such as I²S Hi-Fi DAC support and network MIDI.

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Development MIDI Synthesizer

Approximating Float Multiplication with Bit Manipulation: A Neat Trick

2025-02-13
Approximating Float Multiplication with Bit Manipulation: A Neat Trick

This article explores a clever method for approximating float multiplication using bit manipulation. The approach involves casting floats to integers, adding them, adjusting the exponent, and casting back to a float. While this method fails catastrophically with exponent overflow or underflow, its accuracy is surprisingly good for most cases, staying within 7.5% of the correct result. The author delves into the underlying principles, explaining why simple addition can approximate multiplication. Although likely less efficient than native float multiplication in practice, its simplicity and potential for power savings in specific scenarios make it an interesting exploration.

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Real-Time Chess: A Physical Board That Eliminates Turns

2025-03-29
Real-Time Chess: A Physical Board That Eliminates Turns

Tired of the long waits in turn-based chess? A developer has created a real-time physical chessboard that eliminates turns entirely. Each piece has an individual cooldown, enforced by electronics and electromagnets, preventing cheating. The project's PCB designs and firmware are open-source, but the author notes issues like inadequate power distribution and tight tolerances.

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Hardware

Inko: A New Language for Building Reliable Concurrent Software

2025-03-27
Inko: A New Language for Building Reliable Concurrent Software

Inko is a new programming language designed for building concurrent software with confidence. It simplifies concurrent software development by offering deterministic automatic memory management, move semantics, static typing, type-safe concurrency, and efficient error handling, eliminating unpredictable performance, runtime errors, and race conditions. Inko compiles to LLVM machine code. Examples showcase a simple "Hello, world!" and a concurrent factorial calculation. Visit the Inko website for more information and installation instructions.

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Development

Bambu Connect's X.509 Certificate and Private Key Extracted

2025-01-20
Bambu Connect's X.509 Certificate and Private Key Extracted

Following Bambu Lab's announcement of locking down network access to its X1-series 3D printers with new firmware, the X.509 certificate and private key from the Bambu Connect application have been extracted by hWuxH. This application was intended to be the sole method for third-party software to send print jobs to Bambu Lab hardware. The Bambu Connect app, a relatively simple Electron application, employed obfuscation and encryption, but not enough to deter determined users. The de-obfuscated main.js file reveals the certificate and private key used to encrypt HTTP traffic with the printer, the only obstacle preventing tools like OrcaSlicer from communicating with authentication-enabled Bambu Lab printers. Bambu Lab's next steps are unclear, highlighting the ineffectiveness of security through obfuscation alone.

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