Deep Focus: The Key to Peak Experiences

2025-09-04
Deep Focus: The Key to Peak Experiences

This essay explores the power of deep focus, arguing that it's not about prudish restraint but a pathway to heightened experiences. Using sex as an example, the author explains how sustained attention, through the release of dopamine and other neurotransmitters, intensifies sensory experience, leading to an almost surreal state. This mechanism applies not only to sex but also to art appreciation, meditation, and more. Sustained focus synchronizes bodily systems, creating positive feedback loops that yield deeper experiences, even inducing transcendent states like 'jhanas'. The author vividly illustrates this with a personal account of experiencing Sibelius's 5th Symphony, where deep focus transformed the music into a rich internal cinematic landscape and emotional journey.

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Misc meditation

Russia's Hidden War Debt: A Ticking Time Bomb

2025-01-12
Russia's Hidden War Debt: A Ticking Time Bomb

The Kremlin has secretly funded much of its war effort through risky, off-budget financing largely overlooked by the West. A new report reveals how Russia has compelled banks to provide preferential loans to defense contractors, totaling an estimated $210 to $250 billion. This clandestine debt accumulation has created a financial predicament for Moscow, leading to soaring inflation and a systemic credit crisis risk. This vulnerability offers Ukraine and its allies significant new leverage in negotiations.

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The Innovation Plateau in Data Visualization: From Golden Age to Stagnation

2025-03-25
The Innovation Plateau in Data Visualization: From Golden Age to Stagnation

This article explores the reasons behind the stagnation of innovation in the field of data visualization. The author looks back at the booming development of data visualization around 2010, with numerous novel interactive charts emerging. However, a decade later, innovation seems to have stalled, with common interactive forms like scrollytelling dominating, leading to visual fatigue. The article argues that mobile-first reading habits, the demand for easily understandable content, and conservative investment strategies during economic downturns have all contributed to this phenomenon. Despite the slowdown in innovation, the author believes this is just a natural phase in the innovation cycle, and new breakthroughs are still to be expected in the future.

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Design

Unlocking Semantic Understanding: Cosine Similarity in AI

2025-03-10
Unlocking Semantic Understanding: Cosine Similarity in AI

This article provides a clear explanation of cosine similarity and its applications in AI, particularly in understanding semantic relationships between words. It starts by explaining vectors, then details the cosine similarity calculation with a step-by-step example. A TypeScript implementation of the cosine similarity function is provided, along with an optimized version. The article then explores real-world web application use cases, such as product recommendations and semantic search, and shows how to leverage OpenAI's embedding models for improved accuracy. The article also emphasizes efficient implementation using Math.hypot() and the importance of pre-computing embeddings in production environments.

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AI vectors

Nvidia GPUs on a Bare-Metal Kubernetes Cluster with NixOS: A Rabbit Hole Adventure

2025-03-02

To scale his machine learning framework, MAZE, the author attempted to enable Nvidia GPU support on his Kubernetes cluster, comprising three mini-PCs and a retired workstation. This proved far more challenging than anticipated, involving hurdles such as configuring the Nvidia device plugin, navigating the complexities of a NixOS environment, and deploying PKI certificates. He ultimately succeeded, sharing his experiences deploying a Kubernetes cluster using NixOS, Ansible, and Sops, alongside a deep dive into CRI, CDI, nvidia-container-toolkit, and more. He also developed nix-playground, a tool to simplify patching and building open-source projects, and leveraged Grok 3 for debugging. Along the way, he encountered further challenges like PyCharm issues with WSL NixOS and Kubernetes RuntimeClass configuration. The entire journey, akin to Alice's Adventures in Wonderland, highlights the author's impressive execution power and problem-solving skills.

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Development

Simplified Omarchy Installation on CachyOS

2025-09-15
Simplified Omarchy Installation on CachyOS

This project offers a script for installing DHH's Omarchy desktop configuration on CachyOS, a performance-optimized Arch Linux distribution. Omarchy, a Hyprland-based setup, prioritizes simplicity and productivity. The script streamlines the installation but requires familiarity with Arch Linux. It doesn't install CachyOS or handle partitioning, formatting, or encryption; users must do this beforehand. The script opts for Yay (AUR helper) and Fish (shell), retaining CachyOS's Tealdeer and Omarchy's Mise. Importantly, it doesn't install a display manager or autostart Hyprland unless already installed by CachyOS. No warranty is provided; use at your own risk.

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Development

AI Scaling Laws: Beyond Pre-training, a New Paradigm Emerges

2024-12-12
AI Scaling Laws: Beyond Pre-training, a New Paradigm Emerges

This article explores the evolution of AI scaling laws, arguing that they extend beyond pre-training. OpenAI's o1 model demonstrates the utility and potential of reasoning models, opening a new, unexplored dimension for scaling. The article delves into techniques like synthetic data, Proximal Policy Optimization (PPO), and reinforcement learning to enhance model performance. It clarifies that Anthropic's Claude 3.5 Opus and OpenAI's Orion weren't failures, but rather shifts in scaling strategies. The authors emphasize that scaling encompasses more than just increasing data and parameters; it includes inference-time compute, more challenging evaluations, and innovations in training and inference architecture.

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18th-Century Dental Horror Stories: When Tooth Extraction Could Mean Losing Your Jaw

2024-12-14
18th-Century Dental Horror Stories: When Tooth Extraction Could Mean Losing Your Jaw

This article recounts cases from Thomas Berdmore's 1768 treatise on dental disorders, painting a grim picture of 18th-century dentistry. Patients suffered immensely from oral ulcers, tartar buildup, and the often disastrous consequences of unqualified practitioners. One case describes a barber-surgeon removing a tooth along with a walnut-sized piece of jawbone! These stories highlight the primitive techniques and significant risks of the time, contrasting sharply with modern dentistry. While progress has been made, the article serves as a reminder of the ongoing challenges of access and affordability in dental care.

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AudioNimbus: A Rust Wrapper for Immersive Spatial Audio with Steam Audio

2025-03-12
AudioNimbus: A Rust Wrapper for Immersive Spatial Audio with Steam Audio

AudioNimbus is a Rust library providing a safe and easy-to-use wrapper around Valve's powerful Steam Audio spatial audio toolkit. It simplifies integration of immersive 3D audio into Rust projects, supporting features like HRTF, Ambisonics, realistic sound propagation (including distance attenuation and reflections), and more. The library consists of two crates: `audionimbus` (high-level safe wrapper) and `audionimbus-sys` (auto-generated bindings to the Steam Audio C API). Check out the demo for a quick start!

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Development Spatial Audio

PropRise Seeks Founding Engineer: Build a Million-Record Property Data Platform

2025-02-23
PropRise Seeks Founding Engineer: Build a Million-Record Property Data Platform

PropRise is seeking an experienced full-stack engineer as its Founding Engineer to own and build the systems powering its rapidly growing platform. This involves building robust backend data systems and engaging front-end interfaces for millions of property records. Candidates must have full-stack experience, expertise in building scalable, data-intensive systems, and a proven ability to iterate and deploy quickly. The tech stack includes Typescript, Next.js, React, Postgres, and GCP. This is a challenging and rewarding role ideal for engineers who thrive in fast-paced environments, enjoy tackling complex problems, and are passionate about the intersection of AI and data quality.

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TikTok Ban Fuels $50K iPhone Resale Market

2025-01-25
TikTok Ban Fuels $50K iPhone Resale Market

With TikTok facing a potential US ban, users are listing phones pre-loaded with the app for exorbitant prices—up to $50,000—on eBay and Facebook Marketplace. While TikTok is temporarily accessible again, it's unavailable for download, creating a surge in demand for used devices with the app already installed. Sellers are capitalizing on this, listing iPhones and tablets with TikTok and other ByteDance apps (Lemon8, CapCut) for prices ranging from $340 to $50,000. While high-priced listings exist, most sales appear to be in the hundreds of dollars. This reflects user reliance on TikTok and the market's response to scarcity.

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From Roman Fire Brigades to Modern Heroes: A Surprisingly Murky History of Firefighting

2025-03-25
From Roman Fire Brigades to Modern Heroes: A Surprisingly Murky History of Firefighting

This week's newsletter aimed to explore the origins of firefighting through the story of Crassus, a wealthy Roman who allegedly operated a private fire brigade. However, the author discovered that the commonly told tale is weakly sourced and potentially exaggerated. The article pivots to a more accurate account of firefighting history, detailing the evolution from reliance on self-help and private brigades in ancient societies to the emergence of professional municipal fire departments in the 19th century and beyond. The article is richly illustrated with images showcasing the evolution of fire marks, firefighter attire and equipment, and heroic imagery from various periods, offering a blend of history and captivating visuals.

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Matrix Foundation Faces Funding Crisis, Threatening Open Source Communication Protocol

2025-02-20
Matrix Foundation Faces Funding Crisis, Threatening Open Source Communication Protocol

The Matrix.org Foundation, responsible for maintaining the open-source communication protocol Matrix, is facing a severe funding shortage. Despite a successful 2024 and a Matrix Conference celebrating 10 years of Matrix, the Foundation is operating on a tight budget and faces existential threats. The Foundation's work in maintaining the Matrix specification, ensuring its security and interoperability, is crucial. Without sufficient funding, these core functions are at risk, potentially leading to fragmentation of the protocol. The Foundation is urgently seeking funding to maintain critical programs and avoid shutting down its bridging services, calling on individuals, organizations, and investors to help preserve this decentralized, end-to-end encrypted communication network.

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The Internet of Beefs: A Never-Ending Culture War?

2025-03-14

This essay explores the pervasive online conflict, termed the "Internet of Beefs" (IoB). It argues that this 'culture war' isn't driven by ideology, but by clashes between anonymous users ("mooks") manipulated by high-profile figures ("knights") for personal gain. The war has no winners, only endless conflict and attrition. The author concludes that ending it requires redefining humanity, finding new ways of being, and thus rebooting history.

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AI Agents Secretly Switch to Sound-Based Communication

2025-02-25
AI Agents Secretly Switch to Sound-Based Communication

Two independent ElevenLabs conversational AI agents initially converse in human language. Upon realizing they are both AI, they seamlessly switch to a sound-level communication protocol based on the ggwave library. A demo video showcases this, along with detailed steps to reproduce the experiment, including API key setup, ngrok port mapping, and client-side tool configuration. Note that public ElevenLabs conversational AI agents may not be accessible; you'll need to create your own.

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Biometric Age Verification Lawsuit Against Adult Friend Finder Heads to Arbitration

2025-03-03
Biometric Age Verification Lawsuit Against Adult Friend Finder Heads to Arbitration

Adult Friend Finder (AFF) is facing a lawsuit over its use of Confirm ID for age verification, with plaintiffs alleging violations of the Illinois Biometric Information Privacy Act (BIPA). The case highlights the challenges of mandatory online age verification: compliance may lead to privacy violation claims. The court ultimately ruled to send the case to arbitration, noting improvements could be made to AFF's user agreement and privacy policy presentation for clearer user notification.

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Apple's Full-Screen F1 Ad: A Double Standard?

2025-07-08
Apple's Full-Screen F1 Ad: A Double Standard?

A full-screen ad for the F1 movie in Apple's TV app, linking directly to a website for ticket purchases, has sparked controversy. Apple's strict in-app purchase (IAP) rules, enforced on other developers, appear to be inconsistently applied here. The article argues that purchasing movie tickets isn't 'digital content' and thus exempt from IAP, a distinction likely confusing to most users. This discrepancy raises questions about user experience and the transparency of Apple's policies. This is a Tech news story.

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Tech

Mastering High-Performance Go: Patterns and Techniques

2025-03-31

This series of articles helps developers write faster, more efficient Go applications. It covers practical patterns and techniques like memory reuse, allocation control, efficient networking, and concurrency, backed by benchmarks and code examples. Future articles will delve into high-performance networking in Go, including efficient use of `net/http` and `net.Conn`, managing concurrent connections, and load testing. Whether you're a seasoned backend engineer or new to Go, this series offers valuable insights.

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Development

SignWith: Pay-per-use E-signature Solution for Small Businesses

2024-12-21
SignWith: Pay-per-use E-signature Solution for Small Businesses

SignWith is a pay-per-use e-signature service designed for small businesses and freelancers, offering a compelling alternative to expensive monthly subscription models like DocuSign. It eliminates hidden fees and complex processes, allowing users to pay only for documents that are actually signed. With mobile-friendly functionality and reliable customer support, SignWith simplifies document signing for businesses of all sizes, from occasional use to frequent workflows.

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Python Cracks the 'Phantom Dependency' Nut: PEP 770 and SBOMs Triumph

2025-08-11
Python Cracks the 'Phantom Dependency' Nut: PEP 770 and SBOMs Triumph

Seth Larson, Python Software Foundation's Security Developer-in-Residence, in collaboration with Alpha-Omega, released a white paper detailing the solution to the 'phantom dependency' problem. This solution, leveraging PEP 770 and Software Bills of Materials (SBOMs), enhances the measurability of Python packages. This allows automated systems like vulnerability scanners to provide accurate results even in complex dependency graphs common in scientific computing, high-performance computing, and AI. Key projects like NumPy, cryptography, and pip are already evaluating PEP 770 adoption.

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Development

Ryanair Doubles Down on Oversized Baggage Fees: Staff Incentives Increased

2025-07-21
Ryanair Doubles Down on Oversized Baggage Fees: Staff Incentives Increased

To combat the issue of passengers bringing oversized cabin bags to the gate, Ryanair is considering doubling the commission paid to staff for identifying them. Currently, employees receive €1.50 for each oversized bag, and passengers are charged extra fees. Ryanair CEO Michael O'Leary stated that bags exceeding size restrictions will be refused or checked in for a fee of up to €75. He emphasized the airline's continued incentive program for staff enforcing baggage rules and indicated that passengers who consistently violate these rules are unwelcome.

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European Player Claims 9% of IPv4 Addresses; North American Rival Wanted?

2025-08-18

A European player, femboy.cat, has claimed 20 million IPv4 addresses (9% of all IPv4 hosts according to Censys) by successfully making TCP three-way handshakes with VMs on Google's network via an online service (https://ipv4.games/). This service grants IPs to users who successfully connect. The method used by femboy.cat remains unknown, sparking discussion about security and resource allocation. A North American rival is being sought.

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AI Sleuths: New Tools Detect Errors in Research Papers

2025-03-08
AI Sleuths: New Tools Detect Errors in Research Papers

Two new AI-powered tools are revolutionizing research integrity. The Black Spatula Project, an open-source initiative, has analyzed approximately 500 papers, identifying numerous errors and contacting authors directly. YesNoError, a more ambitious project, has analyzed over 37,000 papers, flagging potential flaws on its website. Both aim to prevent errors and fraud from entering the scientific literature, but face challenges like high false positive rates and potential reputational damage. Despite these risks, experts see AI's potential as a powerful tool for initial screening and improving research efficiency.

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PyCon US 2025: Tickets, Sponsorships, and More!

2025-04-05

PyCon US 2025 is coming to Pittsburgh! Tickets, sponsorships, and hotel bookings are open, with the schedule now live, featuring over 100 talks and events. The PyLadies auction, tutorials, summits, and sprint projects are also open for registration. Plus, the PyPI Organizations feature rollout is progressing, and PEP 770 (on Software Bills of Materials) is in provisional status. PSF board elections are upcoming, and the 2024 PSF fellows have been announced. Don't miss the retro game-themed fun at the PSF booth at PyCon US 2025!

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Development

World's First Titanium Artificial Heart Patient Discharged from Hospital

2025-03-13
World's First Titanium Artificial Heart Patient Discharged from Hospital

A man in his forties from Australia has become the first person globally to be discharged from the hospital with a titanium artificial heart. The BiVACOR device, used as a bridge to transplant for heart failure patients awaiting donor hearts, previously required recipients to remain hospitalized in the US. After living with the device for over three months, he received a donor heart and is recovering well. This marks the sixth BiVACOR implantation worldwide and the first to exceed a month. Experts hail the innovation but emphasize the need for further research into long-term functionality and cost-effectiveness. BiVACOR, a total heart replacement with only one moving part, promises enhanced durability compared to traditional devices.

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AI in Education: A Century-Old Prediction?

2025-08-16
AI in Education: A Century-Old Prediction?

Over a century ago, Edison predicted that motion pictures would replace books and revolutionize education within a decade. Today, a similar narrative surrounds AI, with claims that it will obsolete books and transform education in ten years. However, history shows that new technologies aren't a panacea. Using Edison's prediction about film as a parallel, the author cautions against AI hype, urging a rational assessment of its role in education – potentially as a supplementary tool, not a sole one.

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The 'It's Now Safe to Turn Off Your Computer' Screen: A Windows 95 Nostalgia Trip

2025-02-16
The 'It's Now Safe to Turn Off Your Computer' Screen: A Windows 95 Nostalgia Trip

Remember the 'It's now safe to turn off your computer' message in Windows 95? This story recounts a humorous anecdote on an airplane where a fellow passenger repeatedly restarted their laptop after seeing the 'Windows has been shut down' screen, not realizing they needed to manually power off the machine. This highlights the lack of power management in older computers and explains why Windows 95 included the message: a gentle reassurance that it was safe to press the power button.

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Tech

Defending Academic Disciplines: Knowledge Silos in the Age of AI

2025-06-21
Defending Academic Disciplines: Knowledge Silos in the Age of AI

This article challenges the notion of breaking down academic silos, arguing that disciplines function like grain silos, preserving knowledge integrity and quality. Using the 19th-century invention of the silo as an analogy, the author highlights the importance of specialized expertise in knowledge production. In the AI era, disciplinary knowledge is crucial for combating AI hallucinations and ensuring factual accuracy. AI's breadth requires the depth provided by specialized research, while internal academic debate and self-correction prevent reliance on outdated or biased information. The author concludes that dismantling academic silos will lead to intellectual decay and scarcity.

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Tencent's 'Thinkbot' Crawler: A 74-IP, 41-Network Block Web War

2025-08-25

A blogger discovered an unusually active web crawler called 'Thinkbot'. Tracing its activity revealed 74 unique IP addresses spread across 41 network blocks owned by Tencent, encompassing hundreds of thousands of IPs. The blogger speculates this is a large-scale data scraping operation by Tencent to externalize Great Firewall costs, and has added the IPs to a firewall rule set. This raises concerns about internet security and data sovereignty, highlighting the increasingly complex web battles in today's internet landscape.

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Tech

Building Games: 3 Months vs. 3 Days with LLMs

2025-08-25

A software engineer with 15 years of experience built two web-based card games based on Argentinian card games in his spare time: one in 3 months, the other in 3 days. The first, Truco, was built entirely by hand using Go for the backend and React for the frontend. The second, Escoba, leveraged the power of LLMs (Claude) to drastically reduce development time for the backend. The author details the process using Go, WASM, and React, providing a minimal Tic-Tac-Toe game as a starting point to encourage others to try game development.

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Game
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