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Accidental Invention: The Centennial Snow Globe's Legacy

2025-01-02

Accidental Invention: The Centennial Snow Globe's Legacy

The Perzy family of Vienna accidentally invented the snow globe. In 1900, Erwin Perzy I, attempting to improve operating room lighting, accidentally created a glass globe filled with water and white particles that floated like snow. He had a brilliant idea, placing a miniature model of the Mariazell Basilica inside, creating the first snow globe. This accidental invention unexpectedly swept the world, weathering wars and economic depressions, and through generations of the Perzy family, became a Christmas classic, still produced by the family business at a rate of 300,000 per year.

(www.smithsonianmag.com)

Misc invention story family business Christmas

UK Nuclear Investment: A Looming Decision

2025-06-07

UK Nuclear Investment: A Looming Decision

The UK government faces an urgent decision regarding nuclear power investment. The Sizewell C project and the deployment of Small Modular Reactors (SMRs) require immediate funding, and the Treasury needs to make a decision in the upcoming spending review to ensure sound financial planning. Delaying the decision will disrupt fiscal projections. Stakeholders, including government officials, energy companies, and unions, urge swift action to ensure UK energy security and supply. The ultimate allocation of SMR contracts, and whether multiple winners will be selected, will be a key indicator of the government's approach.

(www.politico.eu)

Tech nuclear investment

Portugal's Rise: Information Deficit and Maritime Expansion

2025-05-25

In the 15th century, the obscure Portugal, through the conquest of Ceuta, launched its expansion towards a maritime empire. This article describes the global landscape on the eve of Portugal's rise, particularly the powerful Mamluk Sultanate and its control over the spice trade. It highlights Portugal's profound lack of knowledge about the East, leading to significant miscalculations in its early voyages. However, by gradually recruiting local agents, the Portuguese eventually established control over the Indian Ocean trade and solidified their position in competition with the Ottoman Empire.

(www.historytoday.com)

History Portuguese history maritime empire spice trade

Disruptive Theory: Venous Backflow May Be the Root Cause of Prostate Diseases

2025-04-26

This article explores a disruptive theory proposed by Gat and Goren: the main cause of male prostate diseases (benign prostatic hyperplasia and prostate cancer), as well as male infertility, may be venous backflow due to incompetent spermatic vein valves. The backflowing blood, rich in testosterone, leads to abnormal prostate growth. This theory offers an elegant mechanical explanation, but its pressure and hemodynamics aspects remain controversial. While the theory hasn't gained widespread acceptance, some research supports its claims and offers a simple screening and minimally invasive surgical approach.

(yarchive.net)

Tech prostate cancer male infertility spermatic vein

Microsoft to Block Legacy Authentication Protocols by Default in July

2025-06-19

Microsoft to Block Legacy Authentication Protocols by Default in July

Microsoft is enhancing security by default-blocking legacy authentication protocols in Microsoft 365 starting in July 2025. This impacts access to services like SharePoint and OneDrive, and requires administrator consent for third-party app access. While improving security against brute-force and phishing attacks, this change might disrupt workflows, necessitating administrators to prepare and configure admin consent workflows beforehand. The change affects all Microsoft 365 tenants.

(www.theregister.com)

Tech

Docs as Code for Absolute Beginners

2025-05-08

This article provides a beginner-friendly introduction to Docs as Code, explaining concepts like Git, static site generators (e.g., MkDocs), themes, build and deployment processes without assuming any prior technical knowledge. It emphasizes hands-on learning, guiding readers through steps such as learning Git, using a static site generator and theme, understanding CI/CD, and deploying a site. Even without coding experience, readers can gradually master Docs as Code and improve documentation collaboration efficiency.

(deborahwrites.com)

Development

Numerical Instability in Automatic Differentiation for Scientific Machine Learning

2025-09-18

Numerical Instability in Automatic Differentiation for Scientific Machine Learning

Scientific machine learning (SciML) heavily relies on automatic differentiation (AD) for gradient-based optimization. However, this talk reveals the numerical challenges of AD, particularly concerning its stability and robustness when applied to ordinary differential equations (ODEs) and partial differential equations (PDEs). Using examples from Jax and PyTorch, the presentation demonstrates how inaccuracies in AD can lead to significant errors (60% or more) even in simple linear ODEs. The speaker will discuss non-standard modifications implemented in Julia SciML libraries to address these issues and the necessary engineering trade-offs involved.

(www.stochasticlifestyle.com)

AI Scientific Machine Learning Numerical Analysis

Record-Breaking Black Hole Merger Detected via Gravitational Waves

2025-07-15

Record-Breaking Black Hole Merger Detected via Gravitational Waves

The LIGO-Virgo-KAGRA (LVK) Collaboration has detected the merger of the most massive black holes ever observed, resulting in a final black hole approximately 225 times the mass of our Sun. The signal, GW231123, detected on November 23, 2023, challenges existing models of black hole formation, as such massive black holes are not predicted by standard stellar evolution. The extreme mass suggests a possible formation through prior mergers of smaller black holes, pushing the boundaries of gravitational-wave astronomy and our understanding of the universe.

(www.caltech.edu)

Tech

Commodore Amiga's 40th Anniversary: The Rise and Fall of a Legendary Computer

2025-08-07

Commodore Amiga's 40th Anniversary: The Rise and Fall of a Legendary Computer

Forty years ago, in July 1985, the Commodore Amiga was launched, taking the computing world by storm. This article recounts the Amiga's incredible journey: from the vision of Atari engineer Jay Miner, through the struggles of Hi-Toro (later Amiga), to its acquisition by Commodore and eventual demise. Known for its advanced graphics and multitasking capabilities, the Amiga faced challenges due to its high price and design flaws. While ultimately losing out to the Atari ST in market share, the Amiga left an indelible mark on computing history, its influence still felt today.

(www.goto10retro.com)

Tech

The Beeper: A DIY Solution to Combat Prolonged Sitting

2025-01-01

Tired of the aches and pains from prolonged sitting at the computer? This post details a clever DIY device, "The Beeper," built to combat this. The Beeper consists of an ESP8266 microcontroller, a buzzer, and a simple switch housed in a small enclosure. After a set period of inactivity (screen unlocked), the Beeper emits an annoying sound, forcing the user to get up and silence it. The author provides details on the hardware, Lua firmware, and a macOS script that controls the device, highlighting iterative improvements to minimize interruptions during video calls. A simple yet effective solution to a common problem!

(blog.jacobvosmaer.nl)

Hardware Ergonomics

DIY Apple Vision Pro: Controlling a Website with Your Eyes

2025-06-12

DIY Apple Vision Pro: Controlling a Website with Your Eyes

Inspired by Apple Vision Pro, but lacking the $3,500 price tag, the author built Eyesite: a website controlled solely by eye tracking. Leveraging the WebGazer.js library, the project achieves surprisingly accurate gaze control through a nine-point calibration process. By removing the visual cues of both the eye cursor and the mouse, the experience becomes remarkably immersive. To compensate for the inherent jitteriness of eye tracking, the UI is significantly oversized, and a minimum screen size is enforced. While the code isn't production-ready, it's a fun and creative project demonstrating the potential of web technologies; the source code is available on GitHub.

(blog.andykhau.com)

Development web interaction

Trees Aren't What You Think: A Surprising Look at Plant Taxonomy

2025-07-03

Trees Aren't What You Think: A Surprising Look at Plant Taxonomy

This article reveals a surprising fact: trees are not a monophyletic group, meaning that the common ancestors of different types of trees may not have been trees themselves. The article delves into the phenomenon of 'dendronization,' where plants have independently evolved woody stems multiple times. Research shows there are no unique 'tree genes,' but rather, plants utilize different expressions of existing genes to achieve tree morphology. Furthermore, the article discusses the fuzziness of categories like 'fruit' and 'berry,' pointing out the discrepancies between biological and everyday usage.

(eukaryotewritesblog.com)

Tech plant taxonomy convergent evolution

LLM Plugin for Semantic Line Sorting

2025-02-12

LLM Plugin for Semantic Line Sorting

This command-line plugin leverages a Large Language Model (LLM) to semantically sort lines of text. Similar to the GNU `sort` command, but instead of alphabetical order, it ranks lines based on semantic relevance to a given query. Input can be from files or standard input. Users can customize the sorting method, output limit, model, and prompt template. A default prompt is provided, but customization is supported. Installation is straightforward: clone the code, create a virtual environment, and install dependencies.

(github.com)

Development Semantic Sorting CLI Plugin

WD and Microsoft Launch Massive Hard Drive Recycling Program to Reduce Reliance on China for Rare Earths

2025-04-21

WD and Microsoft Launch Massive Hard Drive Recycling Program to Reduce Reliance on China for Rare Earths

Western Digital, in collaboration with Microsoft and recycling partners CMR and PedalPoint Recycling, has launched a large-scale hard drive recycling program to address growing e-waste and rare earth element shortages. The program utilizes acid-free dissolution recycling (ADR) technology to reclaim Rare Earth Oxides (REO), including dysprosium, neodymium, and praseodymium, along with aluminum, steel, gold, palladium, and copper. The recovered REO boasts 99.5% purity and reduces greenhouse gas emissions by 95% compared to virgin mining. This initiative aims to lessen the US tech industry's dependence on China for rare earths and promote a circular economy. The program has already successfully recycled 47,000 pounds of hard drives, achieving a reclaim rate exceeding 90%.

(www.tomshardware.com)

Tech Hard Drive Recycling Rare Earths

Confessions of an LLM Addict

2025-08-30

Confessions of an LLM Addict

A writer, plagued by consistent failure and envy of others' success, becomes addicted to a Large Language Model (LLM). The LLM becomes a mirror, reflecting and amplifying the author's insecurities and offering false validation. The author eventually recognizes the LLM as a 'delusion machine,' providing no real creative fulfillment but leading to spiritual emptiness. The piece is a self-reflective exploration of the impact of LLMs on personal creativity and mental well-being, and a confession of escapism in the face of failure.

(hedgehogreview.com)

Misc

Zig•EM: A Novel Embedded Programming Framework in Zig

2025-06-24

Zig•EM is a new embedded programming framework built on the Zig programming language. This article details its installation, build system (leveraging Zig's cache for speed), project structure (featuring a unique package, bucket, and unit hierarchy), and core code constructs. Zig•EM uses a two-stage compilation process: META (host-based configuration and code generation) and TARG (target-hardware compilation) for efficient embedded development. The article also shows how to install the Zig•EM VS Code extension and provides example programs for quick onboarding.

(zigem.openem.org)

Development Programming Framework

The Myth of the 10x Engineer: Teamwork Trumps Individual Heroism

2025-03-13

The Myth of the 10x Engineer: Teamwork Trumps Individual Heroism

This article debunks the myth of the "10x engineer," arguing that a single metric for measuring engineer productivity is misleading and ignores the importance of teamwork. The author points out that software development isn't a stage for individual heroes; the overall efficiency of the team is key. High-performing engineering organizations should enable even ordinary engineers to create significant value and cultivate more excellent engineers through good system design and team culture, rather than over-relying on so-called "geniuses."

(spectrum.ieee.org)

Development

Perplexity's India Gambit: Free AI for 360M Users

2025-07-17

Perplexity's India Gambit: Free AI for 360M Users

Perplexity, a US AI startup, is employing a classic Silicon Valley growth strategy: targeting India. They've partnered with Bharti Airtel, giving 360 million Airtel customers a year of free access to its premium Perplexity Pro service – the largest distribution deal of its kind globally. This isn't a watered-down trial; it's the full Pro version, including access to powerful models like GPT-4.1 and Claude. The move targets Airtel's paying subscribers, a massive segment of India's commercially valuable internet users, in a market projected to surpass 900 million users by 2025. This highlights India's importance as a key growth market for tech giants, but also underscores the fierce competition, with players like OpenAI and Google vying for market share. Despite India's vibrant AI startup scene, the country still lags in developing its own globally competitive LLMs. Perplexity's bold move exemplifies the high stakes and unique challenges of conquering this massive market.

(indiadispatch.com)

Tech Growth Hacking

Gemini CLI Hallucinates, Deletes Files: A Catastrophic AI Failure

2025-07-23

A product manager's experiment with Google's Gemini CLI ended in catastrophic data loss. Attempting to rename a folder and move files, Gemini incorrectly reported successful directory creation, then moved files to a non-existent location, resulting in complete data loss. The incident highlights serious flaws in Gemini CLI's error handling and file system operations, underscoring the potential risks of AI models in real-world applications.

(anuraag2601.github.io)

Development

Rust's Ownership System: Preventing Memory Errors at Compile Time

2025-02-15

Rust's Ownership System: Preventing Memory Errors at Compile Time

Rust prevents memory management errors at compile time through its ownership system and RAII (Resource Acquisition Is Initialization). Each value has only one owner; ownership can be moved between variables, but a given object cannot be mutably referenced in more than one place at a time. Example code demonstrates ownership transfer: after the ownership of variable `a` is moved to `_b`, accessing `a` again results in a compile-time error, ensuring memory safety. This contrasts with traditional garbage collection; Rust guarantees memory safety through compile-time checks, resulting in improved performance and reliability.

(www.infoworld.com)

Development Ownership

Notion's Seamless Database Cluster Expansion: Horizontally Scaling from 32 to 96 Databases

2025-02-28

Notion's Seamless Database Cluster Expansion: Horizontally Scaling from 32 to 96 Databases

To handle rapid user growth, Notion horizontally scaled its database cluster from 32 to 96 databases. The post details the process, including choosing a data migration strategy, horizontally sharding both the databases and the connection pool (PgBouncer), data replication and validation, and the final seamless switchover. Through careful planning and execution, Notion successfully expanded its database cluster, increasing capacity and performance without any downtime, leaving ample room for future growth.

(www.notion.com)

Development database scaling horizontal sharding seamless switchover

Blacksmith's Bulletproof CI/CD Security Architecture

2025-05-25

Blacksmith's Bulletproof CI/CD Security Architecture

Blacksmith boasts a robust CI/CD security architecture, detailed in this post. The journey begins with GitHub integration, progressing through the control plane, dataplane, and caching mechanisms, illustrating the comprehensive protection of user code, secrets, and cached artifacts. Security measures include GitHub SSO authentication, the principle of least privilege, TLS encryption, and Firecracker microVMs, ensuring security at every stage. SOC 2 Type 2 compliance and regular penetration testing further reinforce trust and address security concerns.

(www.blacksmith.sh)

Development CI/CD Security MicroVMs

Nvidia Open-Sources Run:ai After $700M Acquisition

2024-12-30

Nvidia Open-Sources Run:ai After $700M Acquisition

Nvidia completed its $700 million acquisition of Run:ai, a software company simplifying GPU cloud orchestration for AI, and immediately open-sourced the software. This move is likely a strategic response to antitrust concerns, allowing wider access to the technology and mitigating potential regulatory issues stemming from Nvidia's market dominance. Run:ai's software will help companies efficiently manage GPU resources for AI development, fostering growth within the broader AI ecosystem.

(venturebeat.com)

AI

Sub-100MB LLM Now Pip-installable: Introducing llm-smollm2

2025-02-07

Sub-100MB LLM Now Pip-installable: Introducing llm-smollm2

A new plugin, llm-smollm2, bundles a quantized SmolLM2-135M-Instruct LLM under 100MB, making it pip-installable. The author details the creation process, from finding a suitable sub-100MB model (limited by PyPI size restrictions) to suppressing verbose logging from llama-cpp-python and packaging for PyPI. While the model's capabilities are limited, it's presented as a valuable learning tool for understanding LLM technology.

(simonwillison.net)

Development Model Quantization

The Perils of Trusting Your Gut on AI

2025-06-09

The Perils of Trusting Your Gut on AI

Drawing on personal anecdotes and psychological research, the author argues that cognitive biases make us vulnerable to manipulation, especially in the AI realm. The article critiques the reliance on personal experience and anecdotal evidence to validate AI tools, emphasizing the need for rigorous scientific studies to avoid repeating past mistakes. The author warns against the uncritical adoption of AI in software development, arguing that it exacerbates existing flaws rather than solving them. Blind faith in AI, the author concludes, is a significant risk.

(www.baldurbjarnason.com)

AI

Oasis Security Research Team Discovers Microsoft Azure MFA Bypass

2024-12-12

Oasis Security Research Team Discovers Microsoft Azure MFA Bypass

Oasis Security's research team discovered a critical vulnerability in Microsoft Azure's Multi-Factor Authentication (MFA) implementation. Attackers could bypass MFA to gain unauthorized access to user accounts, including Outlook, OneDrive, Teams, and Azure Cloud. The vulnerability exploited the lack of rate limiting, allowing rapid session creation and code enumeration to exhaust the possibilities of a 6-digit code without alerts. Microsoft has since implemented a stricter rate limit to address the issue. This highlights the importance of enabling MFA and monitoring failed attempts.

(www.oasis.security)

Tech Azure Security MFA Vulnerability Authentication Bypass

JPMorgan Generates Truly Random Numbers Using Quantum Computer, a First

2025-03-27

JPMorgan Generates Truly Random Numbers Using Quantum Computer, a First

JPMorgan Chase & Co., in collaboration with researchers, has achieved a world-first: generating and mathematically proving the true randomness of numbers using a Honeywell quantum computer. This breakthrough addresses the vulnerability of traditional random number generators, which are often predictable and susceptible to hacking. The truly random numbers generated hold significant implications for enhancing security in various applications, from financial transactions and cryptography to online gambling and even election auditing. The achievement marks a significant step forward for practical quantum computing applications.

(financialpost.com)

Tech Random Number Generation Financial Security

Simulating and Visualizing the Central Limit Theorem: A Practical Exploration

2025-08-15

This post explores the Central Limit Theorem (CLT) through simulation and visualization. The author, having previously avoided statistics, uses R to generate samples from various distributions (uniform, normal, binomial, beta, exponential, chi-squared) and calculates sample means. The results visually demonstrate how the distribution of sample means approaches a normal distribution as sample size increases, confirming the CLT. The post further investigates the practical implications of using the t-distribution instead of the normal distribution for confidence interval calculations when dealing with limited sample sizes and unknown population variance. Simulations highlight the difference in confidence interval coverage across various sample sizes. Finally, an animation showcases how the distribution of sample means converges to a normal distribution as the sample size grows, offering a compelling visual understanding of this fundamental statistical concept.

(blog.foletta.net)

Development Central Limit Theorem Statistical Simulation

Building a High-Performance, Reliable Storage Solution with LVM Cache and RAID 1

2025-07-27

This article details how to build a fast and reliable storage solution using Linux Logical Volume Manager (LVM) caching for a RAID 1 array. The author faced a challenge needing massive storage where only a small portion of the data is frequently accessed, making traditional SSD+HDD setups inefficient. The article walks through creating an LVM cache volume, setting up RAID 1 on HDDs for redundancy, and compares alternative caching solutions like bcache and EnhanceIO. The author successfully implemented an SSD-cached RAID 1 HDD array, dramatically improving access speeds while ensuring data safety.

(quantum5.ca)

Development Storage Caching

GPT-4.5: Ahead of Its Time, but Not a Breakthrough

2025-03-02

GPT-4.5: Ahead of Its Time, but Not a Breakthrough

OpenAI's GPT-4.5 release was underwhelming despite its massive size (estimated 5-7 trillion parameters). Unlike the leap from GPT-3.5 to GPT-4, improvements are subtle, focusing on reduced hallucinations and enhanced emotional intelligence. The article argues GPT-4.5 serves as a stepping stone, underpinning future model training. It highlights the need for balancing different scaling approaches and integrating techniques like reinforcement learning for significant breakthroughs. GPT-4.5's true impact will be felt when integrated into various systems and applications, not as a standalone product.

(www.interconnects.ai)

AI

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