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Heart Surgeon Makes Surprise F1 Appearance: A Cross-Industry Friendship

2025-05-11

Heart Surgeon Makes Surprise F1 Appearance: A Cross-Industry Friendship

Professor Martin Elliott, a veteran pediatric cardiothoracic surgeon from Great Ormond Street Hospital, was a VIP guest of Ferrari at the Dutch Grand Prix. This unexpected connection stems from a serendipitous meeting over two decades ago, sparked by research in the field of "human factors." The work of a Belgian surgeon, Elliott's predecessor, unexpectedly forged a lasting relationship between Elliott and Ferrari, highlighting the surprising collaborations possible between experts in different fields.

(www.thetimes.com)

Misc cross-industry collaboration medicine

Monitoring My Minecraft Server with OpenTelemetry and Dash0

2025-05-11

Monitoring My Minecraft Server with OpenTelemetry and Dash0

To enable multiplayer Minecraft mischief with the kids, I set up a Java Minecraft server on a Linux VM and implemented comprehensive monitoring using OpenTelemetry, a Prometheus exporter, and Dash0. The OpenTelemetry Java Agent monitors JVM health, a Minecraft Prometheus exporter collects game-specific metrics (player count, blocks mined, etc.), and the OpenTelemetry Collector aggregates and sends all data to Dash0. Dash0's PromQL queries and log monitoring allow me to track server status, such as downtime and JVM restarts, with Slack alerts. The process was a fun refresher on Java and Linux sysadmin skills. While the dashboard is simple, a stable server is the priority.

(www.dash0.com)

Game

Spaceport America: Beyond Virgin Galactic

2025-05-11

Spaceport America: Beyond Virgin Galactic

Spaceport America in New Mexico is striving to transcend its association with Virgin Galactic, showcasing its potential as a versatile commercial space launch complex. Beyond its existing tenants like Virgin Galactic, it's actively expanding, including building new hangars, developing vertical and horizontal launch capabilities, and exploring new ventures such as data centers and electromagnetic pulse facilities. The spaceport aims to become a comprehensive launch and re-entry center, attracting clients like the Department of Defense. Its inland location offers advantages in security and rapid turnaround times.

(www.space.com)

Tech New Mexico

The Rise and Fall of Bell Labs: A Lesson in Innovation

2025-05-11

The Rise and Fall of Bell Labs: A Lesson in Innovation

This article explores the success and demise of Bell Labs. Its brilliance stemmed from a unique management style: granting brilliant scientists radical freedom and autonomy, fostering collaboration and innovation, and having visionary leaders select appropriate projects and talent. However, the information age and modern corporations' focus on short-term gains made this model difficult to replicate. The article argues that reviving the Bell Labs spirit requires giving scientists more freedom and time to achieve breakthroughs in technological innovation.

(1517.substack.com)

Tech management model

Solving the Eikonal Equation with Fast Sweeping in JAX

2025-05-11

This blog post explores solving the Eikonal equation, crucial in interface evolution and image processing, using the fast sweeping method implemented in JAX. It begins by explaining level set methods and the Eikonal equation itself. The core of the post details the fast sweeping algorithm, covering grid setup, iterative updates, and the Godunov upwind scheme. NumPy and JAX code implementations are provided, with benchmarks demonstrating JAX's significant speed advantage. The author also discusses attempts at parallelizing the algorithm and the challenges encountered.

(rohangautam.github.io)

Development fast sweeping method Eikonal equation

Whoop 5.0 Upgrade U-Turn: Free or Fee?

2025-05-11

Whoop 5.0 Upgrade U-Turn: Free or Fee?

Fitness tracker maker Whoop faced a backlash over its Whoop 5.0 upgrade policy. Initially, Whoop announced users would need to pay extra or extend subscriptions to upgrade, contradicting its previous promise of free upgrades. This sparked outrage. Facing criticism, Whoop quickly revised its policy, offering free upgrades to users with over 12 months remaining on their subscription and allowing shorter-term subscribers to extend for a free upgrade. While Whoop claimed this was a response to user feedback, some users questioned the veracity of its prior free upgrade claims. The incident highlights the importance of product upgrade strategies and user communication.

(techcrunch.com)

Tech Upgrade Policy

Buy Now, Pay Later Securitization: The Rise of 'Burrito Bonds'

2025-05-11

Buy Now, Pay Later Securitization: The Rise of 'Burrito Bonds'

This article explores the securitization of Buy Now, Pay Later (BNPL) loans, a novel approach where small loans are bundled and sold to investors, often humorously referred to as 'burrito bonds'. The author argues this innovation improves credit market efficiency by unbundling risk, allowing granular pricing, and enabling more efficient capital allocation. Despite skepticism, the author posits it's a win-win, leading to lower borrowing costs and a more complete market. This process, the article contends, makes credit cheaper and capital allocation more effective, potentially even boosting economic resilience.

(enterprisevalue.substack.com)

Tech Securitization

US Coastal Sea Level Report: Acceleration Trends Significant

2025-05-11

US Coastal Sea Level Report: Acceleration Trends Significant

William & Mary's Batten School and VIMS released their 2024 U.S. sea level "report cards," providing updated analyses of sea level trends and projections for 36 coastal communities. The report cards, encompassing 55 years of historical data, aid planning and adaptation by analyzing rates of sea level rise and acceleration at each locality and forecasting 2050 water levels. This year's report cards are consolidated in an interactive dashboard and add data from several new tide gauge stations. While most locations show continued acceleration of sea level rise, the West Coast remains relatively stable, and the Southeast is experiencing significant acceleration, potentially linked to Greenland ice sheet melt.

(news.wm.edu)

Tech coastal regions

Scraperr: Precise Web Data Extraction with XPath

2025-05-11

Scraperr: Precise Web Data Extraction with XPath

Scraperr is a self-hosted web scraping application that uses XPath selectors for precise data extraction. It offers a clean interface to manage scraping jobs, view results, and export data in various formats. Features include queue management, domain spidering, custom headers, media downloads, results visualization, and notification channels. Remember to respect robots.txt, terms of service, and implement rate limiting. Use only on websites that explicitly permit scraping.

(github.com)

Development

Sandboxing Libraries: A Thorny Path to Security

2025-05-11

Sandboxing Libraries: A Thorny Path to Security

This article delves into the significant challenges of building sandboxed libraries. The author explores threat modeling, memory tampering, cross-language interoperability, and code reuse. Even languages like Java struggle with complete sandboxing due to features like reflection, global methods, and native methods. Joe-E, a capability-based programming language, while severely restricting Java's functionality, offers valuable insights. However, this approach introduces the "God Object" problem, requiring a single object to control all permissions, contradicting good OOP principles. Chrome's Mojo system presents a process-based sandboxing solution, but faces challenges like unstable APIs, code reuse difficulties, and performance overhead. Ultimately, creating secure sandboxed libraries remains a complex and unsolved problem.

(blog.plan99.net)

Development sandboxing

LSP Client in Clojure: 200 Lines of Code, Minimalist Language Server Interaction

2025-05-11

This blog post details how the author implemented a minimal LSP client in under 200 lines of Clojure code and used it to build a command-line code linter. It walks through the implementation of the base communication layer, JSON-RPC layer, and client API for the LSP protocol. The author then discusses the challenges of using LSP in practice, particularly the reliance of most language servers on notifications instead of requests for diagnostics, making a simple command-line tool more complex than expected. Finally, the author summarizes the pros and cons of LSP and speculates on the future of WASM-based language servers.

(vlaaad.github.io)

Development

Rust Devs Think We're Hopeless: Let's Prove Them Wrong (with C++ Memory Leaks!)

2025-05-11

Rust Devs Think We're Hopeless: Let's Prove Them Wrong (with C++ Memory Leaks!)

This video tutorial playfully challenges the perception of C++ developers as perpetually battling memory leaks. It demonstrates, through a simple C++ program, how to intentionally create and then effectively track down these leaks using debugging tools like `_CrtDumpMemoryLeaks`. The author presents memory leak hunting as a fun, almost reckless adventure, ultimately providing a practical guide for identifying and fixing memory issues in C++.

(www.babaei.net)

Development

Legacy Automakers Struggle to Build Software-Defined Vehicles

2025-05-11

Legacy Automakers Struggle to Build Software-Defined Vehicles

Ford's abandonment of its FNV4 next-generation electrical architecture project, merging it with its existing architecture, highlights the struggles legacy automakers face in transitioning to software-defined vehicles (SDVs). Tesla pioneered the SDV approach, using OTA updates and centralized computing to reduce costs and enhance user experience, but also revealed software quality control issues. GM, Volvo, and others have encountered delays and software bugs in their SDV projects, while Volkswagen outsourced key software tasks. The transition challenges legacy automakers in organizational structure, development philosophy, and technological accumulation, requiring a balance between safety and agile development, while catering to both combustion and electric vehicles. Ultimately, the winners will be those that successfully transform into software companies, a path fraught with challenges.

(insideevs.com)

Tech Software-Defined Vehicles Automotive Software

Trump Admin. Kills $18M Food Waste Project, Sparking Outrage

2025-05-11

Trump Admin. Kills $18M Food Waste Project, Sparking Outrage

An ambitious community-based project in Rhode Island, designed to reduce food waste and greenhouse gas emissions through community composting and job creation, has been abruptly terminated by the Trump administration. The $18 million grant, funded by the Inflation Reduction Act, was canceled because the project was deemed 'no longer consistent' with the EPA's priorities. Environmental advocates are furious, calling the move illegal and highlighting its disproportionate impact on vulnerable communities. The project aimed to divert over 11,000 tons of food waste annually, preventing over 15,000 metric tons of emissions.

(grist.org)

Tech food waste environmental justice government funding grant termination

Klarna's AI Customer Service Pivot: Humans Are Back

2025-05-11

Klarna's AI Customer Service Pivot: Humans Are Back

After boasting last year that its AI chatbot could replace 700 human representatives, buy now, pay later giant Klarna is reversing course. While the AI handled routine inquiries efficiently, the company found that human empathy and expertise were crucial for complex or emotionally charged situations. Klarna is now prioritizing human-powered customer service, viewing AI as a supplementary tool rather than a replacement. They're recruiting extensively for a flexible, remote-work customer service model, aiming to improve customer experience and address the limitations of AI in handling nuanced interactions. This shift highlights the ongoing need for human connection in customer service, even in a rapidly automating world.

(www.customerexperiencedive.com)

Startup Human Interaction

C++ Memory Leaks: Show Rust Devs Who's Boss!

2025-05-11

C++ Memory Leaks: Show Rust Devs Who's Boss!

This video tutorial demonstrates how to intentionally create and hunt down memory leaks in C++. While Rust developers often poke fun at C++'s memory management, this tutorial shows how to use _CrtDumpMemoryLeaks and the DEBUG_NEW macro to detect and pinpoint memory leaks, proving that C++ developers can effectively handle memory issues without needing a borrow checker or lifetimes. Starting with a simple example, the tutorial progressively teaches how to use debugging tools to track down memory leaks, even in complex programs.

(www.babaei.net)

Development Memory Leaks

Bootstrapping the RP2350 from UART: A Clever Port Expander Solution

2025-05-11

Facing a project requiring numerous PWM channels, the author found a single RP2350 insufficient. The solution? Using a second RP2350 as a port expander, communicating via the UART bootloader. This avoids the complexities of managing different firmware versions on multiple chips. The article details the UART boot process, including unlocking, firmware transmission, and SRAM execution. It also covers embedding the RP2350's firmware within another microcontroller's and using RS-485 for robust long-distance communication. This clever hardware-software approach offers a novel solution for similar challenges.

(pfister.dev)

Hardware UART Bootloader Port Expander

Bias-Free Dual H2 Production System: 4x Higher Efficiency Than DOE Target

2025-05-11

Bias-Free Dual H2 Production System: 4x Higher Efficiency Than DOE Target

Researchers have devised a novel bias-free dual hydrogen production system, replacing the energy-intensive oxygen evolution reaction with the cost-effective oxidation of furfural. The system consists of a highly efficient PtC/Ni/c-Si photocathode for water reduction and a copper anode for furfural oxidation, producing valuable furoic acid and hydrogen. This design cleverly harnesses the high photocurrent of the c-Si photocathode, eliminating the need for external bias and achieving a significantly higher hydrogen production rate than conventional water splitting. The solar hydrogen production rate is more than 8 times higher than previously reported bias-free PEC H2 production systems, far exceeding the US Department of Energy (DOE) target.

(www.nature.com)

Tech photoelectrochemistry hydrogen production

Native Windows Todo App in Pure C

2025-05-11

Native Windows Todo App in Pure C

A modern, native Windows todo application built with C and the Win32 API. It allows users to create, edit, delete, and mark todo items as complete, with persistent storage in AppData. Features include system tray integration and a native Windows look and feel. The application supports up to 100 todo items. The source code is open-source and includes build instructions.

(github.com)

Development Todo App

Framework-Free Web Development: A Guide to Vanilla JS

2025-05-11

This site provides a comprehensive guide to building websites and web applications using only an editor, a browser, and web standards—no build tools or frameworks required. It dives into using Web Components as fundamental building blocks, leveraging modern CSS capabilities, and creating web projects and single-page applications without build tools, frameworks, or server-side logic. Targeted at developers already familiar with HTML, CSS, and JavaScript, this tutorial champions a simpler, more maintainable approach to web development, addressing the complexity and maintenance overhead often associated with modern frameworks.

(plainvanillaweb.com)

Development vanilla JS modern CSS

Visualizing Mathematical Proof: Insights from Lean Blueprints

2025-05-11

Lean Blueprints, a project planning tool inspired by mathematicians' blueprint method for formalizing proofs, offers unique insights into the proof process. It uses a graph where nodes represent definitions, lemmas, and theorems, with colors indicating their status (green: proven, blue: stated but unproven, black: unwritten). By tracking version control of Lean projects (e.g., Terrence Tao's formalization of the PFR conjecture), we can visualize the evolution of proofs, revealing how mathematicians work and providing data for building tools to assist them. This visualization offers previously hidden insights into how mathematical proofs are constructed.

(kirancodes.me)

Development Formal Proof

Synder Hiring Experienced Business Development Representative

2025-05-11

Synder Hiring Experienced Business Development Representative

Synder, a simplified accounting platform for accounting professionals and business owners to record, reconcile, and recognize online sales and subscriptions, is seeking an experienced Business Development Representative with at least 3 years of experience. Synder processes over $10B in transactions annually. The role involves identifying potential leads, building a pipeline of qualified leads, and setting the stage for successful customer acquisition. Strong communication, research, and resilience are essential.

(www.ycombinator.com)

Startup Business Development Accounting

Developing iOS Apps on Non-Apple Devices: Legal Minefield

2025-05-11

Developing iOS Apps on Non-Apple Devices: Legal Minefield

The possibility of building iOS apps on non-Apple devices has long been debated. This post highlights that the primary challenge is legal and licensing, not technical. Apple's Developer Program License Agreement explicitly forbids installing, using, or running iOS SDKs or other Apple software on non-Apple devices. While the Oracle v. Google case altered the copyright landscape regarding reverse engineering for compatibility, the author argues that deploying apps built on non-Apple devices directly to the App Store carries significant legal risk, with Apple retaining the right to terminate violating developer accounts.

(forums.swift.org)

Development Apple Developer Agreement

Faster Java Startup with AOT Cache Profile Improvements

2025-05-11

This improvement significantly reduces Java application warmup time by collecting method execution profiles during application training runs and storing them in the AOT cache. At startup in production, the JIT compiler can immediately use these profiles to generate native code, eliminating the wait for profile collection and resulting in faster startup and peak performance. This technique requires no code changes and is compatible with existing AOT cache creation commands. Experiments show a 19% reduction in warmup time for a simple example program.

(openjdk.org)

Development AOT cache

Building an LLM from Scratch: Unraveling the Mystery of Attention

2025-05-11

Building an LLM from Scratch: Unraveling the Mystery of Attention

This post delves into the inner workings of the self-attention mechanism in large language models. The author analyzes multi-head attention and layered mechanisms, explaining how seemingly simple matrix multiplications achieve complex functionality. The core idea is that individual attention heads are simple, but through multi-head attention and layering, complex and rich representations are built. This is analogous to how convolutional neural networks extract features layer by layer, ultimately achieving a deep understanding of the input sequence. Furthermore, the post explains how attention mechanisms solve the inherent fixed-length bottleneck problem of RNN models and uses examples to illustrate the roles of query, key, and value spaces in the attention mechanism.

(www.gilesthomas.com)

AI

European Courts Order Pirate Site Blocking, DNS Providers React Differently

2025-05-11

European courts have recently issued orders to DNS resolvers like OpenDNS, Cloudflare, and Google to block pirate websites, leading to varied responses from these tech giants. OpenDNS took drastic action, withdrawing from France and Belgium; Cloudflare used "alternate mechanisms" to comply, notifying users with an HTTP 451 error; Google silently refused DNS queries without explanation. This lack of transparency confuses users and potentially violates court requirements for detailed explanations. Concerns are rising about similar bills in the US, highlighting the importance of transparency in tackling online copyright issues.

(torrentfreak.com)

Tech online copyright

Gonzalo Guerrero: A Transcultural Legend of the New World

2025-05-11

Gonzalo Guerrero: A Transcultural Legend of the New World

Gonzalo Guerrero, a Spanish sailor from the early 16th century, was shipwrecked on the Yucatán Peninsula and taken captive by the Maya. He not only gained his freedom but rose to become a respected warrior under a Maya lord, marrying a Maya woman and fathering children, some of the first mestizos in the Americas. He famously refused offers to join the Spanish conquistadors, choosing loyalty to the Maya and participating in wars against the Spanish colonizers, ultimately dying in battle. His story is a compelling tale of transcultural assimilation, personal choice, and the complexities of the colonial era.

(en.wikipedia.org)

Misc Spanish colonization Maya culture mestizo

The Rise and Fall (and Possible Rise?) of US Rare Earths

2025-05-11

The US once dominated the rare earth industry, but strategic missteps led to China taking the lead. This article recounts the history of the US rare earth industry, focusing on Molycorp's failed partnership with China and how China quickly mastered rare earth processing and permanent magnet production. While the US government has recently invested heavily to rebuild its rare earth supply chain, it faces challenges from market demand, technological hurdles, and China's strong competitive position. The author questions the viability of a US rare earth revival, noting that demand may be lower than anticipated and alternative technologies are developing.

(media.hubspot.com)

Tech rare earths

Massive Supply Chain Attack Compromises Hundreds of E-commerce Stores

2025-05-11

Massive Supply Chain Attack Compromises Hundreds of E-commerce Stores

Hundreds of e-commerce stores, including a $40 billion multinational, are running backdoored versions of popular software. Security firm Sansec discovered that attackers have been actively exploiting these backdoors since at least April 20th. Affected packages are from vendors including Tigren, Magesolution (MGS), Meetanshi, and Weltpixel, released between 2019 and 2022. Attackers compromised vendor servers to inject backdoors, gaining access to all customer stores and their visitors. The backdoor disguises itself as a license check, located in License.php or LicenseApi.php. E-commerce stores using software from these vendors are urged to check their security immediately.

(sansec.io)

Tech e-commerce security backdoor vulnerability

AI Deciphers 2000-Year-Old Herculaneum Scroll: Unveiling Philodemus' Ethical Treatise

2025-05-11

AI Deciphers 2000-Year-Old Herculaneum Scroll: Unveiling Philodemus' Ethical Treatise

Using AI-powered 'virtual unwrapping', researchers have for the first time identified the title and author within a sealed Herculaneum scroll, PHerc. 172. The scroll has been confirmed as *On Vices* by the Greek philosopher Philodemus, an ethical treatise offering guidance on cultivating a virtuous life. This breakthrough, achieved by the Vesuvius Challenge and researchers from the University of Würzburg, earned them a $60,000 prize. While the author and title are clear, the scroll's precise place within the *On Vices* series (known to have at least 10 books) requires further investigation. This discovery offers valuable insights into Philodemus' ethical views and the complete *On Vices*, showcasing AI's transformative potential in humanities research.

(www.finebooksmagazine.com)

Tech Ancient Texts Herculaneum Scrolls

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