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First Lone Black Hole Confirmed

2025-04-20

First Lone Black Hole Confirmed

Astronomers have confirmed the existence of a lone black hole—one without an orbiting star—for the first time. Initially detected in 2011, its gravity caused a background star's light to bend and shift as it passed. Years of observations from Hubble and Gaia spacecraft confirmed its mass is about seven times that of the sun, settling a previous debate about its nature. This discovery is significant for understanding black hole formation and distribution. Future missions aim to find more such lone black holes.

(www.sciencenews.org)

Tech

Peru's Ancient Irrigation Systems: Lessons from the Past for a Climate-Resilient Future

2025-04-19

Peru's Ancient Irrigation Systems: Lessons from the Past for a Climate-Resilient Future

Peru's arid north coast, surprisingly, thrives as an agro-industrial heartland due to sophisticated irrigation systems. However, climate change and modern agricultural practices exacerbate water scarcity. This article explores ancient Moche and Chimu irrigation systems, which successfully managed droughts and floods for millennia. Their success stemmed from a blend of culture and technology, not just technology alone. Modern large-scale irrigation projects, while providing short-term prosperity, neglect ancient wisdom and face sustainability challenges. The article calls for integrating ancient cultural and technological insights into modern agriculture for more resilient solutions, emphasizing the need to respect and preserve indigenous knowledge and cultural heritage.

(theconversation.com)

Tech ancient irrigation

Context Collapse in Performance Reviews: Why Your Calibration Meetings Are Failing

2025-04-27

This article explores the phenomenon of 'context collapse' in performance reviews, where different managers interpret the same work differently, leading to unfair assessments and potential loss of talent. It analyzes various contributing factors, including domain-specific blind spots, technology bias, visibility bias, manager advocacy, anchoring bias, inconsistent rating scales, time constraints, and differing emphasis on growth vs. impact. Solutions are proposed, such as domain-specific calibrations, cross-functional pre-reviews, engineer co-authorship of performance narratives, standardized achievement formats, dedicated recognition tracks, continuous calibration, and decoupling feedback from evaluation. Ultimately, the article calls for rethinking the performance review system entirely, aiming for a fairer, more holistic process that accurately reflects engineers' contributions and prevents the loss of valuable talent.

(www.oldschoolburke.com)

Development talent management

Zev: Find Terminal Commands with Natural Language

2025-04-24

Zev: Find Terminal Commands with Natural Language

Zev is a tool built on top of the OpenAI API that lets you find or remember terminal commands using natural language. For example, you can type 'show all running python processes' to find the relevant command. Zev supports various operations including file operations, system information, network commands, and Git operations. You can also use Ollama as a local alternative to avoid relying on the OpenAI API. The project is open-source and contributions are welcome.

(github.com)

Development terminal commands natural language

Five Easy Mentalism Tricks to Amaze Your Friends

2025-04-22

Five Easy Mentalism Tricks to Amaze Your Friends

This article unveils five simple yet impressive mentalism tricks, leveraging psychology and mathematical principles to astound your audience. From the probability-based 'Gray Elephant in Denmark' to the subconscious priming of 'The Red Hammer', the subtle suggestion of 'Triangle Inside Circle', the clever selection method of 'P.A.T.E.O Force', and the mathematical mystery of '1089 Trick', each trick is explained with detailed steps and helpful tips, making them accessible even for beginners. Prepare to become the life of the party!

(www.vanishingincmagic.com)

Misc magic mentalism

Fujitsu and RIKEN Achieve Quantum Leap: 256-Qubit Superconducting Quantum Computer

2025-04-22

Fujitsu and RIKEN Achieve Quantum Leap: 256-Qubit Superconducting Quantum Computer

Fujitsu and RIKEN have jointly developed a world-leading 256-qubit superconducting quantum computer, a significant leap from their previous 64-qubit system. This achievement, utilizing advanced high-density implementation techniques, quadruples computational power. The 256-qubit computer will be integrated into their hybrid quantum computing platform and offered globally to companies and research institutions starting in Q1 of fiscal year 2025. Future plans include a 1000-qubit computer by 2026.

(www.fujitsu.com)

Tech Superconducting Quantum Computer Fujitsu

TikZJax: In-Browser TikZ Rendering

2025-04-20

TikZJax is a JavaScript library that renders TikZ code directly in the browser as SVG images. It cleverly uses WebAssembly to compile Pascal-based tex code into WebAssembly, executing it within the browser to convert TikZ to SVG. This eliminates the need for server-side rendering, offering a convenient solution for displaying complex mathematical formulas and diagrams on web pages. This is a boon for users needing to incorporate intricate graphics on their websites.

(tikzjax.com)

Development

Game-Changing Papers & Blog Posts on Programming Languages

2025-05-14

This blog post lists several papers and blog posts that profoundly impacted the author's understanding of programming languages and compilers. Topics covered include garbage collection, code optimization, register allocation, regular expression engines, machine learning, SSA form, and compiler design. The author highlights the insightful approaches presented, such as using Z3 as a proof engine, leveraging fuzzing for bug detection, and efficient expression parsing techniques. The collection showcases the author's deep dive into the intricacies of programming language design and implementation.

(bernsteinbear.com)

Development

Kate: A 20-Year-Old Code Editor That Still Rocks

2025-04-21

The author details their workflow with the Kate text editor, a powerful and customizable tool they've used for two decades. The article covers plugins, view splitting, language servers, debuggers, code formatting, custom shortcuts, project management, and color schemes. It highlights efficient workflow features like quick file switching, action search, and robust build and run functionality. Comparing it to VS Code, the author emphasizes Kate's simplicity, stability, and open-source nature, expressing appreciation for the Kate development team.

(akselmo.dev)

Development

Good Karma Kit: Donate Unused Computing Power for Good

2025-04-18

The Good Karma Kit is a Docker Compose project that leverages spare CPU, disk, and bandwidth on servers to contribute computing power to over ten public-good projects. It includes networking projects like Tor and i2p, distributed computing projects such as BOINC and Folding@home, internet archiving projects like ArchiveBox and Kiwix, and distributed storage projects like IPFS and Storj. Users can choose which projects to participate in and adjust resource allocation. The project aims to put idle resources to work for beneficial causes, offering leaderboards to incentivize participation. Some projects are non-profit, while others offer cryptocurrency rewards.

(archivebox.github.io)

Development

Browser-Based CSV Conversion Powerhouse: Transform Your Data with Ease

2025-05-01

This powerful online CSV converter lets you effortlessly process various data formats directly in your browser! It supports importing CSV, TSV, XLSX, XLS, and TXT files with automatic format and encoding detection. Easily rename headers, enable/disable fields, drag-and-drop to reorder columns, split or merge columns, use regular expressions for text replacement, and convert data to JSON or XML. A fullscreen view facilitates large dataset inspection, while search, filter, and sort functionalities are built-in. Compare dataset differences for enhanced analysis. No downloads or installations needed – experience data processing made simple!

(csvforge.com)

Development CSV conversion

Windows Security Update Creates Vulnerability: 'inetpub' Folder Blocks Future Updates

2025-04-27

Windows Security Update Creates Vulnerability: 'inetpub' Folder Blocks Future Updates

A recent Windows security update introduced a new vulnerability. The update creates an 'inetpub' folder, intended to fix CVE-2025-21204. However, security researcher Kevin Beaumont discovered that this folder can be abused. By creating a junction pointing to another file, attackers can prevent future Windows updates from installing, resulting in a 0x800F081F error. Microsoft is aware of the issue but currently rates it as medium severity and doesn't plan to immediately fix it.

(www.bleepingcomputer.com)

Tech Windows security update

Brazil's Pix: Instant Payments Take Over

2025-04-08

Brazil's Pix: Instant Payments Take Over

Launched in November 2020 amidst the COVID-19 pandemic, Brazil's Pix digital payment system rapidly gained popularity. Its contactless, instant, free, and user-friendly nature proved a winning combination. Using only a recipient's national ID, phone number, or QR code, Pix facilitated a massive surge in transactions. By 2024, it surpassed cash and cards to become Brazil's dominant payment method, processing 63 billion transactions totaling 26 trillion reais ($4.5 trillion). No other country has adopted a similar system with such speed.

(www.economist.com)

Tech Pix

Ghostty's Embeddable Terminal Emulator Library, libghostty, Launches

2025-09-24

The Ghostty project has released libghostty, an embeddable library for any application to integrate a modern, fast terminal emulator. The first release, libghostty-vt, is a zero-dependency library (not even libc!) providing an API for parsing terminal sequences and maintaining terminal state, directly extracted from Ghostty's core. A Zig API is available for testing now, with a C API coming soon. libghostty aims to solve the common shortcomings of existing terminal emulator implementations—incompleteness, bugs, and slow speed—offering developers a stable, reusable solution. Future plans include expanding functionality with input handling, GPU rendering, and more.

(mitchellh.com)

Development embeddable library

FreeBSD: Not Dead, Just Quietly Powering the Internet

2025-05-26

Recent discussions have questioned whether FreeBSD is dying. Analyzing Google Trends data, the author shows a steady upward trend for FreeBSD searches, contrasting with a flatline for Linux. This misconception, the author argues, stems from the availability heuristic; people focus on the more discussed Linux, overlooking FreeBSD's silent power behind countless internet services. FreeBSD's permissive BSD license, while making it a great foundation for commercial products, discourages companies from contributing back. The author calls on FreeBSD users to share their experiences and challenges, allowing the FreeBSD Foundation to bridge the gap between industry and software/hardware vendors, fostering FreeBSD's growth.

(freebsdfoundation.org)

Development BSD license

Mysterious SSH Password Disable Bug on Ubuntu 24.04

2025-04-06

Disabling SSH password access over the internet while allowing it on the local LAN on an Ubuntu 24.04 server seemed straightforward using sshd_config. However, a custom configuration file in /etc/ssh/sshd_config.d/ was ignored after restarting the SSH daemon. The culprit was sshd_config's 'first-come, first-served' configuration rule, and a system-generated '50-cloud-init.conf' file containing 'PasswordAuthentication yes', which loaded before the custom file. Renaming the custom configuration file to '10-no-passwords.conf' solved the problem by ensuring it loaded first.

(utcc.utoronto.ca)

Development Server Configuration

FontDiffuser: A Diffusion-Based Approach to One-Shot Font Generation

2025-04-24

FontDiffuser is a novel diffusion-based method for one-shot font generation, framing font imitation as a noise-to-denoise process. Addressing limitations of existing methods with complex characters and large style variations, FontDiffuser introduces a Multi-scale Content Aggregation (MCA) block to effectively combine global and local content cues across scales, preserving intricate strokes. Furthermore, a Style Contrastive Refinement (SCR) module, a novel style representation learning structure, uses a style extractor to disentangle styles and supervises the diffusion model with a style contrastive loss. Extensive experiments demonstrate FontDiffuser's state-of-the-art performance, particularly excelling with complex characters and significant style changes.

(yeungchenwa.github.io)

AI font generation

Revolutionary High-Temperature Alloy: A Breakthrough in Copper-Based Materials

2025-04-28

Revolutionary High-Temperature Alloy: A Breakthrough in Copper-Based Materials

Researchers from the U.S. Army Research Laboratory (ARL), Lehigh University, and other institutions have developed a novel copper-based alloy exhibiting exceptional stability under extreme heat. This breakthrough leverages a unique Cu₃Li precipitate structure stabilized by a Ta-rich atomic bilayer, preventing grain growth and dramatically improving high-temperature performance. Combining the heat resistance of nickel-based superalloys with copper's superior conductivity, this alloy holds promise for applications in heat exchangers, advanced propulsion systems, and hypersonic technologies. The team synthesized the alloy using powder metallurgy and cryogenic milling, followed by rigorous testing including 10,000 hours of annealing at 800°C, confirming its long-term stability and creep resistance. The alloy has been patented, highlighting its strategic importance, particularly in defense applications.

(news.lehigh.edu)

Tech High-Temperature Alloy Copper Alloy

Can Gene Editing Save the Northern White Rhino?

2025-04-23

Can Gene Editing Save the Northern White Rhino?

Only two northern white rhinos remain, Najin and Fatu, and they're becoming the subjects of a groundbreaking gene-editing experiment. Scientists are attempting to resurrect the species through in-vitro fertilization and southern white rhino surrogates. However, this 'Jurassic Park'-esque endeavor faces numerous challenges and sparks ethical debates: Is the immense cost and effort justified for this 'human-made extinction', rather than broader wildlife conservation?

(nautil.us)

Tech northern white rhino extinction

Software Engineers Offer $10k Bounty for Six-Figure Job

2025-04-07

Software Engineers Offer $10k Bounty for Six-Figure Job

Facing a competitive job market, software engineers Argenis De La Rosa and Ryan Prescott took an unconventional approach. They offered a $10,000 bounty to anyone who could land them a six-figure software developer role. The LinkedIn post went viral, generating numerous responses, including unsolicited help. This bold strategy not only secured them multiple interviews but also highlights the need for creative job hunting in today's challenging tech landscape.

(www.businessinsider.com)

Development tech job market

Data Warehouse Architecture: A Deep Dive from Classic to Cloud-Native

2025-09-24

Data Warehouse Architecture: A Deep Dive from Classic to Cloud-Native

This comprehensive guide explores data warehouse architecture, from classic three-tier models to modern cloud-native designs. It covers key layers like data integration, storage, and access, detailing the pros and cons of various architectures (hybrid, single-tier, two-tier, three-tier, star schema, snowflake schema, etc.) and their use cases. Emerging trends like lakehouse, data mesh, and real-time pipelines are also discussed, along with how to choose the right architecture, schema, and tools to optimize performance and cost. Real-world examples from Helsana and WashTec showcase how companies modernized their data infrastructure for improved efficiency and insights.

(www.exasol.com)

Development data warehouse data architecture

LightlyTrain: Faster Model Training, No Labels Needed

2025-04-15

LightlyTrain: Faster Model Training, No Labels Needed

LightlyTrain brings self-supervised pretraining to real-world computer vision pipelines. It leverages your unlabeled data to drastically reduce labeling costs and accelerate model deployment. Easily integrate it into existing workflows; just a few lines of code are needed to pretrain models on your unlabeled image and video data using various architectures supported by libraries like Torchvision, Ultralytics, and TIMM. Scalable to millions of images, LightlyTrain significantly improves model performance for both small and large datasets, enabling you to export models for fine-tuning or inference. No self-supervised learning expertise is required.

(github.com)

Development model pretraining self-supervised learning

Realtime Collaborative Web Apps Without ClojureScript: The Power of Clojure and Datastar

2025-04-11

This article showcases a real-time multiplayer web game built using Clojure and the lightweight framework Datastar. Surprisingly, it uses zero ClojureScript and no user-written JavaScript! By streaming the entire main element of the page to the client every 200ms and leveraging Datastar's efficient DOM diffing algorithm, it achieves a smooth, real-time collaborative experience. The author cleverly uses SSE (Server-Sent Events) and Brotli compression to address bandwidth concerns and avoid the complexities and performance bottlenecks of WebSockets. The project demonstrates the potential of Clojure in building high-performance, real-time collaborative web applications, offering developers a simple and efficient alternative.

(andersmurphy.com)

Development

GDPR: A Website Operator's Lament

2025-04-11

A website operator humorously laments the complexities of complying with the EU's GDPR. Uncertain about full compliance, he faces potential legal risks and questions the regulation's effectiveness. He argues that large corporations easily circumvent the rules, while smaller operators bear the brunt of compliance burdens. The post reflects on the current state of internet regulation and urges users to remain vigilant online.

(rodyne.com)

Misc online security

Generative AI: Disrupting the SaaS Landscape

2025-04-21

Generative AI: Disrupting the SaaS Landscape

A foundational shift is underway in enterprise software, driven by generative AI. AlixPartners' new study reveals that the rise of AI agents is squeezing over 100 mid-market software companies. These firms are caught between AI-native entrants replicating applications at a fraction of the cost and tech giants investing heavily in AI. Many mid-sized enterprise software companies face existential threats within the next 24 months. AI is evolving from an assistant to the application itself, handling complex tasks and potentially rendering traditional SaaS architectures obsolete. This forces software companies to adopt outcome-based pricing, streamline product lines, and embrace M&A. Speed, relevance, and efficiency will become core competitive advantages.

(www.businessinsider.com)

Tech

Mbed TLS Port for Classic Mac OS: A Retro-Tech Challenge

2025-04-11

Mbed TLS Port for Classic Mac OS: A Retro-Tech Challenge

A developer successfully ported Mbed TLS to Classic Mac OS 7/8/9, a remarkable feat. The project overcame numerous hurdles, including the limitations of C89/C90 compilers lacking modern C features and the idiosyncrasies of the Mac's file system. The developer implemented 64-bit integer emulation and a custom entropy collection system, ultimately enabling a basic HTTPS GET request on a classic Mac. While security limitations exist, the project showcases a passion for retro technology and impressive programming skills.

(github.com)

Development Retro Programming

DARPA's AI-Powered Push to Exponentiate Math Research

2025-04-28

DARPA's AI-Powered Push to Exponentiate Math Research

DARPA, believing mathematical advancement is too slow, launched expMath to accelerate research using AI. The project aims to create an AI 'co-author' capable of proposing and proving mathematical abstractions. While AI excels at basic math, tackling advanced concepts poses a significant hurdle. The project's success hinges on overcoming this limitation, potentially requiring approaches beyond current large language model technology and exploring alternative methods like visual or auditory input.

(www.theregister.com)

AI

Logitech Raises Prices on Select Accessories Amidst Tariff Uncertainty

2025-04-22

Logitech Raises Prices on Select Accessories Amidst Tariff Uncertainty

Logitech has increased prices on up to 25% of its product catalog, likely due to tariffs on goods imported from China. A YouTube video by Cameron Dougherty details the price hikes, affecting 51% of Logitech's products with an average increase of 14%. Products like the MX Master 3S mouse and Pro Racing Wheel saw significant price jumps, while others, such as the MX Ergo and G703 gaming mouse, remained unchanged. This comes after Logitech withdrew its financial outlook due to tariff uncertainty, suggesting broader industry shifts. As a major peripheral manufacturer, Logitech's pricing often influences competitors. While some prices increased substantially, Amazon may offer better deals on some items.

(9to5mac.com)

Hardware

AI Chatbots' Surprisingly Minimal Impact on the Labor Market

2025-04-29

AI Chatbots' Surprisingly Minimal Impact on the Labor Market

A recent study in Denmark examining 25,000 workers across 11 occupations reveals that AI chatbots like ChatGPT have had a negligible impact on wages and employment. Despite many professions (accountants, journalists, software developers, etc.) being considered vulnerable to AI disruption, the research shows chatbot adoption hasn't significantly altered worker earnings or hours. While company investment in AI boosted tool adoption, saving users 64-90% of their time, the impact on work quality and satisfaction was mixed. AI created new tasks, offsetting some time savings; for instance, teachers now spend time detecting AI-generated cheating. Researchers attribute lower-than-expected economic gains to the fact that not all tasks are fully automatable and businesses are still figuring out how best to leverage these tools. Only a small portion of productivity gains translate into higher worker earnings. The study suggests that claims of transformative AI impact need to account for the minimal real-world economic effect seen two years after chatbot introduction.

(www.theregister.com)

Tech

The Missing Link: How Translation is Neglected in Literary Reviews

2025-04-21

The Missing Link: How Translation is Neglected in Literary Reviews

This article examines the oversight of translated works in English-language literary reviews. The author surveyed reviews of translated literary fiction and poetry in prominent journals in 2023, finding many reviews lacking in attention to the translation itself. Many simply praise the translation as 'fluent' or 'elegant' or ignore it entirely. The author argues that good reviews should delve into the translator's choices, challenges, and understanding of the source text, illustrated with specific examples. Only then can readers fully appreciate the value of translated works and the art of translation.

(sydneyreviewofbooks.com)

Misc translation review translation studies

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