The Fish Kick: A Faster Way to Swim?

2025-07-12
The Fish Kick: A Faster Way to Swim?

This article explores a revolutionary swimming technique called the "fish kick." Unlike traditional strokes, the fish kick is performed underwater, mimicking the side-to-side undulation of fish. Pioneered by Olympic gold medalist Misty Hyman and her coach, experiments suggest that the vortices generated by this technique enhance swimming speed, potentially breaking the limitations of surface swimming. While challenging to master and not yet widely adopted in competitions, the fish kick's potential is enormous, promising to reshape the future of swimming.

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MCP-Use: Open-Source Library Connecting Any LLM to Any MCP Server

2025-08-01
MCP-Use: Open-Source Library Connecting Any LLM to Any MCP Server

MCP-Use is an open-source library enabling developers to easily connect any LangChain-supported LLM (e.g., OpenAI, Anthropic) to any MCP server and build custom MCP agents with tool access. It boasts features like ease of use, LLM flexibility, a code builder, HTTP support, dynamic server selection, multi-server support, tool restrictions, custom agent creation, and asynchronous streaming output. Installation is via pip or from source, requiring the appropriate LangChain provider package. MCP-Use also supports configuration file loading and offers a sandboxed execution mode for secure server operation.

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Development

Goodbye Scattered Cron Jobs: Heartbeat's Centralized Task Scheduler

2025-08-01
Goodbye Scattered Cron Jobs: Heartbeat's Centralized Task Scheduler

Heartbeat previously used multiple Cron Jobs to manage scheduled tasks, resulting in high maintenance costs and frequent errors. This article describes how they built a centralized, database-driven task scheduler using a single `ScheduledTasks` database table and a single Cron Job to manage all scheduled tasks. Leveraging AWS SQS for asynchronous processing, the system ensures reliable task execution, retry mechanisms, and robust monitoring. This approach addresses issues like task management chaos, difficult error handling, and simplifies the addition of new scheduled tasks.

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Development task scheduling

Robinhood's Secret Weapon: 50% AI-Generated Code

2025-07-18
Robinhood's Secret Weapon: 50% AI-Generated Code

Robinhood CEO Vlad Tenev revealed that nearly all of the company's engineers are essentially 'vibe coders,' relying heavily on AI code editors. He estimates that around 50% of Robinhood's new code is AI-generated, surpassing Microsoft and Google's previously reported 30%. The increasing sophistication of AI code editors makes distinguishing between human and AI-written code difficult. This AI adoption has significantly improved Robinhood's efficiency and cost control, impacting teams across the board, from software engineering to customer support. Robinhood's stock price is up over 177% this year, fueled by its expanding crypto ventures, new product launches, and active retail investor base.

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Tech

Sixth AI: Supercharge Your Coding Workflow with AI

2025-07-17
Sixth AI: Supercharge Your Coding Workflow with AI

Sixth AI is an AI-powered coding assistant for Visual Studio Code designed to boost developer productivity. It offers blazing-fast AI-powered code completion, a chat interface for generating, editing, and modifying multiple files simultaneously, codebase indexing for easy navigation, inline chat for direct code editing suggestions, terminal command generation, and smart code suggestions. Supporting a wide array of programming languages and frameworks, Sixth AI also features an active Discord community for support and feedback. Whether you're a beginner or an expert, Sixth AI promises to make your coding faster and smarter.

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Development

Pure CSS 3D Engine: Building Realistic 3D Worlds with HTML Elements

2025-08-21
Pure CSS 3D Engine: Building Realistic 3D Worlds with HTML Elements

A developer spent months creating a stunning 3D environment demo using only CSS 3D transforms, HTML elements, and JavaScript. The demo features complex models, realistic lighting and shadows, and even collision detection. The article details the technical aspects, including creating 3D objects from rectangular elements, cleverly using gradients and canvas for lighting and shadow effects, and heightmap-based collision detection. This is not just a technical showcase; it demonstrates the immense potential of CSS in the field of 3D graphics.

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Development 3D Engine

Ensō (Occult Vampire Keanu) Public Beta Released

2025-06-30
Ensō (Occult Vampire Keanu) Public Beta Released

The new Ensō version, codenamed "Occult Vampire Keanu," is now available for public testing! This release focuses on a simplified UI, improved accessibility, and enhanced privacy. New features include a "Coffeeshop Mode" to conceal text, multiple accessibility-focused themes, and a refined text rendering engine. Future updates will include RTL support and more, but this version significantly improves the user experience.

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Development UI update

C++ Modules: A Broken Promise?

2025-09-01

This article takes a pessimistic view on the progress of C++ modules. The author argues that if C++ modules cannot demonstrate a 5x (preferably 10x) compilation speedup across multiple existing open-source codebases, they should be abandoned. The article highlights the challenging development journey, citing the tight integration required between compilers and build systems as a major hurdle. The author emphasizes that the focus should be on improving compilation speed rather than addressing relatively rare issues like macro leakage. He recounts the standardization process, pointing out underestimation of implementation difficulties. Finally, the author suggests an alternative approach – `import std` – while acknowledging its limited potential for improvement.

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The Perils of Over-Reliance on AI Coding Tools: Don't Let Automation Become Your Crutch

2025-04-03

The author recounts their experience with over-reliance on AI coding tools, drawing a parallel to using Tesla's Full Self-Driving (FSD) feature. Initially, AI boosted efficiency, but long-term dependence led to a decline in coding skills, particularly in tackling complex problems independently. The author advocates for cautious AI usage, warning against becoming a 'prompt engineer'. They emphasize mastering fundamental skills and maintaining independent problem-solving abilities to thrive in the age of AI.

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Development

Hidden Controls: A Regression in Technological Advancement?

2025-07-06
Hidden Controls: A Regression in Technological Advancement?

From DOS command lines to smartphones, human-computer interaction has shifted from 'knowledge in the world' to 'knowledge in the head'. This article argues that modern devices increasingly rely on hidden controls and commands, making even simple operations difficult, especially for novice users. The author contends this contradicts early human-computer interaction design principles and calls for designers to prioritize visible controls, creating more usable systems.

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Tech usability

The Golden Age of Antibiotics and How to Reignite It

2024-12-25
The Golden Age of Antibiotics and How to Reignite It

This article explores the "Golden Age of Antibiotics" (early 1940s-mid 1960s), a period of rapid antibiotic discovery. It explains the decline in antibiotic development since the 1970s due to pharmaceutical companies shifting focus to more profitable areas and the rise of antibiotic resistance. The article proposes strategies to revive antibiotic discovery, such as genome mining, exploring novel bacteria, and combination therapies. It highlights the crucial role of government and organizational funding and innovative collaborative models to incentivize the development of new antibiotics, crucial in the fight against drug-resistant infections.

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Jules, the Gemini 2.5-Powered Code Assistant, Launches Publicly

2025-08-07
Jules, the Gemini 2.5-Powered Code Assistant, Launches Publicly

Google's code assistant, Jules, is officially out of beta and launching publicly, powered by Gemini 2.5. During beta testing, thousands of developers tackled tens of thousands of tasks, resulting in over 140,000 publicly shared code improvements. Based on developer feedback, Jules has seen UI improvements, hundreds of bug fixes, and new features like reusable setups for faster task execution, GitHub integration, and multimodal support. Now leveraging Gemini 2.5 Pro's advanced reasoning capabilities for code planning, Jules produces higher-quality code. New tiered access is also available, offering increased usage limits for Google AI Pro and Ultra subscribers.

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Development Code Assistant

Web Interaction Paradigm Shift: Invoker Commands Explained

2025-02-25

This explainer details a new proposal for web interaction: Invoker Commands. By adding `commandfor` and `command` attributes to `` elements, it assigns behavior to buttons in a more accessible and declarative way, reducing the amount of JavaScript required. The proposal defines a `CommandEvent`, allowing developers to customize interactions. Built-in support for `` and `` elements is included, with a focus on accessibility and security. It also supports custom commands and provides ample example code demonstrating how to simplify web interaction development using this proposal.

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Development

LLMs Fail at Font Identification: A Live Benchmark

2025-08-04
LLMs Fail at Font Identification: A Live Benchmark

A developer benchmarked GPT-4 and Gemini on a live, continuously updating dataset of unidentified fonts from the DaFont forum. Despite providing context like images, titles, and descriptions, both LLMs performed abysmally. This highlights limitations in even seemingly straightforward image classification tasks, suggesting LLMs are far from a universal solution. The project uses Python scripts for data scraping, GitHub Actions for automation, JSON for storage, and Observable for a dynamic dashboard.

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Interactive Video Textbook on Bijective Combinatorics: ABjC

2025-06-21

ABjC is a four-part video textbook on bijective combinatorics, each part corresponding to a course taught at IMSc. Presented as videos with an interactive website for easy navigation, ABjC allows users to pinpoint specific sections and timestamps. It covers enumerative, algebraic, and bijective combinatorics, featuring new results and novel presentations of classic theory. Suitable for undergraduates, graduates, and researchers, the textbook includes sections catering to different skill levels.

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Development video textbook

Reading Text from a Mile Away: A Novel Interferometer Imaging System

2025-05-14
Reading Text from a Mile Away: A Novel Interferometer Imaging System

Researchers from the University of Science and Technology of China have developed a novel high-resolution imaging system capable of clearly identifying millimeter-sized letters from a kilometer away. Utilizing intensity interferometry, the system illuminates the target with multiple laser beams and collects the reflected light using two small telescopes. This technique overcomes challenges associated with the coherence of laser light in traditional methods. By cleverly splitting the laser into multiple beams for incoherent illumination, it significantly improves imaging resolution. Potential applications include space debris detection.

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Level Up Your Text Game: The Ultimate Font Generator

2025-03-14
Level Up Your Text Game: The Ultimate Font Generator

Font Generator is an online tool transforming plain text into over 180 stylish fonts. Using thousands of Unicode symbols, it creates bold, underlined, cursive, and italic styles – perfect for platforms lacking native formatting. Simply input your text, choose a font, copy, and paste. From social media posts to documents, this tool adds flair and personality to your writing.

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The Rise of Hyperlegibility: Information Overload in the Modern Age

2025-03-28
The Rise of Hyperlegibility: Information Overload in the Modern Age

Once, accessing information required Herculean efforts, like scaling a treacherous cliff to find an inscription. Now, information is readily available, even unavoidable. The author coins the term "Hyperlegibility" to describe this ease of information access and dissemination. This stems not only from technological advancements but also from people's proactive pursuit of clarity. To stand out in competition, they openly share ideas and strategies. It's a game-theoretic outcome: information is no longer a scarce resource, yet it shapes new competitive landscapes, giving rise to a new generation of "Hyperlegibility Natives" with supercharged information processing abilities.

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Why Senior Developers Are More Crucial Than Ever in the Age of AI Code Generation

2025-06-28
Why Senior Developers Are More Crucial Than Ever in the Age of AI Code Generation

In the era of AI-powered code generation, senior developers are more vital than ever. The article argues that a program is not just code, but a theoretical model built upon a deep understanding of the system. AI-generated code often lacks this theoretical foundation, leading to incoherent codebases and accumulating technical debt. Senior developers build and maintain this theoretical framework, ensuring code aligns with business needs and mentoring junior developers to transform scattered code into coherent programs. Therefore, organizations need to prioritize knowledge sharing and theoretical inheritance to cultivate developers with strong theoretical foundations, ensuring software quality and long-term maintainability.

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Development senior developers

Quantum Mechanics at 100: A Triumphant Theory, Yet No One Knows Why It Works

2025-02-03
Quantum Mechanics at 100: A Triumphant Theory, Yet No One Knows Why It Works

Quantum mechanics, the most successful and important theory in modern physics, makes remarkably accurate predictions and explains phenomena ranging from lasers to the Higgs boson. Yet, for a century, physicists have struggled to agree on its fundamental principles. This article traces the origins of quantum mechanics, from Planck and Einstein's early work to the breakthroughs of Heisenberg, Born, Jordan, and Schrödinger, exploring the measurement problem, wave functions, the uncertainty principle, and the decades-long debate between Einstein and Bohr about the nature of quantum reality. Quantum entanglement further challenges our intuition and understanding of spacetime. Despite its immense success, the foundations of quantum mechanics remain shrouded in mystery, making it both fascinating and deeply challenging.

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Tech

Firefox Brings Enhanced DoH to Android, Balancing Privacy and Speed

2025-09-17
Firefox Brings Enhanced DoH to Android, Balancing Privacy and Speed

Firefox is rolling out DNS over HTTPS (DoH) on Android, providing enhanced privacy protections. Previously launched on desktop and in Canada, Firefox's DoH, in partnership with CIRA and Akamai, achieved a remarkable 61% speed improvement in DNS lookups. The Android implementation lets users select an "Increased Protection" DoH configuration, mirroring the desktop experience. Firefox plans to enable DoH by default on Android in select regions, pending performance tests.

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Tech

Axum 0.8.0 Released: Path Parameter Syntax and Optional Extractor Improvements

2025-01-05

Axum 0.8.0 is out! This Rust web framework built with Tokio, Tower, and Hyper boasts significant updates. The most notable changes include an altered path parameter syntax (from `/single` and `/*many` to `/{single}` and `/{*many}`) and improvements to `Option` extractors, enabling more flexible handling of optional parameters and errors. Additionally, due to Rust language feature updates, the `#[async_trait]` macro is no longer needed. These improvements enhance Axum's usability and flexibility, but also introduce breaking changes; careful migration is advised. Consult the changelog for details.

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Development

Traits of Exceptional Programmers: It's Not About Genius, It's About Habits

2025-04-09
Traits of Exceptional Programmers: It's Not About Genius, It's About Habits

This article outlines the common traits of exceptional programmers, as observed by the author. These include meticulously reading documentation, thoroughly analyzing error messages, breaking down complex problems, actively contributing and helping others, strong writing skills, continuous learning without chasing trends, humility and a willingness to learn from everyone, building a strong reputation, patience and persistence, taking ownership of bugs, admitting 'I don't know', avoiding guesswork, and prioritizing simplicity in code. The author emphasizes that becoming an exceptional programmer is a journey, not a race, requiring consistent effort and dedication.

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Development

Walmart and Wing Expand Drone Delivery to Five New Cities

2025-06-13
Walmart and Wing Expand Drone Delivery to Five New Cities

Walmart and Alphabet's drone delivery company, Wing, are expanding their partnership to five new US cities: Atlanta, Charlotte, Houston, Orlando, and Tampa. Customers can now order online and have their Walmart purchases delivered by drone. This expansion adds 100 stores to their existing network, building on over 150,000 deliveries completed by Walmart since 2021 and over 450,000 by Wing since 2012. The initiative aims to enhance delivery speed and convenience while exploring more sustainable logistics solutions. Wing's drones can carry up to 5 pounds and have a 12-mile range.

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Tech

Retro Monospace Fonts: Old Timey Mono & Code

2025-05-06
Retro Monospace Fonts: Old Timey Mono & Code

Darren Embry has released two retro-styled monospace fonts: Old Timey Mono and Old Timey Code. Old Timey Mono is based on the Reproducing Typewriter typeface from as early as 1906, aiming to simulate typewritten text while enhancing readability. Old Timey Code builds upon this, adding a slashed zero, a more distinct digit one, and modifications to select punctuation marks and lowercase letters. Both fonts boast extensive language support, covering Latin, Cyrillic, and Greek scripts, and a wide range of Unicode character sets, making them ideal for coding and screenwriting.

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Design coding font

Meta Faces Lawsuit Over Alleged Use of Pirated Torrent Data for AI Training

2025-01-20

Authors are suing Meta for allegedly using their copyrighted works without permission to train its AI models. The lawsuit claims Meta used BitTorrent to download and share millions of pirated books from the shadow library LibGen. While Meta admitted to using unofficial sources, it argued fair use. However, plaintiffs are seeking Meta's BitTorrent client logs and seeding data to prove willful infringement. A judge allowed further investigation into the 'seeding' aspect, potentially impacting Meta's fair use defense and significantly altering the case's trajectory.

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Meta's Executive Bonus Bonanza: Massive Raises After Layoffs Spark Outrage

2025-02-22
Meta's Executive Bonus Bonanza: Massive Raises After Layoffs Spark Outrage

Meta has significantly increased executive bonuses to 200% of base salary, following recent layoffs affecting 3,700 employees. While Meta justifies the move by claiming it aligns with industry compensation, the timing, shortly after reducing stock options for remaining staff, has fueled criticism. This comes as CEO Mark Zuckerberg announced a massive $60 billion investment in AI infrastructure for 2025, potentially explaining the increased executive compensation but raising questions about its long-term success.

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The Surprising Secrets Hidden in the Entropy of a Mixture

2025-07-01

This article delves into the relationship between the entropy of a mixture of probability density functions and its interpolation factor. The author reveals that entropy, as a function of probabilities, is concave, and this concavity is directly tied to the mutual information between the two distributions. By introducing a Bernoulli variable and the concept of conditional entropy, the article elegantly explains how mutual information quantifies the change in the expected surprisal of a prediction given knowledge of the mixture factor. Furthermore, it introduces a novel concept, 'proclivity', connecting it to KL divergence and cross-entropy. The article also discusses Jensen-Shannon divergence and the Neyman χ² divergence appearing in higher-order Taylor expansions. Ultimately, it concludes that the entropy function of the mixture completely describes the distribution of likelihood ratios between the two probability distributions, offering a fresh perspective on understanding the relationship between probability distributions.

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Google Play 2024 Security Report: AI-Powered Defenses Protect Billions

2025-02-03
Google Play 2024 Security Report: AI-Powered Defenses Protect Billions

Google's 2024 Google Play security report highlights its commitment to user and developer safety. Leveraging AI-powered threat detection, strengthened privacy policies, and enhanced developer tools, Google Play prevented 2.36 million policy-violating apps from publication and banned over 158,000 malicious developer accounts. The report focuses on AI's role in proactively identifying malware, collaboration with developers to improve security and privacy (limiting access to sensitive data, enhanced data deletion options), and Google Play Protect's real-time scanning which identified over 13 million malicious apps from outside Google Play. New fraud protection features shield users from scams and malware. Google also collaborates with governments and industry partners to establish new app security assessment standards for a safer app ecosystem.

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Judge Rules Anthropic's Use of Books to Train AI is Fair Use

2025-06-24
Judge Rules Anthropic's Use of Books to Train AI is Fair Use

A federal judge ruled that Anthropic's use of published books to train its AI models without authors' permission is legal, marking the first time courts have acknowledged AI companies' fair use defense in LLM training. This decision is a setback for authors suing companies like OpenAI and Meta. While not setting universal precedent, it favors tech companies. The ruling hinges on the interpretation of fair use doctrine, outdated in the age of generative AI. However, a trial will address Anthropic's use of pirated books to build its 'central library' of copyrighted works, potentially impacting damages.

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AI
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