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Ancient Greek Tech: Unlocking the Parthenon's Lighting Secrets

2025-05-22

Ancient Greek Tech: Unlocking the Parthenon's Lighting Secrets

A four-year study led by Oxford University has revealed how the Parthenon was illuminated in ancient Greece. Using archaeological evidence, 3D technology, and optical physics, researchers recreated the temple's lighting system, showing how it was designed to inspire awe. The architects and sculptor Phidias strategically used roof openings, water basins, windows, and the marble's reflective properties to manipulate light. During the Panathenaic Festival, the rising sun would dramatically illuminate Athena's statue, creating a breathtaking spectacle. This research, soon to be available as an immersive VR experience, showcases the power of technology in unlocking ancient mysteries.

(arkeonews.net)

Tech Ancient Greece

rtcollector: A Lightweight, RedisTimeSeries-Native Observability Agent

2025-05-22

rtcollector: A Lightweight, RedisTimeSeries-Native Observability Agent

rtcollector is a lightweight, plugin-based agent for collecting system and application metrics and pushing them to RedisTimeSeries. Designed for the Redis Stack ecosystem, it offers a modular, YAML-configurable approach, enabling developers to easily collect and manage metrics without the bloat of larger solutions. Currently supporting Linux and macOS systems, with Docker integration and planned support for ClickHouse, MQTT, and HTTP POST outputs, rtcollector provides a flexible and efficient way to monitor your systems.

(github.com)

Development monitoring agent

Apple's Smart Glasses: 2026 Launch, Smartwatch Plans Shelved

2025-05-22

Apple's Smart Glasses: 2026 Launch, Smartwatch Plans Shelved

Apple is aiming for a late 2026 release of its smart glasses, a key part of its push into AI-enhanced gadgets. The glasses, set to rival Meta's Ray-Bans, are in active development, with mass prototype production beginning late this year with overseas suppliers. However, the company has reportedly abandoned plans for a smartwatch featuring a built-in camera for environmental analysis.

(www.bloomberg.com)

Tech

Mozilla to Shut Down Pocket Read-It-Later Service in 2025

2025-05-22

Mozilla to Shut Down Pocket Read-It-Later Service in 2025

Mozilla announced it will shut down its popular read-it-later service, Pocket, on July 8, 2025, disappointing longtime users. While users can continue saving and reading until July, the service will become export-only afterward, with all data permanently deleted on October 8. Mozilla cites changes in how people consume content and a desire to focus resources on tools aligning with modern online habits. Premium subscribers will receive refunds. A portion of Pocket's functionality will live on as the "Ten Tabs" newsletter.

(betanews.com)

Tech Read-it-later

Poireau: A Lightweight Heap Allocation Debugger

2025-05-22

Poireau: A Lightweight Heap Allocation Debugger

Poireau is a lightweight library for debugging memory allocation issues. It generates a statistically representative overview of an application's heap footprint by intercepting a small fraction of calls to malloc/calloc, etc., with minimal performance impact. Poireau uses Linux perf for tracing and an external script for analysis, pinpointing memory leaks and other problems. Its advantages include low invasiveness, ease of auditing, and suitability for production use, even providing information after a crash.

(github.com)

Development memory debugging

Kangaroo: Efficient Flash Caching of Billions of Tiny Objects

2025-05-22

Kangaroo: Efficient Flash Caching of Billions of Tiny Objects

Facebook and Carnegie Mellon University collaborated on Kangaroo, a novel flash cache designed for efficient caching of tiny objects (around 100 bytes or less). Addressing limitations of existing flash cache designs, Kangaroo minimizes DRAM usage and write amplification. Implemented within Facebook's open-source CacheLib, it's easily integrated. Tests using Facebook and Twitter production data show Kangaroo reduces cache misses by 29%, significantly reducing backend storage load and proving highly effective for applications dealing with massive numbers of small objects, such as social media.

(engineering.fb.com)

Tech flash cache tiny objects

Graphical Debugging of the Hilbert Curve: A Visual Programming Journey

2025-05-22

The author advocates for a minimalist programming style and uses Lua and LÖVE to graphically debug a recursive function for computing the Hilbert curve. Through iterative visualization improvements, including a text log, replay log, surface drawing, and an 'exploding view' drawing, the author clarifies the algorithm's complexities. The process culminates in a sophisticated debugging UI, offering valuable insights and reusable patterns for future debugging tasks.

(akkartik.name)

Development graphical debugging

Tackling High Memory Consumption When Parsing Large JSON Files with Pydantic

2025-05-22

Tackling High Memory Consumption When Parsing Large JSON Files with Pydantic

High memory consumption is a common problem when using Pydantic to process large JSON files. This article analyzes the reasons for high memory usage with Pydantic's default JSON loading and proposes two solutions: using the ijson library for incremental JSON parsing to reduce memory usage during parsing, and converting Pydantic models to dataclasses with `slots` to reduce object memory consumption. Experimental results show that combining these two methods can reduce memory usage to one-fourth of the original, effectively solving the memory bottleneck of processing large JSON files.

(pythonspeed.com)

Development JSON parsing Memory optimization

Cheating at Settlers of Catan: Loaded Dice and P-values

2025-05-22

This article details an experiment to create loaded dice for Settlers of Catan, aiming to gain 5-15 extra resource cards per game. The author submerged one side of the dice to increase its weight, skewing the results. While statistical tests confirmed the dice bias, the author argues that the limited number of rolls in a typical game prevents opponents from scientifically proving cheating using standard p-value tests. The article discusses flaws in p-value analysis and highlights the use of more sophisticated methods like Bayes factors.

(izbicki.me)

Game Settlers of Catan Statistics Cheating

US to Stop Making Pennies: A Costly Tradition Bites the Dust

2025-05-22

US to Stop Making Pennies: A Costly Tradition Bites the Dust

The US Treasury is phasing out the penny. Production of new one-cent coins will cease once existing blanks are used up. This move, driven by the fact that producing a penny costs over three cents, follows President Trump's earlier order to halt production. While consumers can still use existing pennies, businesses will round cash transactions to the nearest nickel. The Treasury estimates $56 million in annual savings, but increased nickel demand might offset this. This echoes Canada's previous elimination of the penny, highlighting a trend towards efficiency and waste reduction.

(www.cnn.com)

Tech penny coin US Treasury

Beyond Sorting: Deep Learning for Order-Independent Transparency

2025-05-22

Beyond Sorting: Deep Learning for Order-Independent Transparency

Traditional transparency rendering relies on depth sorting, which can lead to artifacts in complex scenes. This Eurographics 2025 paper explores Order-Independent Transparency (OIT), a technique that accurately renders transparent objects without depth sorting. It covers traditional OIT approaches (exact, approximate, and hybrid) and deep learning methods, analyzing their scope, performance, and accuracy for more realistic transparency in games, simulations, and film visual effects.

(www.tobias-franke.eu)

Development transparency rendering

Pi: Blazing Fast and Accurate App Metric AI

2025-05-22

Pi: Blazing Fast and Accurate App Metric AI

Pi is a revolutionary AI tool that automatically identifies and measures key application metrics. Simply provide app prompts, PRDs, user feedback, or have a chat with it, and Pi will quickly help you determine the best calibrated metrics for your application. Powered by the Pi Scorer foundation model, it outperforms Deepseek and GPT 4.1 in accuracy while maintaining the size and speed of GPT Mini and Gemini Flash, scoring 20+ custom dimensions in under 100 milliseconds. Furthermore, Pi seamlessly integrates into your AI stack and existing tools like Google Spreadsheets, Promptfoo, and CrewAI for offline evaluations, online observability, training data quality, model optimization, agent control flows, and more.

(withpi.ai)

AI App Metrics

AI 2027: A Chilling AI Prophecy or a Well-Crafted Tech Thriller?

2025-05-22

AI 2027: A Chilling AI Prophecy or a Well-Crafted Tech Thriller?

A report titled 'AI 2027' has sparked heated debate, painting a terrifying picture of a future dominated by superintelligent AI, leaving humanity on the sidelines. The report, written in the style of a thriller and supported by charts and data, aims to warn of the potential risks of AI. However, the author argues that the report's predictions lack rigorous logical support, its estimations of technological advancement are overly optimistic, and its assessment of various possibilities and probabilities is severely lacking. The author concludes that the report is more of a tech thriller than a scientific prediction, and its alarmist tone may actually accelerate the AI arms race, counteracting its intended purpose.

(garymarcus.substack.com)

AI tech thriller

Is Your Authorization System About to Explode? Five Warning Signs

2025-05-22

Is Your Authorization System About to Explode? Five Warning Signs

This article outlines five signs indicating potential problems with your application authorization system: permissions are a simple dictionary; updating role permissions requires changes in many places; inability to clearly answer 'what can an admin do?'; future need for custom roles and permissions; plans to break up the monolith into microservices. The article suggests using a declarative authorization model, centralizing authorization logic into a single service, and choosing an authorization platform designed for scalability and distributed systems, such as Oso, to address these issues.

(www.osohq.com)

Development

Pocket Read-It-Later App Shutting Down in 2025

2025-05-22

The popular read-it-later app, Pocket, will be shutting down on July 8, 2025. Users will have until October 8, 2025 to export their saved content before all data is permanently deleted. The decision comes as user web browsing habits evolve, and Mozilla is refocusing resources on projects better aligned with those habits. Pocket's email newsletter will be rebranded as "Ten Tabs" and continue offering curated content.

(support.mozilla.org)

Misc read-it-later shutdown

Moscow's Mandatory Tracking App for Foreign Nationals

2025-05-22

Moscow's Mandatory Tracking App for Foreign Nationals

A new Russian law mandates that all foreign nationals in the Moscow region install a tracking app. This app collects residence location, fingerprints, facial photographs, and real-time geolocation data. While presented as a crime-fighting measure targeting migrant crime, the law has sparked privacy concerns. Critics argue it violates Russia's constitutional right to privacy and may deter potential labor migrants. The mass-surveillance experiment runs until September 2029, with potential expansion nationwide if deemed successful.

(www.bleepingcomputer.com)

Tech

Critique of Misleading Benchmarks in Formal Methods

2025-05-22

Critique of Misleading Benchmarks in Formal Methods

A paper uses misleading statistics when applying formal methods to verify operating system code. The author criticizes the flawed methodology of simply comparing "proof-to-code ratios", as it ignores the completeness and complexity of specifications. The article points out that proof size has an approximately quadratic relationship with specification size, and specification complexity is far more important than code size. By analyzing multiple verified systems, the author presents more comprehensive data, including code size, specification size, and proof size, and highlights the role of modularity in reducing verification costs, but also notes that complex systems like seL4 are difficult to modularize. Ultimately, the author calls on the research community to stop using the meaningless "proof-to-code ratio" metric.

(microkerneldude.org)

Development

Anthropic Unveils Claude 4: Next-Gen Models for Coding and Advanced Reasoning

2025-05-22

Anthropic Unveils Claude 4: Next-Gen Models for Coding and Advanced Reasoning

Anthropic has launched Claude Opus 4 and Claude Sonnet 4, setting a new bar for coding, advanced reasoning, and AI agents. Opus 4 is touted as the world's best coding model, excelling in complex, long-running tasks and agent workflows. Sonnet 4 significantly improves upon its predecessor, offering superior coding and reasoning with more precise instruction following. The launch also includes extended thinking with tool use (beta), new model capabilities (parallel tool use, improved memory), the general availability of Claude Code (with GitHub Actions, VS Code, and JetBrains integrations), and four new Anthropic API features. Both models are available via the Anthropic API, Amazon Bedrock, and Google Cloud's Vertex AI.

(www.anthropic.com)

AI Coding Model

DockFlow: One-Click Dock Layout Switching for macOS

2025-05-22

DockFlow: One-Click Dock Layout Switching for macOS

Frustrated by constantly rearranging his macOS Dock for different workflows, a developer created DockFlow. This productivity app lets you switch between pre-configured Dock layouts (design, coding, writing, meetings, etc.) with a single click. No more hunting for apps or dragging icons—DockFlow streamlines your workflow, boosting focus and productivity.

(dockflow.appitstudio.com)

Development

The Wallflower Fractal: A Decade-Long Mathematical Odyssey

2025-05-22

Starting from a simple geometric doodle from middle school, the author delves into a decade-long mathematical exploration. The fractal pattern, affectionately called "the wallflower," can be generated using iterative algorithms or L-systems. The author discovers subtle differences between the patterns generated by these two methods, and reveals the connection between them through the introduction of a matrix base number system and vector digits, explaining the origin of the "approximately 27-degree" rotation angle. Further, the author explores 3D and 4D extensions of the fractal and proposes a novel number system based on quaternions. This article is full of mathematical ingenuity and surprising discoveries, showcasing the beauty of mathematics and the joy of exploration.

(chriskw.xyz)

Misc

Rebuilding Social Media: A New Hope for a Broken System

2025-05-22

The author argues that current social media platforms prioritize daily active users, engagement, user-generated content, and monetization, neglecting their core function: facilitating social interaction. The platforms' incentive structures lead to issues like fake accounts, low-quality content, and data privacy breaches. This article will delve into these problems and, in subsequent articles, propose potential solutions for building a new social media app in 2025, aiming to create a truly user-serving social space.

(www.scottgoci.com)

Misc platform improvement

MCP: Simplifying AI Integration with a New Protocol

2025-05-22

The Model Context Protocol (MCP) is an emerging protocol designed to simplify the integration of AI applications with various data sources and tools. It reduces integration friction by transforming the M × N integration problem into an M + N problem. MCP servers connect to data sources and expose tools, while MCP clients (typically part of AI applications) can connect to any MCP server. The author demonstrates how to easily integrate an AI application with CKAN data using a CKAN open data access MCP server and utilizes the Claude desktop application for data analysis. While MCP isn't a silver bullet, it offers a more convenient and flexible way for AI application development, especially in scenarios that require integration with multiple external systems.

(blog.nilenso.com)

AI

Hagakure: Death, Loyalty, and the Way of the Samurai

2025-05-22

Hagakure: Death, Loyalty, and the Way of the Samurai

This excerpt from Hagakure explores the Bushido code. The author emphasizes that the essence of Bushido lies in readiness for death and unwavering loyalty to one's master. Through historical anecdotes and philosophical reflections, the text details the virtues of loyalty, courage, self-discipline, and proper conduct expected of a samurai, showcasing the depth and intensity of the Bushido ideal.

(hagakure.space)

Misc Bushido Loyalty

Google Gemini: Your Data, Its Secret Weapon

2025-05-22

Google Gemini: Your Data, Its Secret Weapon

Google's Gemini AI model is leveraging user data to gain a significant advantage over competitors like OpenAI and Anthropic. By accessing users' search history, Gmail, Google Drive, and more, Gemini generates personalized responses, even mimicking users' writing styles. For example, when planning a trip, Gemini can use information from users' emails and files to provide more relevant suggestions. This approach, utilizing personal data, allows Gemini to surpass other AI models like ChatGPT in understanding users, providing a more helpful and personalized experience from the first interaction.

(www.theverge.com)

AI

Winamp 2.9 Reimagined in Godot: A Cross-Platform Nostalgia Trip

2025-05-22

Winamp 2.9 Reimagined in Godot: A Cross-Platform Nostalgia Trip

A developer has recreated the classic music player Winamp 2.9 using the Godot engine, achieving full cross-platform compatibility. Initially a submission for Tool Jam 5, this project is evolving into a customizable player that captures the old internet aesthetic while leveraging modern tools for any platform. It boasts basic playback controls, playlist functionality, a working 10-band equalizer, and visualizers. The developer emphasizes this is a free, non-commercial project; all rights belong to their respective owners.

(github.com)

Development

Python Package Installation Failures: aiohttp, cryptography, grpcio, and s3fs

2025-05-22

During a Python package installation, four packages, aiohttp, cryptography, grpcio, and s3fs, failed to install. aiohttp failed due to a compiler error involving an unknown type name '__pyx_vectorcallfunc', likely related to compiler or Cython version incompatibility. cryptography failed because its dependency, the asn1 package, requires rustc 1.65.0 or higher, while the current version is 1.63.0. grpcio failed because of a C++ compiler error, preventing extension compilation. s3fs showed the same error as aiohttp, also pointing towards compiler or Cython version compatibility issues. Other packages, such as boto3 and requests, installed successfully.

(ft-checker.com)

Development compilation errors

US Intel Agencies Build a 'Data Supermarket': Privacy Nightmare?

2025-05-22

US Intel Agencies Build a 'Data Supermarket': Privacy Nightmare?

US intelligence agencies are building a centralized database called the "Intelligence Community Data Consortium" to purchase and analyze massive amounts of commercially available information (CAI), including sensitive personal data like location data and social media content. This bypasses the Fourth Amendment, raising serious privacy concerns. While officials claim adherence to civil liberties and privacy best practices, critics argue this creates a "one-stop shop" for mass data collection and analysis, utilizing AI, including the controversial "sentiment analysis," which can lead to discrimination and privacy violations. The project may also be used by law enforcement to target non-citizens.

(theintercept.com)

Tech

Whenish: Plan Events Directly in iMessage

2025-05-22

Whenish: Plan Events Directly in iMessage

Whenish streamlines event planning by integrating directly into iMessage. Users create date polls, select their availability, and receive real-time responses all within the chat. No more endless text chains or app-switching; simply tap the Whenish icon, pick your dates, and send. Perfect for coordinating group dinners, weekend getaways, family events, or work meetings.

(apps.apple.com)

Development event planning

DIY iOS Music Player: A Developer's Revolt Against Apple's Lock-in

2025-05-22

Frustrated with Apple Music's limitations and subscription model, a developer built their own iOS music player from scratch. The player boasts local file playback, iCloud sync, and full-text search, cleverly leveraging SQLite's FTS5 for efficient fuzzy search. The development journey saw a shift from React Native to SwiftUI, employing a backend-like architecture for streamlined data flow and concurrency. While the final product fulfills the developer's needs, the experience highlights Apple's restrictive developer tools and app distribution policies, hindering personal app development in stark contrast to the ease of software creation in the AI era.

(nexo.sh)

Development Music Player

Signal Fights Back Against Microsoft's Invasive Screenshot Feature

2025-05-22

Signal Fights Back Against Microsoft's Invasive Screenshot Feature

Privacy-focused messaging app Signal is taking a stand against Microsoft's Recall feature, an AI-powered screenshot tool that captures screen activity. To protect user privacy, Signal has enabled a default "Screen security" setting on Windows 11 that blocks Recall from capturing Signal chats. Signal states this was a necessary measure as Microsoft hasn't provided alternative ways to prevent Recall's data collection. This solution, while impacting some users' accessibility, underscores Signal's commitment to privacy and calls for Microsoft to prioritize user data protection.

(betanews.com)

Tech

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