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Major Math Error Corrected in Black Plastic Study; Authors Say It Doesn't Matter

2024-12-20
Major Math Error Corrected in Black Plastic Study; Authors Say It Doesn't Matter

A study reporting toxic flame retardants from electronics in black plastic household products, including kitchen utensils, contained a significant mathematical error. The initial findings suggested exposure levels were near the safety limit, causing public alarm and prompting articles advising people to discard their kitchenware. A correction revealed the actual exposure is far below the safe limit. While the overall conclusion—that flame retardants significantly contaminate plastic products—remains, the study also found contamination is uncommon, affecting only a minority of products.

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(arstechnica.com)
Tech flame retardant black plastic math error correction

Radxa Orion O6: World's First Open-Source Armv9 Motherboard Debuts

2024-12-20
Radxa Orion O6: World's First Open-Source Armv9 Motherboard Debuts

Radxa, in collaboration with partners, has unveiled the Radxa Orion O6, claimed as the world's first open-source Armv9 motherboard—more accurately, a single-board computer (SBC). Powered by CIX's CD8180 SoC, it boasts 12 CPU cores (including four Cortex-A720 cores up to 2.8GHz) and an Arm Immortalis G720 GPU, offering impressive performance with 8K video decoding and encoding capabilities and a 30 TOPS NPU. RAM options range from 8GB to 64GB (soldered DDR5-5500). The board is packed with I/O, including multiple M.2 slots, a PCIe x16 slot, and multi-gigabit Ethernet. Currently supporting Debian and Fedora Linux, with Windows and Android support planned. Pricing starts at $200 for the 8GB model.

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(www.tomshardware.com)
Hardware Single-Board Computer Open-Source Hardware

ByteDance Open-Sources Monolith, its Recommendation System Framework

2024-12-20
ByteDance Open-Sources Monolith, its Recommendation System Framework

ByteDance has open-sourced Monolith, a deep learning framework for large-scale recommendation modeling. Built on TensorFlow, it supports batch and real-time training and serving. Key features include collisionless embedding tables ensuring unique representation for different ID features, and real-time training for capturing the latest trends and helping users discover new interests. Tutorials and demos are provided to facilitate usage.

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(github.com)
AI Recommendation System

Intel Core Ultra 9 285K "Arrow Lake": Windows 11 vs. Ubuntu Linux Performance Showdown

2024-12-20

Phoronix conducted a comprehensive benchmark comparing the performance of Intel's flagship Core Ultra 9 285K "Arrow Lake" processor on Windows 11 and Ubuntu Linux. Testing included various Linux kernel versions and power management settings. Results showed Linux sometimes edging out Windows in performance, thanks to Linux's flexibility and optimizations for newer kernels. The benchmarks highlight the impact of OS choice on processor performance, offering valuable insights for users choosing an operating system.

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(www.phoronix.com)
Hardware processor performance OS comparison

One Click, Half a Million Lost: Sophisticated Crypto Phishing Scam Exploits Google Services

2024-12-20

Two victims lost nearly $500,000 in cryptocurrency after clicking on a fraudulent Google account recovery prompt. Scammers used a real Google phone number, forged Google security emails, and tricked victims into clicking a Google prompt on their phones, gaining control of their Gmail accounts. One victim's mistake was storing a picture of their cryptocurrency wallet's seed phrase in Google Photos, giving the scammers easy access to their funds. This incident highlights vulnerabilities in Google's authentication system and the sophistication of scammers using Google services for high-tech phishing attacks.

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(krebsonsecurity.com)
Tech phishing cryptocurrency security google authentication

Open-Source Game Engine boardgame.io Simplifies Turn-Based Game Development

2024-12-20
Open-Source Game Engine boardgame.io Simplifies Turn-Based Game Development

boardgame.io is an open-source JavaScript game engine designed to simplify the development of turn-based games. By automatically handling complex aspects like state management, multiplayer networking, and AI opponents, developers can focus on writing game logic. The engine supports multiple game phases, lobbies for matchmaking, prototyping capabilities, and various view layer technologies (such as React and React Native). Its powerful plugin system and traceable game logs further enhance development efficiency and player experience.

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(github.com)
Development turn-based game

WordPress.org Pauses Services for Holiday Break

2024-12-20

To give volunteers a holiday break, WordPress.org is temporarily pausing several free services: new account registrations, new plugin/theme submissions, and new photo directory submissions. Forums and localization remain open. Founder Matt Mullenweg explains that legal battles with WP Engine are consuming significant time and resources, hindering his work on WordPress improvements. He urges support for WordPress.org and suggests using alternative web hosts not involved in the litigation.

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(wordpress.org)
Development Holiday Break Legal Battle

Hugging Face Open-Sources 'Search and Learn'

2024-12-20
Hugging Face Open-Sources 'Search and Learn'

Hugging Face has open-sourced a project called 'Search and Learn,' focusing on the scalability of search and learning methods with massive computation. The project includes replicable experimental results with provided code and configuration files. The research highlights the power of general-purpose methods in scaling with increased computation, emphasizing search and learning as two methods that demonstrate excellent scalability.

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(github.com)
AI Model Scaling

Waymo's Autonomous Vehicles Outperform Human Drivers in Safety

2024-12-20

Analyzing 25.3 million autonomous miles of Waymo's data, using third-party auto liability insurance claims, a study reveals that Waymo's Automated Driving System (ADS) significantly outperforms both the general driving population and a benchmark of latest-generation human-driven vehicles (2018-2021 models). The ADS showed an 88% reduction in property damage claims and a 92% reduction in bodily injury claims compared to the general population, and an 86% and 90% reduction respectively compared to the latest-generation HDV benchmark. This validates ADS safety at scale and provides a new methodology for ongoing evaluation, impacting transportation safety policies, insurance risk assessments, and public acceptance of autonomous vehicles.

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(waymo.com)
AI Autonomous Vehicles Safety Performance

GitHub Open Sources Fully Documented Commodore 64 Elite Source Code

2024-12-20
GitHub Open Sources Fully Documented Commodore 64 Elite Source Code

A fully documented and annotated source code for the classic Commodore 64 game Elite has been open-sourced on GitHub. This repository provides four variants of the source code, catering to different hardware platforms and build processes. Developers can explore the meticulously commented source code to understand Elite's inner workings and even compile a playable D64 disk image on modern machines using the provided Makefile, runnable on emulators or real hardware. This project aims to help appreciate this iconic 8-bit game, offering significant educational and archival value.

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(github.com)
Game Game Source Code

Visualizing Concurrency: A Guide to Understanding Program State Space

2024-12-20

Concurrent programming is notoriously complex due to the difficulty of enumerating all possible states. This article uses visualization to explain how to understand the mechanics of concurrent program execution. It begins by introducing the concept of program state, which is a combination of variable values and instruction location, and then demonstrates the transition process of program states and the generation of state space using a simple C-like program example. The article then introduces concurrent programs, and, using two concurrently executing programs, P and Q, it explains how to represent the state of a concurrent program and the construction of the state space. Finally, the article explores how to use the model checking tool SPIN and the LTL language to verify the correctness of concurrent programs, highlighting the important role of model checking in ensuring the correctness of concurrent programs.

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(wyounas.github.io)
Development state space model checking

Warning Future Generations: The 10,000-Year Challenge of Nuclear Waste

2024-12-20
Warning Future Generations: The 10,000-Year Challenge of Nuclear Waste

The Waste Isolation Pilot Plant (WIPP) in New Mexico faces a daunting task: communicating the dangers of nuclear waste to future generations 10,000 years from now. The impermanence of language and symbols proved challenging. Experts explored various solutions, from genetically engineered "ray cats" that glow near radiation to a forbidding "landscape of thorns." Ultimately, the most enduring warning might be woven into cultural narratives and belief systems, creating a lasting legend like that of the "ray cats" to warn future people of the danger.

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(99percentinvisible.org)
Tech nuclear waste future warning cultural transmission

A Gentle Introduction to Graph Neural Networks: Unveiling the Power of Graph Data

2024-12-20
A Gentle Introduction to Graph Neural Networks: Unveiling the Power of Graph Data

This article provides an accessible introduction to Graph Neural Networks (GNNs). It begins by explaining graph data and its real-world applications, such as social networks, molecular structures, and text. The article then delves into the core components of GNNs, including message passing, pooling operations, and various types of graph data. By building a modern GNN model step-by-step, it clarifies the role and motivation behind each component's design. Finally, it offers an interactive GNN playground, allowing readers to experience firsthand the construction and prediction process of a GNN model, deepening their understanding.

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(distill.pub)
AI Graph Neural Networks Graph Data

How Browsers Interpret 'chucknorris' as a Color

2024-12-20
How Browsers Interpret 'chucknorris' as a Color

This article explores how browsers handle invalid color values in HTML, such as interpreting 'chucknorris' as red. The author explains the browser's tolerance in parsing HTML, attempting to convert invalid values into valid ones. The process of how browsers parse invalid color values is described, with a CodePen link provided demonstrating the process. The author argues that this browser tolerance is a charm of the web, allowing even invalid code to run, showcasing the web's resilience.

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(htmhell.dev)
Development HTML parsing color values browser tolerance

Lifelike Raven Animatronic: A Maker's Journey

2024-12-20
Lifelike Raven Animatronic: A Maker's Journey

This blog chronicles the creation of a highly realistic raven animatronic. The author details the process from initial design and construction to programming intricate movements like beak synchronization with sound and realistic eye blinking. Challenges encountered and solutions implemented are shared, offering valuable insights for aspiring roboticists and anyone interested in the intersection of technology and art. The blog showcases a fascinating blend of creativity and engineering.

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(theanimatronicmenagerie.wordpress.com)
Hardware animatronics

Clinical Trials Bottleneck: Culture, Regulation, and Innovation Stalled

2024-12-20
Clinical Trials Bottleneck: Culture, Regulation, and Innovation Stalled

This blog post explores the high costs and inefficiencies of clinical trials. The authors argue the root problem lies in industry culture—an overemphasis on safety that neglects the risks of inaction. This leads to regulatory overreach, such as restrictions on patient compensation and slow adoption of innovative methods (like risk-based monitoring). The post calls for a cultural shift, increased transparency, and policy adjustments to incentivize innovation, ultimately speeding up drug development.

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(www.writingruxandrabio.com)
Tech clinical trials regulation

NASA's GUARDIAN System Uses GNSS Data to Enhance Tsunami Early Warning

2024-12-20
NASA's GUARDIAN System Uses GNSS Data to Enhance Tsunami Early Warning

NASA has developed GUARDIAN, a near real-time ionospheric monitoring software system that leverages Global Navigation Satellite System (GNSS) data from NASA's Jet Propulsion Laboratory's (JPL) Global Differential GPS (GDGPS) network to detect natural hazards. By analyzing ionospheric perturbations, GUARDIAN supplements existing early warning systems, particularly for tsunamis. Currently, it's the only system publicly providing multi-GNSS near real-time total electron content (TEC) time series data over the Pacific, significantly contributing to improved tsunami warning accuracy and timeliness.

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(www.earthdata.nasa.gov)
Tech Tsunami Early Warning Ionospheric Monitoring

Home Assistant Unveils Open-Source Voice Assistant Hardware

2024-12-20
Home Assistant Unveils Open-Source Voice Assistant Hardware

Home Assistant has launched Voice Preview Edition, hardware for its open-source voice assistant, Assist. Priced at $59, this device boasts advanced audio processing, a sleek design, and extensive customization options, aiming to deliver a private and open voice assistant experience. Seamlessly integrating with Home Assistant, it supports local voice processing and allows for customization of both software and hardware. This preview edition accelerates Assist's development, ultimately aiming to surpass existing voice assistants, support more languages, and offer users greater choice.

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(www.home-assistant.io)
Hardware voice assistant open-source hardware

Python Weekly Roundup: Markitdown Released, Conda Package Management Debate Heats Up

2024-12-20

This week's Python news includes the release of Microsoft's Markitdown (a tool for converting files to Markdown), PDFMathTranslate (a scientific paper translation tool), and docling (a document preparation tool). Additionally, PEP 768 proposes adding a safe external debugger interface to CPython for real-time debugging. A heated discussion erupted regarding the complexities of Conda package management, analyzing its issues such as version conflicts, virtual environment management, and interactions with pip and setuptools. Finally, Markdown usage sparked a debate highlighting compatibility problems due to differences between various Markdown parsers.

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(pyherald.com)
Development

GribStream: A Fast and Efficient Historical Weather Forecast API

2024-12-20
GribStream: A Fast and Efficient Historical Weather Forecast API

GribStream is a fast, efficient, and easy-to-use historical weather forecast API leveraging the National Blend of Models (NBM) and the Global Forecast System (GFS). It provides access to massive historical weather data; a single HTTP request can retrieve tens of thousands of hourly data points for months in seconds. The API supports various output formats (CSV, Parquet, JSON, etc.) and location queries. Its cost-effective pricing and powerful features allow developers to easily access the data they need without downloading and archiving.

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(gribstream.com)
Development historical data

8-Day Western Ghats Road Trip in Karnataka from Bangalore

2024-12-20
8-Day Western Ghats Road Trip in Karnataka from Bangalore

This travelogue details Priyanka's captivating 8-day road trip from Bangalore, exploring Karnataka's Western Ghats. The itinerary covers Sakleshpur, Udupi, Nittur/Kollur, Jog Falls, Sringeri, Chikkamanagaluru, and Hassan, featuring numerous temples, waterfalls, beaches, and historical sites. The journey is vividly recounted through daily entries, showcasing scenic beauty, cultural immersion (including a Kola performance), and practical travel tips. It's a captivating blend of narrative and helpful information for potential travelers.

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(travelswithpriyanka.substack.com)
Misc travel India Western Ghats

Apple's Power Mac 4400: A Failed Attempt at a Budget Mac

2024-12-20
Apple's Power Mac 4400: A Failed Attempt at a Budget Mac

Released in 1996, Apple's Power Mac 4400 aimed for the small business market with a low price point. However, this machine became infamous for its cheap PC-style case, poor build quality, and frequent crashes. Inside, cost-cutting measures resulted in a "Tanzania" motherboard shared with Mac clones, leading to poor performance, compatibility issues (it couldn't even boot System 7.5.5), and a generally disappointing user experience. Discontinued in 1998 after the Power Mac G3's release, the 4400 is considered one of Apple's biggest failures, often described as a Mac version of a Gateway 2000.

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(512pixels.net)
Hardware Apple Computer failed product

Kelly Can't Fail: A Zero-Variance Gambling Game

2024-12-19
Kelly Can't Fail: A Zero-Variance Gambling Game

This article presents a card game called "Next Card Bet," where the Kelly betting strategy, typically known for its high variance, surprisingly exhibits zero variance. By counting the remaining red and black cards, the player calculates the optimal bet fraction to maximize the expected logarithm of their stake. Python simulations demonstrate consistent returns of approximately 9.08 times the initial stake across 10,000 runs, showing no variance. The article explains this zero-variance property by showing the Kelly strategy's equivalence to a portfolio strategy that distributes bets across all possible card arrangements. This portfolio strategy guarantees a specific return, independent of the card order, thus explaining the zero variance of the Kelly strategy in this unique game.

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(win-vector.com)
Misc Kelly Criterion Zero Variance Gambling Game

OwlEars Launches OwlBrain AI for Unfiltered Customer Feedback

2024-12-19
OwlEars Launches OwlBrain AI for Unfiltered Customer Feedback

OwlEars, the creator of the world-famous feedback platform Sarahah, has launched OwlBrain AI. This new platform allows businesses to collect pure, raw feedback directly from their customers' minds. Unlike lengthy surveys, customers can easily share their thoughts via link, QR code, or website widget. OwlBrain AI provides AI-powered insights to help businesses improve their products and services. A 15-day free trial is available, no credit card required.

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(www.owlears.com)
Startup customer feedback

Spotify's Ghost Artists: The Algorithm's Dark Secret

2024-12-19
Spotify's Ghost Artists: The Algorithm's Dark Secret

This article exposes Spotify's 'Perfect Fit Content' (PFC) program, which secretly fills its playlists with low-cost 'ghost artists' to reduce royalty payouts. These ghost artists, mass-produced by production companies, lack artistic merit but dominate popular playlists, squeezing out independent musicians. This practice has angered artists and industry insiders, raising concerns about the devaluation of music and the future of streaming. It reveals streaming services' disregard for artistic integrity and musician rights in their pursuit of profit maximization.

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(harpers.org)
Tech streaming ghost artists

Introducing NDEF: The Language of NFC

2024-12-19
Introducing NDEF: The Language of NFC

This chapter introduces the Near Field Communication (NFC) Data Exchange Format (NDEF), the common language for NFC devices and tags. NDEF is a binary format structured in messages, each containing several records. Each record comprises a header (metadata) and a payload (content). The chapter details the structure of NDEF records, including Type Name Format, Payload Type, Payload Identifier, and Payload, and shows how to write and read NDEF-formatted messages using Android apps. It also covers NDEF message size limits and record chunking for larger payloads. Finally, a sample application demonstrates creating a simple NFC tag writer app using the PhoneGap-NFC plugin, writing NDEF messages to tags to launch the Foursquare app.

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(www.oreilly.com)
Development

Historic Dwingeloo Radio Telescope Receives Signals from Voyager 1

2024-12-19

The historic Dwingeloo radio telescope in the Netherlands, a national monument built in 1956, has successfully received faint signals from Voyager 1, nearly 25 billion kilometers from Earth. Despite the telescope's design frequency not matching Voyager 1's 8.4 GHz telemetry, researchers overcame this by mounting a new antenna and correcting for the Doppler shift. This achievement showcases the ingenuity of adapting older technology for remarkable feats and highlights humanity's enduring quest for space exploration.

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(www.camras.nl)
Tech Voyager 1 radio telescope

Type-Driven Development: How Types Simplify Complex Programming

2024-12-19
Type-Driven Development: How Types Simplify Complex Programming

This article explores the concept of "Type-Driven Development," where the author, drawing from experience with the large-scale Heartbeat Typescript project (300k+ lines), demonstrates how Typescript's type system simplifies complex programming problems. The core idea is that by leveraging the type system effectively, allowing types to flow freely across all application layers, starting new features with type definitions, making illegal states unrepresentable, parsing instead of validating data, and maintaining code honesty and specificity, bugs are drastically reduced and development efficiency is improved. The author also shares techniques for using pure functions as type bridges and the type system as an introspection tool, while acknowledging the occasional need to bypass type system constraints.

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(mayhul.com)
Development Type-Driven Development Software Development

Beyond Code Yellow: A Startup's Guide to Tackling Tough Problems

2024-12-19

This article, penned by a seasoned tech executive turned investor turned founder, shares insights from his experiences at Instacart and Beacon. He critiques the overuse of 'Code Yellow' – a crisis-mode problem-solving approach – noting its effectiveness but also its negative impact on team morale. He proposes a more sustainable alternative: 'Sweating the Problem.' This involves removing hidden constraints (e.g., the 'keep the lights on' fallacy), running multiple solutions in parallel, avoiding premature scaling concerns, and breaking down departmental silos. The core is building team resilience and problem-solving muscle, fostering a culture where proactively tackling tough challenges is the default.

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(nilam.ca)
Startup problem-solving team management
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