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Eventual Consistency: Challenges and Patterns in Distributed Systems

2024-12-13

Eventual consistency is unavoidable in distributed systems. This article explores four common patterns for handling eventual consistency: event-based eventual consistency, background sync eventual consistency, saga-based eventual consistency, and CQRS-based eventual consistency. Each pattern has its advantages and disadvantages. For example, the event-based pattern emphasizes loose coupling and scalability, but consistency takes time; while the saga-based pattern is suitable for complex, long-running transactions, ensuring consistency through compensating transactions. The choice of pattern depends on the specific needs and trade-offs of the system.

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(newsletter.systemdesigncodex.com)
Development eventual consistency distributed systems architectural patterns

LLM Benchmark: Pelican on a Bicycle

2024-12-16

Simon Willison created a unique LLM benchmark: generating an SVG image of a pelican riding a bicycle. This unusual prompt aimed to test the models' creative abilities without relying on pre-existing training data. He tested 16 models from OpenAI, Anthropic, Google Gemini, and Meta (Llama on Cerebras), revealing significant variations in the quality of generated SVGs. Some models produced surprisingly good results, while others struggled.

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(simonwillison.net)
AI Image Generation

Generative AI and Fair Use: A ChatGPT Case Study

2024-12-14

This article examines whether generative AI models, particularly ChatGPT, qualify for fair use of copyrighted material. The author analyzes the four factors outlined in Section 107 of the US Copyright Act: purpose and character of use, nature of the copyrighted work, amount and substantiality of the portion used, and effect on the market. Through a case study of ChatGPT, the author argues that ChatGPT's use of its training data likely constitutes copyright infringement. ChatGPT's commercial nature and its failure to transform the training data, coupled with market harm to original works, contradict the principles of fair use.

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(suchir.net)
AI Copyright Fair Use

Springfield Weekend Weather Forecast: Sunny and Warm

2024-12-16

Springfield weather today is sunny with a temperature of 72°F, humidity at 55%, dew point of 65°F, barometric pressure of 12 PPI, north wind at 6 mph, and visibility of 35 miles. July precipitation is 1 inch. The weekend forecast predicts sunny skies and warm temperatures throughout, along with moderate humidity. Clark St. pool is back open, come on down!

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(unworld.neocities.org)
Misc weather forecast Springfield weekend weather

Recursion Pharmaceuticals Ditches Cell Painting for Brightfield Imaging

2024-12-15

Recursion Pharmaceuticals, a biotech leveraging machine learning for drug discovery, recently announced a surprising shift: abandoning its signature cell painting technique in favor of traditional brightfield imaging. This article delves into the reasons behind this change. Advances in deep learning allow models to effectively process raw images, diminishing the value of cell painting's fluorescent dyes for contrast enhancement. Brightfield imaging offers advantages in cost, ease of implementation, and compatibility with live-cell time-lapse microscopy, opening up possibilities for studying cellular dynamics. Despite the seemingly risky move, internal testing at Recursion shows brightfield imaging yielding comparable or even superior results in predicting drug perturbations.

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(www.owlposting.com)
Tech cell imaging drug development

TSMC Unveils Nanosheet Transistors: A New Era for Chips

2024-12-15

TSMC showcased its next-generation N2 (2-nanometer) process at the IEEE International Electron Devices Meeting, marking its first foray into nanosheet transistors. Compared to its N3 process, N2 boasts up to a 15 percent speed increase, 30 percent better energy efficiency, and a 15 percent density boost. This new architecture offers greater flexibility, allowing for the creation of nanosheets with varying widths on the same chip, optimizing performance for different logic units, especially SRAM. Intel's research further validated the scalability of nanosheet architecture, demonstrating a high-performing 6-nanometer gate-length transistor, pointing the way towards continued advancement in chip technology and suggesting a potential extension of Moore's Law.

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(spectrum.ieee.org)
Hardware TSMC Nanosheet Transistors 2nm Process

The Cyclic Identity for Partial Derivatives: Unraveling the Mystery of -1

2024-12-16

This article explores the cyclic identity for partial derivatives: ∂z/∂x * ∂x/∂y * ∂y/∂z = -1, rather than the intuitive 1. Through examples and various proof methods, including differential forms and geometric interpretations, the article reveals the mathematical principles behind this seemingly counterintuitive identity. The author also discusses its applications in physics and offers intuitive explanations.

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(johncarlosbaez.wordpress.com)
Misc partial derivatives differential forms mathematical physics

PhD Advisor Automates Writing Improvement with Shell Scripts

2024-12-14

To improve his PhD students' writing, an advisor created three shell scripts to detect passive voice overuse, weasel words, and duplicate words. Integrated into their LaTeX build system, these scripts encourage conscious choices for clarity and precision, rather than blind adherence to grammar rules. The advisor advocates for programmers using automation to combat writing weaknesses and recommends resources like "Style: The Basics of Clarity and Grace".

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(matt.might.net)
Development Shell scripts Technical writing Automation

Battery-Free Energy-Harvesting Holiday Card Unveiled

2024-12-14

In 2024, Jeff Keacher, Sean Beever, and Sophie created a battery-free electronic holiday card. This ingenious card cleverly harvests ambient radio waves and light energy (not from a traditional solar panel) to power its LEDs and is remotely controllable via a 2.4 GHz WiFi network. Designed for maximum power efficiency, it averages just 400 nanowatts of power consumption and can even be powered by the RF energy leaked from a microwave oven.

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(www.keacher.com)
Tech energy-harvesting battery-free wireless control

RAM Data Remanence Times: Significant Differences Between DDR4 and DDR5

2024-12-15

3mdeb conducted research testing data remanence times in different RAM types (DDR4 and DDR5). Results showed DDR5 data vanishes almost instantly after power loss, while DDR4 data persists for significantly longer, up to two minutes. This highlights critical differences in data security between RAM types. A custom UEFI application was used, writing and comparing memory patterns while accounting for temperature and humidity. This research is significant for understanding memory data security and designing more secure systems.

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(blog.3mdeb.com)
Hardware RAM data remanence

Unraveling the PPG Wave 2.2 & 2.3: An 8-bit vs. 12-bit DAC Mystery

2024-12-15

This article delves into the subtle yet significant differences between the PPG Wave 2.2 and 2.3 synthesizers. While the 2.3 utilizes 12-bit DACs, wavetable playback remains 8-bit; only samples imported via external devices fully leverage the 12-bit precision. Oscilloscope measurements reveal a unique audio processing method: two oscillators send data interleaved, resulting in a DAC output frequency double the individual oscillator sample rate. This creates a distinctive timbre and high-frequency aliasing beyond human hearing. The article also notes the relatively slow CV update rate, yet the sound retains its character.

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(till-kopper.de)
Hardware synthesizer digital audio

Programming Languages: Balancing Safety and Power

2024-12-15

This article explores the trade-off between safety and power in programming languages. The traditional view is that powerful languages, like C with its manual memory management, are inherently unsafe. However, the author argues this is outdated. Modern language research shows that greater expressiveness allows for both safety and power. The evolution of macros in Lisp, Scheme, and Racket exemplifies this, demonstrating how improved design can enhance macro capabilities while maintaining safety. Racket's macro system is presented as a best practice, combining hygienic code with powerful manipulation capabilities. The article concludes that safe and reliable systems build more capable and reliable software, and recommends resources for further learning about Racket macros.

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(lambdaland.org)
Development programming languages safety macros

2025 TV Market: Lower Prices, More Ads, and an OS War

2024-12-16

The 2025 TV market will see significant changes: Walmart's acquisition of Vizio transforms TVs into tools for giant retailers' ad businesses, potentially lowering prices but increasing ad volume. Competition between TV operating systems (OSes) will intensify, with companies like Roku facing acquisition risks. Consumer data becomes crucial, requiring users to balance privacy concerns with cost savings. While hardware innovation slows, price wars and OS competition may benefit consumers.

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(arstechnica.com)
Tech TV market advertising operating systems

Mysterious Tablet with Unknown Script Unearthed in Georgia

2024-12-14

A basalt tablet inscribed with an enigmatic language has been discovered near Lake Bashplemi in Georgia's Dmanisi region. The 24.1 x 20.1 cm tablet, featuring 60 characters (39 unique), has baffled researchers. Its symbols, possibly related to military spoils, construction, or religious offerings, bear partial resemblance to scripts from the Middle East, India, Egypt, and West Iberia, yet are distinct. Dating potentially to the Late Bronze or Early Iron Ages, the tablet adds a layer of complexity to the cultural history of the Caucasus, hinting at possible ancient cultural exchange between diverse regions.

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(archaeologymag.com)
Misc unknown script

Antimatter Propulsion: The Future of Space Exploration?

2024-12-14

A groundbreaking technology, antimatter propulsion, holds the potential to revolutionize space exploration. Antimatter annihilation offers the highest known energy density, with 100% efficiency, theoretically enabling voyages across the solar system in mere weeks or even days. However, significant challenges remain in producing, storing, and controlling antimatter, keeping the technology firmly in the theoretical realm for now. Further research and development are crucial to unlock its immense potential.

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(www.sciencedirect.com)
Tech antimatter space exploration propulsion technology

GNU Make's New --shuffle Mode: Uncovering Hidden Bugs in Parallel Builds

2024-12-16

For eleven years, elusive bugs plagued parallel builds in GNU Make. Inspired by this, a new `--shuffle` mode was developed to randomly reorder Makefile targets, simulating non-deterministic build order. This effectively revealed hidden bugs in over 30 packages, including gcc, vim, and ghc. Now part of GNU Make 4.4, this mode is accessible via `make --shuffle` or the `GNUMAKEFLAGS=--shuffle` environment variable. This powerful feature helps developers identify and resolve parallel build issues, highlighting the continuous improvement of software development tools.

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(trofi.github.io)
Development parallel build bug fixing

Reflections on Building with the Model Context Protocol (MCP): A Mixed Bag

2024-12-15

Anthropic's Model Context Protocol (MCP) aims to connect LLMs with external tools and data, allowing apps like Claude Desktop to access databases, search engines, and more. While MCP offers exciting possibilities for expanding AI application functionality, its current implementation has shortcomings. Claude Desktop only supports local servers, lacks robust handling of complex inputs, and suffers from client-side timeouts. Furthermore, improvements are needed in documentation and configuration, such as an official registry, support for asynchronous task scheduling, and multi-client collaboration, to fully realize MCP's potential for users.

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(outlore.dev)
AI Model Context Protocol

YouTube quietly downgraded its web embeds, impacting user experience

2024-12-14

YouTube recently altered its Publisher for Publishers (PfP) embedded player, removing the title link back to YouTube. This change, intended to protect advertisers since PfP allows publishers to sell their own ads, means many websites, including The Verge, now have YouTube embeds where clicking the title no longer opens the video on YouTube.com or the app. Despite efforts to communicate with YouTube, including reaching out to CEO Neal Mohan, the change remains. This highlights how large tech platforms can prioritize their own interests over user experience.

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(www.theverge.com)
Tech embedded player

Fern, a YC-backed Startup, is Hiring a Senior Frontend Engineer

2024-12-14

Fern, a Y Combinator-backed startup, is seeking a Senior Frontend Engineer with a salary of $168,000-$192,000 plus equity. Located in Williamsburg, Brooklyn, NY, this in-person role requires 4+ years of experience in frontend development, proficiency in JavaScript/TypeScript, React, and Next.js. Responsibilities include streamlining developer experience, managing frontend infrastructure, building user-facing features, and fostering strong customer relationships. Fern simplifies API usage and counts Cohere, ElevenLabs, Webflow, and Merge.dev among its clients.

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(www.ycombinator.com)
Development Frontend Engineer

White House Near Collapse: An Unprecedented Reconstruction

2024-12-14

In 1948, the White House, worn down by war damage and hasty renovations, faced imminent collapse due to structural decay and inadequate foundations. President Truman and his family were relocated, initiating a three-year comprehensive reconstruction. This project not only repaired the critical structural issues but also modernized the White House, adding basements, expanding utility spaces, and nearly doubling the number of rooms. A secret atomic bomb shelter was also constructed, reflecting the anxieties of the Cold War era. While the renovated White House was modernized, the removal of original interior elements altered its historical character.

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(en.wikipedia.org)
Misc White House Reconstruction Truman Historic Preservation

WordPress Battles Private Equity: A Fight for the Future of Open Source

2024-12-12

WordPress, the world's leading content management system, is locked in a battle with private equity firm Silver Lake and its investment, WP Engine. After receiving massive investment, WP Engine, a for-profit company built on WordPress, has aggressively exploited the WordPress trademark while contributing minimally back to the open-source community. After repeated attempts at communication failed, Automattic CEO and WordPress co-founder Matt Mullenweg took action, restricting WP Engine's access to WordPress.org resources to defend the open-source community and the future of WordPress. This conflict highlights the fundamental conflict between open-source communities and profit-maximizing private equity firms, serving as a cautionary tale about the long-term health of open-source projects.

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(automattic.com)
Development Private Equity

McKinsey to Pay $650 Million in Opioid Settlement, But Executives Avoid Charges

2024-12-14

Global consulting giant McKinsey & Company agreed to pay $650 million to settle a federal probe into its role in boosting opioid sales. While McKinsey admitted its strategies led to unsafe and unnecessary opioid prescriptions, and a former senior partner pleaded guilty to destroying documents, other executives escaped criminal charges. This highlights the ongoing issue of large corporations paying hefty fines for their role in the opioid crisis while their top executives rarely face consequences, raising concerns about corporate accountability.

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(www.npr.org)
Misc opioid crisis McKinsey corporate accountability

Mysterious Tablet with Unknown Script Unearthed in Georgia

2024-12-14

A basalt tablet inscribed with 60 enigmatic characters has been discovered near Lake Bashplemi in Georgia. The unique symbols, arranged in seven registers, bear partial resemblance to scripts from the Middle East, India, Egypt, and even West Iberia, but don't directly match any known writing system. Dating potentially to the Late Bronze or Early Iron Ages, its purpose remains a mystery, though theories include recording military spoils, construction projects, or religious offerings. The discovery suggests cultural exchange between the Caucasus and neighboring regions in antiquity.

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(languagelog.ldc.upenn.edu)
Misc ancient script archaeological discovery Georgia

Literary Review: The Achievements and Limitations of the 20th-Century Novel

2024-12-15

Edwin Frank's new book, *Stranger Than Fiction: Lives of the Twentieth-Century Novel*, explores the accomplishments of the 20th-century novel. Frank argues that novels, through formal innovations like Kafka's rambling sentences and Stein's repetitions, guide readers to slow down and savor the nuances of language. He praises novelists' efforts in expressing collective experiences, particularly the horrors of war and the awakening of self-awareness, but also points out the book's Eurocentric perspective, its insufficient attention to novels from other cultural backgrounds, and its somewhat superficial exploration of war and self-awareness.

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(thebaffler.com)
Misc 20th-century novel literary review self-awareness

Through-the-Earth Communication: Revolutionizing Underground Connectivity

2024-12-14

Traditional radio waves struggle to penetrate rock, making communication in mines and caves challenging. This article explores Through-the-Earth (TTE) communication, utilizing ultra-low frequency (300-3000 Hz) signals that propagate through rock strata. TTE systems, including portable magnetic-loop cave radios, Personal Emergency Devices (PEDs), and the innovative 'Miner Lifeline' technology, are highlighted for their crucial role in mine rescue operations and cave exploration, even after catastrophic events like fires or explosions.

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(en.wikipedia.org)
Tech Through-the-Earth Communication Mine Communication Emergency Rescue

DOOM Ported to Run Entirely on AMD GPUs

2024-12-15

An AMD developer has successfully ported the classic game DOOM to run almost entirely on AMD GPUs. Leveraging the ROCm library and the LLVM libc C library, the port offloads rendering and game logic to the GPU, handling OS functions via an RPC interface. This impressive feat showcases the potential of the LLVM C library for GPU programming and opens exciting possibilities for game development.

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(www.phoronix.com)
Game GPU Gaming

Raspberry Pi 500 Modder Successfully Adds M.2 Slot

2024-12-15

A Raspberry Pi enthusiast successfully added an M.2 slot to the Raspberry Pi 500! While the Pi 500 has the header, the slot itself is absent, leading to some controversy. The modder soldered on four tiny capacitors and used a bench power supply to power a bottom pad, enabling the use of NVMe SSDs and other PCIe devices. This modification requires excellent SMD soldering skills and has sparked discussion about the Pi 500's design choices; speculation includes reserving the feature for a future premium model.

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(www.jeffgeerling.com)
Hardware Raspberry Pi 500 M.2 slot Hardware Mod

Efficient Cloud-Native Raster Data Access: An Alternative to Rasterio/GDAL

2024-12-15

The exponential growth of Earth observation data in cloud storage necessitates efficient access and analysis of satellite imagery. This article introduces an alternative cloud-native raster data access approach to Rasterio/GDAL. Traditional GeoTIFFs are inefficient, while Cloud-Optimized GeoTIFFs (COGs) improve efficiency through tiling and multi-resolution access. However, even with COGs, tasks like time-series NDVI analysis suffer from latency. The authors leverage STAC GeoParquet, combined with pre-calculated byte ranges, to reduce HTTP requests, significantly speeding up data access. Initial tests show this approach drastically reduces time-to-first-tile for Sentinel-2 data and lowers costs. A future open-source library, "Rasteret," will implement these techniques.

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(blog.terrafloww.com)
Tech Cloud-native Raster data

Negotiating with Infringers: A Better Option for Creative Professionals

2024-12-16

When a creative professional's copyright is infringed, litigation isn't the only option. This article's author, a lawyer, suggests considering negotiation with the infringer. Negotiation is quicker and cheaper than litigation and may yield benefits beyond monetary compensation, such as promotion and collaboration opportunities. The author points out that most infringements are not malicious but due to negligence. Through negotiation, adversaries can be transformed into collaborators, leading to long-term success. Of course, if negotiations fail, litigation remains a last resort.

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(www.thelegalartist.com)
Startup intellectual property copyright infringement negotiation
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