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Revolutionizing SOFCs: 300°C Operation Achieved, Promising Lower Costs

2025-08-12

Revolutionizing SOFCs: 300°C Operation Achieved, Promising Lower Costs

Researchers at Kyushu University have developed a solid-oxide fuel cell (SOFC) operating at a groundbreaking 300°C, significantly lower than the typical 700-800°C. This breakthrough involves a redesigned electrolyte, utilizing scandium-doped barium stannate and barium titanate to create a highly conductive 'ScO₆ highway' for protons. This low-temperature operation promises drastically reduced manufacturing costs, paving the way for consumer-level SOFC applications and potentially influencing other low-temperature energy technologies like electrolyzers and CO₂ conversion reactors.

(interestingengineering.com)

Tech Solid Oxide Fuel Cell Low-Temperature Operation

Sleeping Like a Sailor to Maximize Claude Pro Usage

2025-08-12

To maximize the five-hour usage limit of his Claude Pro subscription, the author adopted a sailor-like sleep schedule, taking 2-3 hour naps to maintain peak coding efficiency. This strategy has resulted in a 10x increase in productivity on his B2B SaaS project. While acknowledging the sacrifice in sleep quality, the author finds this approach highly effective and plans to continue using it even after potential Claude Pro usage restrictions tighten.

(mattwie.se)

Development sleep strategy

The Optimal Line Length for Code: Unraveling the 88-Character Mystery

2025-08-12

This article delves into the age-old debate of optimal line length in coding standards. It traces the history of the 80-character limit back to physical constraints of teletypes and punch cards, then explores the scientific basis for line length limitations rooted in human visual perception. While acknowledging the advantages of wide screens, the author argues that excessively long lines reduce readability. The article ultimately advocates for a 88-character maximum, justifying the choice through considerations of indentation, diff tool compatibility, and overall code clarity.

(blog.glyph.im)

Development readability coding standards

AI-Designed Biosensor Revolutionizes Cortisol Measurement

2025-08-12

AI-Designed Biosensor Revolutionizes Cortisol Measurement

Professor Andy Yeh of UC Santa Cruz has developed a novel, AI-designed luminescent biosensor for highly accurate cortisol level detection in blood or urine. This sensor, used in conjunction with a smartphone camera, enables convenient at-home or point-of-care testing with significantly improved sensitivity and dynamic range compared to traditional methods. This breakthrough paves the way for better diagnosis and treatment of cortisol-related disorders and offers a new tool for drug development.

(medicalxpress.com)

Tech Biosensor Cortisol

Open-Source E-Paper Dev Kit Hits 75Hz Refresh Rate

2025-08-12

Open-Source E-Paper Dev Kit Hits 75Hz Refresh Rate

The Modos Paper Dev Kit is an open-hardware e-paper monitor development kit boasting a blazing-fast 75Hz refresh rate, low latency, customizable screen updates, multiple image modes, and flexible dithering. Connecting via HDMI or USB, it's compatible with Linux, macOS, and Windows. Available in 6-inch and 13-inch monochrome options, its controller is adaptable to other panels. Addressing challenges like proprietary systems, lack of standards, and high costs in e-paper technology, Modos aims to foster a community dedicated to establishing best practices and unlocking e-paper's full potential.

(www.crowdsupply.com)

Hardware

Boom Supersonic: Revolutionizing Aerospace Design with Software Engineering

2025-08-12

Boom Supersonic: Revolutionizing Aerospace Design with Software Engineering

Boom Supersonic built the world's first independently developed supersonic jet, XB-1, with a team of just 50 people and a fraction of the traditional budget. They developed mkBoom, an in-house aircraft design software, embedding software engineers within hardware teams to automate design workflows and enable rapid iteration. mkBoom allows for comprehensive aircraft performance analysis and simulates flight tests of various design options. This approach optimized the design of the Overture supersonic airliner, significantly improving the passenger experience and enabling "boomless cruise."

(bscholl.substack.com)

Tech supersonic aircraft aerospace design

Reddit Blocks Wayback Machine Access Amidst AI Data Scraping Concerns

2025-08-12

Reddit Blocks Wayback Machine Access Amidst AI Data Scraping Concerns

Reddit has blocked the Internet Archive's Wayback Machine from indexing most of its content after discovering AI companies were scraping data in violation of its platform policies. Only the Reddit homepage will be indexable. This move aims to protect user privacy and prevent data misuse for AI model training. Reddit previously reached a paid data agreement with Google and sued Anthropic for unauthorized scraping. This highlights the ethical dilemmas surrounding AI data acquisition and the challenges platforms face in protecting their data.

(www.theverge.com)

Tech

Ford's $5B Gamble: A Model T Moment for EVs?

2025-08-12

Ford's $5B Gamble: A Model T Moment for EVs?

Ford is investing nearly $5 billion in a new EV production system and platform designed to bring affordable electric vehicles to market. The first vehicle, a mid-size electric pickup launching in 2027 with a projected $30,000 price tag, will be assembled in Kentucky. A new battery park in Michigan will produce LFP batteries for the truck. Ford's 'assembly tree' system simplifies production, improves ergonomics, and aims for a faster assembly time. The truck, inspired by the Model T, targets Mustang EcoBoost-like acceleration and lower five-year ownership costs than a used Tesla Model Y. This move is a direct challenge to Chinese EV makers known for affordability and quality.

(www.freep.com)

Tech Affordable EVs

Nvidia, AMD to Share 15% of China Chip Sales Revenue with US Government

2025-08-12

Nvidia, AMD to Share 15% of China Chip Sales Revenue with US Government

Nvidia and AMD have agreed to share 15% of their revenue from chip sales to China with the U.S. government to secure export licenses. This follows a previous halt on advanced chip sales to China due to national security concerns. The deal is controversial, with critics questioning its legality and arguing it sets a dangerous precedent, potentially undermining US national security and competitiveness in the AI race.

(apnews.com)

Tech US-China tech rivalry

Tail Recursion: The Equivalence of Loops and Recursion

2025-08-12

This article delves into the equivalence of recursive functions and loops, focusing on tail-call optimization. Recursive functions are elegant and easy to reason about, but generally slower due to stack usage for intermediate results. Loops are faster but can be less readable. Tail recursion, where the recursive call is the last operation, allows compilers to optimize it into a loop, preventing stack overflow and improving performance. The article uses example code to compare recursive, iterative, and tail-recursive implementations of a summation function, and concludes with exercises to solidify understanding.

(kmicinski.com)

Development tail recursion loops

Yomiuri Shimbun Sues AI Startup Perplexity for Copyright Infringement

2025-08-12

Yomiuri Shimbun Sues AI Startup Perplexity for Copyright Infringement

Japan's largest newspaper, the Yomiuri Shimbun, has filed a copyright infringement lawsuit against generative AI startup Perplexity. This marks the first major copyright challenge by a Japanese news publisher against an AI company. The suit alleges Perplexity accessed and reproduced over 100,000 Yomiuri articles without authorization, using them to answer user queries. Yomiuri is seeking nearly $15 million in damages and a cease-and-desist order. While Japanese law permits AI training on copyrighted material, it doesn't allow for unauthorized reproduction and distribution. The lawsuit highlights growing tensions between AI companies and news publishers over copyright in the age of AI.

(www.niemanlab.org)

Tech Yomiuri Shimbun

Starbucks Korea Cracks Down on 'Cagongjok'

2025-08-12

Starbucks Korea Cracks Down on 'Cagongjok'

Starbucks Korea has updated its policy to prohibit large work equipment like desktop computers and printers, addressing the issue of customers using its cafes as extended office spaces. This follows the increasing prevalence of 'cagongjok,' individuals who work long hours in cafes, often consuming minimal coffee. High office rental costs in Seoul and a post-pandemic shift to remote work have driven many to seek affordable alternatives, creating tension between cafes and customers. While Starbucks aims to be a welcoming 'third place,' this policy change reflects a shift in approach to manage space and customer experience.

(fortune.com)

Misc Starbucks Cagongjok

The Mystery of Thirst: How the Brain Senses Dehydration

2025-08-12

The Mystery of Thirst: How the Brain Senses Dehydration

New research reveals the mechanism by which the brain senses thirst. Instead of directly detecting water deficiency, the brain monitors blood salt concentration through circumventricular organs near the hypothalamus, such as the OVLT and SFO. When salt concentration is too high or the water-salt ratio is imbalanced, these organs signal the brain, triggering thirst. Interestingly, the brain doesn't wait for water absorption to determine hydration; it uses sensors in the mouth and gut to quickly estimate water intake, shutting off the thirst signal promptly. This suggests thirst isn't simply a water deficiency signal, but rather the brain's 'educated guess' about the body's internal environment.

(www.quantamagazine.org)

Tech thirst mechanism brain sensing

Windows XP: The Epic Saga of Microsoft's OS Unification

2025-08-12

Windows XP: The Epic Saga of Microsoft's OS Unification

This article details the epic journey of Microsoft's Windows XP operating system, from its inception to its eventual triumph and gradual decline. From initial struggles to escape the clutches of MS-DOS, to the cancellation of the ambitious 'Neptune' project, Microsoft underwent significant technical and strategic shifts, culminating in 'Whistler' (later XP). XP not only unified consumer and professional versions but also introduced a groundbreaking user interface and numerous innovative features, such as System Restore and the Firewall, drastically improving user experience. While initial market reception was mixed, XP ultimately reigned supreme as one of history's most successful operating systems, dominating the global PC market for over a decade due to its stability and compatibility.

(www.abortretry.fail)

Tech

Revolutionizing Time: Decipad's Interval Approach to Dates

2025-08-12

Decipad introduces a revolutionary approach to handling dates, treating them as intervals rather than precise moments. This paradigm shift eliminates the need for milliseconds and makes date calculations more intuitive and aligned with human thinking. For instance, '2023' represents the entire year, and 'March 2024' represents the whole month, avoiding the implicit assumptions about specific times that lead to bugs in traditional date libraries. This interval representation simplifies calculations; subtracting two dates directly yields a duration in human-friendly units like days, hours, or minutes. This method is cleaner, easier to understand, and avoids complexities such as timezone conversions.

(metaduck.com)

Development time intervals date calculations

PlanetScale Unveils Neki: Sharded Postgres for Extreme Scale

2025-08-12

PlanetScale Unveils Neki: Sharded Postgres for Extreme Scale

PlanetScale today announced Neki, a sharded Postgres database built on the team's experience with Vitess. Unlike Vitess, which leverages MySQL, Neki is being architected from the ground up for Postgres, aiming to bring Vitess's scalability to the Postgres ecosystem. Currently in development with large-scale design partners, Neki will be open-sourced upon completion to handle the most demanding Postgres workloads.

(planetscale.com)

Development sharded database

Wayland Lock Screen Transformed into a Pokémon Puzzle

2025-08-12

Wayland Lock Screen Transformed into a Pokémon Puzzle

A Linux enthusiast has created a unique Wayland lock screen that replaces the password screen with a Game Boy emulator running a modified Pokémon game. Users unlock their session by solving a mini-puzzle within the game, offering a fun and engaging alternative to traditional password entry. The project demonstrates the high level of customization possible with Wayland. The developer delved into Wayland protocols, implemented a low-level Wayland window, and even modified the Pokémon game's assembly code to incorporate password logic. While experimental, this project showcases impressive creativity and technical skill, offering a fresh perspective on personalized system customization.

(github.com)

Development Lock Screen

LLMs Fail to Generalize Beyond Training Data

2025-08-12

LLMs Fail to Generalize Beyond Training Data

Researchers tested the generalization capabilities of large language models (LLMs) on tasks, formats, and lengths outside their training data. Results showed a dramatic drop in accuracy as the task diverged from the training distribution. Even when providing correct answers, the models often exhibited illogical reasoning or reasoning inconsistent with their answers. This suggests that chain-of-thought (CoT) reasoning in LLMs doesn't reflect true text understanding, but rather the replication of patterns learned during training. Performance also degraded sharply when presented with inputs of varying lengths or unfamiliar symbols, further highlighting the limitations in generalization.

(arstechnica.com)

AI

Website Anti-Scraping Mechanism: Anubis Explained

2025-08-12

A website implemented Anubis, an anti-scraping mechanism, to combat aggressive data scraping by AI companies. Anubis resembles Hashcash, increasing computational load to deter scrapers. This approach has minimal impact on individual users but significantly raises the cost for large-scale scraping. Anubis is a temporary solution; the ultimate goal is to better differentiate legitimate users from bots by identifying headless browsers, thus avoiding inconveniencing ordinary users. Note that Anubis requires modern JavaScript features, so please disable plugins like JShelter.

(wiki.freebsd.org)

Tech

Tilf: A Lightweight Pixel Art Editor

2025-08-12

Tilf: A Lightweight Pixel Art Editor

Tilf is a simple yet powerful pixel art editor built with PySide6, designed for creating sprites, icons, and small 2D assets. It features essential tools, live preview, undo/redo, and export options. Unlike many alternatives, Tilf requires no account registration or email and runs on Windows, MacOS, and GNU/Linux. Developed in spare time, the code could be improved, and contributions are welcome.

(github.com)

Development

Wikipedia's Biggest Self-Promotion Operation: The David Woodard Case

2025-08-12

In late 2024, a relatively unknown artist, David Woodard, unexpectedly held the record for the Wikipedia article with the most language versions—a staggering 335. An investigation revealed a decade-long, massive self-promotion scheme involving over 200 accounts and numerous proxy IPs. The operation involved creating and translating articles across various Wikipedia projects, using multiple accounts and IPs to add fabricated photos and information. The Wikipedia community responded with coordinated efforts, deleting most of the fraudulent entries and thwarting this elaborate self-promotion campaign. This case raises questions about the integrity of information on Wikipedia and the challenges of combating sophisticated manipulation.

(en.wikipedia.org)

Misc Self-promotion

Sailing Away from the Cloud: A Tale of Minimalist Programming on a Sailboat

2025-08-12

Two developers, sailing the Pacific for seven years, experienced firsthand the fragility of modern software and the risks of cloud dependency. They decided to abandon complex modern tech stacks, embracing retro 8-bit consoles and minimalist programming languages to build a self-sufficient, offline-capable personal computing system. Exploring virtual machines, assembly language, and One Instruction Set Computers (OISC), they aimed to create a more resilient and sustainable programming environment, weathering the 'software winter' and achieving data permanence.

(100r.co)

Development offline computing

The Apple-1 Registry: Tracking the Legacy of Apple's First Computer

2025-08-12

The Apple-1 Registry: Tracking the Legacy of Apple's First Computer

This registry meticulously documents the known Apple-1 computers, Apple's first creation. Each entry includes location data, batch information, verification status, associated images and videos, historical context, and auction history. The registry highlights the rarity of these machines and encourages community contributions to preserve the history of this iconic piece of computing history.

(www.apple1registry.com)

Hardware Apple-1

StarDict Dictionary's Default Settings Leak User Text Selections

2025-08-12

StarDict, a popular cross-platform dictionary application, has been found to contain a serious security vulnerability. Under X11, its default configuration sends user-selected text via unencrypted HTTP to two remote servers. This vulnerability stems from its default-enabled "scan" feature, which monitors user text selections in real-time and automatically provides translations. While the maintainer suggests that disabling the scan functionality or the YouDao plugin resolves the issue, security experts argue that features with privacy risks should never be enabled by default. This is not the first time such a vulnerability has been reported; previous similar reports existed but fixes were incomplete, potentially exposing users to text leaks for years. Although the number of StarDict installations on Debian is low, the issue highlights the persistent existence and delayed resolution of security problems in open-source software maintenance.

(lwn.net)

Tech

Institutional Forgetting: The Silent Killer of Organizations

2025-08-12

From VW's 1973 emissions scandal to the Challenger and Columbia Space Shuttle disasters, and even a blocked canal, this article explores the devastating consequences of institutional forgetting. It argues that loss of knowledge, fading experience, and the disappearance of crucial information can lead to catastrophic events. The author emphasizes the importance of knowledge preservation and experience retention to avoid costly mistakes stemming from forgetting.

(timharford.com)

Misc institutional forgetting

Ollama GGUF Model Loading Failure: Outdated ggml Dependency

2025-08-12

Ollama GGUF Model Loading Failure: Outdated ggml Dependency

An Ollama user reported a failure loading a GGUF model. The error log indicates an invalid ggml type (39, NONE) for tensor 'blk.0.ffn_down_exps.weight'. This likely stems from an outdated ggml dependency within llama.cpp. While the GGUF model runs fine with llama.cpp directly, the Ollama platform's failure suggests the need for a ggml dependency update within Ollama itself.

(github.com)

Development

Four Verbs: A Simple Daily Rhythm for Sustainable Productivity

2025-08-11

Four Verbs: A Simple Daily Rhythm for Sustainable Productivity

In a world obsessed with hacks, the author proposes a simpler approach: a daily rhythm built around four verbs: learn, reflect, act, prepare. This isn't a productivity system, but a living experiment focusing on consistent learning, thoughtful reflection, mindful action, and proactive planning. The author shares their experience of how this simple framework helps maintain a calm and productive lifestyle.

(opuslabs.substack.com)

Misc

Designing for User Agents: The Rise of the UAI

2025-08-11

Designing for User Agents: The Rise of the UAI

This article discusses the importance of designing for three distinct interfaces when building applications: User Interface (UI), Application Programming Interface (API), and User Agent Interface (UAI). With the rise of AI agents, the UAI becomes crucial. To ensure consistent functionality across all three, the author stresses the need to separate core business logic from interface-specific presentation and interaction patterns. Features should be defined in the underlying application logic and exposed through the interfaces, preventing unintentional degradation of any interface when adding new features.

(www.joshbeckman.org)

Development

US Cybersecurity in Flux: Political Headwinds and a Generational Gap

2025-08-11

US Cybersecurity in Flux: Political Headwinds and a Generational Gap

The US cybersecurity landscape is facing a perfect storm. Trump-era policy shifts have led to personnel purges and unclear priorities, evident at this week's Black Hat and DEFCON conferences. A conversation between former NSA and Cyber Command chief Paul Nakasone and DEFCON founder Jeff Moss highlighted key challenges: the politicization of technology, a significant generational gap between government officials and the tech sector, and escalating conflicts with adversaries like China, Iran, North Korea, and Russia. The discussion also touched upon the rampant rise of ransomware and the uncertainty fueled by geopolitical conflicts, painting a picture of a complex and increasingly perilous cybersecurity future.

(www.wired.com)

Tech

Microrim's Rapid Port of R:BASE System V to OS/2

2025-08-11

In late 1986, Microrim, a database software company, faced a monumental task: porting their flagship product, R:BASE System V, to IBM's newly emerging OS/2 before its official launch. Leveraging their modular software design and expertise, they systematically converted the largely FORTRAN-based application to C using a translation tool, then efficiently ported it to OS/2 by isolating OS-specific calls. This feat, accomplished in a remarkably short timeframe, showcased Microrim's prowess and offered valuable lessons for other developers facing similar challenges. The resulting OS/2 version benefited from OS/2's expanded memory and multitasking capabilities, enhancing performance and user experience.

(gitpi.us)

Development Software Porting

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