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Masimo Sues US Customs to Block Apple's Restored Blood Oxygen Feature on Apple Watch

2025-08-21

Masimo Sues US Customs to Block Apple's Restored Blood Oxygen Feature on Apple Watch

Following a patent infringement lawsuit by Masimo, Apple's blood oxygen feature on the Apple Watch was initially banned. While Apple disabled the feature via software, it recently re-enabled it, calling it a "redesigned" feature. Masimo now alleges that US Customs and Border Protection (CBP) overstepped its authority and violated due process by allowing Apple to restore the functionality. The lawsuit seeks to prevent CBP's decision and reinstate the original ban. The central issue is whether CBP violated due process and whether Apple's 'redesigned' feature still constitutes patent infringement.

(9to5mac.com)

Tech Patent Lawsuit

FSF Under Siege: Continuous DDoS Attacks Threaten Free Software

2025-07-07

The Free Software Foundation (FSF)'s sysops team is facing relentless distributed denial-of-service (DDoS) attacks, originating from sources including large language model (LLM) web crawlers and unknown entities. These attacks have repeatedly disrupted critical services like gnu.org and Savannah. Despite a small team and limited resources, the FSF is fighting back. The article urges readers to become associate members to support the FSF's efforts in defending free software and user freedom against these persistent threats.

(www.fsf.org)

Tech

WTF: Visualizing Builds to Find Performance Bottlenecks

2025-08-15

WTF: Visualizing Builds to Find Performance Bottlenecks

What the Fork is a cross-platform tool that visualizes the build process of any build system, helping developers identify and resolve performance bottlenecks. By monitoring system calls, it tracks process start and termination, generating an interactive visualization showing process timelines, commands, and arguments. The author demonstrates its power through examples from various projects, revealing issues like lack of parallelism and redundant operations. This allows developers to significantly optimize build times, particularly beneficial for CI builds.

(danielchasehooper.com)

Development build optimization

Robotics vs. AI: Debunking Complexity Misconceptions

2025-01-11

This article tackles common misconceptions surrounding the complexities of robotics versus AI. The author argues that people often conflate the two fields, assuming advancements in AI directly translate to breakthroughs in robotics. However, the core challenge in robotics lies in the intricate nature of sensorimotor control, far more difficult than commonly perceived. This aligns with Moravec's Paradox: low-level sensorimotor skills are harder to replicate than high-level reasoning. The author further explains how current AI solutions rely on immense computing power and massive datasets, conditions difficult to replicate in robotics. Hardware limitations, data bottlenecks, and model speed are also discussed, alongside a forward-looking perspective on future robotics development.

(harimus.github.io)

AI Moravec's Paradox

Multithreading: The Wrong Design?

2025-04-02

This article challenges the common misconception that multithreading always improves performance. The author argues that modern CPUs don't operate as a shared memory model as often taught, and multithreading introduces significant overhead due to cache coherence issues and synchronization primitives, leading to performance degradation and increased complexity. Duplicating single-threaded code across multiple cores is presented as a more efficient approach, leveraging CPU time more effectively and resulting in simpler, more maintainable code. The author advocates for single-threaded designs like Node.js and Actor models as superior for utilizing modern CPU resources, despite the perception that multithreading is a more sophisticated approach.

(unetworkingab.medium.com)

Development

LLM Elimination Game: Social Reasoning, Strategy, and Deception

2025-04-07

LLM Elimination Game: Social Reasoning, Strategy, and Deception

Researchers created a multiplayer "elimination game" benchmark to evaluate Large Language Models (LLMs) in social reasoning, strategy, and deception. Eight LLMs compete, engaging in public and private conversations, forming alliances, and voting to eliminate opponents until only two remain. A jury of eliminated players then decides the winner. Analyzing conversation logs, voting patterns, and rankings reveals how LLMs balance shared knowledge with hidden intentions, forging alliances or betraying them strategically. The benchmark goes beyond simple dialogue, forcing models to navigate public vs. private dynamics, strategic voting, and jury persuasion. GPT-4.5 Preview emerged as the top performer.

(github.com)

AI Multi-agent Strategic Game

The Surprising Geography of Vacation Homes in the US

2025-07-27

The Surprising Geography of Vacation Homes in the US

An analysis of US Census data reveals fascinating patterns in the distribution of vacation homes across the country. Florida leads with over 800,000, followed by California and New York. However, as a percentage of total housing, New England states like Maine, Vermont, and New Hampshire boast the highest proportions, exceeding 15%. Vacation homes cluster heavily along coasts, near the Great Lakes, in New England, and parts of the West. Location correlates strongly with geographical amenities like beaches, lakes, mountains (and ski resorts), golf courses, and theme parks. Surprisingly, major cities have a disproportionately low percentage of vacation homes. The study also notes that vacation home growth lags behind overall economic growth, likely due to low construction productivity and restrictive zoning regulations.

(www.construction-physics.com)

Misc vacation homes geographic distribution economic trends

Open Source Font for Cockpit Displays: PolarSys B612

2025-09-03

Open Source Font for Cockpit Displays: PolarSys B612

PolarSys B612 is a highly legible open-source font family designed and tested for use on aircraft cockpit screens. Developed through a collaboration between Airbus, ENAC, and Université de Toulouse III, it aims to improve the display of information, focusing on readability and comfort. Key features include maximizing character spacing, respecting letter primitives, and harmonizing forms and spacing. Intactile DESIGN created eight variants in 2012, with complete hinting applied to all characters.

(github.com)

Design open source font

Why Are We So Obsessed with Cats? Ancient Fear and Modern Fascination

2025-07-19

Why Are We So Obsessed with Cats? Ancient Fear and Modern Fascination

This article explores the mystery of humanity's fascination with cats. The author speculates that this isn't due to neoteny, but rather stems from cats' history as a major predator of primates in Africa for millions of years. This ancient fear is embedded deep within our genes, causing us to instinctively pay attention to a cat's every move. Even though house cats pose little threat, we subconsciously perceive them as miniature leopards; this element of danger gives cats their unique appeal. The popularity of cat videos also confirms this: they usually present a calm scene suddenly disrupted by the cat, simulating the tense relationship between predator and prey, fulfilling our innate need for safely experiencing dangerous thrills.

(gwern.net)

Misc predator

Google's Super Bowl Ad: A Gemini AI Fabrication?

2025-02-09

Google's Super Bowl Ad: A Gemini AI Fabrication?

Google's Super Bowl commercial showcased Gemini AI generating a website description, but evidence reveals this text was on the business's site since at least August 2020, predating Gemini's launch. The ad also initially contained factually incorrect information generated by Gemini, which Google subsequently removed. Despite Google's insistence that Gemini wrote the description, evidence points to potential fabrication, raising concerns about the accuracy of its AI claims and the integrity of its advertising. This incident highlights potential exaggeration and misrepresentation by tech companies promoting AI capabilities.

(www.theverge.com)

Tech AI fabrication Super Bowl ad

Agentic Coding: Practical Tips and Tricks

2025-06-12

This post details the author's experience with agentic coding using Claude Code, focusing on maximizing efficiency. Key strategies include using the cheaper Sonnet model, disabling permission checks, optimizing tool usage, and choosing Go for its simplicity and efficient testing. The author emphasizes writing simple, stable, and parallelizable code, and refactoring strategically. While the field is rapidly evolving, core principles like simplicity, stability, observability, and smart parallelization remain crucial for success.

(lucumr.pocoo.org)

Development agentic coding

Goodbye Tedious Workflows: My tmux-Powered Dev Setup

2025-06-23

This post details a highly efficient development workflow built around tmux. The author uses clever tmux configuration and scripting to directly open files on a remote server, seamlessly jump between panes, and switch effortlessly between files—all without local clones. The post walks through the configuration, including regular expressions and scripts, and compares alternatives. The motivation stemmed from frustrations with VSCode's lag and keybinding conflicts. While complex to set up, the author argues the efficiency gains outweigh the cost.

(jyn.dev)

Development remote development

New Hash Functions Rain Hashes: Speed and Security Combined

2024-12-13

New Hash Functions Rain Hashes: Speed and Security Combined

DOSAYGO Research has released Rain Hashes, a new family of hash functions featuring Rainbow and Rainstorm algorithms. Rainbow boasts exceptional speed, making it ideal for general-purpose hashing. Its C++ implementation has passed all SMHasher3 tests and is characterized by its concise and efficient code. Rainstorm prioritizes security; while not formally audited, its design incorporates elements from cryptographic hash functions and offers output sizes from 64 to 512 bits. The project provides C++, WASM, and Node.js implementations, along with a command-line tool and benchmark tests for easy evaluation and usage.

(github.com)

Development hash function

Stricter Memory Safety Rules: Introducing Child Groups

2025-08-28

This article introduces a stricter memory safety rule by introducing the concept of "child groups." The old rule was too lenient; the new rule more precisely defines which references need to be invalidated when an object is mutated. Using the `Entity` struct as an example, the article explains how to distinguish between the object itself and its "child groups" (e.g., elements in a list, objects pointed to by pointers). The new rule states that when an object might be modified, references to the object itself remain valid, but references to child groups become invalid. Through code examples, the article clearly demonstrates how the new rule enhances memory safety and avoids dangling pointers.

(verdagon.dev)

Development references

Linear Scan Register Allocation: Handling Lifetime Holes

2025-08-26

This post details improvements to the linear scan register allocation algorithm to handle lifetime holes. The author explains how lifetime holes arise from reducing the control flow graph to a linear instruction sequence, creating discontinuities in virtual register lifetimes. The solution involves modifying the interval data structure to support multiple disjoint ranges, allowing the identification and exploitation of these holes. The linear scan algorithm is then adapted to consider these holes during register assignment, improving register utilization. This enhances the compiler's ability to leverage register resources, ultimately boosting code performance.

(bernsteinbear.com)

Development linear scan algorithm

VIM Master: A Lightweight Browser-Based Vim Tutor

2025-08-28

VIM Master: A Lightweight Browser-Based Vim Tutor

VIM Master is a lightweight, browser-based game that teaches core Vim motions and editing commands through short, focused levels. No installation is needed—just open index.html and start practicing. Features include normal/insert modes, a command log, level validation, and undo/redo support. It supports a wide range of Vim commands and numeric counts. A challenge mode tests command recall under time pressure. Built with plain HTML, CSS, and JS, it's lightweight, dependency-free, and perfect for quickly learning essential Vim skills.

(github.com)

Game

Anthropic's Claude Browser Extension: A Controlled Test for AI Safety

2025-08-27

Anthropic's Claude Browser Extension: A Controlled Test for AI Safety

Anthropic is testing a Chrome extension that allows its AI assistant, Claude, to interact directly within the browser. While this greatly enhances Claude's utility, it introduces significant safety concerns, primarily prompt injection attacks. Red-teaming experiments revealed a 23.6% attack success rate without mitigations. Anthropic implemented several safeguards, including permission controls, action confirmations, and advanced classifiers, reducing the success rate to 11.2%. Currently, the extension is in a limited pilot program with 1000 Max plan users to gather real-world feedback and improve safety before wider release.

(www.anthropic.com)

AI

The Browser Wars Legacy: The Winding Road from SSL to TLS

2025-06-15

The Netscape/Microsoft browser wars of the mid-90s were incredibly fierce. Netscape's SSL protocol, flawed from the start, led to Microsoft's competing PCT protocol. To prevent Microsoft from controlling the standard, Netscape developed SSL 3.0. Eventually, through negotiations, the IETF standardized the protocol, renaming SSL 3.0 to TLS 1.0. This marked the end of the browser wars' impact on the standard, showcasing the compromises and competition inherent in tech standardization.

(tim.dierks.org)

Tech Browser Wars

Cryptojacking Campaign Targets Misconfigured DevOps Tools

2025-06-03

Cryptojacking Campaign Targets Misconfigured DevOps Tools

A new cryptojacking campaign, attributed to an attacker named JINX-0132, is exploiting misconfigurations and vulnerabilities in publicly accessible DevOps tools to steal cloud computing resources for cryptocurrency mining. The campaign primarily targets HashiCorp's Nomad and Consul, Docker API, and Gitea. Researchers estimate that up to 25% of cloud environments are vulnerable, with 5% directly exposing these tools to the internet and 30% exhibiting misconfigurations. JINX-0132 leverages these flaws for remote code execution, deploying XMRig mining software. Mitigation involves updating software, disabling script checks, restricting API access, and properly configuring security settings.

(www.theregister.com)

Tech DevOps security cryptojacking

Zero-Codegen TypeScript Type Inference from Protobuf

2025-04-14

Zero-Codegen TypeScript Type Inference from Protobuf

protobuf-ts-types lets you define language-agnostic message types in proto format and infers TypeScript types directly without code generation. It cleverly leverages TypeScript's template literal types. While currently a proof-of-concept and lacking support for services, RPCs, oneof and map fields, and imports, it offers great potential for simplifying Protobuf integration with TypeScript.

(github.com)

Development Type Inference

Pastor Indicted for $5.9M Crypto Scam He Claimed Came From a Dream

2025-01-16

Pastor Indicted for $5.9M Crypto Scam He Claimed Came From a Dream

A pastor from a Pasco, Washington church has been indicted on 26 counts of fraud for allegedly running a cryptocurrency scam that defrauded investors of at least $5.9 million between 2021 and 2023. Francier Obando Pinillo, 51, reportedly used his position to lure investors into 'Solano Fi,' a fraudulent cryptocurrency venture he claimed came to him in a dream, promising guaranteed returns. He utilized Facebook and a Telegram group to expand his reach, attracting over 1,500 victims. The indictment alleges Pinillo misappropriated funds, displaying fake balances on a web app and employing tactics like extortion to keep the scheme going. He now faces up to 20 years in prison.

(www.bleepingcomputer.com)

Misc cryptocurrency fraud financial fraud

An Engineer's Journey with Forth: From Fascination to Abandonment

2024-12-28

This blog post recounts an engineer's experience learning and using the Forth programming language. Initially captivated by Forth's brevity and extensibility, the author delved into the source code of pForth, marveling at its compile-time self-modifying capabilities. However, in real-world projects, the author found Forth more suitable for number crunching, struggling with tasks like text processing. While designing a custom hardware embedded system, the author leveraged Forth to design the system's CPU instruction set, but ultimately found C more efficient and abandoned Forth. The author concludes that Forth is ideal for minimalist engineers seeking extreme efficiency, while he himself prefers a more pragmatic approach, opting for more widely used languages.

(yosefk.com)

Development

Recursion Pharmaceuticals Ditches Cell Painting for Brightfield Imaging

2024-12-15

Recursion Pharmaceuticals Ditches Cell Painting for Brightfield Imaging

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.

(www.owlposting.com)

Tech cell imaging drug development

Self-Hosting Firefox Sync: A Challenging Journey

2025-03-01

Self-Hosting Firefox Sync: A Challenging Journey

The author attempted to self-host a Firefox Sync server. Initially using Mozilla's syncserver repository, they encountered issues due to lack of maintenance and build history problems. Switching to the Rust-based syncstorage-rs, they faced further challenges with confusing Docker deployment documentation. Ultimately, they successfully set up the server using a simplified Docker configuration (syncstorage-rs-docker), managing the database with Docker Compose and MariaDB, and configuring a reverse proxy with Caddy. The process was challenging, and the author shares lessons learned, including database persistence, server storage space, and the importance of following the correct steps.

(blog.diego.dev)

Development Self-hosting

AI Discovers Novel Weight-Loss Molecule Rivaling Ozempic, Without Side Effects

2025-03-07

AI Discovers Novel Weight-Loss Molecule Rivaling Ozempic, Without Side Effects

Stanford Medicine researchers, using an AI algorithm, have identified a naturally occurring molecule, BRP, that rivals semaglutide (Ozempic) in suppressing appetite and reducing body weight. Importantly, animal testing showed BRP avoids side effects like nausea, constipation, and muscle loss. BRP acts through a distinct but similar metabolic pathway, targeting the hypothalamus to control appetite. A company has been formed to launch human clinical trials. This breakthrough relied on AI to sift through thousands of proteins, offering a promising new avenue for obesity treatment.

(medicalxpress.com)

AI weight loss biomedicine

Greenland: A Newly Crucial Arctic Strategic Location

2025-01-11

Greenland: A Newly Crucial Arctic Strategic Location

The Trump administration's growing interest in Greenland is no coincidence. The island's strategic importance has placed it at the center of a great power competition in the Arctic between the US, Russia, and China. The US maintains Pituffik Space Base in Greenland, a crucial military presence offering missile detection and space surveillance capabilities. However, climate change is melting Arctic ice, opening new shipping routes and resources, further increasing Greenland's strategic value and intensifying competition. The article reviews the history of US military presence in Greenland, including Cold War bases and nuclear accidents, and analyzes Greenland's role in future military strategy and its importance in Arctic shipping and resource contention.

(www.twz.com)

Tech Arctic strategy Greenland Military base

Taliban Bans Fiber Optic Internet in Afghan Province to 'Prevent Immorality'

2025-09-17

Taliban Bans Fiber Optic Internet in Afghan Province to 'Prevent Immorality'

The Taliban leader in Afghanistan's Balkh province has banned fiber optic internet access, citing concerns about "immorality." The ban affects government offices, businesses, and homes, leaving them without Wi-Fi internet access, although mobile internet remains functional. A Balkh resident expressed worries about the impact on his business and others reliant on internet connectivity. The ban marks the first of its kind since the Taliban's takeover in 2021, raising concerns among residents about the implications and potential expansion to other provinces.

(apnews.com)

Tech Taliban Afghanistan Internet Ban

Pyrefly and ty: Two New Rust-Based Python Type Checkers Emerge

2025-05-27

At PyCon 2025, Meta's Pyrefly and Astral's ty, two new Rust-based Python type checkers, made their debut. Pyrefly aims to be faster, more portable, and more capable than its predecessor, while actively engaging with the open-source community. ty emphasizes a "gradual guarantee," meaning removing type annotations shouldn't cause type errors. Both leverage Ruff for AST parsing and offer command-line and IDE integration. Benchmarks showed ty generally faster, but they differ in type inference and error handling. Pyrefly is more aggressive, potentially catching more errors but also introducing more false positives; ty is more conservative, prioritizing code compatibility. Both are in early alpha, and their future evolution is exciting to watch.

(blog.edward-li.com)

Development Type Checker

DuckLake: Lightweight Data Lake and Catalog in One

2025-05-27

DuckLake: Lightweight Data Lake and Catalog in One

DuckLake offers a lightweight, all-in-one solution for building a data lake and catalog. It enables a 'multiplayer DuckDB' setup with multiple DuckDB instances reading and writing the same dataset—a concurrency model not supported by standard DuckDB. Even if you only use DuckDB for your DuckLake entry point and catalog database, you still benefit from features like time-travel queries, data partitioning, and storing data across multiple files instead of a single, potentially huge, database file.

(ducklake.select)

Development data lake

Windows 11 App Update: Paint, Snipping Tool, and Notepad Get AI Boost

2025-05-22

Windows 11 App Update: Paint, Snipping Tool, and Notepad Get AI Boost

Microsoft is rolling out updates to Paint, Snipping Tool, and Notepad for Windows Insiders in the Canary and Dev Channels on Windows 11. Paint now features an AI sticker generator, a smart object selection tool, and a new welcome experience; Snipping Tool adds perfect screenshot and color picker capabilities; and Notepad introduces an AI writing feature for quick text drafting. Most of these new features require a Copilot+ PC and Microsoft account login, with some requiring a Microsoft 365 subscription.

(blogs.windows.com)

Development App Update

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