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Apple Resurrects Blood Oxygen on Apple Watch, Bypassing Import Ban

2025-08-15

Apple Resurrects Blood Oxygen on Apple Watch, Bypassing Import Ban

Apple announced Thursday a redesigned blood oxygen feature for select Watch Series 8, Series 10, and Apple Watch Ultra models, circumventing an International Trade Commission (ITC) import ban. Blood oxygen data is now processed on the paired iPhone, viewable only within the Health app's Respiratory section. This follows a recent U.S. Customs ruling allowing Apple to import watches with the revised feature. The change doesn't affect previously sold models or those purchased outside the U.S., applying only to watches sold after the ITC ban in early 2024. Users can access the redesigned feature via an iPhone and Apple Watch software update released Thursday. This follows Apple's ongoing legal battle with Masimo, which accused Apple of stealing its pulse oximetry technology. Masimo won a 2023 ITC ruling blocking Apple Watch imports with blood oxygen monitoring, prompting Apple's removal of the feature. Apple countersued, claiming Masimo copied Apple Watch features, and appealed the ban.

(techcrunch.com)

Tech Patent Dispute

BitChat: Open-Source, Offline, Encrypted Messaging via Bluetooth Mesh

2025-07-07

BitChat: Open-Source, Offline, Encrypted Messaging via Bluetooth Mesh

BitChat is a secure, decentralized, peer-to-peer messaging app built on Bluetooth mesh networks. No internet, servers, or phone numbers are required; just pure encrypted communication using X25519 key exchange and AES-256-GCM. Features include room-based chats (with optional password protection), offline message storage and forwarding, and a strong focus on privacy (no accounts, phone numbers, or persistent identifiers). BitChat offers native support for iOS and macOS, incorporating performance optimizations like LZ4 compression and adaptive battery modes. The project is open-source and designed for cross-platform compatibility.

(github.com)

Development Bluetooth Mesh Decentralized

Digital Version of On Lisp Now Available

2025-04-28

Thanks to Alan Apt and Chip Coldwell, a digital version of On Lisp is finally available! This version is identical to the printed edition, except for nine missing diagrams. Downloadable in compressed Postscript, Postscript, and PDF formats.

(www.paulgraham.com)

Development

Joplin 3.2: Open-Source Note-Taking App Gets Multi-Window Support

2025-04-21

Joplin, an open-source note-taking application, has released version 3.2, featuring long-awaited multi-window support, multi-column layouts, enhanced accessibility, and theme detection. This versatile app supports Markdown, plugins, multimedia, and various synchronization methods including end-to-end encrypted cloud sync and local storage. While built with Electron, resulting in higher resource consumption, Joplin's robust feature set and active community make it a compelling option for note-taking.

(lwn.net)

Development Note-taking App

23,000-Year-Old Footprints Push Back Human Presence in North America

2025-06-20

23,000-Year-Old Footprints Push Back Human Presence in North America

Ancient human footprints discovered at White Sands National Park in New Mexico have had their age reaffirmed. Initial radiocarbon dating placed them between 23,000 and 21,000 years ago, but this was challenged due to concerns about groundwater contamination of aquatic plant samples. The team retested using radiocarbon dating on pollen from the same layers (pine, spruce, and fir), and optically stimulated luminescence dating on quartz grains above the lowest footprint layer. The new results corroborate the original age estimate, confirming the footprints' antiquity and suggesting human presence in the region before ice sheets isolated southern North America.

(arstechnica.com)

Tech ancient footprints radiocarbon dating White Sands National Park

AI Agents: Hype or the Future of Work?

2025-03-14

AI Agents: Hype or the Future of Work?

Silicon Valley is betting big on AI agents, but there's a significant lack of consensus on what exactly constitutes an AI agent. Companies like OpenAI, Microsoft, and Salesforce envision them as the future of work, yet their functionalities and implementations vary wildly. Definitions range from fully autonomous systems to tools following predefined workflows, causing confusion even among industry experts. This ambiguity stems from rapid technological advancements and marketing hype, creating both opportunities for innovation and potential for misaligned expectations and uncertain ROI. Ultimately, whether AI agents truly revolutionize the world may depend on the industry's ability to establish a unified definition.

(techcrunch.com)

AI technical definitions

The Micral: France's Unsung Microcomputer Pioneer

2025-06-04

The Micral: France's Unsung Microcomputer Pioneer

In a Parisian basement in 1973, R2E launched the Micral N, the second commercially available microcomputer. Powered by the Intel 8008, its affordability propelled it into French research labs and businesses. The Micral series demonstrated the potential of small, inexpensive computers, paving the way for the personal computer revolution. Despite R2E's eventual acquisition, the Micral's story remains a compelling tale of technological innovation and entrepreneurial spirit.

(www.abortretry.fail)

Tech microcomputer

Nvidia Brings CUDA to RISC-V: A Game Changer for AI Computing?

2025-07-23

Nvidia Brings CUDA to RISC-V: A Game Changer for AI Computing?

At the 2025 RISC-V Summit in China, Nvidia announced CUDA support for RISC-V CPUs. This allows RISC-V to become the primary processor in CUDA-based AI systems, traditionally dominated by x86 or Arm. This move expands CUDA's reach and offers Nvidia a strategic advantage in the Chinese market. The integration suggests Nvidia sees significant potential for RISC-V in data centers and edge devices, potentially influencing future AI and HPC processor designs and encouraging other companies to follow suit.

(www.tomshardware.com)

AI

Running postmarketOS and Phosh on Android without Root or Custom ROM

2025-07-26

Running postmarketOS and Phosh on Android without Root or Custom ROM

This article details an unconventional method to run postmarketOS and the Phosh desktop environment on an Android phone without rooting or flashing a custom ROM. The author leverages Termux and proot to create an Alpine Linux environment within Android, converting it to postmarketOS and installing the lightweight Phosh desktop. While not perfect, with limitations like Chinese input requiring the Android keyboard, it offers Android users a convenient way to experience a mobile Linux system.

(ivonblog.com)

Development

Linux Kernel PGP Trust Chain Crisis: The SHA-1 Retirement Fallout

2025-05-09

Linux kernel development relies on PGP signatures, requiring maintainers to submit signed pull requests to Linus Torvalds. Due to issues with keyservers, Konstantin Ryabitsev maintains a git repository of relevant keys. Removing SHA-1 signatures would leave 485 public keys without a trust path to Linus Torvalds, impacting many core developers. This threatens the kernel's development process, potentially excluding key contributors. A keysigning event at Embedded Recipes 2025 aims to rebuild the trust chain.

(blog.kleine-koenig.org)

Development

MCP Directory: An Open-Source Minecraft Server List

2025-05-17

MCP Directory: An Open-Source Minecraft Server List

ChatMCP has launched an open-source Minecraft server list website called MCP Directory. The project utilizes a Supabase database and provides a detailed installation guide, covering steps such as cloning the repository, installing dependencies, preparing the database, and setting environment variables. Users can preview the site at https://mcp.so. Community links are also provided for user interaction and support.

(github.com)

Game Server List

Lit: Build Lightweight, Blazing-Fast Web Components

2025-09-03

Lit is a lightweight library for building web components, based on web component standards. Weighing in at around 5KB, it provides reactivity, declarative templates, and a streamlined developer experience. It renders blazing fast by only updating dynamic parts of the UI, ensuring compatibility with any framework. Lit components are standard custom elements, supporting scoped styles and reactive properties, simplifying the creation of shareable components, design systems, and future-proof applications.

(lit.dev)

Development

Data Visualization: Beyond Illustration, Towards Elucidation

2025-02-07

Data Visualization: Beyond Illustration, Towards Elucidation

This article praises innovative approaches to visualizing mathematical formulas. Using Daniel Fleisch's book on Maxwell's equations as an example, it argues that formulas in traditional academic papers are often opaque, while good visualizations clarify complex information, achieving 'elucidation' rather than mere 'illustration'. This aligns with Edward Tufte's concept of 'visual explanation', advocating for the power of data visualization to make complex information easily understandable.

(agilescientific.com)

Design scientific visualization

AI Art Prompt Showcase: From Dreamy Forests to Cyberpunk Dragons

2025-04-15

AI Art Prompt Showcase: From Dreamy Forests to Cyberpunk Dragons

This post is a collection of prompts for generating AI art, covering a wide range of styles and subjects. From dreamy forests and regal goddesses to photorealistic portraits, cyberpunk elements, fantastical creatures, and creative food and nature scenes, these detailed prompts offer inspiration for AI art enthusiasts. Many include details like photographers, styles, and lighting information to enhance the final output.

(foundationvision.github.io)

AI prompts

Lightweight DataFrame in MicroHs: A Haskell 2010 Adventure

2025-09-11

Starting with a Frege (JVM Haskell) Android project in 2015, the author's functional programming journey led to a quest to decouple their DataFrame library from GHC for MicroHs compatibility. This post details implementing core DataFrame functionality – construction, basic expressions, `filterWhere`, `derive`, and Markdown rendering – in Haskell 2010, without GADTs, type families, or reflection. The experiment demonstrates that while verbose, the core functionality remains viable, offering portability between MicroHs (for tiny CLIs or embedded contexts) and GHC (for speed and ecosystem access). MicroHs binaries are roughly 100x smaller but 5-10x slower; a worthwhile trade-off for many data-wrangling tasks, allowing a GHC backend for heavy lifting.

(mchav.github.io)

Development

Space Crystals: Overcoming Earth's Gravity for Better Drug Discovery

2025-04-14

Space Crystals: Overcoming Earth's Gravity for Better Drug Discovery

Growing high-quality protein crystals on Earth is challenging due to gravity-induced sedimentation, convection currents, and impurity issues. In microgravity, however, these problems are significantly reduced, leading to more uniform and higher-resolution crystals. Studies show microgravity-grown crystals exhibit significant improvements in morphology, uniformity, and resolution, with major implications for drug discovery, food chemistry, and structural biology. Spark Gravity aims to lower the barrier to entry for protein crystal research by simulating microgravity environments, accelerating the research process.

(sparkgravity.com)

Tech protein crystals

Were Earth's Ancient Oceans Green?

2025-04-27

Were Earth's Ancient Oceans Green?

A new study published in Nature Geoscience challenges our understanding of Earth's oceans. Researchers suggest that billions of years ago, the oceans were green, not blue! High iron dissolution from continental rocks led to iron-rich oceans, making green light dominant underwater. Early cyanobacteria adapted by evolving pigments that absorbed green light, resulting in a green ocean. This research reveals a fascinating chapter in Earth's history and hints at the possibility of future ocean color shifts.

(newatlas.com)

Tech Earth Science Ocean Cyanobacteria

Century-Old Mine's Secret: The Mystery of Ground Subsidence

2025-05-08

Century-Old Mine's Secret: The Mystery of Ground Subsidence

Multiple sinkholes have appeared on I-80 near Wharton, New Jersey, causing massive traffic disruptions. Investigations revealed these weren't natural occurrences, but rather the legacy of numerous underground iron mines from the past century. Early mining practices lacked planning and regulation, leaving behind unstable voids that, combined with water erosion, eventually led to surface collapses. The issue highlights complex land ownership, the challenges of predicting and mitigating such disasters, and underscores the importance of sustainable mining practices.

(practical.engineering)

Tech ground subsidence mining safety

Philips Launches World's First Native DICOM JPEG XL Pathology Scanner

2025-09-20

Philips announced the addition of the Pathology Scanner SGi to its SG300 and SG60 scanner offerings. This scanner features configurable DICOM JPEG and DICOM JPEG XL output, making it the world's first to offer native DICOM JPEG XL output. DICOM JPEG XL output files are up to 50% smaller while maintaining high image quality, allowing pathology labs to more efficiently store, manage, and analyze growing volumes of digital pathology data, improving workflows both on-premise and in the cloud. Analysts see this adoption of DICOM in pathology as a significant step towards scalable, interoperable imaging workflows, reducing infrastructure costs and enabling integration with a wider range of AI tools.

(www.philips.com)

Tech Digital Pathology

Culture Wars: The New Fault Line in Politics

2025-05-13

Culture Wars: The New Fault Line in Politics

A new study by Gennaioli and Tabellini challenges the traditional class-based understanding of political polarization. They argue that political divisions are increasingly driven by cultural identities, not economic interests. People choose identities based on prevailing social conflicts; economic issues highlight class divisions, while cultural issues (immigration, morality) create opposing cultural groups. Political parties exploit this, investing in identity-based propaganda to amplify cultural stereotypes and radicalize positions. A survey of US citizens supports this, showing cultural identity, not economic status, dictates views on welfare, taxes, etc. The "China shock" provides empirical evidence, showing that in economically impacted areas, culturally conservative voters reduced support for redistribution and increased anti-immigration sentiment. This shift explains the rise of right-wing populism despite growing inequality. The left's focus solely on inequality ignores the powerful influence of cultural identity, leading to electoral losses.

(www.unibocconi.it)

Misc political polarization cultural identity

The Myth of the Arrow Volley: Why Hollywood Gets Archery Wrong

2025-05-04

The Myth of the Arrow Volley: Why Hollywood Gets Archery Wrong

This article debunks the common Hollywood trope of coordinated arrow volleys in battles. Historically, archers didn't fire in synchronized volleys; instead, they shot individually. Volley fire is a tactic suited to slow-loading ranged weapons like firearms, compensating for their reload times. The author explains why volley fire was impractical for archers (high draw weight leads to archer exhaustion), and reveals the actual lethality of arrow barrages was far lower than depicted in films. Even powerful warbows struggled against armored infantry, with shields and armor significantly reducing arrow effectiveness. Historical examples demonstrate that arrow fire's primary impact was on morale and combat effectiveness, not mass casualties. The article highlights the discrepancy between cinematic portrayals and historical reality.

(acoup.blog)

Misc film accuracy weaponry

Gamers Flood Visa and Mastercard with Calls After Steam and itch.io Ban Adult Games

2025-07-29

Gamers Flood Visa and Mastercard with Calls After Steam and itch.io Ban Adult Games

Following Steam and itch.io's crackdown on adult games, gamers have launched a coordinated campaign targeting payment processors Visa and Mastercard. Players are bombarding the companies with phone calls and emails, aiming to pressure them into reversing their policies. While the payment processors claim their actions are to comply with regulations, gamers argue the impact is too broad, potentially affecting other games. The campaign, heavily discussed on platforms like Reddit and Bluesky, demonstrates impressive organization, with gamers sharing strategies and even creating scripts for contacting representatives.

(www.polygon.com)

Game gamer protest

The Truth About the Short Range of the Weak Nuclear Force: It's Not Quantum Mechanics

2025-01-15

The Truth About the Short Range of the Weak Nuclear Force: It's Not Quantum Mechanics

A long-standing misconception attributes the short range of the weak nuclear force to the uncertainty principle and virtual particles in quantum mechanics. This article argues that the short range is actually due to the inherent 'stiffness' of the field itself. This 'stiffness' makes it more energetically costly to change the field's value, thus limiting the force's range. While quantum mechanics explains the mass of the W and Z bosons associated with the weak force, this is unrelated to the force's short range. The author uses analogies and mathematical derivations to clearly explain how 'stiffness' leads to both short-range forces and particle mass, correcting a long-held misunderstanding.

(profmattstrassler.com)

Physics weak nuclear force

From Dallas's Disappearance to the Rise of D&D: A Game-Fueled Cultural Phenomenon

2025-05-24

In 1979, the disappearance of teenage prodigy James Dallas Egbert III sparked a media frenzy linking his vanishing to the then-new game Dungeons & Dragons. Celebrity detective William Dear's investigation fueled the fire, leading to widespread panic and ultimately, unexpected popularity for the game. This article recounts the author's personal journey into the world of D&D, starting at age 11, and explores the game's fascinating history, from its origins to its current mainstream status, weaving together a compelling narrative about games, culture, and social phenomena.

(timharford.com)

Game Game Culture Social Phenomenon

AI: Revolutionizing Education, One Classroom at a Time

2025-06-26

AI: Revolutionizing Education, One Classroom at a Time

A growing number of K-12 teachers in the US are leveraging AI tools to enhance their teaching, using platforms like ChatGPT to create lesson plans, grade assignments, and boost efficiency. A recent survey reveals that 60% of teachers utilized AI tools in the past year, saving approximately six hours per week and mitigating burnout. While some states have issued guidelines on AI's classroom use, challenges remain in preventing AI from replacing teacher judgment and in educating students on responsible AI usage. Many teachers are cautiously incorporating AI, using it only in later stages of projects and ensuring students retain core skills. AI is transforming education, but the crucial role of teacher judgment and students' critical thinking skills remains paramount.

(apnews.com)

Tech teacher efficiency classroom applications

South Asia's Warming Hole: How Pollution and Irrigation Mask Global Warming

2025-06-10

South Asia's Warming Hole: How Pollution and Irrigation Mask Global Warming

South Asia has warmed far slower than the rest of the world over the past 40 years, a phenomenon dubbed the "warming hole." Scientists attribute this to high levels of air pollution and expanding irrigation. Pollutants like sulfate particles and soot reflect or absorb sunlight, cooling the surface. Evaporation from irrigation also has a cooling effect. However, as pollution control measures take effect and irrigation expansion slows, this cooling effect will diminish, leaving South Asia vulnerable to a more dramatic temperature increase and potentially leading to more heat-related deaths. The region faces a challenge in balancing pollution control with climate change adaptation.

(www.economist.com)

Tech irrigation

Anthropic's Claude 3.7: Reasoning AI Powered by Reinforcement Learning

2025-02-24

Anthropic's Claude 3.7: Reasoning AI Powered by Reinforcement Learning

Anthropic has launched Claude 3.7, an upgraded AI model that distinguishes itself from traditional large language models (LLMs) by focusing on reasoning capabilities. Trained using reinforcement learning, Claude 3.7 excels at solving problems requiring step-by-step thinking, particularly coding challenges, outperforming OpenAI's models on certain benchmarks. This advancement stems from additional training data and optimizations for business applications like code writing and legal question answering. The release of Claude Code further enhances its practicality in AI-assisted coding, providing robust support for complex code planning.

(www.wired.com)

AI

Trump Threatens Tariffs on Nations Regulating US Tech

2025-08-26

Trump Threatens Tariffs on Nations Regulating US Tech

Donald Trump threatened to impose additional tariffs on countries that regulate American tech companies. He claims digital taxes and similar measures harm US tech firms while giving Chinese companies a pass. This could lead to tech export bans, potentially hurting even US chipmakers. However, this threat might be another Trumpian bluster, possibly ending with no action or minor concessions through negotiations.

(www.theregister.com)

Tech

Biff: A Customizable Full-Stack Clojure Web Framework

2025-05-20

Biff: A Customizable Full-Stack Clojure Web Framework

Biff is a novel Clojure full-stack web framework that curates libraries and tools from across the ecosystem into one polished whole. It features immutable database support, schema enforcement with Malli, and uses hyperscript for rich, interactive UIs without leaving the backend. Passwordless email-based authentication (magic links and one-time passcodes) is included. Deploy via Ubuntu VPS provisioning or a Dockerized Uberjar. Changes are evaluated on file save, and a production REPL allows for live development. Biff boasts strong defaults but is designed to be easily modified as your needs evolve.

(biffweb.com)

Development Full-Stack

Microsoft Bets Big on India's AI Future: A $3 Billion Investment

2025-01-07

Microsoft Bets Big on India's AI Future: A $3 Billion Investment

Microsoft CEO Satya Nadella announced a $3 billion investment in India to expand its AI and Azure cloud services, leveraging India's massive population to fuel revenue growth. The plan includes training 10 million Indians in AI skills. This investment will build a scalable AI computing ecosystem for Indian startups and researchers, highlighting the intense competition among tech giants for the Indian market and its potential as a leading developer hub.

(techcrunch.com)

Tech

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