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Arduboy Faces Extinction Due to US-China Trade War

2025-05-07
Arduboy Faces Extinction Due to US-China Trade War

The founder of Arduboy, Kevin, is facing a dire situation due to escalating US-China trade tensions. High tariffs make selling Arduboy in the US nearly impossible, threatening the company's existence. Kevin is exploring various options, including international dropshipping, manufacturing in other countries, and seeking government grants, to navigate the crisis. Relocating the company to Europe or Australia, and transitioning community management, are also under consideration. The future of Arduboy hangs in the balance.

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(community.arduboy.com)
Hardware

US-China Trade War: 90-Day Truce, Massive Tariff Cuts

2025-05-12
US-China Trade War: 90-Day Truce, Massive Tariff Cuts

In a surprise breakthrough, the US and China agreed to significantly roll back tariffs on each other's goods for 90 days, easing the punishing trade war and boosting global markets. The US will temporarily lower tariffs on Chinese goods from 145% to 30%, while China will cut tariffs on US imports from 125% to 10%. Both sides committed to establishing a mechanism for continued dialogue on economic and trade relations. The news sent global markets soaring, easing recession fears.

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(edition.cnn.com)
Tech US-China trade

Metaflow: Streamlining ML Application Development

2025-08-16
Metaflow: Streamlining ML Application Development

Metaflow, developed at Netflix, tackles the challenges data scientists and ML engineers face in building applications. It simplifies data processing, compute resource management, workflow orchestration, version control, and deployment. This robust yet user-friendly platform empowers users to quickly iterate on ideas using Python and deploy confidently, leaving the low-level infrastructure—data, compute, orchestration, and versioning—to Metaflow. Now powering thousands of applications at companies like Netflix and CNN, Metaflow offers commercial support through Outerbounds.

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(docs.metaflow.org)
Development

The Chordonomicon: 680,000 Songs Reveal the Evolution of Pop Music Chords

2025-04-18
The Chordonomicon: 680,000 Songs Reveal the Evolution of Pop Music Chords

An analysis of nearly 680,000 songs reveals fascinating trends in chord usage across different genres and decades. G major and C major reign supreme, but genre preferences diverge sharply: country music favors simple major chords, while jazz incorporates more complex seventh chords and others. The study tracks the rise and fall of various chord types, highlighting a decline in unique chord usage in recent decades, suggesting a trend towards simpler, more repetitive chord progressions in pop music.

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(www.cantgetmuchhigher.com)
Misc music data analysis pop music

Foundations of Computer Vision: A Decade in the Making

2025-06-15

After a decade-long journey, Torralba, Isola, and Freeman have published "Foundations of Computer Vision." Instead of aiming for complete coverage, the book focuses on fundamental concepts, approaching the subject from image processing and machine learning perspectives. It features numerous visualizations and progresses through image formation, learning foundations, signal processing, neural networks, and explores advanced topics like generative models and representation learning. The book's rigorous structure and clear explanations make it suitable for undergraduates, graduate students, and professionals alike.

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(visionbook.mit.edu)
Development

Late-Night Workouts? New Study Links Intense Exercise Before Bed to Sleep Disruption

2025-04-25
Late-Night Workouts? New Study Links Intense Exercise Before Bed to Sleep Disruption

A large-scale study involving 14,689 participants reveals a significant link between strenuous exercise within four hours of bedtime and impaired sleep quality. Participants experienced delayed sleep onset, shorter sleep duration, increased resting heart rate, and reduced heart rate variability after intense workouts close to sleep. The research, published in Nature Communications, recommends ending exercise at least four hours before bed for optimal sleep health. If exercising within this window, low-intensity activities are suggested to minimize disruption. This study provides crucial insight into the impact of exercise timing on sleep and highlights the importance of considering intensity and scheduling for better sleep.

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(medicalxpress.com)
Health

arXivLabs: Community Collaboration on arXiv Feature Development

2025-04-20
arXivLabs: Community Collaboration on arXiv Feature Development

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the website. Individuals and organizations involved share arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only partners with those who adhere to them. Have an idea to enhance the arXiv community? Learn more about arXivLabs.

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(arxiv.org)
Development

Parcom: A Concise Parser Combinator Library for Common Lisp

2025-04-22
Parcom: A Concise Parser Combinator Library for Common Lisp

Parcom is a concise parser combinator library for Common Lisp, similar in style to Haskell's Parsec and Rust's Nom. Operating directly on strings with no dependencies, it boasts broad Common Lisp implementation support and offers a rich set of parsers and combinators for building custom parsers. Parcom also includes an optional JSON parser supporting Unicode. Its strength lies in its ability to combine existing parsers to create complex parsing logic, delivering powerful functionality through a clean API.

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(github.com)
Development Parser Combinators

TacOS: A From-Scratch OS Running DOOM

2025-04-24
TacOS: A From-Scratch OS Running DOOM

A developer has released TacOS, an open-source operating system with a kernel written in C and assembly. This UNIX-like kernel boasts features including a VFS, scheduler, TempFS, device drivers, context switching, virtual memory management, and physical page frame allocation. Remarkably, it can run DOOM and other smaller user-space programs. It's been tested on real hardware and in QEMU. While still a work in progress with known bugs, TacOS is a fascinating hobby project.

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(github.com)
Development

Becoming a 10x Engineer with AI: A Mindset Shift

2025-06-12
Becoming a 10x Engineer with AI: A Mindset Shift

This post details how the author leverages AI to significantly boost their software engineering productivity. Instead of viewing AI as a mere code generator, they see it as a highly experienced engineering partner. The key is effective prompt engineering to maximize AI's potential. The author stresses the importance of well-crafted prompts and the necessity of verifying AI-generated code. Beyond code generation, AI is used to understand complex concepts and accelerate learning. The author encourages engineers to actively experiment and continuously learn to become truly AI-native.

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(rfitz.io)
Development

SF's Valencia Street Gets First Permanent Open-Air Drinking Zone

2025-06-12
SF's Valencia Street Gets First Permanent Open-Air Drinking Zone

San Francisco's Valencia Street is launching a pilot program allowing patrons of participating bars and restaurants to legally consume alcoholic beverages on the sidewalk from noon to midnight, Sunday through Thursday. This marks the city's first permanent open-air drinking zone not tied to a specific event, aiming to revitalize nightlife and attract younger crowds as part of post-pandemic recovery efforts. The initiative, supported by local businesses and the SFPD, includes security measures like wristbands and designated cups. While some businesses are hesitant, the program is expected to significantly impact the city's landscape and business models, setting a precedent for future similar projects.

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(missionlocal.org)
Misc Open-Air Drinking Post-Pandemic Recovery

The Secret to Effortless Conversations: Give People Something to Look At

2025-04-24
The Secret to Effortless Conversations: Give People Something to Look At

The author noticed that conversations flowed more easily while walking, hiking, or driving, and also in group settings involving games. Initially, he attributed this to shared activities or interests, but later realized the key was a shared visual focus. When people have something to look at—a path, a game board, etc.—the pressure of eye contact is lessened, making conversations more natural. The author tested this hypothesis at work, finding that having interviewees write on a whiteboard or displaying notes during meetings significantly reduced tension and fostered collaboration. The conclusion: for relaxed conversation, give people something to look at.

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(staysaasy.com)
Misc interpersonal relationships

Programmer as Artist: Generative Art Through Code

2025-04-23
Programmer as Artist: Generative Art Through Code

A programmer-artist shares his approach to creating generative art using programming languages. He favors interactive languages like Lisp and Smalltalk, modifying code in real-time while the program runs and inspecting its state for creative exploration. His inspiration comes from natural systems and art history; for example, he replicated Kandinsky's style to generate countless similar patterns through code. He views art and scientific research as similar, both relying on creative problem-solving, while noting that AI, though capable of generating images, lacks the self-transformation and enhanced perception inherent in human artistic creation.

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(thecreativeindependent.com)
Design Generative Art Coding Art

Crafting the Worst Possible Python Code: A How-To Guide

2025-06-14
Crafting the Worst Possible Python Code: A How-To Guide

This humorous guide teaches you how to write the most incomprehensible and frustrating Python code imaginable. Through a series of negative examples, such as using cryptic variable names (like `data1`, `temp`) and complex nested loops, the author demonstrates how to create truly terrible code. The ultimate goal is to highlight the importance of writing clean, understandable code and avoiding the creation of unmaintainable technical debt.

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(effective-programmer.com)
Development

Canada's Border Bill Sneakily Includes Warrantless Internet Access

2025-06-05
Canada's Border Bill Sneakily Includes Warrantless Internet Access

Canada's new Strong Border Act (Bill C-2), ostensibly focused on border security, contains provisions enabling warrantless access to internet subscriber data. This circumvents Supreme Court rulings protecting user privacy, granting law enforcement powers to obtain subscriber information, issue global production orders, and directly access data held by electronic service providers. The move raises significant privacy and civil liberties concerns, sparking opposition and criticism of government overreach. Additional regulations targeting 'core providers' allow direct law enforcement access to their networks for data interception and testing, raising further concerns about costs and security.

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(www.michaelgeist.ca)
Tech internet surveillance Canadian law

Data Commons MCP Server Goes Public: A New Data Engine for AI Applications

2025-09-24
Data Commons MCP Server Goes Public: A New Data Engine for AI Applications

Google's Data Commons has publicly released its MCP Server, a standardized interface allowing AI agents to directly access Data Commons' vast public datasets. This simplifies data access, accelerates development of data-rich AI applications, and helps reduce Large Language Model hallucinations. A successful example is the ONE Data Agent, developed in partnership with the ONE Campaign, which uses the MCP Server to quickly search tens of millions of health financing data points, empowering global health advocacy. The MCP Server integrates seamlessly into various AI development workflows, such as Google Cloud Platform's ADK and Gemini CLI.

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(developers.googleblog.com)
AI

Avro Arrow: The Canadian Supersonic Jet That Never Was

2025-04-23
Avro Arrow: The Canadian Supersonic Jet That Never Was

The Avro Arrow, a Canadian-built supersonic interceptor hailed as the world's best in its time, was abruptly cancelled in 1959, with all planes and blueprints destroyed. This article recounts the Arrow's rise and fall, exploring the political and technological factors behind its demise and its enduring legacy. Despite its cancellation, the project showcased Canada's aeronautical prowess and national pride. Many engineers involved later contributed to the American space program, highlighting a continuation of Canadian expertise in aerospace.

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(watershedmagazine.com)
Tech aviation history Canadian history

Cuba Suffers Nationwide Blackout After Grid Collapse

2025-03-15
Cuba Suffers Nationwide Blackout After Grid Collapse

A nationwide power outage plunged Cuba into darkness Friday night after its power grid collapsed. The failure, originating at the Diezmero substation, caused a significant loss of generation in western Cuba and crippled the national electric system. While efforts are underway to restore power, with some localized systems already back online, the full restoration timeline remains unclear. This latest outage adds to a string of power failures plaguing the island, highlighting issues with aging infrastructure, natural disasters, and economic turmoil. The government cites US sanctions, while critics point to a lack of domestic investment. The widespread blackout has caused significant disruption for Cubans, many of whom rely on electricity for cooking and refrigeration.

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(www.cnn.com)
Tech Cuba Power Grid

Curiosity Rover Uncovers Evidence of Ancient Martian Carbon Cycle

2025-04-18
Curiosity Rover Uncovers Evidence of Ancient Martian Carbon Cycle

NASA's Curiosity rover has discovered significant carbonate deposits on Mount Sharp within Gale Crater on Mars, suggesting a past carbon cycle. This finding supports theories of a thicker ancient Martian atmosphere and potential habitability. Researchers believe that as Mars' atmosphere thinned, CO2 transformed into rock, leading to a colder climate and the loss of habitability. The discovery provides crucial insights into Mars' climate transitions and habitability, offering new avenues in the search for extraterrestrial life.

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(phys.org)
Tech

Stochastic Calculus: A Deep Dive from Physics to Finance

2025-04-16

This post delves into stochastic calculus, extending regular calculus to stochastic processes. Starting with the measure-theoretic definition of probability, it covers stochastic processes, the Wiener process, Itô calculus, and applications in physics and finance. The author blends intuition with rigor, using examples like the Langevin equation to illustrate key concepts. It's a comprehensive yet accessible guide to a complex topic.

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(bjlkeng.io)
Development stochastic processes Itô calculus

Resurrecting the Old Web: Blogs and RSS Feeds Make a Comeback

2025-09-25
Resurrecting the Old Web: Blogs and RSS Feeds Make a Comeback

A Maine news story about middle schoolers using landlines sparked a reflection on the current state of social media. The author argues that social media has become an addictive noise machine, and people long for the simpler, purer connection of the early internet. To address this, the author advocates a return to blogs and RSS feeds, creating a 'bear blog' platform to share thoughts and connect with other blogs via links, mimicking the simpler networking of the old web. The author calls for breaking free from the social media dopamine loop and collectively building a purer online experience.

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(stevedylandev.bearblog.dev)
Misc

Go Scripting Library: script — Simplifying Sysadmin Tasks

2025-01-31
Go Scripting Library: script — Simplifying Sysadmin Tasks

The `script` library for Go provides shell-script-like capabilities for system administrators, including reading files, executing subprocesses, counting lines, matching strings, and more. It processes data streams using a pipeline approach with a clean API, making Go programming as efficient and convenient as shell scripting. `script` supports a wide range of operations, from file I/O and HTTP requests to external command execution and custom filters, significantly simplifying system administration tasks. For example, it easily replicates `grep` functionality and supports concurrent execution for improved performance.

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(github.com)
Development Sysadmin

Open Source Project Arnis: Replicating Real-World Locations in Minecraft

2024-12-31
Open Source Project Arnis: Replicating Real-World Locations in Minecraft

Arnis is an open-source project written in Rust that generates any chosen location from the real world in Minecraft Java Edition with a high level of detail. Leveraging geospatial data from OpenStreetMap and the power of Rust, Arnis efficiently creates complex and accurate Minecraft worlds reflecting real-world geography and architecture. Users select an area, and Arnis processes the data to generate a Minecraft world centered at coordinates 0,0,0. Originally developed in Python, it was ported to Rust for enhanced performance.

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(github.com)
Game Map Generation

Keyword Parameters in Tcl Procs: An Elegant Solution and a Metaprogramming Headache

2025-04-21

Frustrated by the lack of keyword parameters and the inaccessibility of built-in features in some programming languages, the author tackled the challenge of implementing keyword parameters in Tcl. The article presents a clever `proc*` command enabling keyword arguments in Tcl procs and details its implementation. However, due to Tcl's weak metaprogramming capabilities, the author resorted to regular expressions for string templating, resulting in complex and unwieldy code, highlighting Tcl's limitations in metaprogramming.

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(world-playground-deceit.net)
Development keyword parameters

C++26: A Giant Leap for constexpr

2025-04-23

C++26 is set to revolutionize constexpr! Upcoming features include constexpr casts from void*, enabling more flexible compile-time memory manipulation; constexpr placement new, allowing object placement within constant expressions; and constexpr structured bindings, bringing compile-time structured binding. These improvements drastically expand constexpr's reach and empower the standard library with significantly enhanced compile-time capabilities.

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(www.sandordargo.com)
Development compile-time computation

Optimizing Aggregate Packing Density for Enhanced Compressive Strength in Biocemented Materials

2025-05-27
Optimizing Aggregate Packing Density for Enhanced Compressive Strength in Biocemented Materials

Researchers significantly improved the compressive strength of biocemented materials by optimizing the packing density of aggregate mixtures. They employed the Modified Andreassen model to design an optimal particle size distribution curve, which was validated through compaction experiments. The optimized mix exhibited higher aggregate packing density during biomineralization, leading to reduced cementation solution consumption. Subsequently, an improved stop-flow pressure-based injection method was used for biomineralization experiments to investigate the impact of varying cementation solution pressure and concentration on biomineralization depth and compressive strength. Results showed that optimal UACP content, pressure, and concentration yielded high-strength, homogeneous biomineralized specimens, with a maximum compressive strength of 57.4 MPa – significantly exceeding previous studies. Lower flow rates and higher aggregate packing density were also found to be beneficial for achieving higher ultrasonic wave velocities and compressive strengths.

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(www.nature.com)
Tech biomineralization compressive strength packing density

Finnish Sand Battery Revolutionizes Heat Storage

2025-09-03
Finnish Sand Battery Revolutionizes Heat Storage

Polar Night Energy, a Finnish company, has developed a groundbreaking energy storage solution: the sand battery. This system uses excess renewable energy to heat massive quantities of sand (or other heat-resistant materials), storing thermal energy for months before releasing it to provide heating for homes, factories, and more. A large-scale deployment in Pornainen, Finland, by Loviisan Lämpö has reduced district heating carbon emissions by 70% and demonstrated profitability through participation in electricity reserve markets. The technology holds significant promise for industrial process heat and district heating applications, offering a novel approach to clean energy transition.

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(cleantechnica.com)
Tech

Pixelated Video Isn't Secure: A $50 Bounty and the Power of Reverse Engineering

2025-04-15

A YouTuber pixelated a section of a video showing a folder's contents and offered a $50 bounty for anyone who could decipher it. Within a day, three individuals successfully recovered the information using techniques involving TensorFlow and other tools. This experiment demonstrates that simple pixelation is not a secure method for concealing information, especially in moving videos. AI-assisted reverse engineering makes it surprisingly easy to de-pixelate. The YouTuber concludes that solid color masks are a better solution for hiding sensitive data.

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(www.jeffgeerling.com)
Tech video security

Thousands Mistakenly Believe They Won the Lottery Due to Coding Error

2025-07-01
Thousands Mistakenly Believe They Won the Lottery Due to Coding Error

Thousands of Norwegians mistakenly thought they'd won life-changing sums in the Eurojackpot lottery due to a manual coding error by Norsk Tipping, the state-owned operator. A conversion error multiplied winnings by 100 instead of dividing, briefly displaying vastly inflated jackpots on their website. While no incorrect payouts were made, the mistake led to the CEO's resignation and sparked concerns about the company's internal controls. This isn't Norsk Tipping's first recent blunder; previous technical issues and regulatory breaches have also been reported. The new acting CEO aims to restore public trust.

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(www.theregister.com)
Misc Lottery error Coding mistake CEO resignation
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