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Carbon: An Open-Source Operating System for Manufacturing – Challenging the ERP Status Quo

2025-08-05

Carbon: An Open-Source Operating System for Manufacturing – Challenging the ERP Status Quo

Carbon is an open-source operating system built for manufacturing, designed to address shortcomings in existing ERP systems: lack of modern tooling, vendor lock-in, and the absence of a 'one-size-fits-all' solution. It features an API-first architecture, empowering users to extend the platform through custom app development with readily available building blocks and tools. Built using Turborepo for efficient monorepo management, Carbon integrates with services like Supabase, Redis, and Stripe. Installation and deployment are streamlined via command-line instructions, and example code facilitates rapid onboarding.

(github.com)

Development

World's Most Impractical 1000-Pixel Display: Interactive Art Meets Lo-fi Tech

2025-08-05

World's Most Impractical 1000-Pixel Display: Interactive Art Meets Lo-fi Tech

A developer spent six years building Kilopixel, a ridiculously inefficient 1000-pixel display controlled via a web interface. Using a custom CNC machine and a unique pixel-turning mechanism, the display updates at a glacial pace (10 pixels per minute). Users can submit artwork or collaborate in real-time to create images on this unique wooden contraption. The project showcases a blend of web development, physical computing, CNC machining, and meticulous craftsmanship. Kilopixel is a testament to creative problem-solving and the intersection of art and technology.

(benholmen.com)

Hardware

Could a Twin Earth Detect Us?

2025-02-05

Could a Twin Earth Detect Us?

A new study investigates whether an extraterrestrial civilization with technology similar to ours could detect Earth and evidence of humanity. Researchers found that Earth's radio signals, such as planetary radar emissions from the former Arecibo Observatory, are the most detectable technosignatures, potentially visible from up to 12,000 light-years away. Atmospheric technosignatures, like nitrogen dioxide emissions, are also becoming more detectable thanks to advancements like the James Webb Space Telescope and the upcoming Habitable Worlds Observatory. This research provides a multiwavelength framework for understanding the detectability of technology on other planets and shaping our search for extraterrestrial intelligence.

(www.seti.org)

Tech technosignatures

The Non-Deterministic Nightmare of React UI Testing

2025-01-31

Testing React UIs presents a unique challenge due to its asynchronous update mechanism. Unlike direct DOM manipulation, React's renderer updates the UI asynchronously, making it difficult for tests to precisely capture the timing of UI state updates. Testing utilities like `act` and `waitFor` offer workarounds, but essentially boil down to 'eventually, something will happen'. Minor UI changes (like animation delays, state update order) can easily break tests, requiring extensive modifications to existing test suites. This results in high maintenance costs for React UI testing, a common pain point for many development teams.

(blog.bennett.ink)

Development UI testing asynchronous rendering

Writing: A Powerful Tool for Untangling Thoughts

2025-02-28

Our minds are like cluttered archives, struggling to organize information effectively. Writing acts as scaffolding, helping us build a clear framework for our thoughts. It forces us to untangle the chaos in our heads, piecing together scattered fragments into a coherent whole, revealing hidden biases and blind spots. Through writing, we can expand our mental horizons, expressing ideas more clearly and coherently than in face-to-face communication, offering even greater insight. Writing reveals the gaps in our understanding, helping us to understand ourselves and the world more deeply.

(kupajo.com)

Misc

Dell Axes XPS Brand in Major PC Lineup Restructuring

2025-01-06

Dell is dropping the XPS, Latitude, Inspiron, and Precision brands, streamlining its PC lineup to Dell, Dell Pro, and Dell Pro Max. This move aims to simplify product identification and better target the growing AI PC market. While nostalgic for long-time users, Dell claims the new branding will offer clearer product segmentation, improved durability, and enhanced performance. The change follows a controversial redesign of the XPS line and a shift toward emphasizing AI capabilities in its new offerings.

(arstechnica.com)

Tech Dell rebranding

Tokyo's Major Train Stations: A Comprehensive List

2025-08-28

This list details many of Tokyo's crucial train stations, ranging from the bustling Akihabara to the tranquil Sugamo, encompassing major areas of the city. These stations connect to Tokyo's intricate transportation network, serving as indispensable hubs for exploring the metropolis. The list is incredibly useful for planning a trip to Tokyo or understanding its geographical layout.

(yamanot.es)

Misc Tokyo transportation train stations

Affordable Vision-Based GNSS-Denied Strapdown Celestial Navigation for UAVs

2025-01-20

Affordable Vision-Based GNSS-Denied Strapdown Celestial Navigation for UAVs

This paper presents a low-cost, lightweight strapdown celestial navigation solution for Uncrewed Aerial Vehicles (UAVs) operating in Global Navigation Satellite System (GNSS)-denied environments. Utilizing a modular system with a stabilized imaging system and a low-cost Attitude and Heading Reference System (AHRS), the algorithm achieves position estimates within 4 km accuracy. By performing an orbital maneuver through a full compass rotation and averaging position outputs, biases inherent in the strapdown system are nullified. An iterative method for in-flight geometric alignment of the camera with the AHRS, without external position input, is also presented. The results demonstrate the potential for low-cost celestial navigation as a redundant navigation modality in affordable, lightweight drones.

(www.mdpi.com)

Tech UAV Navigation Celestial Navigation GNSS Denial

Open-Source Piano Trainer App Released

2025-07-07

Open-Source Piano Trainer App Released

Piano Trainer is a free and open-source piano practice application offering various practice modes: scales, chords, fifths, and interactive quizzes. It's MIDI compatible, cross-platform, and supports home-row keyboard input. Future updates include more scales, settings, togglable quiz questions, and customizable keyboard sounds. Download it for free on itch.io or build from source on GitHub.

(github.com)

Game practice app

Tufts Grad Student's Arrest Sparks Protest

2025-03-27

Tufts Grad Student's Arrest Sparks Protest

A protest erupted at Powder House Park following the detention of Tufts graduate student Rumeysa Ozturk by federal authorities. Ozturk, a doctoral candidate, was apprehended on her way to a Ramadan Iftar. The protest, organized by various activist groups, condemned the arrest and highlighted concerns about immigration rights and the targeting of immigrant communities. Speakers urged community involvement and criticized politicians for issuing statements without taking concrete action. The event underscored the need for continued resistance against what protesters see as unjust practices.

(www.tuftsdaily.com)

Misc immigration rights community action

Math Academy: From the Valley of Despair to Math Mastery

2025-03-05

Math Academy: From the Valley of Despair to Math Mastery

This is a personal story about learning math, from initial overconfidence to hitting rock bottom in high school, and finally achieving math mastery through the Math Academy platform. The author uses the five stages of the Dunning-Kruger effect to illustrate the complexities of confidence and competence during the learning journey. Math Academy's AI-powered adaptive learning system provided an efficient and structured approach, ultimately leading the author to transition from teaching to a career in machine learning.

(mikelikejordan.bearblog.dev)

Development math learning

OpenSSH Embraces Post-Quantum Cryptography: Future-Proofing SSH Security

2025-08-11

OpenSSH 10.0 now defaults to post-quantum key exchange algorithms (mlkem768x25519-sha256) to protect against future attacks from quantum computers. The article explains the potential risk quantum computing poses to existing cryptography, particularly the "store now, decrypt later" attack. OpenSSH mitigates this risk by using hybrid algorithms combining post-quantum and classical methods, ensuring security even if future cryptanalysis breaks the post-quantum component. OpenSSH 10.1 will warn users about non-post-quantum key exchange schemes, encouraging upgrades to stronger algorithms.

(www.openssh.com)

Tech

Smooth Scroll Animations: Say Goodbye to Janky Scrolling

2025-02-10

Smooth Scroll Animations: Say Goodbye to Janky Scrolling

Tired of janky scroll animations? The new Scroll-driven Animations specification is here! Integrating with the Web Animations API and CSS Animations API, it enables silky-smooth scroll animations running off the main thread. Create stunning effects like parallax backgrounds, reading progress indicators, and image reveals with minimal code. The article features numerous demos and a video course to help you get started building amazing scroll-driven experiences.

(scroll-driven-animations.style)

Development Scroll Animations

A Decade of JavaScript Frameworks: From Chaos to Consolidation?

2025-03-01

A Decade of JavaScript Frameworks: From Chaos to Consolidation?

A decade on, JavaScript frameworks have evolved from small, lightweight options to large, feature-rich ecosystems. The rise of server-side rendering and improvements in browser APIs have enabled code sharing between client and server, leading to the emergence of 'meta-frameworks'. This post explores the strengths and weaknesses of popular frameworks like Next.js and React Router, advocating for simple, maintainable technology choices like a traditional React SPA with an Express API backend, or carefully chosen combinations depending on project needs (e.g., Fastify or NestJS for backend APIs, coupled with meta-frameworks for the UI). While framework choice remains abundant, the author suggests that recent improvements in the JavaScript ecosystem have significantly improved the developer experience.

(allenpike.com)

Development JavaScript Frameworks Meta-Frameworks

Asteroid 2024 YR4 Impact Probability Significantly Reduced

2025-02-23

Asteroid 2024 YR4 Impact Probability Significantly Reduced

NASA continues to monitor the trajectory of asteroid 2024 YR4. Initial calculations suggested a 1.3% chance of Earth impact, rising briefly to 3.1%, but recent analysis shows this probability has dropped significantly to 0.28%. However, there's now a 1% chance of a lunar impact. The University of Hawaii's ATLAS system detected this near-Earth object, and its trajectory continues to be monitored. While the risk is currently very low, NASA will continue observations using the James Webb Space Telescope and other assets.

(www.universetoday.com)

Tech near-earth object

GitHub Action Compromise: tj-actions/changed-files Injecting Malicious Code

2025-03-15

GitHub Action Compromise: tj-actions/changed-files Injecting Malicious Code

A critical security incident has compromised the tj-actions/changed-files GitHub Action, impacting over 23,000 repositories. Attackers retroactively modified multiple version tags to point to a malicious commit, exposing CI/CD secrets in public build logs. StepSecurity Harden-Runner detected this anomaly. The compromised Action executes a malicious Python script that dumps secrets from the Runner Worker process. Immediate action is required: stop using the affected Action and review build logs for leaked secrets.

(www.stepsecurity.io)

Development Malicious Code

The Oklo Natural Nuclear Reactor: A 2-Billion-Year-Old Mystery Solved

2025-06-20

The Oklo Natural Nuclear Reactor: A 2-Billion-Year-Old Mystery Solved

In 1972, a peculiar discovery at the Oklo uranium mine in Gabon baffled scientists: the uranium ore contained a lower-than-expected proportion of uranium-235. Investigations revealed a naturally occurring nuclear fission reaction dating back over two billion years. The high uranium concentration, coupled with groundwater acting as a moderator, allowed a sustained chain reaction. This astonishing find demonstrates that natural nuclear reactors can exist, with Oklo remaining the only known example preserved to this day.

(www.iaea.org)

Tech natural phenomenon

DeepSeek's AI Model Triggers Tech Stock Selloff, Nvidia and ASML Plunge

2025-01-27

DeepSeek's AI Model Triggers Tech Stock Selloff, Nvidia and ASML Plunge

Nvidia and ASML Holding NV shares plummeted on Monday after Chinese AI startup DeepSeek released a new AI model offering comparable performance to Western counterparts at a fraction of the cost. Nvidia shares fell about 9% in premarket trading, while ASML dropped as much as 11%. The Nasdaq 100 futures also slumped. DeepSeek's success raises concerns about the disruption to the current AI business model, which relies heavily on high-end chips and significant computing power. The situation highlights China's potential to circumvent US export restrictions and underscores the geopolitical implications for the tech sector.

(finance.yahoo.com)

Tech Tech Stocks

Argentine President's Memecoin Promotion Ends in $107M Insider Dump

2025-02-16

Argentine President's Memecoin Promotion Ends in $107M Insider Dump

Argentine President Javier Milei's tweet promoting a memecoin called Libra, touted as a project to boost the Argentine economy, led to a spectacular crash. The token initially soared, but within hours, insiders holding roughly 82% of the tokens dumped their holdings, cashing out approximately $107 million and causing a 95% price drop. Milei subsequently deleted his tweet and claimed ignorance of the project's details. The incident highlights the risks of memecoins and the potential for manipulation in highly concentrated markets.

(www.web3isgoinggreat.com)

Misc Memecoin Market Manipulation

Tangled: A Decentralized Git Collaboration Platform Built on AT Protocol

2025-03-03

Tangled is a new social-enabled Git collaboration platform built on the AT Protocol, aiming to give developers full ownership of their code, enable open-source communities to self-govern, and make coding social and fun again. Combining the strengths of ActivityPub's federated model and Radicle's P2P approach, it uses lightweight 'knots' servers to simplify Git repository hosting. Tangled offers free managed knots and a consolidated app view at tangled.sh for seamless access and collaboration across the network. Still in its infancy, the team is building with a focus on data ownership, low barrier to entry, and a great user experience. Currently invite-only.

(blog.tangled.sh)

Development

BloodFlowTrixi.jl: High-Performance Blood Flow Models in Julia

2025-02-19

BloodFlowTrixi.jl: High-Performance Blood Flow Models in Julia

BloodFlowTrixi.jl is a Julia package implementing 1D and 2D blood flow models for arterial circulation, derived from the Navier-Stokes equations. Developed for PhD research on cardiovascular pathologies, it leverages the Trixi.jl framework for efficient Discontinuous Galerkin (DG) simulations. The package supports curvilinear geometries and compliant wall dynamics. Future development includes 3D fluid-structure interaction and vascular network simulations.

(github.com)

Development computational fluid dynamics

Backdoor Found in ESP32 Chip Threatens Millions of IoT Devices

2025-03-08

Backdoor Found in ESP32 Chip Threatens Millions of IoT Devices

Tarlogic Security researchers revealed at RootedCON an undocumented backdoor in the ESP32 microcontroller, used in millions of IoT devices. This vulnerability allows attackers to bypass code audits, impersonate devices, and permanently infect smartphones, computers, and smart locks. To address this, Tarlogic also unveiled BluetoothUSB, a free tool to simplify Bluetooth security audits. The discovery highlights the critical need for robust IoT security and underscores the importance of accessible security tools.

(www.tarlogic.com)

Tech Bluetooth security

Converge Careers: Redefining Career Development

2025-01-24

Converge Careers isn't your average job board. It's a personalized career development platform leveraging AI to help users understand their skills, identify career paths, and access relevant learning resources and opportunities. Think of it less as a job search engine and more as a career navigation system guiding users through the ever-evolving professional landscape.

(jobs.gem.com)

Startup talent matching

Tenerife Lunar Eclipse Shoot: A Battle Against the Odds

2025-03-24

Tenerife Lunar Eclipse Shoot: A Battle Against the Odds

Two photographers planned an ambitious shoot to capture a total lunar eclipse in Tenerife, using the Teide crater as a unique foreground. However, equipment malfunctions, severe weather, and even a car break-in threatened to derail their plans. Despite facing seemingly insurmountable challenges, their perseverance paid off, resulting in stunning images and timelapses of the lunar eclipse captured under extreme conditions. This story is a testament to the photographers' determination and passion for their craft.

(lrtimelapse.com)

Misc lunar eclipse Tenerife

Branchless UTF-8 Encoding: A Clever Hack

2025-01-17

Branchless UTF-8 Encoding: A Clever Hack

This article explores branchless UTF-8 encoding. The author starts with a problem: efficiently calculating the number of bytes needed for UTF-8 encoding. An initial solution using if-else statements is presented, but the author cleverly uses bit manipulation and lookup tables, leveraging Rust's features, to achieve branchless UTF-8 encoding and eliminate runtime array bounds checks. While performance isn't deeply analyzed, this article showcases a creative solution in the pursuit of elegant code, offering a fresh perspective on efficient UTF-8 encoding.

(cceckman.com)

Development UTF-8 encoding bit manipulation

TSMC's 2nm Node: Density King, But High Price May Be a Problem

2025-02-11

TSMC's 2nm Node: Density King, But High Price May Be a Problem

TSMC unveiled its 2nm platform technology at IEDM 2024, featuring energy-efficient nanosheet transistors and 3DIC co-optimization. The process boasts a 30% power improvement and 15% performance gain over its 3nm node, and is projected to be the densest in the 2nm class. However, analysis suggests that while early yield is impressive, a reported $30,000 per wafer price could hamper competitiveness, potentially opening the door for Intel and Samsung to gain market share. TSMC's 2nm node is expected to enter production in the second half of this year.

(semiwiki.com)

Tech 2nm node

PicoLisp Documentation: A Comprehensive Guide

2025-03-16

This document aims to guide you through mastering the PicoLisp programming language. It gathers scattered PicoLisp code and knowledge from the internet, providing tutorials, examples, and explanations of important concepts from beginner to advanced levels. The documentation covers efficient editing, different versions of PicoLisp (including the 64-bit version and ErsatzLisp in Java), online books, source code, and numerous useful libraries and frameworks such as Web.l, Macropis, and Pl-web. You'll learn how to build projects and share your creations with the community.

(picolisp.com)

Development

Gravelmap Update: Smarter Gravel Route Planning

2025-02-18

Gravelmap, now part of Whitewater, has received a major update! The new Gravelmap boasts enhanced filter controls to search routes by length, elevation, proximity, and more; a new route list view panel for easy browsing and comparison; improved route surface type detection and filtering for confident riding; and a refreshed homepage. Users can easily add and edit gravel segments, with warnings against duplicates and private property. Overall, the update focuses on smoother, more intuitive, and personalized gravel route planning.

(www.gravelmap.com)

Misc gravel roads

Warning: Several Email Clients with Critical Privacy Flaws

2025-07-19

A blog post highlights several email clients with serious privacy vulnerabilities, including Evolution Mail, Balsa, and Geary. These clients suffer from linkPreConnect and dnsLink vulnerabilities, with developers showing a lack of response and even refusing to warn users. The author urges developers to prioritize user privacy, promptly fix these issues, and advises against using these clients until the problems are resolved.

(www.emailprivacytester.com)

Tech email clients privacy vulnerabilities

Subaru Starlink Flaw Lets Hackers Unlock Cars, Track Location

2025-01-28

Subaru Starlink Flaw Lets Hackers Unlock Cars, Track Location

Security researchers discovered a critical vulnerability in Subaru's Starlink connected services, allowing hackers to access location data, remotely unlock doors, and more. By compromising Subaru employee accounts and exploiting an admin panel, attackers gained access to vehicle information. While the vulnerability has been patched, it highlights the serious security risks associated with connected cars.

(jalopnik.com)

Tech Subaru

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