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3D Scanning Brooklyn While Rollerblading

2025-05-04

The author created a device called "Helmdar" by combining rollerblading, LiDAR, and smartphone AR technology to scan urban environments while rollerblading. Helmdar fuses LiDAR data with the phone's 6DoF pose tracking data to generate 3D point cloud maps. The author shares the creation process, software implementation, and stunning 3D scans of Brooklyn at night, showcasing a unique urban exploration method and data visualization technique.

(owentrueblood.com)

Tech 3D scanning AR technology

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

2025-08-12

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

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

(interestingengineering.com)

Tech Solid Oxide Fuel Cell Low-Temperature Operation

Marginalia Search Index: A Significant Performance Boost

2025-08-17

The Marginalia search engine has undergone a significant index redesign to better leverage modern hardware. By employing memory-mapped B-trees and deterministic block-based skip lists, along with careful tuning of block sizes and I/O strategies, search speeds have been dramatically improved. The post details the new data structures and performance optimizations, exploring the idiosyncrasies of NVMe SSD read performance and how to maximize performance through block size and I/O mode adjustments.

(www.marginalia.nu)

Development

Bioengineered Fungus: A Sexually Transmitted Weapon Against Malaria-Spreading Mosquitoes

2025-06-16

Bioengineered Fungus: A Sexually Transmitted Weapon Against Malaria-Spreading Mosquitoes

University of Maryland entomologists have bioengineered a deadly fungus that spreads sexually in Anopheles mosquitoes, effectively creating a sexually transmitted infection for them. This modified Metarhizium fungus, producing potent neurotoxins, boasts a nearly 90% mortality rate in female mosquitoes within two weeks of mating with infected males—a stark contrast to the wild-type's 4% rate. Crucially, the fungus is harmless to humans and allows infected males to spread spores for up to 24 hours, making it an environmentally viable solution to combatting increasingly drug-resistant mosquitoes and the diseases they carry. This innovative approach leverages the mosquitoes' own biology to control their populations, offering a new weapon in the ongoing arms race against mosquito-borne illnesses.

(newatlas.com)

Tech Mosquito-borne disease

Seattle's 8-Charger Nightmare: A Case Study in American Inefficiency

2025-07-30

A simple project to install eight electric vehicle charging stations in Seattle, initially slated for completion in March 2023, remains unfinished in July 2025. This article uses the project as a microcosm of American governmental inefficiency, highlighting bureaucratic red tape, vendor changes, and multiple redesigns as the culprits behind the delays. The author argues this inefficiency plagues both large-scale and small-scale infrastructure projects, hindering progress on climate change, housing, and economic growth. The inability to execute even such a basic undertaking points to a deeper systemic problem.

(www.brethorsting.com)

Tech

Sentinel-2 Super-Resolution GUI: Effortlessly Enhance Satellite Imagery

2025-08-03

Sentinel-2 Super-Resolution GUI: Effortlessly Enhance Satellite Imagery

This user-friendly desktop application, Sentinel-2 Super-Resolution GUI, boosts the resolution of Sentinel-2 satellite images. Leveraging a pre-trained AI model, it upscales the standard 10-meter Blue, Green, Red, and Near-Infrared (NIR) bands to 2x higher resolution. Users can easily enhance their imagery without command-line complexities. The app outputs GeoTIFF and JPG files, offering interactive previews and sharpening options for easy comparison and visualization.

(github.com)

Tech

Acknowledgements for an Economics Research Paper

2025-06-12

Acknowledgements for an Economics Research Paper

This economics research paper acknowledges David Autor, Marianne Bertrand, and several other scholars and institutions, including participants from the Becker Friedman Institute, Chicago Booth, INSEAD, Microsoft Research, and MIT Sloan, for their helpful comments and suggestions. The project received funding from the Center for Applied Artificial Intelligence and the Polsky Center for Entrepreneurship and Innovation. Caspar Ringhof provided excellent research assistance. The views expressed are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.

(www.nber.org)

Misc economics research

First Look: Loops, a Fediverse Short-Form Video App

2025-01-25

First Look: Loops, a Fediverse Short-Form Video App

Pixelfed's new short-form video app, Loops, is now in public beta. Similar to TikTok or Instagram Reels, it's built specifically for the Fediverse. Currently in early stages, Loops has limitations including a lack of built-in camera and editor, and a weak search function. However, it boasts a polished and user-friendly interface, with plans to add features like federation, open-source code, and improved discovery. Loops shows promise but needs to address key issues to thrive within the Fediverse ecosystem.

(wedistribute.org)

Tech short-form video

sshsync: Streamline SSH Commands Across Multiple Servers

2025-05-19

sshsync: Streamline SSH Commands Across Multiple Servers

sshsync is a fast, minimal CLI tool for running shell commands across multiple remote servers via SSH. Target all servers or specific groups, ideal for sysadmins, developers, and automation. It uses asyncssh, supports group-based configuration, SSH timeout settings, file pushing/pulling, operation history and logging, and a dry-run mode. Install via `git clone https://github.com/Blackmamoth/sshsync.git; cd sshsync; pipx install .`. It uses SSH aliases from ~/.ssh/config and stores group information in ~/.config/sshsync/config.yaml.

(github.com)

Development Server Management

Microsoft's Universal Print Gets 'Pull Print' Feature for Enhanced Security

2025-08-14

Microsoft's Universal Print Gets 'Pull Print' Feature for Enhanced Security

Microsoft has made its 'Pull Print' feature for Universal Print generally available, addressing the security risk of sensitive documents left unattended at printers. Users can now release print jobs from any registered printer without pre-selecting a device, simply by authenticating. Two release methods are offered: direct print and secure release (via QR code). While alternatives exist, this free addition to Universal Print is particularly attractive for Microsoft 365 organizations already using the service, significantly improving both security and convenience.

(www.theregister.com)

Tech Universal Print Print Security

Ultimate Guide to Remote Jobs: Your Dream Job Awaits

2025-01-09

This resource is a compilation of numerous remote job opportunities across various fields, including tech, design, marketing, and customer support. Whether you're a seasoned engineer or a recent graduate, you'll find suitable positions here. From Remote Rocketship, focusing on tech roles, to We Work Remotely offering a wide range of remote jobs, and Remote Nursing Jobs specifically for nurses, this resource has it all. Additionally, platforms like 4DayWeek.io, focusing on four-day workweeks, and many others provide a plethora of remote job listings to help you find your ideal career path.

(www.jobsearchdb.com)

Misc

Reclaiming Your Browser: Bookmarklets and Extensions

2025-02-09

Frustrated with the modern browser's developer-centric and bloated nature, the author reclaims their browsing experience through bookmarklets and WebExtensions. They detail creating custom bookmarklets for seamless blogging, including one-click post creation and tag editing. Integration with other apps via custom URL schemes is highlighted. WebExtensions are presented as a means of intervention, with examples like adding RSS feed icons, creating calendar reminders, and removing unwanted content from websites. The author advocates for user agency, encouraging readers to personalize their browsing experience and take back control.

(andregarzia.com)

Development browser extensions

The Ambiguity of Intelligence: When 65% Probability Means Anything But

2025-05-05

The Ambiguity of Intelligence: When 65% Probability Means Anything But

In 1951, CIA analyst Sherman Kent uncovered a critical flaw in intelligence communication: the subjective interpretation of probability. His report on the likelihood of a Yugoslav invasion highlighted how the phrase 'serious possibility' was understood vastly differently by various stakeholders. This led Kent to categorize intelligence assessments and reveal the widespread inconsistency in how professionals interpret probabilistic language. He argued that ambiguous phrases are often used to avoid responsibility, a problem extending beyond intelligence to legal contexts. The article concludes that standardizing probabilistic language is crucial in a world rife with uncertainty, where misinterpretation poses a greater risk than error itself.

(kucharski.substack.com)

Misc Intelligence Analysis Ambiguity

nocc: A Distributed C++ Compiler for Blazing Fast Builds

2025-02-11

nocc: A Distributed C++ Compiler for Blazing Fast Builds

nocc is a distributed C++ compiler designed to dramatically speed up compilation, especially for large projects in CI/CD pipelines and collaborative development environments. By distributing compilation tasks to remote machines and leveraging shared remote caches, nocc avoids redundant compilations. Developed at VK.com to accelerate KPHP compilation, it achieved a 2-9x speedup over their previous solution. Easily integrated into existing build systems, nocc also supports precompiled headers for further performance gains.

(github.com)

Development C++ compiler distributed compilation remote caching

A Teenage Encounter with Andy Warhol: A Factory Dream

2025-05-03

A Teenage Encounter with Andy Warhol: A Factory Dream

At sixteen, my obsession with Andy Warhol led to a meeting with the legendary artist. Our first encounter was at a fancy restaurant, where he was accompanied by Bianca Jagger. I sensed a distance beneath his friendly demeanor. Later, I was invited to write for his Interview magazine, an experience that revealed the loneliness and anxiety behind his glamorous facade, and a resonance with my own divided self: a yearning for belonging and a preference for solitude that struggle to reconcile.

(granta.com)

Misc Andy Warhol The Factory

Safely Using snprintf: Avoid Buffer Overflows

2025-08-19

This article highlights a lesser-known feature of the `snprintf` function: its ability to determine the required buffer size before formatting, thus preventing buffer overflows. By calling `snprintf` twice – once with `NULL` and 0 to get the size, and again with a properly allocated buffer – the need for manual buffer size calculations is eliminated. The author also recommends a lightweight header-only library for easier usage.

(bernsteinbear.com)

Development buffer overflow

uv 0.8.13 Experimentally Adds Code Formatting: uv format

2025-08-22

uv 0.8.13 experimentally introduces the highly anticipated `uv format` command for Python developers. This integrates code formatting directly into uv, streamlining Python workflows and eliminating the need to juggle multiple tools. Under the hood, `uv format` uses Ruff to automatically style code consistently. After upgrading to 0.8.13 or later, use `uv format` – it works similarly to `ruff format` and allows custom formatting via arguments after `--`. Note: this is experimental; future versions may change.

(pydevtools.com)

Development

A Busy Mom's Life: Sewing, Baking, and Raising Three Kids

2025-08-01

A mother from Washington state shares her busy daily life: juggling three jobs, three kids, and household chores, while also keeping up with fitness, reading Ender's Game, sewing her children's winter wardrobes, and trying to reduce caffeine intake. She recently took her kids to see a laser light show at Coulee Dam and shares her favorite baking recipe – baked oatmeal that her kids devour for breakfast. Despite all this, she's still battling migraines.

(mountainofink.com)

Misc crafts

Korean Air's $50B Boeing Deal: A Giant Leap for Growth

2025-08-27

Korean Air's $50B Boeing Deal: A Giant Leap for Growth

Korean Air announced a massive $50 billion deal with Boeing, its largest-ever investment, to purchase 103 next-generation aircraft, spare engines, and long-term engine maintenance contracts. The agreement, signed during President Lee Jae Myung's visit to Washington, includes various Boeing models (777-9, 787-10, 737-10, and 777-8F freighters) and strengthens ties with the US aviation industry. This strategic move aims to fuel post-Asiana Airlines merger growth, streamline its fleet for improved efficiency and lower emissions, and enhance customer experience.

(www.koreaherald.com)

Tech Aviation International Deal Strategic Investment

3D-Printed Device Creates Acoustic Rainbows Without Electricity

2025-06-17

3D-Printed Device Creates Acoustic Rainbows Without Electricity

Researchers from the Technical University of Denmark and Universidad Politécnica de Madrid have developed a 3D-printed acoustic rainbow emitter (ARE) that separates broadband white noise into distinct frequencies and directs them in different directions, creating an acoustic rainbow. Unlike traditional acoustic systems, the ARE uses passive scattering, requiring no electricity. By leveraging computational morphogenesis, topology optimization, and wave-based modeling, the researchers designed a complex structure that manipulates sound waves through interactions with its surface. This groundbreaking device opens new avenues in acoustic sensing and control, offering potential applications in various fields.

(phys.org)

Tech computational morphogenesis

CrowdStrike Bug Cripples Hundreds of US Hospitals: A Year Later

2025-07-22

CrowdStrike Bug Cripples Hundreds of US Hospitals: A Year Later

A year after a buggy CrowdStrike software update crashed millions of computers worldwide, a new study reveals its devastating impact on US hospitals. Researchers found at least 759 hospitals experienced network disruptions, with over 200 facing patient-impacting outages affecting records, scans, and even fetal monitoring. The researchers argue this constitutes a significant public health issue. CrowdStrike disputes the findings, calling the study "junk science", citing a concurrent Microsoft Azure outage.

(www.wired.com)

Tech

From Machinist to Machine: A Programmer's Journey Back to the Roots

2025-05-23

A programmer, lost in the daily grind of churning out thousands of lines of code, feels increasingly like a machine, devoid of emotion and understanding. He yearns for the joy and passion he once felt for programming. He decides to return to his roots, building his own computers, operating systems, and programming languages, even if seemingly pointless. His goal is to reignite his love for programming and become a true 'machinist' again.

(punkx.org)

Development

Steam to Drop Support for 32-bit Windows in 2026

2025-09-19

Steam to Drop Support for 32-bit Windows in 2026

Valve announced that Steam will end support for 32-bit versions of Windows on January 1st, 2026. While only 0.01% of Steam users remain on 32-bit Windows, the move signals the end of an era for PC gaming. Valve cites incompatibility issues with drivers and libraries as the reason for dropping support. They urge users to upgrade to 64-bit Windows to continue receiving security updates and technical assistance.

(www.tomshardware.com)

Game 32-bit

Douglas Adams's Prophecy of the AI Age: Humor and Insight

2025-06-08

Douglas Adams's Prophecy of the AI Age: Humor and Insight

This essay starts with a debate on whether Douglas Adams invented the ebook, then explores his predictions about future technology in science fiction. The author argues that Adams's foresight surpasses William Gibson's, accurately predicting annoying computer assistants (like Clippy) and AI-infused smart devices. More importantly, Adams foresaw the core challenge of human-AI interaction: formulating the right questions, not just possessing powerful computational abilities. The author uses personal experiences with smart devices to humorously illustrate the reality of Adams's predictions, highlighting humor as a key indicator of insight.

(krisstgabriel.substack.com)

AI Technological Prediction

TracepointArgs: Unlocking Linux Kernel Tracepoints

2025-02-04

Tired of hunting through Linux kernel source code for tracepoint metadata and struct layouts? Meet tracepointargs, a new command-line tool that lists all available Linux kernel tracepoints, their arguments, datatypes, and related structs. It even parses kernel struct layouts, allowing you to understand tracepoint details without digging through source files. Combined with bpftool to generate a vmlinux.h file, you can easily inspect the internals of structures, even recursively expanding nested ones. A must-have for eBPF developers and kernel explorers!

(tanelpoder.com)

Development

GenAI Market Shakeup: Gartner Predicts Consolidation and Extinctions

2025-04-01

GenAI Market Shakeup: Gartner Predicts Consolidation and Extinctions

Gartner forecasts a significant consolidation in the generative AI (GenAI) market, with a potential outcome of only a few major players remaining. The current landscape sees numerous Large Language Model (LLM) providers struggling with high development and operational costs in a fiercely competitive market. Analyst John-David Lovelock predicts a cloud-like market dominance by a select few, mirroring the current AWS, Azure, and Google Cloud scenario. Businesses are increasingly opting for commercial off-the-shelf solutions rather than building their own AI software. While GenAI is experiencing explosive growth, projected to reach $644 billion by 2025, LLM developers are prioritizing market share acquisition over revenue, leading to a predicted, albeit slow, weeding out of weaker players. This won't be a rapid dot-com-like collapse, but a gradual consolidation.

(www.theregister.com)

AI Market Consolidation

Monzo's Backup Banking Infrastructure: Monzo Stand-in

2025-02-13

Monzo's Backup Banking Infrastructure: Monzo Stand-in

To ensure service continuity, Monzo built a separate backup banking infrastructure called Monzo Stand-in. Running on Google Cloud Platform, it can take over from the primary platform (on AWS) in case of a major incident. Stand-in supports core features like card payments, transfers, and account inquiries. It's completely independent from the primary platform, using different services and codebases to minimize single points of failure. Data synchronization employs an eventually consistent model to reduce costs and enhance availability. Stand-in successfully handled a major platform incident in August 2024, ensuring continued customer service.

(monzo.com)

Tech Disaster Recovery

It's Time to Ban Email?

2025-01-28

This article argues that email is outdated and presents numerous examples of errors and security risks caused by improper email use, such as information leaks and accidental email misdirection. The author points out that the BCC function in email has existed since 1975 yet remains a source of confusion for many. Modern collaborative tools, like shared documents and instant messaging, are argued to be superior for communication needs. While email offers the advantage of permanent storage, it's clumsy and error-prone in the digital age. The author calls for the adoption of more efficient communication methods, ultimately advocating for the phasing out of email.

(shkspr.mobi)

Misc collaboration tools

Nantucket's Hilarious Case of Mistaken Identity: A G-Wagon Gone Wrong

2025-07-12

Nantucket's Hilarious Case of Mistaken Identity: A G-Wagon Gone Wrong

A 1991 Mercedes G-Wagon's disappearance from a Nantucket Stop & Shop parking lot sparked a 48-hour island-wide mystery. The twist? An elderly person visiting the island mistakenly used their key to unlock a similar G-Wagon, driving it home. After a flurry of speculation and social media posts, the rightful owner was reunited with their vehicle thanks to a sharp-eyed islander and a bit of comical confusion. Police confirmed no charges would be filed. The incident highlights the frequency of mistaken-identity car swaps on the island due to the abundance of similar vehicles.

(nantucketcurrent.com)

Misc mistaken identity Nantucket G-Wagon

Civilization VII Founders Edition: Conquer the Ages!

2025-02-11

Civilization VII Founders Edition: Conquer the Ages!

Sid Meier's Civilization VII Founders Edition launches with early access on February 6th, 2025! It includes the base game, early access (up to 5 days early), the Tecumseh and Shawnee Pack, the Crossroads of the World Collection, and the Right to Rule Collection (6 DLCs total, releasing by September 2025). Enjoy additional leaders, civilizations, wonders, and cosmetic options. Experience a revamped empire-building journey across distinct ages with deeper strategic gameplay and cross-platform multiplayer.

(civilization.2k.com)

Game

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