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VGGT: Lightning-Fast 3D Scene Reconstruction from Images

2025-03-25

VGGT: Lightning-Fast 3D Scene Reconstruction from Images

Facebook Research introduces VGGT (Visual Geometry Grounded Transformer), a feed-forward neural network capable of inferring all key 3D attributes of a scene—extrinsic and intrinsic camera parameters, point maps, depth maps, and 3D point tracks—from one, a few, or hundreds of views in mere seconds. This user-friendly model, leveraging the power of Transformers, offers an interactive 3D visualization tool. Surprisingly, VGGT demonstrates impressive single-view reconstruction capabilities, achieving competitive results compared to state-of-the-art monocular methods, despite not being explicitly trained for this task.

(github.com)

AI

Chawan TUI Browser 0.2.0 Released

2025-06-16

Chawan, a text-user interface (TUI) browser, has released version 0.2.0. This release includes all the features envisioned for a Minimum Viable Product (MVP) and has no known critical bugs. Source code and a static binary distribution for amd64 Linux are available, along with a .deb package. Dependencies zlib, libseccomp, termcap/ncurses, and libcurl have been removed. Future work will focus on improving the layout module's performance and correctness, and making the UI more user-friendly.

(chawan.net)

Development TUI Browser Software Release

Cryptography Isn't Based on NP-Complete Problems

2025-02-13

This article explains why cryptography doesn't rely on NP-complete problems. While NP-complete problems are hard to solve quickly, cryptography needs problems that are hard on average, meaning a randomly selected instance is difficult to crack. RSA is an example; it relies on the difficulty of factoring large numbers, which is hard on average. NP-complete problems only guarantee hardness in the worst case, not average-case hardness, making them unsuitable for cryptography.

(blintzbase.com)

Development NP-complete problems

AI Unlocks the Paint Chemistry of Berlin Wall Murals

2024-12-16

AI Unlocks the Paint Chemistry of Berlin Wall Murals

Italian scientists used a neural network to analyze spectral data from handheld Raman spectroscopy devices, revealing the paint chemistry secrets of Berlin Wall murals. This research not only sheds light on the materials and techniques used in these historically significant artworks but also provides new technological approaches for preserving street art. By analyzing paint chips from wall fragments and combining Raman spectroscopy, X-ray fluorescence spectroscopy, and optical fiber reflectance spectroscopy, along with a custom-built AI algorithm called SAPNet, researchers precisely identified the pigment composition, including titanium white and up to 75 percent other pigments. This breakthrough demonstrates the significant potential of AI in cultural heritage preservation.

(arstechnica.com)

AI Cultural Heritage Preservation Raman Spectroscopy

FlashMLA: A Blazing-Fast MLA Decoding Kernel for Hopper GPUs

2025-02-24

FlashMLA: A Blazing-Fast MLA Decoding Kernel for Hopper GPUs

FlashMLA is a highly efficient MLA decoding kernel optimized for Hopper GPUs, designed for variable-length sequence serving. Achieving up to 3000 GB/s in memory-bound configurations and 580 TFLOPS in computation-bound configurations on H800 SXM5 using CUDA 12.6, FlashMLA utilizes BF16 precision and a paged kvcache with a 64 block size. Inspired by FlashAttention 2&3 and the cutlass projects, FlashMLA offers significant performance improvements for large-scale sequence processing.

(github.com)

Development MLA decoding

Dish: A Tiny, One-Shot Monitoring Service

2025-03-27

Dish: A Tiny, One-Shot Monitoring Service

Dish is a minimalist Go-based, one-shot monitoring service designed for quick testing of HTTP/S and generic TCP endpoints. It supports loading target lists from local JSON files or remote JSON APIs and offers various alerting methods, including Telegram notifications, Prometheus Pushgateway updates, and webhook callbacks. Users can configure it flexibly via command-line arguments, including custom headers. Dish boasts zero dependencies and easy deployment, whether through building a binary or using a Docker image, making it ideal for rapidly setting up a monitoring system.

(github.com)

Development

AI-Powered Generative Models Reshape Anamorphic Images

2025-07-08

Traditional anamorphic images only reveal their true form from a specific viewpoint. This paper uses latent rectified flow models and a novel image warping technique called Laplacian Pyramid Warping to create anamorphic images that retain a valid interpretation even when viewed directly. This work extends Visual Anagrams to latent space models and a wider range of spatial transforms, enabling the creation of novel generative perceptual illusions, opening new possibilities in image generation.

(studios.disneyresearch.com)

AI Anamorphic Images

Hyperbola GNU/Linux-libre: A Lightweight OS Committed to Freedom and Long-Term Support

2024-12-15

Hyperbola GNU/Linux-libre is a community-driven operating system project aiming to provide a fully free, stable, secure, simple, and lightweight long-term support distribution. It leverages Arch Linux's package management and Debian's security patches, adhering to the GNU Free System Distribution Guidelines. Supporting i686 and x86_64 architectures, Hyperbola plans to release a BSD-based system, HyperbolaBSD. Recent news includes continued support for 32-bit systems, discontinuation of Debian patchsets beyond version 12, and concerns expressed regarding the Free Software Foundation's statement on machine learning.

(www.hyperbola.info)

Development Operating System Free Software

Tesla Cybertruck Faces Massive Recall: Side Window Panel Detachment Risk

2025-03-20

Tesla Cybertruck Faces Massive Recall: Side Window Panel Detachment Risk

The National Highway Traffic Safety Administration (NHTSA) has recalled over 46,000 Tesla Cybertrucks due to a potential detachment of the side window panel, posing a road hazard. The recall covers all 2024 and 2025 models. Tesla will replace the part free of charge, with notification letters expected to be mailed on May 19th. This is the eighth recall for the Cybertruck in just over a year, following previous recalls for issues like electric inverter faults and stuck accelerator pedals. Simultaneously, Tesla faces increased competition and attacks targeting its vehicles and facilities, leading to a 42% plummet in its stock price in 2025.

(apnews.com)

Tech

BCX: Free and Open Source BASIC to C/C++ Translator

2025-03-21

BCX is a free and open-source BASIC to C/C++ translator that converts your BASIC source code into highly efficient C/C++ code. Supporting numerous compilers and boasting a comprehensive help file and sample programs, it's beginner-friendly. Written entirely in BCX BASIC itself, it translates over 38,000 lines of code in under a second on a modest i7 system, highlighting its speed. Ideal for those learning C/C++ or seeking a quick way to build Windows desktop applications.

(bcxbasiccoders.com)

Development

Are All Clocks 30 Seconds Behind?

2025-01-06

Are All Clocks 30 Seconds Behind?

The author proposes a seemingly crazy idea: all clocks are 30 seconds behind. This isn't about time zones, leap seconds, or relativity; it's about everyday clocks. Through calculation, the author shows that because most clocks only display minutes, ignoring seconds, the average error is 30 seconds. They argue that if clocks rounded instead of truncating, the average error would be 0. The author further explores how people perceive and express time at different scales (years, months, days, hours, minutes, seconds), noting that at the minute scale, intuition leans towards rounding, which conflicts with clocks' truncation. Therefore, they believe all clocks are 30 seconds slow.

(victorpoughon.fr)

Misc time perception clock error

Kamal's Killer: Deploying Rails with Dokku

2025-01-21

Kamal's Killer: Deploying Rails with Dokku

Basecamp's Kamal offers a solution for deploying Rails on bare metal, but it's not the easiest tool to use. This article champions a simpler alternative: Dokku – essentially Heroku, self-hosted. The author provides a step-by-step guide to deploying a Rails app using Dokku, covering installation, app creation, database configuration (PostgreSQL), environment variable setup, domain and SSL configuration (with Let's Encrypt), and using a Procfile for web and release processes. A bonus section introduces the Deployless gem, automating the entire deployment process for streamlined efficiency.

(impactahead.com)

Development

Automating My Game Collection Catalog with AI: A Deep Dive

2025-01-23

Automating My Game Collection Catalog with AI: A Deep Dive

The author uses the latest open-source AI model, Qwen2-VL Instruct, to automatically catalog their game collection by taking pictures. The article details the entire process, from picture taking and uploading to game identification, data extraction, and saving. It delves into model selection, the trade-off between image resolution and accuracy/computation time, and the impact of image orientation on results. The author settles on 762x762 pixels as the optimal resolution and plans a follow-up article on matching identified games with real-world data.

(medium.com)

AI

Terraform Docker Provider: Handling Image Attribute Changes Gracefully

2025-03-27

When managing Docker containers with Terraform, the Docker provider transforms the `image` attribute into a SHA digest. This leads to subsequent Terraform refreshes incorrectly detecting image changes and forcing container rebuilds. Simply using `lifecycle { ignore_changes = [image] }` masks actual image changes, creating a potential risk. This article presents a solution: leverage a `null_resource` as a trigger. When the `image` attribute changes, the `null_resource` rebuilds, indirectly triggering a container rebuild, ensuring image updates while avoiding unnecessary container recreation.

(blog.mattsbit.co.uk)

Development

Microsoft Open-Sources MarkItDown: A File-to-Markdown Conversion Tool

2024-12-13

Microsoft Open-Sources MarkItDown: A File-to-Markdown Conversion Tool

Microsoft has open-sourced MarkItDown, a Python tool that converts various files (including PDF, PowerPoint, Word, Excel, images, audio, and HTML) into Markdown format. The tool boasts a simple API, supports a wide range of file types, and incorporates OCR and speech transcription for enhanced functionality, making it ideal for text analysis or indexing. Contributions are welcome, and the project adheres to the Microsoft Open Source Code of Conduct.

(github.com)

Development Markdown conversion file conversion Python tool

Google Discovers Critical AMD Processor Vulnerability: Microcode Manipulation

2025-02-09

Google Discovers Critical AMD Processor Vulnerability: Microcode Manipulation

Google researchers have uncovered a critical security flaw in AMD processors. Attackers can manipulate the microcode to control processor behavior, bypassing security features like Secure Encrypted Virtualization (SEV) and the root of trust. The vulnerability exploits an insecure hash function in the processor, allowing the loading of unauthorized microcode. While kernel-level access is required, it poses a significant threat to systems running virtual machines. AMD has released a patch, but it requires updating microcode and BIOS through system manufacturers. The vulnerability affects Zen-based processors dating back to 2017.

(www.theregister.com)

Tech processor security microcode

Wikenigma: An Encyclopedia of Unknowns

2025-01-25

Wikenigma is a unique wiki dedicated to documenting fundamental gaps in human knowledge. It compiles scientific and academic questions with no definitive answers – the so-called 'known unknowns'. Registered users can contribute and edit articles, aiming to inspire scientific research by highlighting unsolved problems. It's a catalyst for curiosity and exploration of the unknown.

(wikenigma.org.uk)

Tech knowledge encyclopedia scientific research unsolved mysteries

Mystery Drone Sightings Continue to Plague US East Coast

2024-12-18

Mystery Drone Sightings Continue to Plague US East Coast

A wave of mysterious drone sightings is causing widespread concern and airspace closures along the US East Coast. These SUV-sized drones have been reported near military bases and airports in New Jersey and New York, disrupting air travel. While federal agencies are investigating, explanations remain elusive, with speculation ranging from political conspiracies to other unknown causes. The ongoing mystery fuels public anxiety and calls for swift resolution to prevent further disruptions and potential threats.

(www.theregister.com)

Misc drones US East Coast airspace closures

The Enigma of Julius and the Rise of AI

2024-12-23

The Enigma of Julius and the Rise of AI

The author recounts the story of Julius, a college classmate who, despite a lack of actual technical skills, rose through the ranks of various companies due to charisma and self-assurance. His success is mirrored in the author's current experience with seemingly productive AI tools that require extensive manual corrections. The narrative explores the parallels between Julius's career trajectory and the complexities of AI's impact on the workplace.

(ploum.net)

Misc workplace

Cultivated Meat: From a $330,000 Burger to the Future of Food

2024-12-16

Cultivated Meat: From a $330,000 Burger to the Future of Food

From Winston Churchill's 1931 prediction to the world's first lab-grown burger in 2013, the cultivated meat industry has overcome challenges to become a booming sector. The initial high cost (the first burger cost $330,000) fueled innovation, leading to over 100 companies worldwide investing a total of $2.6 billion. Technological advancements have reduced costs, such as serum-free growth media, and increased efficiency with innovations like PluriMatrix. Regulatory approvals in countries like the US and Singapore are paving the way for wider adoption, though mainstream acceptance is projected to take 20-30 years.

(www.synbiobeta.com)

Tech cultivated meat cell-based meat food technology

Training-Free Image Editing: Stable Flow Revolutionizes the Field

2025-01-28

Training-Free Image Editing: Stable Flow Revolutionizes the Field

Stable Flow is a training-free image editing method leveraging the Diffusion Transformer (DiT) model. It achieves various image editing operations, including non-rigid editing, object addition, removal, and global scene editing, by selectively injecting attention features. Unlike UNet-based models, DiT lacks a coarse-to-fine synthesis structure. The researchers propose an automatic method to identify "vital layers" crucial for image formation within DiT. By injecting features from the source image's generative trajectory into the edited image's trajectory, Stable Flow enables consistent and stable edits. Furthermore, it introduces an improved image inversion method for real-image editing. Experiments demonstrate Stable Flow's effectiveness across diverse applications.

(omriavrahami.com)

AI training-free

LLVM Fortran Compiler Flang: A Decade in the Making, Officially Released

2025-03-12

After nearly a decade of development, the LLVM Fortran compiler, Flang, has finally been officially renamed from "flang-new" to "flang." This article recounts Flang's journey, from its initial development by the US National Labs and NVIDIA, to its adoption of LLVM's Multi-Level Intermediate Representation (MLIR), and its eventual integration into the LLVM project. Flang's creation aimed to provide a long-term, non-proprietary Fortran compiler, mitigating risks associated with single-point failures, and fostering growth within the Fortran community. Flang's journey also showcases advancements in compiler technology, such as the use of MLIR for optimizing Fortran code. Now mature and stable, with support from vendors like AMD, Flang stands as a powerful tool for Fortran developers.

(blog.llvm.org)

Development

South Korean President Yoon Suk Yeol Impeached Over Martial Law Decree

2024-12-14

South Korean President Yoon Suk Yeol Impeached Over Martial Law Decree

South Korea's parliament impeached President Yoon Suk Yeol on Saturday over his controversial six-hour-long martial law declaration. The National Assembly voted 204-85 in favor of impeachment, suspending Yoon's powers and duties. Prime Minister Han Duck-soo assumed presidential authority. The Constitutional Court has 180 days to decide whether to remove Yoon from office; a new election would follow within 60 days if he is dismissed. The impeachment followed days of political turmoil and widespread protests, with public opinion overwhelmingly in favor of removing Yoon. While Yoon declared the martial law as a measure against the opposition, his actions are seen by many as an attempt to undermine democratic processes. The US and Japan expressed support for South Korea's democratic process.

(apnews.com)

Misc South Korea Impeachment Yoon Suk Yeol

Visual Timeline: A Colorful Journey Through Your Life

2025-03-01

Visual Timeline: A Colorful Journey Through Your Life

Visual Timeline is an app that lets you visualize your entire life—past, present, and future—in a colorful, week-by-week view. Color-code life periods (childhood, college, jobs), highlight important events (achievements, trips), and add detailed notes. It automatically adds birthdays and world events, and allows YAML export for backups. Keep it private or share it via a unique link; it's a living, growing representation of your life story, constantly updated.

(lifeweeks.app)

Misc life logging

Ocean Bacteria's Nanotube Networks: A Revolutionary Discovery of Microbial Interconnectivity

2025-01-27

Ocean Bacteria's Nanotube Networks: A Revolutionary Discovery of Microbial Interconnectivity

A groundbreaking discovery reveals complex networks of bacterial nanotubes connecting the most abundant photosynthetic bacteria in the ocean, Prochlorococcus. These nanotubes act as tiny bridges, linking the inner spaces of bacterial cells and facilitating the exchange of nutrients and information. This challenges the traditional view of bacteria as isolated individuals, demonstrating a far more interconnected microbial world than previously imagined. This interconnectivity may have profound implications for Earth's oxygen and carbon cycles.

(www.quantamagazine.org)

Tech bacterial nanotubes marine microbes intercellular communication

Saying Goodbye to K-9 Mail: A 15-Year Open Source Journey

2025-02-27

Saying Goodbye to K-9 Mail: A 15-Year Open Source Journey

From contributing code in 2009 to leaving Mozilla in 2025, the author reflects on their 15-year journey with K-9 Mail and Thunderbird for Android. Starting with personal contributions, they became a core maintainer, even crowdfunding to support full-time development. After successfully releasing Thunderbird for Android, the author chose to leave, embarking on a new chapter, but expressing a potential return as a volunteer contributor.

(cketti.de)

Development open source development

Musk's Network State: A Systematic Assault on the US Government

2025-02-02

Elon Musk's attempt to dismantle the US government isn't random chaos; it's the methodical execution of the "network state" blueprint. Musk and his tech allies are enacting Balaji Srinivasan's vision: a tech CEO takeover, purging of institutions, crypto-corruption as a dominant economic force, and a quest for new territory. Musk's actions mirror his Twitter takeover—a gutting of democratic institutions, replacing civil servants with loyalists to a dictator.

(www.jwz.org)

Tech Network State

Bacteria Build Living Gels in Polymers: A New Twist on Biofilms

2025-01-26

Bacteria Build Living Gels in Polymers: A New Twist on Biofilms

Caltech and Princeton University scientists have discovered that bacteria growing in polymer solutions, like mucus, form long, intertwined cables—a kind of ‘living Jell-O.’ This is significant for understanding diseases like cystic fibrosis, where thickened lung mucus fosters dangerous bacterial infections. The discovery also has implications for studying biofilms (the slimy coatings on surfaces) and their industrial impacts. The researchers found that external pressure from the polymers forces the bacterial cells together. A theoretical model accurately predicts when these cable structures will form. The reason for cable formation remains a mystery: it may be a bacterial defense mechanism or conversely, a way for the body to expel the infection more easily. This unexpected finding opens up new avenues of research into bacterial growth and biofilm control.

(www.caltech.edu)

Tech polymers biofilms

Efficient Cloud-Native Raster Data Access: An Alternative to Rasterio/GDAL

2024-12-15

Efficient Cloud-Native Raster Data Access: An Alternative to Rasterio/GDAL

The exponential growth of Earth observation data in cloud storage necessitates efficient access and analysis of satellite imagery. This article introduces an alternative cloud-native raster data access approach to Rasterio/GDAL. Traditional GeoTIFFs are inefficient, while Cloud-Optimized GeoTIFFs (COGs) improve efficiency through tiling and multi-resolution access. However, even with COGs, tasks like time-series NDVI analysis suffer from latency. The authors leverage STAC GeoParquet, combined with pre-calculated byte ranges, to reduce HTTP requests, significantly speeding up data access. Initial tests show this approach drastically reduces time-to-first-tile for Sentinel-2 data and lowers costs. A future open-source library, "Rasteret," will implement these techniques.

(blog.terrafloww.com)

Tech Cloud-native Raster data

ISS Over-Sterilization: A Microbial Ecosystem Approach to Space Travel

2025-03-05

ISS Over-Sterilization: A Microbial Ecosystem Approach to Space Travel

New research suggests that the International Space Station's (ISS) excessive sterilization may be counterproductive. Researchers found that continuous disinfection leads to a loss of microbial diversity, potentially harming astronaut health. They propose future spacecraft designs consider microbial spread, using isolated modules to control contamination. A more forward-thinking approach involves introducing beneficial microbes, even creating self-sustaining ecosystems with plants, pollinators, and animals. This research offers new insights into life support systems for future deep space missions.

(arstechnica.com)

Tech space microbiology

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