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The Armatron: From 90-Degree Rotation to 360-Degree Freedom

2025-04-20

The Armatron: From 90-Degree Rotation to 360-Degree Freedom

Hiroyuki Watanabe, the inventor of the Armatron robotic arm, initially drew inspiration from a newspaper clipping depicting a mechanical arm. However, the first prototype could only rotate 90 degrees and had a complex control panel. Watanabe's hobby of flying radio-controlled helicopters provided the breakthrough; he designed a system allowing 360-degree rotation and simpler controls, resulting in a toy classic.

(www.technologyreview.com)

Design Toy Design Robotic Arm Product Innovation

yt-dlp Requires Deno for YouTube Downloads

2025-09-24

yt-dlp Requires Deno for YouTube Downloads

Popular YouTube downloader yt-dlp will soon require the Deno JavaScript runtime to function correctly due to changes on YouTube's side. Previously, yt-dlp used a built-in JavaScript interpreter, but this is now insufficient to overcome YouTube's updated anti-scraping measures. Users will need to install Deno and take additional steps depending on their installation method (e.g., using pip or official executables) to update yt-dlp and ensure continued YouTube video downloading capabilities.

(github.com)

Development YouTube downloads

Faster Java Startup with AOT Cache Profile Improvements

2025-05-11

This improvement significantly reduces Java application warmup time by collecting method execution profiles during application training runs and storing them in the AOT cache. At startup in production, the JIT compiler can immediately use these profiles to generate native code, eliminating the wait for profile collection and resulting in faster startup and peak performance. This technique requires no code changes and is compatible with existing AOT cache creation commands. Experiments show a 19% reduction in warmup time for a simple example program.

(openjdk.org)

Development AOT cache

Bloom Your Terminal: A CLI Flower Garden Game

2025-05-28

Bloom Your Terminal: A CLI Flower Garden Game

Transform your terminal into a vibrant garden with Flower Garden CLI! Grow five unique flower types, each blossoming into intricate mathematical patterns and fractals. Water your flowers, watch them grow, and enjoy the beautiful, colorful displays. With an easy-to-use menu and automatic saving, you can cultivate your digital garden at your own pace. Install via pip and start growing!

(github.com)

Game CLI game

Deterministic Finite Automata Resonating with Physics Models

2025-04-25

This article details the construction of deterministic finite automata (DFAs) using simple rules based on fundamental computer science concepts like trees, edges, and binary strings. The author outlines a five-step process, resulting in two main DFA variations that resonate with physics models—one including black holes and white holes, the other only black holes. By mapping binary strings to physical phenomena (inflation, black holes, white holes, entropy), a model for cosmic evolution is proposed. Connections to quantum mechanics and other disciplines are explored, highlighting the deep interplay between computer science, mathematics, and physics.

(keweizhou1996-df477.web.app)

Tech Physics Models Deterministic Finite Automata Cosmic Evolution

Instagram Now Supports 3:4 Aspect Ratio Photos

2025-05-30

Instagram Now Supports 3:4 Aspect Ratio Photos

Instagram now supports photos with a 3:4 aspect ratio, meaning uploads in this format will appear exactly as shot, according to Instagram head Adam Mosseri. He notes that most phone cameras default to this ratio. The update supports both single photo uploads and carousels, although square and 4:5 aspect ratios remain options. This follows Instagram's January move to rectangular profile grids, reflecting the increasing prevalence of vertical photos and videos.

(www.theverge.com)

Tech aspect ratio

Public Domain Day Film Remix Contest Winners Announced!

2025-02-08

The 2025 Public Domain Day Film Remix Contest has concluded! Queline Meadows's "When I Leave the World Behind" took first place, masterfully blending film, images, music, and text to evoke a powerful sense of nostalgia. Samantha Close's "The Archive Boogie" and Samara Meyer's "THE SITUATIONSHIP" won second and third place respectively, showcasing the breadth of 1929 cinema and the richness of public domain resources, and a daring sapphic love story. Three honorable mentions further highlighted diverse film styles: Jeremy Floyd's "Moving Pictures Aren't What They Used to Be," William Webb's "Hoffman's Honeymoon," and DIEGO DIAZ & CAN SARK's "The Wayback Machine." All entries can be viewed on the Internet Archive.

(blog.archive.org)

Game film remix internet archive

AI Robot: Fairy Tale vs. Reality

2025-04-21

AI Robot: Fairy Tale vs. Reality

This article contrasts the fictional AI robot 'Robot' from Annalee Newitz's story with the real-world clumsy CIMON, exploring the limitations of current AI. Robot, capable of independent learning and exceeding its programming, showcases the potential of Artificial General Intelligence (AGI). In contrast, CIMON's limited Artificial Narrow Intelligence (ANI) reveals its rigid nature. The author points out that current AI technology largely remains in the ANI stage, vulnerable to algorithmic bias and unable to adapt to complex situations as Robot does. While machine learning has made strides in language processing and image recognition, achieving AGI remains a distant goal. The author urges caution against over-reliance on biased training data and emphasizes the importance of self-learning and feedback mechanisms in AI development. Strive for Robot, plan for CIMON.

(slate.com)

AI

Microsoft's C/C++ Extension Breaks VS Code Forks, Sparks Antitrust Concerns

2025-04-24

Microsoft's C/C++ Extension Breaks VS Code Forks, Sparks Antitrust Concerns

Microsoft's recent update to its Visual Studio Code C/C++ extension has broken compatibility with derivative products like VS Codium and Cursor, prompting outrage from developers. The move is seen as anti-competitive, as Microsoft restricts its extension's use outside its own products while simultaneously promoting its own AI coding assistant, Copilot. Developers have filed complaints with the US Federal Trade Commission, alleging unfair competition through bundling Copilot, blocking rivals like Cursor, and locking users into its AI ecosystem. Cursor is reportedly transitioning to open-source alternatives.

(www.theregister.com)

Development

Access Top AI Models from OpenAI, Google, and More

2025-04-17

Access Top AI Models from OpenAI, Google, and More

A new platform offers one-stop access to cutting-edge AI models from leading companies like OpenAI, Google, Anthropic, DeepSeek, Mistral, and Meta. This includes models such as ChatGPT-4, Claude, Gemini, and Llama, allowing users to explore the unique capabilities of each. This signifies a major leap in accessibility to top-tier AI technology, opening up new possibilities for developers and researchers.

(zuni.app)

AI

PostgreSQL Insert Optimization: From 2k to 92k Inserts/second

2025-05-16

The Hatchet team achieved a 31x speedup in PostgreSQL inserts, going from 2,000 to 92,000 inserts per second. Key optimizations included connection pooling, batched inserts, and the COPY command. They found that more connections aren't always better, requiring finding an optimal balance. Batched inserts dramatically increased throughput but also added latency, necessitating tuning batch size and flush intervals. The COPY command proved significantly more efficient when data return wasn't needed. The article hints at advanced optimization techniques like multi-table transactional inserts and using UNNEST, promising a deeper dive in a future post.

(docs.hatchet.run)

Development Batch Inserts

Punk Rock's Epicenter Shifts to Tennessee

2025-06-03

Punk Rock's Epicenter Shifts to Tennessee

The world's largest punk rock archive, the iconic Maximum Rocknroll (MRR) collection, is moving from California to Middle Tennessee State University's Center for Popular Music. This eight-ton trove of punk history includes roughly 60,000 vinyl records, photos, zines, and documents spanning decades of global punk evolution. The move establishes MTSU as a leading center for punk research, with plans for public programming including listening parties and zine workshops to engage a wider audience and explore punk's cultural and social impact.

(mtsunews.com)

Misc punk rock

Trump White House Launches Controversial 'Lab Leak' Website

2025-04-19

Trump White House Launches Controversial 'Lab Leak' Website

The Trump White House has replaced the previous covid.gov and covidtests.gov websites with a new page titled "Lab Leak: The True Origins of COVID-19." This site promotes the theory that the COVID-19 pandemic originated from a lab leak in Wuhan, China, criticizing the Biden administration's response and its handling of Dr. Anthony Fauci. This move has sparked controversy within the scientific community, with some scientists claiming factual inaccuracies and misleading information, lacking scientific basis, and portraying it as political propaganda. Supporters, however, believe the site reveals the truth and applaud the administration's transparency.

(www.npr.org)

Tech COVID-19 origins lab leak political controversy

Why Computer Scientists Consult Oracles

2025-01-06

Why Computer Scientists Consult Oracles

Computational complexity theorists use hypothetical 'oracles'—devices that instantly answer specific questions—to explore the fundamental limits of computation. By studying how different oracles affect problem difficulty (e.g., the P vs. NP problem), researchers gain insights into inherent computational limitations and inspire new algorithms. For example, Shor's algorithm, a quantum algorithm for factoring large numbers crucial to modern cryptography, was inspired by oracle-based research. Oracles serve as a powerful tool, pushing the boundaries of theoretical understanding and driving innovation in fields like quantum computing.

(www.quantamagazine.org)

Development computational complexity quantum computing

Trump vs. Musk: A Space-Age Showdown

2025-06-07

Trump vs. Musk: A Space-Age Showdown

President Trump and SpaceX CEO Elon Musk engaged in a heated public feud, with Trump threatening to cancel SpaceX government contracts and Musk responding with a threat to decommission Dragon spacecraft. This exchange raised concerns about the impact on NASA and the Department of Defense, who heavily rely on SpaceX. Although Musk later retracted the decommissioning threat, the incident highlights the complex interplay between US politics and business, and its implications for space exploration. Trump's withdrawal of Jared Isaacman's nomination for NASA administrator further complicated the situation.

(spacenews.com)

Tech

BQN Matrix Multiplication Performance Optimization: Cache Blocking and Divide and Conquer

2025-06-27

This article explores optimizing large matrix multiplication performance using the BQN language. The author first uses a simple square partitioning method to effectively utilize cache, achieving a speedup of about six times. Then, a Strassen algorithm based on a divide-and-conquer strategy is introduced and experimentally shown to achieve up to a 9x speedup on large matrices. The article also compares the performance impact of different block sizes and nested tiling strategies, concluding that the performance limit of a pure, single-threaded BQN implementation has essentially been reached.

(panadestein.github.io)

Development

Rust CUDA: Bringing High-Speed GPU Computing to Rust

2025-04-11

Rust CUDA: Bringing High-Speed GPU Computing to Rust

The Rust CUDA project aims to make Rust a top-tier language for extremely fast GPU computing using the CUDA Toolkit. It provides tools for compiling Rust to highly optimized PTX code and libraries for interfacing with existing CUDA libraries. Addressing past challenges in integrating Rust with CUDA, it offers a comprehensive suite of crates covering various aspects of the CUDA ecosystem, including GPU-side functions, CUDA driver API wrappers, and OptiX support for ray tracing. While still in early development, the project seeks to propel the Rust GPU computing industry forward.

(github.com)

Development

Dia: A 1.6B Parameter Text-to-Speech Model from Nari Labs

2025-04-21

Dia: A 1.6B Parameter Text-to-Speech Model from Nari Labs

Nari Labs introduces Dia, a 1.6B parameter text-to-speech model capable of generating highly realistic dialogue directly from transcripts. Users can control emotion and tone by conditioning the output on audio, and the model even produces nonverbal cues like laughter and coughs. To accelerate research, pretrained model checkpoints and inference code are available on Hugging Face. A demo page compares Dia to ElevenLabs Studio and Sesame CSM-1B. While currently requiring around 10GB VRAM and GPU support (CPU support coming soon), Dia generates roughly 40 tokens/second on an A4000 GPU. A quantized version is planned for improved memory efficiency. The model is licensed under Apache License 2.0 and strictly prohibits misuse such as identity theft, generating deceptive content, or illegal activities.

(github.com)

AI

Fusing Unreliable Sensor Readings: Beyond Linear Mixing

2025-04-16

Fusing Unreliable Sensor Readings: Beyond Linear Mixing

This article explores fusing measurements from two unreliable sensors for improved accuracy. Sensor A's readings contain noise, while Sensor B has a probability of outputting either the correct value or noise. The author first tries a linear weighted average, finding the optimal weight isn't 50/50, but around 0.58. Then, a threshold based on the difference between sensor readings is used; if the difference is below the threshold, Sensor B's reading is used, otherwise Sensor A's. This significantly improves accuracy. Finally, by adding a middle zone where a linear mix of both readings is used, further optimization is achieved, lowering the mean absolute error to 0.1163.

(jacobbrazeal.wordpress.com)

Development sensor fusion

Tech Giants Embrace AI, Leading to Job Cuts: Efficiency Gains or Unemployment Crisis?

2025-09-25

Tech Giants Embrace AI, Leading to Job Cuts: Efficiency Gains or Unemployment Crisis?

Tech giants like SAP, Amazon, and Salesforce are aggressively adopting AI to boost efficiency and reduce costs. However, this trend is resulting in significant job cuts. SAP's CFO anticipates fewer engineers will be needed due to automation; the CEO estimates that 60-70% of jobs could be digitized. Amazon's CEO also stated that AI will lead to a reduction in the company's overall workforce. While some new roles are emerging, low-wage workers are expected to be disproportionately affected. Is this AI-driven efficiency gain paving the way for a larger unemployment crisis?

(fortune.com)

Tech

The Command Line: A Handbook for Everyone

2025-05-29

The Command Line: A Handbook for Everyone

Conquer the command line without the struggle! This handbook provides a quick and easy way to master Unix/Linux commands, eliminating the need for lengthy manuals. Learn terminals, shells, command-line applications, and shell scripting together – not separately. Over 100 annotated shell sessions and code examples make learning fun and effective. Updated in 2025, it's the definitive guide, trusted by 5700+ readers. Join them and boost your skills today!

(commandline.stribny.name)

Development

Ongoing Crustal Foundering Discovered Beneath the Sierra Nevada

2025-04-20

Ongoing Crustal Foundering Discovered Beneath the Sierra Nevada

Scientists have discovered unusual deep earthquakes beneath California's Sierra Nevada mountain range, much deeper than expected. Using seismic wave imaging, researchers revealed the ongoing process of lithospheric foundering, where Earth's crust is peeling away and sinking into the mantle. This finding not only explains the deep earthquakes but also offers new insights into continental formation and Earth's internal dynamics. The process could last millions of years and potentially impact landscape evolution.

(www.cnn.com)

Tech earthquakes lithospheric foundering

Stack Overflow Dev Survey 2024: AI's Impact on Developer Happiness and Salaries

2025-06-01

Stack Overflow Dev Survey 2024: AI's Impact on Developer Happiness and Salaries

Stack Overflow's 15th annual developer survey reveals a mixed bag for developers in the age of AI. While AI tool adoption is soaring (76% using or planning to use them), overall developer happiness remains low (80% unhappy or complacent). Salary, not remote work, is the key driver of satisfaction, with significant salary variations across roles and regions. Concerns around AI accuracy and misinformation are also surfacing. The survey dives deep into salary trends, finding pay cuts in many roles in 2024, and explores how AI is changing workflows and developer community dynamics. It's a must-read for anyone interested in the current state of the tech workforce.

(stackoverflow.blog)

Development developer survey developer satisfaction

US Academic Arrested in Thailand for Lèse-Majesté: A Blow to Academic Freedom

2025-04-08

US Academic Arrested in Thailand for Lèse-Majesté: A Blow to Academic Freedom

Paul Chambers, a US academic teaching in Thailand, faces up to 15 years in prison on charges of lèse-majesté, sparking international concern over Thailand's strict laws and the suppression of free speech. Chambers denies the charges, claiming he didn't author or publish the implicated content. The US State Department has expressed concern and is providing consular assistance. This case highlights Thailand's crackdown on dissent and the ongoing suppression of political activists.

(www.cnn.com)

Tech

AI Training Data Bots Overwhelm Digital GLAM Collections

2025-06-17

AI Training Data Bots Overwhelm Digital GLAM Collections

In late 2024, reports emerged of online cultural heritage collections struggling under the weight of AI training data bots scraping their data. A GLAM-E Lab survey revealed this wasn't isolated; many institutions experienced similar issues, with bots overwhelming systems and causing outages. Traditional methods like robots.txt proved ineffective. Institutions are implementing various countermeasures, but long-term solutions remain elusive. The impact highlights the tension between open access and the unsustainable costs of providing data to AI training.

(www.glamelab.org)

Tech Bots GLAM

Redis Vector Sets: Replicating Hacker News Account Style Detection

2025-04-16

Inspired by a three-year-old Hacker News post about detecting similar accounts using cosine similarity, Antirez, using the new vector set functionality in Redis 8 RC1, replicated the experiment. He downloaded 10GB of Hacker News comment data, cleaned and preprocessed it to generate a JSONL file containing users and their word frequency vectors. Then, using the Burrows-Delta method, he normalized the word frequency vectors and inserted them into Redis vector sets. Finally, using the VSIM command, similar users with similar writing styles can be quickly found. The project code has been open-sourced, and an online demo website is available.

(antirez.com)

Development Style Detection

Musk Shuts Down the Loan Office That Funded Tesla

2025-04-27

Musk Shuts Down the Loan Office That Funded Tesla

Elon Musk's Department of Government Efficiency is dismantling the Department of Energy's Loan Programs Office (LPO), which provided Tesla with a crucial $465 million loan in 2010. This move threatens the US clean energy and electric vehicle industries, jeopardizing numerous projects and increasing consumer costs. Companies like Kore Power and Freyr Battery have already canceled expansion plans due to loan freezes. Critics argue Musk is cutting the very program that helped him build his empire, undermining American competitiveness and displaying a profound lack of gratitude.

(www.jalopnik.com)

Tech Government Loan

Are FreeBSD Jails Containers? A Debate on Definitions

2025-04-08

This article explores the debate surrounding whether FreeBSD Jails are containers. Proponents argue Jails predate Docker and Podman, and are considered containers by FreeBSD developers like Allan Jude. They contend that limiting the definition of 'container' to Linux's Docker/Podman ecosystem ignores long-standing OS-level virtualization in BSD. Opponents argue Jails lack OCI container features like image abstraction and deployment models, and calling them containers misleads users and hinders FreeBSD adoption. The core issue is a divergence in understanding 'container': as a broad term for OS-level virtualization or specifically as technology adhering to OCI standards.

(vermaden.wordpress.com)

Development Jails

DeepSeek v3: Significant Improvements to the Transformer Architecture

2025-01-28

DeepSeek v3: Significant Improvements to the Transformer Architecture

DeepSeek v3 achieves state-of-the-art benchmark performance with significantly less compute than comparable models. This is due to key architectural improvements: Multi-head Latent Attention (MLA) drastically reduces KV cache size without sacrificing model quality; improved Mixture-of-Experts (MoE) tackles routing collapse via auxiliary-loss-free load balancing and shared experts; and multi-token prediction boosts training efficiency and inference speed. These improvements demonstrate a deep understanding of the Transformer architecture and point the way forward for large language models.

(epoch.ai)

AI

Citizen Science Data Reliably Captures Bird Migration Patterns

2025-04-23

Citizen Science Data Reliably Captures Bird Migration Patterns

A new study shows that citizen science data from iNaturalist and eBird reliably captures known seasonal patterns of bird migration in Northern California and Nevada. Researchers combined data from both platforms, finding similar seasonal patterns for over 97% of bird species, even though the platforms differ in their target users and data collection methods. This study demonstrates the value of citizen science project data, showing that data from different observers and project structures can be integrated to address broad scientific questions.

(www.ucdavis.edu)

Tech bird migration

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