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Cycle-Exact Commodore 64 Emulation on Cheap Microcontrollers

2025-05-03

Cycle-Exact Commodore 64 Emulation on Cheap Microcontrollers

Connomore64 is a project that achieves cycle-exact emulation of the Commodore 64 using multiple parallel, inexpensive RP2040/RP2350 microcontrollers. Initially a holiday project exploring the capabilities of the RP2040's PIOs, it's evolved into an accurate emulator running most games and a portion of demos, even interfacing with original C64 hardware like floppy drives. While still under development, it demonstrates potential for running compute-intensive software on low-cost hardware and provides a framework for parallel emulation using multiple RP2040/RP2350s.

(github.com)

Hardware

US Anti-Piracy Symposium Pushes for Site Blocking

2025-01-29

A recent USPTO anti-piracy symposium highlighted the need for site blocking in the US. Experts discussed the evolution of piracy into a sophisticated, multi-level industry offering "piracy as a service." The brazen behavior of some pirates, openly advertising and even trademarking their services, further emphasizes the urgency. While site blocking is effective in over 50 countries, the US lags behind, partly due to the 2012 SOPA failure. The symposium advocated for a dynamic US site-blocking system, learning from international examples to avoid overblocking and swiftly target new pirate domains.

(torrentfreak.com)

Tech anti-piracy piracy industry

arXivLabs: Experimenting with Community Collaboration

2025-04-22

arXivLabs is a platform enabling collaborators to build and share new arXiv features directly on the site. Participants must adhere to arXiv's values of openness, community, excellence, and user data privacy. Got an idea to improve the arXiv community? Learn more about arXivLabs!

(arxiv.org)

Development

C++ Template Inheritance and Copy Construction: A Puzzling static_assert

2025-06-10

C++ Template Inheritance and Copy Construction: A Puzzling static_assert

This article explores a puzzling issue regarding copy constructors in C++ template inheritance. The `Derived` class inherits from `Base`, where `Base`'s copy constructor is deleted. However, `Derived` defines its own copy constructor. Even though this constructor attempts to copy the uncopyable `Base` object, `std::is_copy_constructible` still returns true. This is because the compiler only checks for the presence of a non-deleted copy constructor, not its instantiability. The author further discusses the differences between explicitly defined and implicitly defined copy constructors, and the implications of moving the copy constructor definition out of line.

(devblogs.microsoft.com)

Development Copy Construction

The 10,000 Steps Myth: Why Your Fitness Tracker Might Be Lying

2025-07-24

The 10,000 Steps Myth: Why Your Fitness Tracker Might Be Lying

A major study debunks the 10,000 steps daily myth. Researchers found that 7,000 steps significantly reduces mortality and disease risk, with incremental benefits beyond that. The 10,000-step goal originated from a 1960s marketing campaign, not rigorous science. The study shows that increasing steps from 2,000 to 4,000 daily reduces death risk by 36%, while 7,000 steps yield most health benefits. Optimal step counts vary by age; older adults maximize benefits at 6,000-8,000 steps. Consistency, not an arbitrary target, is key.

(theconversation.com)

Tech steps

Local Social Spending Mitigates the Impact of Economic Hardship on Political Dissatisfaction

2025-02-27

This study investigates the impact of economic hardship on political dissatisfaction in the Netherlands and whether local social spending can mitigate this effect. Using data from the Netherlands Longitudinal Life Course Study, the research finds that economic hardship does increase political dissatisfaction, but higher levels of local social spending significantly reduce this effect, particularly for those experiencing long-term hardship. This may be attributed to feelings of gratitude for received benefits or positive evaluations of government responsiveness. The study also highlights that persistent economic hardship and an accumulation of economic problems exacerbate political dissatisfaction.

(www.frontiersin.org)

Misc political dissatisfaction economic hardship social spending

From Slime to Cosmic Wonder: Rethinking the Origin of Life

2025-06-21

From Slime to Cosmic Wonder: Rethinking the Origin of Life

This article explores the evolution of perspectives on the origin of life. From the 19th-century belief that life could spontaneously generate from mud to the modern understanding of life's extreme rarity and fragility, the article traces the changing views on this topic. It reviews the thoughts of numerous scholars, from Aristotle to Hawking, on the nature of life, and the recognition of Earth's unique place in the universe, emphasizing the need to protect the Earth's ecosystem.

(www.asimov.press)

Tech

GitHub Copilot Chat Goes Open Source: Transparency in AI Coding

2025-07-06

GitHub Copilot Chat Goes Open Source: Transparency in AI Coding

Microsoft open-sourced the GitHub Copilot Chat extension for VS Code, offering unprecedented transparency into its AI-powered code assistant. Copilot Chat understands codebases, helping developers clean up functions, add error handling, explain logic, and even refactor files. Its 'Agent mode' automates compilation, error fixing, test monitoring, and more. While the underlying models remain closed-source, the open-sourced VS Code extension allows auditing, customization, and even building new tools on top of it, significantly increasing trust and transparency in AI tools.

(nerds.xyz)

Development

Slow Mac App Launches: Malware Scan or Hash Cache Miss?

2025-05-01

Blogger Jeff Johnson discovered last year that slow Mac app launches are due to malware scanning by the syspolicyd process. However, blogger Howard Oakley disagrees. Johnson uses spindumps to refute Oakley, showing the malware scan occurs during dlopen when loading dynamic libraries. Oakley claims the slow launches are due to SHA-256 hash cache misses for files in the Frameworks folder. Johnson argues Oakley's theory lacks evidence and ignores the fact that universal binaries contain two architectures, making Oakley's hash calculation time estimates inaccurate. The core of this debate lies in different interpretations of system logs and process snapshots, and differing understandings of caching mechanisms.

(lapcatsoftware.com)

Development Mac apps

Tech Archaeology: Unearthing Brautigan's Poem

2025-01-09

Tech Archaeology: Unearthing Brautigan's Poem

Blogger John Graham-Cumming shared the complete text of Richard Brautigan's poem, "All Watched Over by Machines of Loving Grace," on his blog. While the poem is somewhat known in tech circles, a complete PDF of the original 1967 publication proved elusive. Interpreting the copyright notice as allowing free republication, Graham-Cumming provides a scan of the entire book, a delightful find for tech and literature enthusiasts.

(blog.jgc.org)

Misc tech history online resources

Chinese Astronauts Create Rocket Fuel and Oxygen in Space

2025-08-27

Chinese Astronauts Create Rocket Fuel and Oxygen in Space

Chinese astronauts aboard the Tiangong space station have successfully produced rocket fuel and oxygen in space using a novel artificial photosynthesis technology. This breakthrough, achieved with relatively simple equipment and minimal energy, promises to be crucial for China's planned lunar base, slated for completion within a decade. The technology converts carbon dioxide and water into oxygen and rocket fuel components, offering critical support for human survival and exploration in space. This innovation could significantly reduce reliance on Earth-based resources for the lunar base, paving the way for future missions to Mars and beyond.

(www.livescience.com)

Tech space station lunar base

AI Coding Tools: Productivity Killers?

2025-07-13

AI Coding Tools: Productivity Killers?

A randomized controlled trial involving 16 experienced developers revealed that AI coding tools, contrary to expectations, decreased software development speed by 19%. The study attributed this slowdown to factors such as over-optimism about AI's usefulness, high developer familiarity with the codebase, the complexity of large repositories, and low AI reliability. While AI tools can expedite testing and automate tasks, the need for manual code validation and the lack of learning capabilities negate overall time savings. The researchers emphasize that these findings don't dismiss the future potential of AI tools but highlight the current limitations.

(www.theregister.com)

Development

Microsoft Integrates Musk's Controversial AI, Grok, into Azure

2025-05-19

Microsoft Integrates Musk's Controversial AI, Grok, into Azure

Microsoft has become one of the first hyperscalers to offer managed access to Grok, the controversial AI model from Elon Musk's xAI. Available via Azure AI Foundry, Grok 3 and Grok 3 mini boast Microsoft's service-level agreements and billing. Known for its unfiltered and edgy responses, including the use of vulgar language, the Azure versions are more controlled and include enhanced data integration, customization, and governance features. While the X platform's Grok has faced controversy for biased outputs and sensitive topic handling—including incidents like undressing women in photos and censoring negative comments—the Azure versions aim for improved safety and reliability.

(techcrunch.com)

AI

GitHub Copilot Surpasses 20 Million Users, Igniting AI Coding Tool Wars

2025-08-03

GitHub Copilot Surpasses 20 Million Users, Igniting AI Coding Tool Wars

GitHub Copilot, Microsoft's AI coding tool, has surpassed 20 million users, with 5 million joining in the last three months alone. Boasting adoption by 90% of Fortune 100 companies and 75% quarter-over-quarter enterprise growth, Copilot is a major player. While its user base pales in comparison to general-purpose AI chatbots, Copilot's focus on enterprise clients and expanding capabilities like AI-powered code review and workflow automation give it a strong position. However, the market is heating up. Competitors like Cursor, with its impressive growth and funding, are challenging Copilot's dominance, and tech giants like Google and OpenAI are entering the fray, setting the stage for an intense battle in the AI coding tool arena.

(techcrunch.com)

Development enterprise market

Tech Giants Shift Hiring Overseas Amid AI Investment Pressure

2025-02-07

Tech Giants Shift Hiring Overseas Amid AI Investment Pressure

Faced with the need to invest in AI while maintaining profitability, tech giants like Salesforce and Workday are cutting US-based jobs and expanding hiring internationally, particularly in countries like India and Mexico. This reflects a broader shift in the tech industry towards prioritizing margins and underscores the increasing globalization of skilled talent. While the percentage of US employees is decreasing, these companies still rely heavily on the US market, with international expansion driven primarily by cost-cutting and access to a global talent pool.

(finance.yahoo.com)

Tech cost-cutting global hiring

Cybercriminals Shift to Proxies to Mask Their Activities

2025-06-07

Cybercriminals Shift to Proxies to Mask Their Activities

To evade law enforcement, cybercriminals are increasingly using proxy servers and VPNs to mask their malicious activities. Previously reliant on 'bulletproof' hosting providers, the crackdown on these services has forced a shift. Criminals now leverage residential proxies and other decentralized services, using ordinary consumer IP addresses to obscure their operations, making tracking and identification extremely difficult. This transition presents new challenges to cybersecurity, requiring law enforcement to develop new strategies to combat increasingly sophisticated cybercrime.

(www.wired.com)

Tech proxy servers VPNs

Ruby 3.4.0 Released: Enhanced Performance and New Features

2024-12-25

Ruby 3.4.0 has been released, boasting significant improvements! Key highlights include a performance-boosted YJIT compiler, a new modular garbage collection mechanism, and the convenient `it` block parameter reference. The default parser has switched to Prism, and the socket library now features Happy Eyeballs V2 for more efficient network connections. Core classes have received updates, and various bugs have been squashed. The release also includes deprecation warnings for string literal modifications and improvements to keyword splatting.

(www.ruby-lang.org)

Development release

The Simplest Thing That Could Possibly Work: A Software Design Philosophy

2025-08-30

This article champions the principle of 'doing the simplest thing that could possibly work' in software design. Instead of striving for an idealized, over-engineered system, the author advocates for a deep understanding of the current system and choosing the simplest solution. This approach, while seemingly underwhelming, yields surprisingly effective results, exemplified by the designs of Unix and Rails. While challenges like system inflexibility and defining 'simplicity' exist, the author argues that focusing on current needs and iterative improvement is superior to over-engineering for distant future requirements. Ultimately, a simple, stable system often surpasses an over-engineered, hard-to-maintain one.

(www.seangoedecke.com)

Development simplicity

Pixel-Based Local Sound OLED: The Screen Becomes the Speaker

2025-05-29

A POSTECH research team has unveiled the world's first Pixel-Based Local Sound OLED technology, enabling each pixel to emit distinct sounds, effectively turning the display into a multi-channel speaker array. Successfully demonstrated on a 13-inch OLED panel, this breakthrough eliminates the need for external speakers, offering immersive audio directly from the screen. Published in Advanced Science, this technology addresses the limitations of traditional displays by enabling truly localized sound experiences. Imagine a car where the driver hears navigation while the passenger enjoys music, all from the same screen. This innovation promises a revolution in mobile, automotive, and VR displays.

(www.sciencedaily.com)

Tech Display Technology

GreptimeDB: A Deep Dive into Error Handling for Large Rust Projects

2024-12-19

GreptimeDB: A Deep Dive into Error Handling for Large Rust Projects

This GreptimeDB blog post delves into their error handling practices within large Rust projects. It details how they built a cheaper, more accurate error stack to replace system backtraces, how they organize errors in large projects, and how they present errors differently to logs and end-users. GreptimeDB leverages the snafu crate for error management and implements a "virtual user stack." This approach proves more efficient and memory-friendly than system backtraces, providing clearer, more understandable error messages for both developers and end-users.

(greptime.com)

Development

arXivLabs: Experimenting with Community Collaboration

2025-05-23

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 works with partners who adhere to them. Have an idea to improve the arXiv community? Learn more about arXivLabs.

(arxiv.org)

Development

Unveiling the Magic: How Everyday Tech Works

2025-04-17

Ever wondered how touchscreens work, why it's called a Gaussian blur, or how Figma's pen tool manipulates curves? This book isn't a tutorial, but a fascinating exploration of the underlying principles behind everyday technology. Through clear explanations and numerous illustrations, it reveals the secrets of capacitive touch sensing, Gaussian kernel calculations, and Bezier curves in vector graphics. No prior technical knowledge is required; just curiosity. Expand your understanding of technology and impress your friends with your newfound knowledge.

(www.makingsoftware.com)

Tech technology principles graphics

OpenAI's 'Strawberry' Project: Aiming for Deep Reasoning in AI

2025-02-03

OpenAI's 'Strawberry' Project: Aiming for Deep Reasoning in AI

OpenAI is secretly developing a project codenamed "Strawberry," aiming to overcome limitations in current AI models' reasoning abilities. The project seeks to enable AI to autonomously plan and conduct in-depth research on the internet, rather than simply answering queries. Internal documents reveal that the "Strawberry" model will use a specialized post-training method, combined with self-learning and planning capabilities, to reliably solve complex problems. This is considered a significant breakthrough, potentially revolutionizing AI's role in scientific discovery and software development, while also raising ethical concerns about future AI capabilities.

(economictimes.indiatimes.com)

AI AI reasoning

Lago: Open-Source SaaS Billing Platform Raises $22M, Boasts 7000+ GitHub Stars

2025-08-28

Lago: Open-Source SaaS Billing Platform Raises $22M, Boasts 7000+ GitHub Stars

Lago is an open-source billing platform simplifying, clarifying, and adapting SaaS billing for companies. Having raised over $22 million in funding from top-tier investors, Lago boasts over 7,000 GitHub stars, highlighting a strong developer community and technical prowess. Next-gen companies like Mistral.ai, Together.ai, Groq, and Laravel utilize Lago for their billing needs. The Lago team comprises ambitious, focused individuals dedicated to solving challenging problems with excellence and accountability, fostering a culture of rapid iteration and learning from mistakes.

(www.ycombinator.com)

Development Billing Platform

O(1) Streaming Video Prediction with GPU Memory Optimization

2025-04-19

A novel video prediction model achieves O(1) streaming complexity through optimized GPU memory layout. The model encodes input frames into GPU memory, allocating different context lengths (number of tokens) to frames based on their importance. For instance, in HunyuanVideo, a 480p frame can have its token count adjusted from 1536 to 192 using different patchifying kernels. This allows the most important frames (e.g., the one closest to the prediction target) to utilize more GPU resources, resulting in significant efficiency gains and remarkably achieving O(1) complexity without complex algorithmic optimizations.

(lllyasviel.github.io)

AI video prediction O(1) complexity

The Exploding Cucumber: A Botanical Curiosity

2025-08-13

The Exploding Cucumber: A Botanical Curiosity

Cyclanthera brachystachya, also known as the exploding cucumber (though not to be confused with Ecballium elaterium), is a fascinating vine native to Central and South America. This unusual plant, reaching up to 3 meters in length, produces spiky, 2-4cm fruits that explode when ripe, scattering their seeds. While the small, immature fruits can be eaten raw in salads, the larger, mature ones are typically cooked. Growing it is similar to other cucurbits, thriving in warm, humid climates. Its unique properties make it a curious and edible addition to any garden.

(en.wikipedia.org)

Misc exploding fruit cucurbit

LLM-Powered Retro Game Dev: Cloning a ZX Spectrum App in Hours

2025-03-17

LLM-Powered Retro Game Dev: Cloning a ZX Spectrum App in Hours

The author demonstrates the power of Large Language Models (LLMs) in software rewriting and cloning through an experiment. Starting with an LLM-generated C sales tax calculator, the author disassembles it into assembly, then uses the LLM to generate functional specification documents. Finally, the LLM translates the specification into a ZX Spectrum assembly program, which runs successfully. The entire process took about two hours, showcasing the potential of LLMs for cross-language software conversion and rapid prototyping, and hinting at the potential risks for 'open-source' software.

(ghuntley.com)

Development

Apple Considered Portless iPhone 17 Air: A Glimpse into the Future?

2025-03-17

Apple Considered Portless iPhone 17 Air: A Glimpse into the Future?

Bloomberg's Mark Gurman reports that Apple considered releasing the iPhone 17 Air without a USB-C charging port. While ultimately scrapped, the idea remains on the table for future models. The iPhone 17 Air will "foreshadow a move to slimmer models without charging ports." Apple executives see this as a potential sea change; if successful, they intend to pursue portless iPhones more broadly. This represents a significant design shift, potentially ushering in a new era of portless smartphones.

(www.macrumors.com)

Tech Portless iPhone

US Teens' Trust in Big Tech Plummets

2025-01-30

US Teens' Trust in Big Tech Plummets

A new report from Common Sense Media reveals a significant decline in trust among US teens toward major tech companies like Google, Apple, Meta, TikTok, and Microsoft. The survey found low levels of trust regarding these companies' concern for teen well-being, ethical decision-making, and data privacy. This distrust is linked to several tech scandals over the years, including government mass data collection, the Cambridge Analytica scandal, and Meta whistleblower leaks. Teens also express skepticism about these companies' responsible use of AI, with many believing AI exacerbates online misinformation and impacts the accuracy of online information. The report calls for increased AI privacy safeguards and transparency, suggesting AI-generated content should be labeled and watermarked.

(techcrunch.com)

Tech teens tech trust

FlakeHub Boosts Nix Deployments: Get Store Paths Without Evaluation

2025-02-15

FlakeHub Boosts Nix Deployments: Get Store Paths Without Evaluation

Nix's powerful build capabilities rely on evaluating store paths, which can be expensive on resource-constrained devices. FlakeHub introduces "resolved store paths," allowing users to obtain store paths without using Nix and pull directly from the FlakeHub Cache, significantly boosting deployment efficiency for NixOS, Home Manager, and nix-darwin configurations. The `fh` command-line tool simplifies resolving paths and applying configurations, offering significant advantages in cloud environments and on resource-constrained devices. This feature works with FlakeHub Cache; paid plans unlock private flakes and other advanced features.

(determinate.systems)

Development Deployment Efficiency

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