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The Mystery of the 6502's Illegal Opcodes

2025-04-23

The MOS 6502, powering classics like the Commodore 64, Apple II, and NES, is famous for its 'illegal' opcodes: 105 undefined instructions out of 256. While many articles document their effects, this one delves into their origins. By analyzing the 6502's internal Programmable Logic Array (PLA), the author reveals how these undocumented instructions arise from the chip's design. Examples like the 'LAX' instruction (a combined LDA and LDX) and the 'KIL' opcodes (which halt the CPU) are explained, showcasing how the 6502's architecture unintentionally created functional, albeit undefined, instructions.

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(www.pagetable.com)
Hardware

GTA San Andreas Skimmer Plane Vanishes: A 20-Year-Old Bug Triggered by Windows 11 24H2

2025-04-23
GTA San Andreas Skimmer Plane Vanishes: A 20-Year-Old Bug Triggered by Windows 11 24H2

A long-standing bug in Grand Theft Auto: San Andreas has resurfaced: the Skimmer plane disappears after upgrading to Windows 11 24H2. Investigation revealed the issue stems from uninitialized variables in the game's code and a change in stack space usage by the `LeaveCriticalSection` function in Windows 11 24H2. This caused the game to unexpectedly rely on undefined behavior for two decades, until the update broke this fragile balance. The author fixed the issue by modifying the game files or using a SilentPatch, exposing a long-standing flaw in the game's code and the unexpected compatibility issues that Windows system updates can introduce.

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(cookieplmonster.github.io)
Game Game Bug Windows Compatibility

Quantum Rubik's Cube: Infinite Possibilities and a Quantum Advantage

2025-04-23
Quantum Rubik's Cube: Infinite Possibilities and a Quantum Advantage

Mathematicians have created a quantum Rubik's Cube with infinite possible states, introducing novel quantum moves. Unlike the classic Rubik's Cube's finite permutations, the quantum version allows for superposition, where pieces exist in multiple states simultaneously. Simulations comparing classical, quantum, and combined solving algorithms revealed the combined approach performed best, followed by quantum, then classical. While the classical solver could sometimes achieve faster solutions, the quantum solver provided more consistent solving times. This research offers a fresh perspective on quantum computing and presents a fascinating puzzle for math enthusiasts.

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(www.sciencealert.com)
Tech

Zero-Cost, Minimalist Blogging: Obsidian, Hugo, and Cloudflare Pages

2025-04-23

I've switched to Obsidian for all my writing, and combined it with Hugo and Cloudflare Pages for a completely free blogging setup. Obsidian's local-first model and minimal theme keep writing focused and efficient; iCloud syncs notes across devices seamlessly; Hugo and the Bear theme provide a fast, minimal website; and GitHub and Cloudflare Pages offer free, reliable deployment. This gives me complete control – no subscriptions, no vendor lock-in. Setting up requires some technical knowledge, but the result is a frictionless publishing workflow.

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(ingau.me)
Development

OpenAI Eyes Chrome Acquisition Amidst Google Antitrust Case

2025-04-23
OpenAI Eyes Chrome Acquisition Amidst Google Antitrust Case

OpenAI's head of product, Nick Turley, testified that the company would be interested in acquiring Chrome if Google is forced to divest, Reuters reports. This comes as part of the US Department of Justice's antitrust case against Google. OpenAI previously attempted to partner with Google to integrate its search technology into ChatGPT but was unsuccessful. Currently, OpenAI is building its own search index, but progress is slower than initially anticipated.

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(www.theverge.com)
Tech

Geocoding API Showdown: A Deep Dive into Pricing, Limits, and Terms

2025-04-23

This article compares seven popular geocoding APIs (HERE, Google Maps, Azure Maps, OpenCage, TomTom Maps, LocationIQ, and Nominatim) across pricing, free tiers, rate limits, and terms of use. It finds Azure Maps and Google Maps to be pricier and more restrictive; OpenCage and LocationIQ offer flexible monthly plans, with LocationIQ boasting a more generous free tier; TomTom Maps provides a high daily free quota, ideal for inconsistent usage; HERE suits high-volume needs; and Nominatim is best for small, non-commercial projects. The best API depends on project scale, budget, and specific requirements.

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(www.bitoff.org)
Development geocoding API pricing comparison API selection

Avro Arrow: The Canadian Supersonic Jet That Never Was

2025-04-23
Avro Arrow: The Canadian Supersonic Jet That Never Was

The Avro Arrow, a Canadian-built supersonic interceptor hailed as the world's best in its time, was abruptly cancelled in 1959, with all planes and blueprints destroyed. This article recounts the Arrow's rise and fall, exploring the political and technological factors behind its demise and its enduring legacy. Despite its cancellation, the project showcased Canada's aeronautical prowess and national pride. Many engineers involved later contributed to the American space program, highlighting a continuation of Canadian expertise in aerospace.

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(watershedmagazine.com)
Tech aviation history Canadian history

A Global Language List Revealed!

2025-04-23
A Global Language List Revealed!

This code snippet showcases an impressive list of languages from around the globe, spanning Europe, Asia, Africa, and the Americas. It highlights the globalization of the internet and the flourishing exchange of global cultures. This is a valuable resource for developers creating multilingual applications or websites.

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(www.vaticannews.va)
Development

EU Slaps Apple and Meta with Hefty Fines for DMA Violations

2025-04-23
EU Slaps Apple and Meta with Hefty Fines for DMA Violations

The European Commission fined Apple and Meta for non-compliance with the Digital Markets Act (DMA). Apple faces penalties for alleged violations concerning its app store regulations, while Meta's designation of Facebook Marketplace as a regulated service was overturned. Both companies plan to appeal, criticizing the EU's actions. This enforcement marks a significant step in the EU's intensified regulation of Big Tech and highlights growing trade tensions between the US and EU.

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(www.politico.eu)
Tech

OpenAI Eyes Chrome Acquisition: An AI-First Browser in the Works?

2025-04-23
OpenAI Eyes Chrome Acquisition: An AI-First Browser in the Works?

OpenAI has signaled its interest in acquiring Chrome should Google be forced to sell. This follows OpenAI's hiring of former Google developers and its reported exploration of building a Chromium-based browser. Acquiring Chrome would grant OpenAI immediate access to billions of users and a significant market share, allowing for seamless integration of ChatGPT and other AI tools into a revolutionary 'AI-first' browsing experience. The influx of user data would also be invaluable for training more powerful AI models. While Google claims Chrome is unsustainable independently, its substantial search advertising revenue suggests otherwise. If a sale is mandated, OpenAI's substantial resources could position it to reshape the future of browsing.

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(arstechnica.com)
Tech AI Browser

EU Slaps Apple and Meta with Huge Fines for DMA Violations

2025-04-23
EU Slaps Apple and Meta with Huge Fines for DMA Violations

The European Commission has fined Apple €500 million and Meta €200 million for breaching the Digital Markets Act (DMA), marking the first sanctions under the landmark legislation aimed at curbing Big Tech's power. Both companies criticized the decision, with Apple vowing to challenge the fine, citing concerns about user privacy and security. Meta argued the EU is unfairly targeting American businesses. The fines target Apple's restrictions on app developers and its prevention of sideloading, while Meta's binary pay-or-consent model also drew penalties. The EU's actions could escalate trade tensions with the US.

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(ca.finance.yahoo.com)
Tech

Can Gene Editing Save the Northern White Rhino?

2025-04-23
Can Gene Editing Save the Northern White Rhino?

Only two northern white rhinos remain, Najin and Fatu, and they're becoming the subjects of a groundbreaking gene-editing experiment. Scientists are attempting to resurrect the species through in-vitro fertilization and southern white rhino surrogates. However, this 'Jurassic Park'-esque endeavor faces numerous challenges and sparks ethical debates: Is the immense cost and effort justified for this 'human-made extinction', rather than broader wildlife conservation?

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(nautil.us)
Tech northern white rhino extinction

Trump Administration's Cybersecurity Catastrophe: The Near-Collapse of the CVE Database

2025-04-23
Trump Administration's Cybersecurity Catastrophe: The Near-Collapse of the CVE Database

This article exposes the Trump administration's devastating impact on US cybersecurity. The critical CVE vulnerability database nearly collapsed due to underfunding, a mere tip of the iceberg. Key cybersecurity officials were fired, advisory bodies dismantled, federal cybersecurity grants slashed, and responsibility even devolved to state governments, leaving the US vulnerable. This self-inflicted damage not only endangers America but also poses a global cybersecurity threat.

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(www.theregister.com)
Tech CVE database

MinC 6.1: A Lightweight Unix Environment

2025-04-23

MinC 6.1 is a lightweight Unix environment emulator now featuring a simplified installation wizard. It bundles a rich set of common Unix commands, encompassing file management, compression, networking tools, and development utilities. While some services and daemons are not yet supported, the developer promises their imminent release. Users can support the project through donations and suggest software for future inclusions. Post-installation, antivirus adjustments might be necessary for proper functionality, and integration with VS Code as a terminal is possible.

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(minc.commandlinerevolution.nl)
Development

Retro Computing: Raising Digitally Literate Kids with Windows 3.1 and DOS Games

2025-04-23
Retro Computing: Raising Digitally Literate Kids with Windows 3.1 and DOS Games

Concerned about online risks for their children, the author turned to Windows 3.1 and DOS era software, using retro games to cultivate their learning abilities and keyboard skills. For example, the 1985 educational game '1st Math' helps children learn math while improving hand-eye coordination and cognitive skills. The author plans to set up an old computer loaded with classic educational software, protecting children while preserving digital heritage.

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(rietta.com)
Game children's education digital literacy

The Gruen Transfer Goes Digital: How Websites Are Designed to Confuse You

2025-04-23
The Gruen Transfer Goes Digital: How Websites Are Designed to Confuse You

Ever felt lost in a supermarket, only to buy things you didn't need? That's the Gruen Transfer—a deliberately confusing layout designed to make you forget your original purpose. This article argues that this tactic has spread online, with Facebook's newsfeed being a prime example, filled with ads and irrelevant content that keeps users endlessly scrolling. Many websites employ similar strategies to encourage impulsive purchases. The article explores the negative impacts of this and mentions EU regulations aiming to simplify user experience and reduce unnecessary complexity.

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(sebs.website)
Design

The Chip Talent Crisis: 6 Reasons Why the Industry is Struggling

2025-04-23
The Chip Talent Crisis: 6 Reasons Why the Industry is Struggling

The global semiconductor industry faces a severe talent shortage, with Deloitte predicting a shortfall of 1 million skilled workers by 2030. This article explores six key reasons: a theory-first education neglecting practical application; a misconception that software pays more; graduate degree requirements creating bottlenecks; premature specialization limiting career paths; a lack of documentation hindering knowledge transfer; and a relatively traditional, high-pressure chip industry culture. The author proposes a practical-first approach to education, the creation of a chip learning community, and improvements to industry culture to attract more talent.

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(www.viksnewsletter.com)
Tech chip talent talent shortage

Solving eBPF Portability: BPF CO-RE to the Rescue

2025-04-23
Solving eBPF Portability: BPF CO-RE to the Rescue

eBPF program execution relies heavily on the kernel version, and differences in struct definitions across kernel versions can cause programs to crash. This article introduces BPF CO-RE, a technique that generates relocation information during compilation and uses BTF (BPF Type Format) information at runtime to correct field offsets, thus solving the portability problem of eBPF programs. Even without BTF support on the target kernel, pre-downloading and embedding BTF files achieves cross-kernel compatibility. The author also provides a GitHub repository with a complete solution that automatically downloads and embeds BTF data, producing a single binary that runs across a wide range of kernels without requiring BTF support on the target system.

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(ebpfchirp.substack.com)
Development

14 Underrated Python Features to Level Up Your Skills

2025-04-23

This article explores 14 lesser-known yet powerful Python features. From type overloading and keyword-only arguments to structural pattern matching and metaclasses, it delves into advanced techniques that can significantly improve code efficiency and readability. Learn how to leverage features like generics for type safety, optimize performance with caching (@cache), and streamline conditional logic with pattern matching. Even seasoned Python developers will discover new tricks and insights to boost their coding prowess.

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(blog.edward-li.com)
Development Python tips advanced Python

The Fate of Gaelic and the Ossian Controversy

2025-04-23

2025 marks the 20th anniversary of the Gaelic Language Act (Scotland). Despite growing numbers learning Gaelic, its usage remains low due to the dominance of English. This article explores the 18th-century epic poems of James Macpherson, known as Ossian, and the controversy surrounding their authenticity. Macpherson claimed to translate ancient Gaelic texts, but their veracity has been debated for centuries. While Ossian profoundly influenced European Romanticism, it's not the sole or best representation of the Finn Cycle, a rich body of Gaelic oral and written tradition far older and more extensive than Macpherson's work. The article calls for prioritizing Gaelic community language preservation efforts, ensuring Gaelic and its cultural heritage thrive in a new era.

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(www.historytoday.com)
Misc Gaelic Scottish Culture Ossian

Have I Been Pwned Speeds Up Dramatically with Cloudflare Edge Caching

2025-04-23
Have I Been Pwned Speeds Up Dramatically with Cloudflare Edge Caching

Have I Been Pwned (HIBP) dramatically improved its speed and availability by caching data on Cloudflare's global edge network. Previously, each query involved a long trip to an Azure function, but now data resides close to users. This reduces latency, boosts availability, and saves costs. While new data updates clear the cache causing temporary slowdowns, the overall architecture vastly optimizes HIBP's performance, enabling it to handle billions of queries.

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(www.troyhunt.com)
Tech caching

42 Open Source Projects Awarded Funding to Reclaim the Public Internet

2025-04-23

The NGI Zero Commons Fund announced its largest-ever funding round, awarding grants to 42 open-source projects focused on reclaiming the public nature of the internet. Projects span hardware (like the open-hardware tablet MNT Reform Touch and the solar-powered Solar FemtoTX motherboard), operating systems (including the next-generation bcachefs filesystem for Linux and KDE Plasma gestures), and data & AI (such as LLM2FPGA, enabling local open-source LLM inference on FPGAs). This initiative champions open, secure, and accessible internet technologies, fostering a more democratic and equitable digital landscape.

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(nlnet.nl)
Tech

California Running Out of License Plate Numbers; New System Incoming

2025-04-23
California Running Out of License Plate Numbers; New System Incoming

California is projected to exhaust its current license plate number system by the end of 2025. The existing 1-3-3 format (one number, three letters, three numbers), in use since 1980, will be replaced. The California DMV has announced a new 3-3-1 format (three numbers, three letters, one number), with plates like 000AAA1 anticipated. The last plate of the old system, likely 9ZZZ999, will become a collector's item, as will the first plate of the new system. A redesign of the plate itself may also accompany the change.

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(www.thedrive.com)
Misc license plates DMV

Debunking the Airplane Lift Myth: The Bernoulli Fallacy

2025-04-23
Debunking the Airplane Lift Myth: The Bernoulli Fallacy

The common explanation for airplane lift using Bernoulli's principle—faster air over the top, lower pressure, thus lift—is fundamentally flawed. This article argues that this "equal transit time" fallacy, while simple and intuitive, neglects crucial factors like viscosity, entrainment, and the Coanda effect, and violates Newton's third law. Lift primarily results from the downward deflection of air by the wing, a consequence of Newton's third law; even symmetrical airfoils generate lift. While Bernoulli's equation itself isn't wrong, its application in explaining lift often involves erroneous assumptions and additions.

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(hsm.stackexchange.com)
Tech Bernoulli's principle airplane lift fluid mechanics

Sub-nanosecond Flash Memory Device Based on 2D Materials: Fabrication and Modeling

2025-04-23
Sub-nanosecond Flash Memory Device Based on 2D Materials: Fabrication and Modeling

Researchers fabricated a sub-nanosecond flash memory device based on two-dimensional (2D) materials (WSe2, graphene, and hBN). The fabrication process involved e-beam lithography, atomic layer deposition, and mechanical exfoliation. The device's structure and performance were characterized using atomic force microscopy, transmission electron microscopy, and energy-dispersive spectroscopy. A quasi-2D model was developed to simulate the device's electrical characteristics, and its validity was experimentally verified. This research provides new avenues for developing high-performance, low-power next-generation flash memory devices.

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(www.nature.com)
Hardware flash memory device modeling

AI Winter Bites: The Struggle for Computer Science Grads in a Shrinking Tech Job Market

2025-04-23

The post-pandemic tech layoff wave has hit globally, with many tech companies, especially large ones, significantly reducing hiring. Simultaneously, rapid AI advancements are displacing some programmers. For recent computer science graduates, the job market is tougher. While some secure roles through internships and networking, intense competition and uncertainty remain. Experts suggest over-hiring during the pandemic and worsening macroeconomic conditions also play roles, not just AI. However, tech still needs talent; job types and locations are shifting, with opportunities emerging outside the tech giants, such as in banking.

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(cacm.acm.org)
Tech tech layoffs

GitHub Code Suggestion Application Restrictions

2025-04-23
GitHub Code Suggestion Application Restrictions

Several limitations prevent applying code suggestions in GitHub code reviews. These include: no code changes made, the pull request being closed, viewing a subset of changes, only one suggestion per line allowed, applying to deleted lines, suggestions already applied or marked resolved, suggestions from pending reviews, multi-line comments, the pull request being queued to merge, or system limitations.

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(github.com)
Development limitations

Personal Humanoid Robots: A New Space Race?

2025-04-23

Personal humanoid robots are rapidly advancing, poised to revolutionize daily life much like the personal computer revolution. They promise to handle household chores, tutor children, and assist the elderly. This article explores how open-source AI and garage innovators are driving this movement, similar to the early days of personal computing, and the resulting cultural shift. Humanoid robots excel due to their compatibility with human environments, superior dexterity, mobility, and human-robot collaboration. However, cost, reliability, and potential security risks remain challenges. A competition between China and the US is underway, with both vying for technological and economic dominance, creating geopolitical tension.

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(readmultiplex.com)
Tech humanoid robots

Yahoo's Mismanaged Dissident Fund Settles After Lawsuit

2025-04-23
Yahoo's Mismanaged Dissident Fund Settles After Lawsuit

A fund established by Yahoo to support Chinese dissidents was mismanaged by its nonprofit partner, the Laogai Research Foundation, with most of the money diverted. In 2017, six formerly imprisoned Chinese dissidents sued Yahoo, Laogai, and its leadership. The settlement compensates the dissidents, and remaining funds will establish a new fund managed by Humanitarian China to continue supporting individuals imprisoned for their speech in China. This funding is crucial for dissidents facing economic and social hardship after release, symbolizing international support for their cause.

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(www.technologyreview.com)
Misc

4th Circuit Rejects Emergency Request in Abrego García Case

2025-04-23

This post provides a line-by-line analysis of the Fourth Circuit's opinion in the case of Kilmar Armando Abrego García, a Salvadoran national deported despite a withholding of removal order. The court denied the government's motion for an emergency stay and writ of mandamus. The judge found the government's actions deprived Abrego García of due process, even with claims he was a terrorist and MS-13 member. The court emphasized that due process must be observed even if accusations are true, noting the government could seek to overturn the withholding of removal order. The ruling highlights the checks and balances between the judicial and executive branches, and the upholding of due process and the rule of law.

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(writing.kemitchell.com)
Misc
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