Self-Driving Scooter? Omoway's Omo X Redefines Electric Two-Wheelers

2025-07-13
Self-Driving Scooter? Omoway's Omo X Redefines Electric Two-Wheelers

Omoway, founded by ex-Xpeng executives, launched the Omo X, an electric scooter boasting automotive-grade autonomous features. The Omo X, showcased in Jakarta, autonomously drove onto the stage using its "Halo Pilot" system, which includes adaptive cruise control, remote summoning, self-parking, and automatic reversing. Beyond autonomous driving, it features collision warning, emergency brake assist, blind-spot monitoring, and V2V communication. Its modular frame adapts to various riding styles. Launching in early 2026 at approximately €3,500, it targets a market above entry-level but below premium e-scooters. While innovative, its success hinges on balancing advanced tech with the affordability and practicality prioritized in key markets like Indonesia, where it's initially launching.

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Reviving LISP 1.5: A C and Odin Implementation

2025-09-03
Reviving LISP 1.5: A C and Odin Implementation

This project recreates the core functionality of the 1962 LISP 1.5 interpreter in both C and Odin, boasting less than 500 lines of code (around 600 for the Odin version). It features a semi-space copying garbage collector based on Cheney's algorithm and limited tail-call optimization. While simplifying error handling and thread safety, the project successfully executes test programs, demonstrating the elegance and conciseness of LISP.

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Development

Craigslist: How an Accidental Disruptor Reshaped the News Industry

2025-08-03
Craigslist: How an Accidental Disruptor Reshaped the News Industry

Craig Newmark's Craigslist, a simple classifieds website, unexpectedly reshaped the news industry. Its cheap and efficient service quickly displaced newspaper classifieds, leading to significant losses for many newspaper giants. However, the article argues that the decline of newspapers wasn't solely due to Craigslist, but rather a combination of reader loss and failure to adapt to digitalization. Craigslist's success lay in its minimalist design and focus on user experience, while newspapers failed due to slow reactions and ineffective responses to digital transformation. Newmark himself transformed from an unassuming programmer to a successful entrepreneur and philanthropist, donating his vast fortune to support journalism, cybersecurity, and veterans' causes.

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The Amazing ROI of Exercise: 10 Years of Life for One Year of Workouts

2025-08-23
The Amazing ROI of Exercise: 10 Years of Life for One Year of Workouts

This article explores the return on investment (ROI) of exercise. The author, a regular exerciser, argues that even considering only lifespan extension, the roughly 8500 hours spent exercising over a lifetime (3 hours/week) can yield an extra 3-10 years of life, potentially even a 1:10 return! This is a conservative estimate, excluding numerous other benefits like increased strength, mental clarity, improved sleep, etc., all enjoyed throughout life. The author encourages readers to start small and build a sustainable exercise routine, reaping the rewards of health and longevity.

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Misc

Stricter Memory Safety Rules: Introducing Child Groups

2025-08-28

This article introduces a stricter memory safety rule by introducing the concept of "child groups." The old rule was too lenient; the new rule more precisely defines which references need to be invalidated when an object is mutated. Using the `Entity` struct as an example, the article explains how to distinguish between the object itself and its "child groups" (e.g., elements in a list, objects pointed to by pointers). The new rule states that when an object might be modified, references to the object itself remain valid, but references to child groups become invalid. Through code examples, the article clearly demonstrates how the new rule enhances memory safety and avoids dangling pointers.

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Development references

Automating Releases with Claude Code

2025-05-26
Automating Releases with Claude Code

Molin uses Anthropic's Claude Code to automate its 1-3 times/week software release process. Claude Code handles creating PRs, checking diffs, deploying the backend, and publishing JS bundles. Instructions in a `.claude/release.md` file guide Claude Code to check for existing release PRs, create new ones, check merge status and CI checks, merge the PR, and finally deploy to production. This significantly improves efficiency and reduces manual work.

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Development software releases

JDK 25: String Performance Boost via Hash Code Constant Folding

2025-05-02

JDK 25 significantly improves the performance of the String class by enabling constant folding of the String::hashCode function. This leads to substantial speedups, especially when using Strings as keys in static, immutable Maps, such as in a scenario where MethodHandles for native calls are accessed via String keys. Benchmarks show over an 8x improvement. This optimization is achieved by marking the internal String.hash field with the @Stable annotation. This allows the JVM to cache and reuse the hash code, avoiding recomputation for non-zero hash codes. While a zero hash code can hinder this optimization, a future fix is anticipated.

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Development

Trump Officials' Modified Signal App Leaked Plaintext Chat Logs

2025-05-06
Trump Officials' Modified Signal App Leaked Plaintext Chat Logs

A security researcher discovered that TeleMessage, the maker of a modified Signal app (TM SGNL) used by former Trump administration officials, has access to users' plaintext chat logs. The app archived messages on a public AWS cloud server, and vulnerabilities led to a hack exposing a trove of chat logs, including Signal, Telegram, and WhatsApp messages. TeleMessage, an Israeli company whose founder is a former IDF intelligence officer, raises concerns about potential sharing of data with Israeli intelligence. This incident highlights the risks of using modified messaging apps and the potential threat to national security.

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Tech

Geotoy: Open-Source 3D Modeling Tool Showcases Stunning Artist Portfolio

2025-08-19

Geotoy, a completely free and open-source 3D modeling tool by Casey Primozic, is showcased through a stunning portfolio of 3D models created by artist ameo. The collection includes a diverse range of creations, from a 3D Hilbert curve and shingles to a temple, maze, spring, fractal terrain, torus knot, dandelion, power line, woven structures, roots, bumpy sphere, abstract hourglass, birdbath, concrete tetrapod, terraced floating island, extruded clay bowl, advanced shader props, superellipse dominos, and even a Dark Souls-inspired tree. This impressive display highlights Geotoy's capabilities and ameo's artistic talent.

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Design

Framework Launches RISC-V Mainboard for Laptop 13: Open-Source Hardware Takes a Leap

2025-02-04
Framework Launches RISC-V Mainboard for Laptop 13: Open-Source Hardware Takes a Leap

Framework has released its highly anticipated RISC-V mainboard for $199. This drop-in replacement for the Framework Laptop 13's Intel or AMD motherboard features the StarFive JH7110 processor, 8GB of RAM, and supports Ubuntu and Fedora. While performance is comparable to a quad-core ARM Cortex-A55, its significance lies in its open-source nature, aiming to accelerate the RISC-V ecosystem. Kits with a case, storage, and accessories are also available, along with pre-built laptops featuring the RISC-V mainboard.

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Hardware

Worldcoin: Selling Your Eyeballs for a Digital Identity – Is It Worth the Privacy Cost?

2025-05-10
Worldcoin: Selling Your Eyeballs for a Digital Identity – Is It Worth the Privacy Cost?

Worldcoin, co-founded by OpenAI CEO Sam Altman, is creating biometric digital identities ('World IDs') by scanning users' irises. While aiming to combat fake online accounts in the age of AI, the project has raised significant ethical and privacy concerns. The company has been criticized for using financial incentives to collect biometric data in regions with weaker legal protections, leading to investigations and penalties from multiple regulatory bodies. Worldcoin's partnerships with major corporations threaten widespread adoption of World ID across various sectors, raising serious data security and privacy invasion concerns. Its business model itself is highly questionable.

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Tech biometric

Tattoo Removal: The Elegant Agony of Picosecond Lasers

2025-05-08
Tattoo Removal: The Elegant Agony of Picosecond Lasers

Tattoo removal is no longer a nightmare! Today's picosecond laser technology is revolutionizing how we remove unwanted ink. These lasers shatter ink particles into tiny pieces, allowing the body's immune system to clear them. While the process isn't painless, multiple sessions can effectively fade or remove tattoos. Advances in technology and affordability are making tattoo removal commonplace, comparable to routine maintenance. This boom signals a potential shift in tattoo culture itself, questioning the permanence of body art.

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Robinhood's Tokenization Gamble: Revolution or Regulatory Risk?

2025-07-21
Robinhood's Tokenization Gamble: Revolution or Regulatory Risk?

Companies like Robinhood are aggressively pushing the tokenization of real-world assets, aiming to break down barriers favoring the wealthy and increase investment transparency and accessibility. This trend leverages blockchain technology to transform assets like stocks and real estate into tradable digital tokens. While proponents see it as the next leap forward in crypto, critics worry it could undermine existing securities laws and investor protections. The tokenization of private company shares is particularly concerning, raising regulatory and potential fraud risks; OpenAI publicly disavowed Robinhood's issuance of its tokens. This has sparked a broad debate about the future of tokenization and how regulators will address this emerging trend, with a potential impact projected to reach $2 trillion by 2030.

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Tech

The Death of the IDE? Rise of the AI Coding Agent

2025-06-21
The Death of the IDE? Rise of the AI Coding Agent

This article explores the rise of AI coding agents like Claude Code, Codex, and Amp, and how they're reshaping software development. The author argues that terminal-based "vibe coding" is replacing traditional IDEs, with engineers producing high-quality code at an astonishing rate. This shift brings increased productivity but also raises concerns about job displacement and performance evaluations. The article also looks ahead at AI's impact on broader knowledge work and society, predicting massive changes in the coming years.

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Development

arXivLabs: Experimenting with Community Collaboration

2025-07-04
arXivLabs: Experimenting with Community Collaboration

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the website. Individuals and organizations involved share arXiv's commitment to openness, community, excellence, and user data privacy. Got an idea to enhance the arXiv community? Learn more about arXivLabs.

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Development

Rich Text, Poor Text: The Hidden Pain of Character Encoding

2025-04-05

This article delves into the issue of how font styles (bold, italics, etc.) are stored in rich text editing. The author argues that these styles aren't mere 'decorations' but integral parts of language expression, similar to punctuation. However, early character encoding standards (like ASCII) didn't include this styling information, leading to the use of embedded markup. This 'pollutes' text data, impacting efficiency and consistency in text processing. The author proposes a wider character encoding scheme to directly encode style information into characters, solving this problem.

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Nokia 5110 Resurrection: Bringing a 2G Legend into the 4G Era

2024-12-16
Nokia 5110 Resurrection: Bringing a 2G Legend into the 4G Era

The author fondly remembers their childhood Nokia 5110 and embarks on a project to transform it into a 4G phone. The plan centers around replacing the original 2G module with a SIM7600SA 4G module. Surprisingly, the 5110's simple design makes the conversion easier than anticipated; the original buttons, display, and interfaces can be reused. The author details their progress and plans to share the new circuit board design in a subsequent post, breathing new life into this classic phone.

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ContextGem's DocxConverter: Going Beyond Open-Source Limitations

2025-05-06
ContextGem's DocxConverter: Going Beyond Open-Source Limitations

ContextGem introduces a robust DOCX converter transforming DOCX files into LLM-ready ContextGem document objects. Unlike other open-source tools, it extracts often-missed elements like misaligned tables, comments, footnotes, textboxes, headers/footers, and embedded images. It preserves document structure with rich metadata for superior LLM analysis. Built as a custom native converter directly processing Word XML with zero external dependencies, it excels where others fall short. While some limitations exist (e.g., character-level styling and chart extraction are skipped), it significantly outperforms open-source alternatives in handling complex DOCX structures, providing richer data for LLM applications.

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Development DOCX conversion

DOJ Doubles Down: Google Must Sell Chrome, Limit Default Search Deals

2025-03-08
DOJ Doubles Down: Google Must Sell Chrome, Limit Default Search Deals

The Justice Department is sticking to its guns in the antitrust case against Google, upholding a previous administration's proposal to force the sale of the Chrome browser and ban payments to companies like Apple for default search engine status. The DOJ argues this will break Google's search monopoly and foster competition. While Google offered alternative remedies, the DOJ deemed them insufficient. A judge will decide on the final solution in April, with significant implications for the tech industry.

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Tech

AMA's CPT Code Monopoly: An Economic Termite in Healthcare

2025-03-27
AMA's CPT Code Monopoly: An Economic Termite in Healthcare

This article exposes the American Medical Association's (AMA) lucrative monopoly on Current Procedural Terminology (CPT) codes, used for medical billing. The AMA charges hefty royalties to software companies using these codes, a cost ultimately passed on to doctors and patients. This practice burdens physicians and influences healthcare politics, shifting AMA focus from its members' interests to its own profit maximization. The author calls for government intervention, such as invalidating CPT code copyrights or developing alternatives, to restore fair competition and the public good. The AMA's silence on Robert Kennedy Jr.'s nomination as Secretary of HHS hints at this power dynamic.

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Anthropic's Constitutional Classifiers: A New Defense Against AI Jailbreaks

2025-02-03
Anthropic's Constitutional Classifiers: A New Defense Against AI Jailbreaks

Anthropic's Safeguards Research Team unveils Constitutional Classifiers, a novel defense against AI jailbreaks. This system, trained on synthetic data, effectively filters harmful outputs while minimizing false positives. A prototype withstood thousands of hours of human red teaming, significantly reducing jailbreak success rates, though initially suffering from high refusal rates and computational overhead. An updated version maintains robustness with only a minor increase in refusal rate and moderate compute cost. A temporary live demo invites security experts to test its resilience, paving the way for safer deployment of increasingly powerful AI models.

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Reverse-Engineering a Pentium's Clever BiCMOS Circuits

2025-01-21
Reverse-Engineering a Pentium's Clever BiCMOS Circuits

This post details the reverse engineering of interesting BiCMOS circuits within Intel's Pentium processor, focusing on the output circuitry of the constant ROM in the floating-point unit. The author meticulously explains the layered structure, the use of MOS transistors, and the unique aspects of the BiCMOS driver. A deep dive into the multiplexers, latches, and driver design reveals the intricate design of the Pentium and highlights the role of BiCMOS technology in enhancing performance. The article ultimately illustrates the remarkable growth in processor complexity as described by Moore's Law.

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Hardware BiCMOS circuits

vrs: A Lisp-based Concurrent Runtime for Joyful Programming

2025-05-30
vrs: A Lisp-based Concurrent Runtime for Joyful Programming

vrs is an ambitious personal software runtime project aiming to deliver a joyful and efficient programming experience by combining the best ideas from systems like Emacs, Erlang, and Unix. It uses an embedded Lisp dialect called Lyric, supporting lightweight processes, message passing, service registration, and the ability to run millions of processes without blocking the system. Developers can use the vrsctl command-line tool for interactive programming and debugging, along with an Emacs mode called `lyric-mode` for efficient development. vrs is under heavy development, but its innovative concurrency model and easy-to-use Lisp dialect show great potential.

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Development

Refactoring in C++: Top Techniques and Best Practices

2024-12-13
Refactoring in C++: Top Techniques and Best Practices

This article explores common refactoring techniques in C++ and best practices for improving code quality. Refactoring, the process of restructuring existing code without changing functionality, enhances readability, efficiency, and maintainability. The article covers techniques like renaming variables and functions, extracting functions, simplifying conditional statements, optimizing loops, and removing code duplication. It emphasizes the importance of using IDEs with auto-refactoring capabilities and highlights best practices such as refactoring in small steps, using version control, and automated testing to minimize technical debt and improve overall code quality.

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Noloco Hiring: Founder's Associate - Build AI Apps, No Code Required

2025-07-01
Noloco Hiring: Founder's Associate - Build AI Apps, No Code Required

Noloco, a remote-first company backed by Y Combinator and other top-tier investors, is hiring a Founder's Associate. This high-impact role involves assisting the CEO with daily operations, strategic planning, and special projects, encompassing finance, recruiting, team events, and more. The ideal candidate will have 1-3 years of experience in startups, consulting, or venture capital, exceptional communication and problem-solving skills, and a strong technical curiosity. You'll gain invaluable insight into early-stage company building and have a significant influence on the company's trajectory.

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Blazing Fast JavaScript/TypeScript Compiler and Bundler on JVM: swc4j

2025-01-04
Blazing Fast JavaScript/TypeScript Compiler and Bundler on JVM: swc4j

swc4j is an ultra-fast JavaScript and TypeScript compilation and bundling tool on the JVM. Part of the Javet portfolio, it processes JavaScript and TypeScript code before execution in Node.js or V8 on the JVM. Features include AST parsing, plugin support, code transformations, minification, multiple target ES versions, source maps, and robust code sanitization (keyword restrictions, object protection, etc.). Easily integrated into projects via Maven or Gradle, swc4j offers a streamlined workflow for compiling and bundling.

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Development

It's Time to Ban Email?

2025-01-28
It's Time to Ban Email?

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

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German Tattoo Artist Detained at US Border for 25 Days

2025-03-02
German Tattoo Artist Detained at US Border for 25 Days

Jessica Brösche, a German tattoo artist, and her friend planned an art project in the US, but she was detained at the US-Mexico border for 25 days. US Customs and Border Protection (CBP) accused her of intending to violate her visa waiver program, despite having a valid visa and return ticket. The incident sparked online attention, with internet sleuths locating her and a local resident visiting her in detention. Brösche remains detained, raising concerns about the US immigration system and its high detention costs.

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Apple Open Sources Swift Build: A Unified Build System for Swift

2025-02-01
Apple Open Sources Swift Build: A Unified Build System for Swift

Apple has open-sourced Swift Build, its powerful and extensible build engine used by Xcode and Apple's own operating systems. Swift Build aims to provide a consistent and flexible cross-platform build experience for Swift projects, supporting Linux and Windows. It features robust integration with the Swift compiler, build graph optimizations for maximum parallelism, and support for a wide variety of product types. This addresses inconsistencies between different build systems used in Swift Package Manager and Xcode. This move should provide Swift developers with a more consistent and efficient development experience, laying the groundwork for future improvements and optimizations.

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Development Build System

Passkeys: Convenience vs. Control – A Growing Concern

2025-09-02
Passkeys: Convenience vs. Control – A Growing Concern

The shift towards passkeys as a replacement for usernames and passwords, while aiming for enhanced security, presents underlying issues. The attestation system allows websites to gather detailed device information, enabling governments to restrict users to specific hardware authenticators. Interoperability between password managers is limited, creating vendor lock-in. Sneaky auto-enrollment tactics by services subtly bind users to their ecosystems. The author expresses concern over increasing reliance on tech giants and complex systems, potentially leading to restricted data access, heightened authentication complexity, and ultimately, a loss of user agency.

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Tech
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