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arXivLabs: Experimenting with Community Collaboration

2025-03-15

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on our website. Individuals and organizations working with arXivLabs embrace our 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 for a project that will add value to arXiv's community? Learn more about arXivLabs.

(arxiv.org)

Development

From macOS to Arch Linux: A Developer's Journey

2025-08-23

From macOS to Arch Linux: A Developer's Journey

A developer traded his five-year-old MacBook Pro M1 Max for a budget Lenovo ThinkBook 14 G7 AMD laptop running Arch Linux (Omarchy). After a month, he found Linux, while lacking some macOS polish (e.g., screenshot tools and backups), offered unparalleled customization. By crafting custom shortcuts and configuring various tools, he achieved a workflow comparable to, or even exceeding, his macOS experience. He embraced the freedom to tailor his OS, happily accepting compromises in battery life and thermals. This transition highlighted the joy of a highly customizable system.

(www.ssp.sh)

Development

Klarna's AI Customer Service Pivot: Humans Are Back

2025-05-11

Klarna's AI Customer Service Pivot: Humans Are Back

After boasting last year that its AI chatbot could replace 700 human representatives, buy now, pay later giant Klarna is reversing course. While the AI handled routine inquiries efficiently, the company found that human empathy and expertise were crucial for complex or emotionally charged situations. Klarna is now prioritizing human-powered customer service, viewing AI as a supplementary tool rather than a replacement. They're recruiting extensively for a flexible, remote-work customer service model, aiming to improve customer experience and address the limitations of AI in handling nuanced interactions. This shift highlights the ongoing need for human connection in customer service, even in a rapidly automating world.

(www.customerexperiencedive.com)

Startup Human Interaction

High School Founders' Calorie-Counting App Hits $2M in Monthly Revenue

2025-04-04

High School Founders' Calorie-Counting App Hits $2M in Monthly Revenue

Eighteen-year-old high schoolers Zach Yadegari and Henry Langmack launched Cal AI, a calorie-counting app, which boasts over 5 million downloads in eight months and generated over $2 million in revenue last month. Cal AI uses image recognition to calculate food calories and macros, leveraging large image models from Anthropic and OpenAI for 90% accuracy. The founders' entrepreneurial journey began in high school; Yadegari sold his first company at 16. Cal AI's success showcases the dynamism of young entrepreneurs and the potential of AI in practical applications.

(techcrunch.com)

Startup teen entrepreneurs

Yomiuri Shimbun Sues AI Startup Perplexity for Copyright Infringement

2025-08-12

Yomiuri Shimbun Sues AI Startup Perplexity for Copyright Infringement

Japan's largest newspaper, the Yomiuri Shimbun, has filed a copyright infringement lawsuit against generative AI startup Perplexity. This marks the first major copyright challenge by a Japanese news publisher against an AI company. The suit alleges Perplexity accessed and reproduced over 100,000 Yomiuri articles without authorization, using them to answer user queries. Yomiuri is seeking nearly $15 million in damages and a cease-and-desist order. While Japanese law permits AI training on copyrighted material, it doesn't allow for unauthorized reproduction and distribution. The lawsuit highlights growing tensions between AI companies and news publishers over copyright in the age of AI.

(www.niemanlab.org)

Tech Yomiuri Shimbun

The Perfectionism Trap: From Quantity to Quality in Creative Work

2025-07-05

The Perfectionism Trap: From Quantity to Quality in Creative Work

This article explores how perfectionism hinders creative work. The author argues that perfect ideas exist only in the imagination; bringing them to life reveals a gap between conception and execution. Using a photography class experiment as an example, the author emphasizes the importance of practice, stating that quantity leads to quality. The article also introduces the concept of 'the quitting point'—the moment initial enthusiasm fades—and explains that only persistent practice can overcome this hurdle and ultimately lead to excellent work.

(maalvika.substack.com)

Design practice

Cheating at Settlers of Catan: Loaded Dice and P-values

2025-05-22

This article details an experiment to create loaded dice for Settlers of Catan, aiming to gain 5-15 extra resource cards per game. The author submerged one side of the dice to increase its weight, skewing the results. While statistical tests confirmed the dice bias, the author argues that the limited number of rolls in a typical game prevents opponents from scientifically proving cheating using standard p-value tests. The article discusses flaws in p-value analysis and highlights the use of more sophisticated methods like Bayes factors.

(izbicki.me)

Game Settlers of Catan Statistics Cheating

Open Source PebbleOS Smartwatches Are Back: Core 2 Duo and Core Time 2 Pre-orders Open

2025-03-18

Open Source PebbleOS Smartwatches Are Back: Core 2 Duo and Core Time 2 Pre-orders Open

rePebble has announced two new smartwatches running open-source PebbleOS: the Core 2 Duo and the Core Time 2. The Core 2 Duo features an ultra-crisp black and white display, a polycarbonate frame, costs $149, and starts shipping in July. The Core Time 2 boasts a larger 64-color display, a metal frame, costs $225, and begins shipping in December. Both watches are inspired by the classic Pebble design, offering long battery life, a simple and beautiful aesthetic, and compatibility with thousands of existing Pebble apps. Available exclusively for pre-order on the rePebble website, quantities are limited.

(ericmigi.com)

Hardware

RIP Skype: Microsoft Officially Kills Off Its Legacy Messaging App

2025-02-28

RIP Skype: Microsoft Officially Kills Off Its Legacy Messaging App

After two decades, Microsoft is finally pulling the plug on Skype in May. Users are being urged to migrate to Microsoft Teams for their communication needs. While Skype has received updates over the years, the writing has been on the wall since the launch of Teams, Microsoft's collaboration platform designed to compete with Slack. This move solidifies Microsoft's commitment to Teams as its primary communication service.

(www.xda-developers.com)

Tech

Gmail Gets a Delivery Tab and Smarter Promotions

2025-09-12

Gmail Gets a Delivery Tab and Smarter Promotions

Gmail is rolling out a major update, adding a dedicated "Purchases" tab to organize all your delivery emails in one place, accessible via the side menu on mobile and web. While the new tab centralizes deliveries, same-day packages will still appear as cards in your primary inbox with quick "See item" or "Track Package" buttons. Simultaneously, the Promotions tab is getting a 'Most Relevant' sorting option based on user interaction, plus timely nudges for expiring deals. These features will gradually roll out to personal Gmail accounts.

(www.engadget.com)

Tech Email Management

Devs, Please Care About UX!

2025-04-29

Devs, Please Care About UX!

The author recounts their experience of being unable to pay rent due to a bloated banking app, criticizing developers for prioritizing development speed over user experience. The article highlights how large app sizes, excessive code, and tracking scripts waste user resources and increase costs, ultimately harming users. The author urges developers to prioritize user experience, consider real-world use cases, and avoid sacrificing usability for the sake of perceived 'development velocity'.

(happyfellow.bearblog.dev)

Development mobile apps

QEMU Gains Vulkan Acceleration with VirtIO GPU Driver Update

2024-12-12

QEMU Gains Vulkan Acceleration with VirtIO GPU Driver Update

QEMU version 9.2.0 and later now supports Vulkan acceleration for VirtIO-GPU thanks to the Venus patches. This represents a significant advancement in Vulkan graphics rendering for QEMU virtual machines. The article details the setup process, including installing necessary packages (Linux kernel 6.13+, QEMU 9.2.0+, Vulkan drivers, etc.), building QEMU from source, and creating a VM image. While virt-manager currently lacks Vulkan configuration support, command-line parameters offer a workaround. Troubleshooting tips are provided, along with notes on current limitations in virt-manager and libvirt.

(gist.github.com)

Development

Wide Events: A Practitioner's Guide to Enhanced Observability

2024-12-24

This article introduces 'Wide Events,' an observability approach that enhances system monitoring and debugging by emitting a single event containing all collectable information for each unit of work. The author details how to choose appropriate tools (like Honeycomb), add rich attributes (including service metadata, instance info, build info, HTTP request/response details, user/customer info, rate limits, caching info, localization info, uptime, metrics, async request summaries, sampling info, and timing info), and handle errors and feature flags. Common concerns like excessive data volume, redundant data, and the relationship with existing metrics are addressed. The article highlights the significant practical value of this approach, showcasing how it simplifies debugging and reveals unexpected system behaviors.

(jeremymorrell.dev)

Development wide events log monitoring

Critical Ubuntu User Namespace Bypass Exploits Discovered

2025-03-29

Critical Ubuntu User Namespace Bypass Exploits Discovered

Qualys researchers have uncovered three critical security bypasses in Ubuntu 23.10 and 24.04's unprivileged user namespace restrictions. These bypasses, leveraging the aa-exec tool, busybox shell, and LD_PRELOAD technique, allow local attackers to create user namespaces with full administrative privileges, potentially exploiting kernel vulnerabilities. Canonical acknowledges these as limitations of their AppArmor defense, not vulnerabilities, and recommends administrative hardening steps such as enabling kernel.apparmor_restrict_unprivileged_unconfined=1 to mitigate the risks.

(www.bleepingcomputer.com)

Development

Text-Based TUI Matrix Application: A Nestable Text Desktop Environment

2025-03-07

Text-Based TUI Matrix Application: A Nestable Text Desktop Environment

This is a text-based application where the entire user interface is a mosaic of text cells forming a TUI matrix. The resulting TUI matrix renders either into its own GUI window or a compatible text console. It can wrap any console application and nest indefinitely, creating a text-based desktop environment. Supports Windows, Unix, Linux, macOS, FreeBSD, NetBSD, OpenBSD, and more. Currently, native GUI window rendering is only available on Windows; Unix platforms require a terminal emulator.

(github.com)

Development text interface

EU's Controversial 'Chat Control' Bill: Privacy vs. Child Sexual Abuse

2025-09-11

EU's Controversial 'Chat Control' Bill: Privacy vs. Child Sexual Abuse

The EU is set to debate a controversial 'Chat Control' bill aimed at combating child sexual abuse by mandating the scanning of user content or bypassing encryption. However, the bill has drawn fierce opposition from security experts who deem it unworkable, highly intrusive, and prone to a high rate of false positives, potentially leading to a national security disaster. Several encrypted messaging apps have vowed to fight the bill legally or relocate outside the EU. The German delegation may seek a delay, leaving the bill's fate uncertain.

(www.theregister.com)

Tech child sexual abuse

Mastering the Spotlight: Prioritization in Tech

2025-03-07

In the fast-paced world of tech, not all work is created equal. This article highlights that most high-priority tasks are actually low-impact. Success hinges on recognizing the 'spotlight' moments – projects receiving intense leadership focus. Engineers must develop the ability to quickly identify and seize these opportunities, dedicating themselves to high-impact projects. Conversely, when the spotlight isn't on them, leveraging personal time for valuable projects enhances skills and company contributions. This requires not just judgment but a skill honed through practice.

(www.seangoedecke.com)

Development

Postgres Writes Got Faster, But Replication Broke: A Deep Dive

2025-07-21

Postgres Writes Got Faster, But Replication Broke: A Deep Dive

Boosting write throughput for the pg_search Postgres extension using an LSM tree broke physical replication. This post details the challenges of ensuring both physical and logical consistency when using write-optimized data structures in a replicated database. The authors describe how they solved the problem by implementing atomic logging and leveraging Postgres's `hot_standby_feedback` setting to coordinate cleanup operations with standby replicas, maintaining data integrity even under heavy write loads.

(www.paradedb.com)

Development LSM Tree

Humanely Hatched: Tech Solves the Male Chick Culling Problem

2025-07-21

Humanely Hatched: Tech Solves the Male Chick Culling Problem

Approximately 350 million male chicks are culled annually in the US egg industry. A new technology, in-ovo sexing, allows producers to identify and remove male eggs before hatching. NestFresh and Kipster are pioneering this technology in the US, launching 'Humanely Hatched' eggs. Consumer interest is high, with 73% expressing strong interest in ethically sourced eggs. This represents a significant turning point for the US egg industry, offering both improved animal welfare and a more sustainable future for egg production.

(optimistsbarn.substack.com)

Tech

Four Years of Running a Sustainable SaaS: From $0 to $500 MRR

2025-05-11

Four Years of Running a Sustainable SaaS: From $0 to $500 MRR

This article details the author's four-year journey building OnlineOrNot, a self-funded SaaS. Working just two hours a day, they focused on iterative development, user feedback, and lean marketing to achieve $500 MRR. Key takeaways include prioritizing core features, rapid iteration, concise documentation, mobile-first design, and smart pricing. The author emphasizes avoiding feature bloat, premature optimization, and the importance of listening to user needs over building for hypothetical scenarios.

(maxrozen.com)

Startup

Brembo's Greentell Brakes: 90% Less Brake Dust

2025-05-22

Brembo's Greentell Brakes: 90% Less Brake Dust

As electric vehicles reduce exhaust emissions, focus shifts to other pollution sources like tires and brakes. Europe's upcoming Euro 7 standard addresses this with stricter particulate emission limits. Brembo's new Greentell brake system aims to solve this, boasting a 90% reduction in brake dust while improving durability. Developed over a decade, this mass-market solution balances environmental responsibility with performance, offering a significant step towards cleaner transportation.

(arstechnica.com)

Tech Brakes

Anthropic's Claude Gets a Citation API to Fight Hallucinations

2025-01-28

Anthropic's Claude Gets a Citation API to Fight Hallucinations

Anthropic launched a new Citations API that integrates Retrieval Augmented Generation (RAG) directly into its Claude models. This combats AI hallucinations by directly linking responses to source documents. Developers can add documents to Claude's context, allowing it to cite specific passages used in generating answers. Internal testing showed a 15 percent improvement in recall accuracy. Early adopters like Thomson Reuters and Endex report positive results, including reduced confabulations and increased references. While further research is needed, this represents a significant step toward more reliable AI.

(arstechnica.com)

AI

Burning Sensation Leads to Shocking Brain Parasite Diagnosis

2025-02-14

Burning Sensation Leads to Shocking Brain Parasite Diagnosis

A 30-year-old woman experienced a burning sensation in her feet that progressed to her entire body after a trip to Thailand, Japan, and Hawaii. Two emergency room visits yielded only elevated eosinophil counts. A third visit to Massachusetts General Hospital revealed the cause: brain parasites. Her symptoms were linked to consuming sushi, highlighting the importance of food safety, especially while traveling abroad.

(arstechnica.com)

Tech parasite infection medical case travel health

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.

(www.righto.com)

Hardware BiCMOS circuits

Two Slice: A 2px High, Surprisingly Readable Font

2025-09-14

Two Slice is a font that's only 2 pixels tall, yet surprisingly readable! It includes uppercase and lowercase letters (with slight variations), numbers (of sorts), and some punctuation. You can probably read this, even if you wish you couldn't. It's especially readable at smaller sizes. The font is licensed under CC BY-SA, allowing commercial use with attribution.

(joefatula.com)

Design

The Enduring Appeal of Tiny Laptops: A 17-Year Retrospective

2025-03-17

The Enduring Appeal of Tiny Laptops: A 17-Year Retrospective

Seventeen years ago, Steve Jobs unveiled the first Macbook Air, a revolutionary device compared to the bulky netbooks of the time. The author reminisces about their Lenovo IdeaPad S10e and expresses a continued yearning for small, lightweight laptops. Despite advancements in hardware, the author believes an A4-sized Macbook Air or Macbook Mini, paired with a powerful home server, represents the ideal remote work solution. Portability and remote work are the future.

(gokmengorgen.net)

Tech lightweight laptops

ArkFlow: A High-Performance Rust Stream Processing Engine

2025-03-14

ArkFlow: A High-Performance Rust Stream Processing Engine

ArkFlow is a high-performance stream processing engine built on Rust and Tokio. It supports multiple data sources like Kafka, MQTT, and HTTP, and offers various processors including SQL queries, JSON processing, and Protobuf encoding/decoding. Its modular design allows for easy extension, and configuration is managed via YAML files. Users can define inputs, pipelines, and outputs to handle diverse stream processing tasks, such as Kafka-to-Kafka data processing or generating and processing test data.

(github.com)

Development

Trystero: Real-time Collaboration Reimagined

2025-08-29

Trystero is a fascinating real-time collaborative platform leveraging technologies like BitTorrent, Nostr, MQTT, IPFS, Supabase, and Firebase to synchronize mouse movements and clicks in real-time. Simple code allows joining rooms, listening for peer joins/leaves, and broadcasting/receiving mouse movements and clicks. Trystero's potential extends far beyond this, supporting audio/video streams and binary data, opening up endless possibilities for real-time collaboration.

(oxism.com)

Development

Waymo's Self-Driving Taxis Head to Nashville, Partnering with Lyft

2025-09-17

Waymo's Self-Driving Taxis Head to Nashville, Partnering with Lyft

Waymo, the autonomous driving technology company, is expanding its fully autonomous ride-hailing service to Nashville, Tennessee, in partnership with Lyft. Leveraging Waymo's driverless technology and Lyft's fleet management expertise, the collaboration will offer Nashville residents and visitors a convenient, safe, and reliable ride-hailing experience. Waymo plans to begin fully autonomous operations in Nashville in the coming months, with public access opening next year. This expansion marks another step in Waymo's mission to become the world's most trusted driver.

(waymo.com)

Tech

Tesla's Robotaxi Launch in Austin: Delays and Safety Concerns

2025-05-15

Tesla's Robotaxi Launch in Austin: Delays and Safety Concerns

Tesla's planned June launch of its robotaxi service in Austin is reportedly delayed, with crucial driverless testing yet to begin. This falls far short of Tesla's long-standing promises of full self-driving capabilities. The actual plan relies on a limited, geo-fenced area with human teleoperation assistance. While Tesla claims its 'Supervised Full Self-Driving' system has undergone area-specific training, its mileage between disengagements lags behind competitors like Waymo. More concerning is the absence of driverless testing, raising serious safety questions and highlighting Tesla's apparent lag in autonomous driving technology.

(electrek.co)

Tech

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