Indian Grocery App KiranaPro Hit by Deliberate Cyberattack, GitHub and AWS Resources Wiped

2025-06-04
Indian Grocery App KiranaPro Hit by Deliberate Cyberattack, GitHub and AWS Resources Wiped

Indian grocery ordering app KiranaPro suffered a deliberate cyberattack that wiped its GitHub repository and AWS resources. CEO Deepak Ravindran claims it was a targeted attack, possibly by a disgruntled insider. The attack crippled the app, impacting thousands of Kirana store owners whose livelihoods depend on it. Ravindran is rebuilding systems with enhanced security and promises to reveal the hacker's identity. The incident highlights the dangers of insider threats and the importance of robust security practices, such as regular backups and multi-factor authentication.

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Blue Origin's New Glenn Rocket Passes Crucial Engine Test, Poised for Launch

2025-01-01
Blue Origin's New Glenn Rocket Passes Crucial Engine Test, Poised for Launch

After a successful 24-second engine test firing, Blue Origin's massive New Glenn rocket is ready for its maiden orbital launch. This milestone marks a significant achievement for the company after years of development, demonstrating a major breakthrough in heavy-lift rocketry. With a launch license secured, a January launch is likely. This launch will have significant implications for the US space industry, especially given the incoming Trump administration's expected review of NASA's Artemis program.

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arXivLabs: Experimenting with Community Collaboration

2025-03-09
arXivLabs: Experimenting with Community Collaboration

arXivLabs is a framework for 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 only works with partners adhering to these principles. Got an idea to improve the arXiv community? Learn more about arXivLabs.

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Development

MacPaint Source Code: A Deep Dive into a 128KB Painting Revolution

2025-04-05

This article delves into the source code of MacPaint, a groundbreaking painting program released in 1984 alongside the original Macintosh. It revolutionized personal computing by introducing intuitive mouse-driven controls and innovative features. The analysis covers MacPaint's algorithms, code architecture, and performance optimizations, highlighting clever techniques leveraging the 68k platform, such as efficient buffer management and a seed-fill algorithm. The article also explores MacPaint's impact on digital graphics and the competitive landscape it faced.

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Development Graphics Programming

Tirreno: Open-Source Security User Analytics for Enhanced Platform Protection

2025-01-01
Tirreno: Open-Source Security User Analytics for Enhanced Platform Protection

Tirreno is open-source user analytics software designed to monitor various online platforms, including websites, applications, SaaS, communities, and IoT devices. It detects and defends against account takeovers, malicious bots, and common vulnerabilities stemming from user behavior. Built with PHP and PostgreSQL, Tirreno is easy to install and use, providing real-time analytics. A paid subscription enhances its anti-fraud capabilities by offering additional verification of IP addresses, emails, and phone numbers. Developed by Tirreno Technologies Sàrl, Tirreno prioritizes privacy and data security; its code is open-source, but the trademark is not.

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Development user analytics

Tetris in a Home Studio: Mastering Space Optimization

2025-08-13
Tetris in a Home Studio: Mastering Space Optimization

This article details the author's ingenious approach to transforming a limited space into a multi-functional home studio for music production, gaming, and work. Equipment was segmented into four distinct zones, prioritizing ergonomics and minimizing interference. Large musical instruments dominate the back wall, while monitors leverage hidden space and adjustable arms for flexibility. A custom-built flight simulator dashboard and clever cable management (nearly 700 feet!) complete the setup, resulting in an efficient and aesthetically pleasing workspace.

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T-Mobile's Nationwide Satellite Texting Service Launches

2025-07-24
T-Mobile's Nationwide Satellite Texting Service Launches

T-Mobile has officially launched its Starlink-powered satellite messaging service, "T-Satellite," nationwide. No longer in beta, the service offers text messaging and location sharing for $10/month (limited time, then $15/month), or included with select plans. It automatically connects in areas without cellular coverage, supporting texts to 911 and location sharing. Future plans include voice messaging, satellite-optimized apps, picture messaging, and international roaming. Unlike Apple and Google's offerings, T-Mobile supports a wider range of devices and plans to add more features.

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Tech

MuJoCo Playground: Streamlining Robot Learning with an Open-Source Framework

2025-01-16
MuJoCo Playground: Streamlining Robot Learning with an Open-Source Framework

MuJoCo Playground is a fully open-source framework for robot learning built with MJX, designed to streamline simulation, training, and sim-to-real transfer. With a simple installation (pip install playground), researchers can train policies in minutes on a single GPU. It supports diverse robotic platforms, including quadrupeds, humanoids, dexterous hands, and robotic arms, and enables zero-shot sim-to-real transfer from both state and pixel inputs. This is achieved through an integrated stack comprising a physics engine, batch renderer, and training environments. Developed through a community effort, MuJoCo Playground aims to be a valuable tool for researchers and developers.

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Development robot learning

French Fusion Reactor Sets New Record with 22-Minute Plasma Sustainment

2025-02-19
French Fusion Reactor Sets New Record with 22-Minute Plasma Sustainment

France's CEA WEST Tokamak reactor has achieved a groundbreaking milestone in fusion energy research, sustaining a plasma reaction for over 22 minutes – a new world record. This achievement represents a significant step towards commercial fusion power, a long-sought goal with the potential to provide humanity with virtually limitless clean energy. While initiating fusion is relatively straightforward, creating a self-sustaining reactor that produces more energy than it consumes is incredibly challenging. The success of the WEST reactor provides invaluable data and experience for the International Thermonuclear Experimental Reactor (ITER) currently under construction in southern France, paving the way for future clean energy applications.

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KeyTik: The All-in-One Automation Powerhouse

2025-01-10
KeyTik: The All-in-One Automation Powerhouse

KeyTik is a GUI-based keyboard remapper featuring profiles, an auto-clicker, screen clicker, multi-file opener, AutoHotkey script manager, and more. It lets you create custom automation tools and remap keys for specific devices or programs. KeyTik is free, safe, and certified spyware/adware/virus-free by Softpedia. Users can leverage pre-made AutoHotkey scripts, use AI to generate scripts, or code their own for seamless automation.

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Development keyboard remapping

The End of Passwords? Passkeys and the Passwordless Future

2025-03-09
The End of Passwords? Passkeys and the Passwordless Future

Passwords are a relic of the past, plagued by vulnerabilities and human error. This article traces the history of passwords, from ancient Rome to the modern era, highlighting the limitations of password managers and two-factor authentication. The author champions Passkeys, a FIDO-based password replacement that uses biometrics or PINs for secure login, eliminating the need to remember complex passwords and offering strong resistance to phishing attacks and data breaches. Widespread adoption hinges on website and app support, but Passkeys promise a more secure and private online experience.

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Tech

The Bloody Polenta: A Century of Serratia marcescens

2025-03-23
The Bloody Polenta: A Century of Serratia marcescens

From the 'bloody polenta' incident of 1819 to 20th-century biowarfare experiments, Serratia marcescens, a bacterium renowned for its striking red pigment, has left an indelible mark on science, medicine, and culture. Mistakenly implicated in 'miraculous blood' events, it's been used to study germ dispersal and even deployed as a biological weapon. Despite some strains' pathogenicity, it plays a vital role in immunotherapeutic and antimicrobial research, with its red pigment, prodigiosin, boasting diverse biomedical applications. This article recounts the century-long saga of this 'miracle bacterium', unveiling its fascinating and often overlooked scientific story.

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Tech

Google Earth's Approach to Naming Bodies of Water: A Balancing Act

2025-01-29
Google Earth's Approach to Naming Bodies of Water: A Balancing Act

Google Earth faces the challenge of handling diverse user perspectives on place names and borders globally. Their solution prioritizes displaying the primary, commonly used local names for bodies of water used by bordering nations. In cases of disputes, all major names are shown with explanations, striving for neutrality and comprehensiveness. This approach avoids relying solely on international organizations or academic consensus, focusing instead on a user-friendly experience while acknowledging sensitive geopolitical issues.

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Jack Welch: The Man Who Broke Capitalism?

2025-07-02
Jack Welch: The Man Who Broke Capitalism?

David Gelles' new book, *The Man Who Broke Capitalism*, examines Jack Welch's profound impact on American business during his tenure at General Electric. Welch's relentless pursuit of shareholder value maximization, employing layoffs, outsourcing, offshoring, acquisitions, and buybacks, became a new playbook for American corporations. Gelles argues this shareholder-centric capitalism has led to unprecedented socioeconomic inequality and harmed many companies that adopted it. The book connects Welch's management style to the Boeing 737 Max crisis and rising income inequality. It concludes with a call to rebalance corporate profit distribution, prioritize worker well-being, and create a more equitable economic system.

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Revolutionary Meta-Grating Achieves Unprecedented Light Control

2025-04-03
Revolutionary Meta-Grating Achieves Unprecedented Light Control

Researchers at Karlsruhe Institute of Technology (KIT) have developed a novel meta-grating that boasts four times the light control efficiency of conventional gratings. This flat, metamaterial-based component, constructed from tiny meta-atoms, enables subwavelength precision control over light's phase, amplitude, and polarization, offering precise manipulation even at steep angles of incidence. This technology promises to miniaturize optical systems, simplify manufacturing, and find broad applications in cameras, sensors, augmented reality displays, medical imaging, robotics, and autonomous driving.

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Microsoft's AI Gamble: Can Mustafa Suleyman Turn Things Around?

2025-04-25
Microsoft's AI Gamble: Can Mustafa Suleyman Turn Things Around?

Microsoft spent $650 million acquiring the core team of Inflection AI, hoping to leverage the expertise of its founder, Mustafa Suleyman, to boost its AI capabilities and particularly reverse the lackluster user growth of Copilot. However, Suleyman's arrival has not been smooth sailing. Internal team integration difficulties, strained relationships with OpenAI, and the vast disparity in user numbers between Copilot and ChatGPT all pose challenges for Microsoft. The article explores Microsoft's strategic dilemmas in the AI field and whether Suleyman can ultimately deliver a successful consumer AI product.

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Tech

arXivLabs: Experimental Projects with Community Collaborators

2025-09-04
arXivLabs: Experimental Projects with Community Collaborators

arXivLabs is a framework enabling collaborators to develop and share new arXiv features directly on the arXiv 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 partners with those who share them. Have an idea for a project that will benefit the arXiv community? Learn more about arXivLabs.

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Development

Interactive Neural Forest World in Your Browser

2025-04-25

The author trained a neural network to transform a video of a forest trail, captured with a phone, into an interactive virtual world explorable in a web browser. Unlike traditional video games, this world relies not on pre-defined geometry, lighting, and animations, but solely on a neural network generating new images based on previous images and control inputs. Overcoming early model limitations, the author improved the training method and network architecture to achieve a relatively smooth interactive experience. This showcases a novel approach to generating virtual worlds using neural networks, promising a future of more realistic and convenient world building.

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Shenzhen-Hong Kong-Guangzhou Overtakes Tokyo-Yokohama as Top Innovation Cluster

2025-09-02
Shenzhen-Hong Kong-Guangzhou Overtakes Tokyo-Yokohama as Top Innovation Cluster

The UN's World Intellectual Property Organization (WIPO) announced that Shenzhen-Hong Kong-Guangzhou has surpassed Tokyo-Yokohama to become the world's leading innovation cluster in its 2025 Global Innovation Index. This shift is due to WIPO's updated ranking criteria, which now incorporates venture capital investments, highlighting the translation of scientific knowledge into marketable products. The revised methodology led to a rise in US clusters and a boost for Indian clusters, while East Asian clusters saw a relative decline. China boasts the most clusters in the top 100, with 24.

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Obsess Jobs: Find Your Dream Job While You Sleep

2024-12-31

Obsess Jobs is a job board that lets you search and apply for jobs even while you sleep. The site offers a variety of positions including Software Engineers, Product Managers, and Data Scientists, with salaries ranging from $0 to $300k+. Jobs are available in remote, onsite, and hybrid formats. Users can filter by experience level, position, and date posted for easy job searching.

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Misc job board

The Evolution of Tunnel Boring Machines: From Manual Labor to Automated Factories

2025-01-05
The Evolution of Tunnel Boring Machines: From Manual Labor to Automated Factories

This article chronicles the century-long evolution of Tunnel Boring Machines (TBMs). Starting with Brunel's manual shield in 1825, through Greathead's improvements, Price's mechanized excavation, and culminating in modern slurry and earth pressure balance TBMs, the article details breakthroughs in both soft ground and hard rock tunneling. The article also explores compressed air and slurry support technologies, the advantages and disadvantages of different TBM types, and analyzes Elon Musk's Boring Company and its ambitious—yet currently slow—progress. The Boring Company's vertically integrated structure may ultimately revolutionize the industry.

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YouTube at 20: From Humble Beginnings to Media King

2025-04-26
YouTube at 20: From Humble Beginnings to Media King

Twenty years ago, a simple 19-second video, "Me at the zoo," launched YouTube's incredible journey. From its humble origins as a platform for amateur video sharing, YouTube has evolved into a media behemoth generating an estimated $54.2 billion in revenue last year, second only to Walt Disney Co. It has propelled stars like Justin Bieber to fame and birthed entertainment empires such as MrBeast. Navigating copyright infringement lawsuits and safety concerns, YouTube incentivized creators through its partner program and continuously refined its content moderation and child safety measures. Despite competition from rivals like TikTok and Instagram, YouTube's massive user base, strong brand, and diverse monetization strategies – including live TV and NFL streaming – solidify its position as a major force in television.

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Tech Video

PlanetScale for Postgres Goes GA

2025-09-22
PlanetScale for Postgres Goes GA

PlanetScale's managed Postgres service is now generally available, exiting private preview. Users can easily create Postgres databases and leverage migration guides for switching from other providers. Built on five years of experience with their Vitess product, PlanetScale has helped companies like Cursor, Intercom, and Block scale their databases. This new offering combines PlanetScale's maturity with the performance of bare metal, and includes a Postgres sharding solution called Neki, planned for future open-source release.

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Tech

Decoding Daft Punk's Robot Sounds: A Deep Dive into Hardware and Algorithms

2025-05-05
Decoding Daft Punk's Robot Sounds: A Deep Dive into Hardware and Algorithms

This article delves into the secrets behind the iconic robotic sounds of electronic music duo Daft Punk. Through a meticulous analysis of the various pieces of equipment Daft Punk used (including the Roland SVC-350, Auto-Tune, DigiTech Vocalist, Ensoniq DP/4+, Sennheiser VSM201, DigiTech Talker, and more), and interpretation of recording notes, the author reveals how they cleverly employed techniques like talk boxes, vocoders, and harmonizers to create their unique sounds across different albums. The article also explores the history of the DigiTech Vocalist series and its connection to IVL Technologies, and the characteristics of the "EX" models. This is a must-read for anyone interested in the technical aspects of electronic music production.

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Librarians: More Dangerous Than You Think

2025-04-19
Librarians: More Dangerous Than You Think

This article playfully celebrates the powerful influence of librarians. Starting with the provocative statement, "Librarians are dangerous," the author explains that this danger isn't in a physical sense, but rather in their positive impact on society. Librarians are portrayed as agents of change, promoting literacy, information literacy education, and community engagement. They are not simply guardians of books but disseminators of knowledge and igniters of minds, playing a crucial role in combating misinformation, fostering equality, and building a better world. The author encourages readers to reassess the value of librarians and pay tribute to their work.

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Apple iPhones Join SpaceX Starlink Satellite Messaging Test

2025-02-02
Apple iPhones Join SpaceX Starlink Satellite Messaging Test

T-Mobile has announced that iPhones running the latest iOS 18.3 software are now eligible to participate in SpaceX's Starlink direct-to-cell phone testing program. Currently in a trial phase, the program initially supports satellite text messaging, with voice and data capabilities planned for the future. Previously, the test was limited to select Android devices. This collaboration signifies a step towards broader device compatibility for Starlink, offering new communication possibilities in remote areas or disaster zones.

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German UBI Experiment: Full-Time Work Continues, Happiness Increases

2025-04-12
German UBI Experiment: Full-Time Work Continues, Happiness Increases

A three-year German experiment provided 122 participants with a monthly unconditional basic income of €1,200. Surprisingly, participants didn't reduce their working hours; instead, job satisfaction increased, and they were more likely to change jobs or pursue further education. The study showed that unconditional basic income didn't decrease economic activity but improved participants' mental and physical health, particularly for women, who experienced a greater sense of autonomy. This experiment challenges the conventional wisdom that basic income discourages work and offers valuable insights for future policy decisions.

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Misc

Silicon Valley Elites Bet Big on Embryo Genetic Testing: Predicting Disease Risk Sparks Controversy

2025-06-02
Silicon Valley Elites Bet Big on Embryo Genetic Testing: Predicting Disease Risk Sparks Controversy

Over the last five years, tech giants like Anne Wojcicki, Sam Altman, and others have invested millions in direct-to-consumer polygenic testing startups such as Orchid, Nucleus, and Genomic Prediction, sparking controversy. For a few thousand dollars, these companies screen embryos, analyze DNA, and estimate the risk of developing conditions like addiction and obesity, even predicting IQ. Unlike tests for single-gene diseases, these services focus on polygenic diseases like type 2 diabetes and inflammatory bowel disease, providing parents with online reports assessing each embryo's genetic risk. This practice, while popular among Silicon Valley elites, faces widespread scientific skepticism.

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F-Stack: A High-Performance Open-Source Network Framework Based on DPDK

2025-08-30

The rapid advancement of Network Interface Cards (NICs) has exposed the performance bottleneck of Linux kernel data packet processing. To meet the internet's demand for high-performance network processing, kernel bypass technologies like DPDK, NETMAP, and PF_RING have gained prominence. F-Stack is a high-performance open-source network framework built on DPDK. It utilizes the Linux kernel only for control flow, processing all data streams in user space. This avoids performance bottlenecks caused by kernel packet copying, thread scheduling, system calls, and interrupts. F-Stack includes a user-space TCP/IP stack (based on FreeBSD 11.0 stable), POSIX APIs (Socket, Epoll, Kqueue), a programming SDK (Coroutine), and interfaces for applications like Nginx and Redis, aiming for superior network processing performance.

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Development Kernel Bypass
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