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The 2000-Year-Old Secret of the Smurfs' Hats

2025-09-11

The 2000-Year-Old Secret of the Smurfs' Hats

Ever wondered about that iconic white hat on every Smurf's head? It's not just a cute accessory; it's a Phrygian cap with a 2000-year history, originally a symbol of freedom for Roman slaves, later adopted by the French Revolution. This article delves into the hat's origins and evolution, revealing its connection to ancient civilizations and historical events, offering a fun historical and cultural exploration.

(www.pipelinecomics.com)

Misc Smurfs Phrygian cap

Toshiba Visicom COM-100: A Colorful Twist on a 70s Console

2025-01-19

Toshiba Visicom COM-100: A Colorful Twist on a 70s Console

In 1977, Toshiba seized the burgeoning home video game market, releasing the Visicom COM-100 based on RCA's Studio II technology. This console not only included the five built-in games of the Studio II but innovatively added color, using a unique four-color system. The article details the Visicom COM-100's hardware architecture, memory map, and two game cartridges (CAS-130 and CAS-141), featuring games like baseball, sumo wrestling, and a slot machine. Despite its high price, the Visicom COM-100's technical improvements and influence on the Japanese gaming market are noteworthy, particularly its pioneering color display technology for its time.

(nicole.express)

Game retro gaming console hardware development

Kuvasz-streamer: High-Performance PostgreSQL CDC

2025-01-03

Kuvasz-streamer is an open-source change data capture (CDC) project exclusively for PostgreSQL. Tightly integrated with PostgreSQL Logical Replication, it delivers high-performance, low-latency replication. Features include a lightweight design (Go, no dependencies), high throughput (10K TPS, <1s latency), automated publication and slot management, flexible table propagation models (clone, history, append-only), and support for declarative and interactive modes. Use cases span data consolidation, database upgrades, microservice database consolidation, multi-tenant database consolidation, and database performance optimization.

(streamer.kuvasz.io)

Development Data Replication

Carl Sagan's Prophecy: The Decline of Science and America's Future

2025-02-05

Carl Sagan's Prophecy: The Decline of Science and America's Future

This article explores Carl Sagan's prediction of America's future trajectory, contrasting it with the cyclical theory of history proposed by the 18th-century philosopher Giambattista Vico. Sagan feared that the benefits of technological advancement in America would be controlled by a select few, leading to a decline in public scientific literacy, a rise in superstition, and ultimately, societal decline. This aligns with Vico's theory of cyclical rise and fall, but Sagan believed that reversing this trend through science education was possible. The article serves as a warning about the importance of science literacy education and avoiding a repeat of history.

(www.openculture.com)

Tech science education technological future social prediction

Agentless System Monitoring for Opsmaru: An Elegant Solution with Elixir and Broadway

2025-02-20

Agentless System Monitoring for Opsmaru: An Elegant Solution with Elixir and Broadway

Opsmaru developed an agentless system monitoring solution leveraging its in-house Uplink module and the LXD API. Using Elixir and the Broadway library, Opsmaru directly retrieves container CPU, memory, disk, and network metrics from LXD, converts them to Prometheus format, and utilizes the Elastic Stack for storage and analysis. This approach avoids the maintenance overhead of installing agents and supports customizable monitoring intervals and data processing, providing users with deeper system insights.

(opsmaru.com)

Development

Monero's Privacy: A Battleground of Attacks and Defenses

2025-05-28

Monero's Privacy: A Battleground of Attacks and Defenses

Monero (XMR), a privacy-focused cryptocurrency, has been a target for governments, cybersecurity experts, and analytics firms aiming to deanonymize its transactions. This article analyzes various attempts to break Monero's privacy, including efforts by companies like Chainalysis and CipherTrace, and academic research on its ring signature scheme. While some methods, such as exploiting timing analysis or correlating off-chain data, have shown limited success, Monero's ring signatures, stealth addresses, and confidential transactions have proven remarkably resilient. The proactive defense efforts of the Monero community, including the "Breaking Monero" series, have further strengthened its resistance to tracking.

(monero.forex)

Tech

Ruby Thread Contention: It's Not a Free-for-All

2025-02-03

For a long time, I misunderstood "thread contention" in Ruby. It's not a chaotic struggle; instead, Ruby threads politely queue for the Global VM Lock (GVL). Each thread gets the GVL, executes code, and then releases it or is preempted after a certain time (the thread quantum, defaulting to 100ms). This happens when a thread performs I/O or runs longer than its quantum. Understanding this is crucial for optimizing multithreaded applications, especially to avoid CPU-bound threads blocking I/O-bound threads, leading to increased tail latency. Lowering the priority of CPU-bound threads or reducing the thread quantum can help, but the minimum slice is 10ms.

(island94.org)

Development

arXivLabs: Experimenting with Community Collaboration

2025-07-03

arXivLabs is a framework for collaborators to build 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 partners with those who uphold these values. Got an idea to improve the arXiv community? Learn more about arXivLabs.

(arxiv.org)

Development

Mastering Delphi 5: A 25-Year Retrospective

2025-03-24

Marco Cantu has released a free, annotated 2025 edition of his classic 'Mastering Delphi 5'. The 1139-page book features 475 footnotes and dozens of new screenshots comparing the old and new IDE and application UIs. While some code doesn't compile, most programs still run, a testament to Delphi's enduring legacy. This gift to the community celebrates Delphi's 30th anniversary and offers a nostalgic journey through its history.

(blog.marcocantu.com)

Development Retrospective

Booting Erlang on 16MB: A GRiSP Nano Achievement

2025-07-22

Booting Erlang on 16MB: A GRiSP Nano Achievement

The GRiSP Nano team achieved a significant milestone by successfully booting an Erlang virtual machine on a 16MB STM32U5 microcontroller. Initially aiming for 32MB, a CPU erratum forced a reduction. Through a series of optimizations, including removing the crypto library, aggressive compile/link flags, stripping BEAM files, RTEMS system tweaks, and allocator surgery, they overcame memory constraints. Disabling Unicode temporarily allowed them to reach the Erlang shell prompt. Future plans involve relocating code to internal RAM/Flash, shipping lightweight kernel/stdlib variants, adding energy-aware boot logic, and developing a Unicode-light build.

(www.grisp.org)

Development

Anonymous Recursive Functions in Racket: The lam/anon♻️ Macro

2025-09-07

Anonymous Recursive Functions in Racket: The lam/anon♻️ Macro

Racket programmers often find themselves writing anonymous functions and realizing mid-way that recursion is needed. Traditional solutions require rewriting code, introducing `letrec`, increasing indentation, and adding complexity. This article introduces a macro called `lam/anon♻️` that enables anonymous recursive functions in Racket without explicit naming. It mimics PowerShell's syntax by binding `$MyInvocation`, simplifying code and improving efficiency. While Racket already offers `rec` for similar functionality, `lam/anon♻️` provides a more concise approach to anonymous recursion.

(github.com)

Development anonymous recursion

Outdated Info Lurks in LLMs: How Token Probabilities Create Logical Inconsistencies

2025-01-12

Outdated Info Lurks in LLMs: How Token Probabilities Create Logical Inconsistencies

Large Language Models (LLMs) like ChatGPT, trained on massive internet datasets, often grapple with conflicting or outdated information. This article uses the height of Mount Bartle Frere as a case study, showing how LLMs don't always prioritize the most recent data. Instead, they predict based on probability distributions learned from their training data. Even advanced models like GPT-4o can output outdated information depending on subtle prompt variations. This isn't simple 'hallucination,' but a consequence of the model learning multiple possibilities and adjusting probabilities based on context. The author highlights the importance of understanding LLM limitations, avoiding over-reliance, and emphasizing transparency.

(blog.anj.ai)

AI Outdated Information Logical Inconsistencies

My Million-Dollar Mansion and the Homeless on the Street: A Selfish Millionaire's Perspective

2025-06-20

My Million-Dollar Mansion and the Homeless on the Street: A Selfish Millionaire's Perspective

A millionaire living in a luxury home offers a selfish perspective on America's growing homelessness crisis. He claims to care about the homeless but refuses to compromise his lifestyle, including zoning laws or his personal convenience, rejecting solutions that might impinge on his privilege. He argues the homeless lower property values and questions their claims, meanwhile flaunting his success and wealth and implying that addressing homelessness threatens his lifestyle and privileged status.

(www.mcsweeneys.net)

Misc

LinkedIn: A Breeding Ground for Toxic Mediocrity?

2025-08-17

LinkedIn, intended as a convenient resume platform, has devolved into a social media swamp of "toxic mediocrity." Users post vapid, overproduced content in pursuit of personal branding, yet often see minimal returns. The author argues that instead of churning out low-quality posts for LinkedIn's algorithm, individuals should focus on creating in-depth, valuable content, such as through personal blogging. While this might garner fewer views initially, it elevates writing skills and attracts a more engaged audience.

(www.elliotcsmith.com)

Misc

The X-Clacks-Overhead Header: A Digital Tribute to Terry Pratchett

2025-07-05

The X-Clacks-Overhead Header: A Digital Tribute to Terry Pratchett

The X-Clacks-Overhead HTTP header, inspired by Terry Pratchett's Discworld novels, is a subtle tribute to the late author. Inspired by the fictional 'Clacks' network, websites silently transmit 'GNU Terry Pratchett' in their headers, similar to how a character in Pratchett's *Going Postal* used the Clacks to perpetuate his son's memory. Major sites like Mozilla, Debian, and Xml.com participate, keeping Pratchett's legacy alive on the internet.

(xclacksoverhead.org)

Tech HTTP header tribute

Musk's Political Gamble: Tesla's Sales Plummet

2025-02-07

Musk's Political Gamble: Tesla's Sales Plummet

Elon Musk's political maneuvers have alienated potential EV buyers, particularly Democrats, resulting in Tesla having the worst favorability rating among prospective EV purchasers. A new study reveals that Musk's past year of political posturing has damaged Tesla's brand image, especially among its core customer base: affluent, educated, left-leaning EV drivers. While Musk's popularity has risen among right-wing voters, this group shows less concern for climate change and EVs. Declining sales, underwhelming Cybertruck performance, and tepid response to the Model Y refresh are directly linked to this brand image damage. Musk's political strategy, while potentially offering short-term gains, severely impacts Tesla's sales and long-term prospects.

(insideevs.com)

Tech

Our Flat Interfaces Have Lost Their Senses

2025-03-16

From punch cards to touchscreens, human-computer interaction has evolved dramatically. However, today's flat interfaces, overly reliant on text input and visual elements, neglect tactile, auditory, and other sensory inputs, resulting in less rich and engaging user experiences. This article advocates for redesigning interfaces to integrate multiple interaction modalities—text, visuals, sound, haptics—to create more immersive and efficient human-computer interaction. The author suggests combining voice input and gestures for multi-sensory collaboration.

(wattenberger.com)

Design

Potato's Evolutionary Mystery Solved: A 9-Million-Year-Old Hybrid

2025-08-10

Potato's Evolutionary Mystery Solved: A 9-Million-Year-Old Hybrid

A new study has solved the mystery of the potato's origin. Researchers discovered that potatoes are the result of a hybridization event approximately nine million years ago between ancestors of modern tomato plants and another group of relatives called Etuberosum. This hybrid possessed the ability to form underground tubers, leading to rapid diversification and the over 100 potato species we know today. Crucially, the study found that tuber formation required specific genetic information from both parent species. Published in Cell, this research sheds light on plant evolution and how we might leverage the genetic diversity of wild potatoes to address climate change challenges.

(www.nhm.ac.uk)

Tech potato origin genetic hybrid

Wasm GC Isn't Ready for Realtime Graphics

2025-01-18

David Thompson's blog post highlights significant performance issues with Wasm GC in realtime graphics. The core problem stems from the opacity of Wasm GC heap objects to the host JavaScript environment. This necessitates byte-by-byte data copying for WebGL rendering, severely impacting performance. In contrast, Wasm linear memory offers direct JavaScript access and superior efficiency. Thompson explores workarounds, finding none satisfactory. He urges the Wasm community to address these limitations to avoid hindering technologies like WebGPU.

(dthompson.us)

Development Real-time Graphics

Amazon's Ocelot Quantum Chip: A Giant Leap Towards Practical Quantum Computing

2025-03-03

Amazon's Ocelot Quantum Chip: A Giant Leap Towards Practical Quantum Computing

The race towards practical quantum computing is heating up! Amazon Web Services (AWS) unveiled Ocelot, a groundbreaking quantum chip that tackles the persistent challenge of error correction. Unlike previous approaches that added error correction as an afterthought, Ocelot integrates it from the ground up, leveraging 'cat qubits' to effectively suppress errors and dramatically reduce costs (up to 90%). This significant advancement promises to accelerate the timeline for a practical quantum computer by up to five years. Coupled with similar advancements from Google (Willow) and Microsoft (Majorana), the future of quantum computing looks brighter than ever, poised to revolutionize various tech sectors.

(www.nextplatform.com)

Tech quantum chip

Run AI Agents Directly in Your Browser with Wasm-agents

2025-07-04

Run AI Agents Directly in Your Browser with Wasm-agents

Wasm-agents aims to revolutionize open-source agent accessibility by packaging them as HTML files runnable directly in your browser, eliminating the need for external tools or frameworks. Leveraging WebAssembly and Pyodide, this project enables near-native speed execution of Python-based AI agents within a browser sandbox. Currently supporting OpenAI APIs and self-hosted models (like those served via Ollama), Wasm-agents provides example HTML files demonstrating simple conversational agents, multi-agent systems, and advanced agents with built-in tools. While limitations exist, such as reliance on the openai-agents framework and CORS considerations, this project offers a novel approach to AI agent development and sharing, ripe for exploration.

(blog.mozilla.ai)

Development

White House Unveils Cyber Trust Mark for IoT Devices

2025-01-08

White House Unveils Cyber Trust Mark for IoT Devices

The White House launched a new labeling program, the "Cyber Trust Mark," to help consumers identify more secure internet of things (IoT) devices. Similar to the Energy Star label, the Cyber Trust Mark signifies that a device meets certain government-vetted cybersecurity standards set by NIST. UL Solutions is the primary administrator, with major retailers like Amazon and Best Buy assisting in consumer education. The government plans to mandate procurement of devices with this mark by 2027, driving the IoT market towards improved security.

(www.nextgov.com)

Tech White House

Grafana Cloud: Build a Custom Weather Dashboard with Ease

2024-12-31

Grafana Cloud: Build a Custom Weather Dashboard with Ease

This article demonstrates how to quickly create a personalized weather forecast dashboard using Grafana Cloud and the free public API from the U.S. National Weather Service. With a few simple steps, raw JSON weather data is transformed into easily understandable charts, allowing users to check their local weather information at any time. Grafana Cloud supports a variety of data sources and offers rich visualization options, making data analysis simple and efficient.

(grafana.com)

Development Weather Forecast

Blazing Fast Cuckoo Filter Lookups in C# with Bit Twiddling

2025-07-28

Blazing Fast Cuckoo Filter Lookups in C# with Bit Twiddling

While implementing a Cuckoo Filter in C#, the author significantly optimized lookup speed by cleverly replacing a 4-byte bucket with a 32-bit integer and employing bit manipulation tricks. Initially, a byte array required looping through four bytes per bucket. Switching to a uint array and using bit shifting improved performance by roughly 35%. However, the author's final optimization, a branchless bit manipulation technique to directly check for a target byte, resulted in over 60% faster positive lookups and more than double the speed for negative lookups. While readability decreased slightly, the performance gains are substantial, making this a worthwhile optimization strategy.

(maltsev.space)

Development

Systemd to Boot Directly from HTTP-Downloaded Disk Images

2025-02-11

Systemd lead developer Lennart Poettering is adding the ability to boot directly from a disk image downloaded via HTTP within the initial RAM disk (initrd) during the Linux boot process. Building on recent systemd additions, this allows downloading the root disk image via HTTP, attaching it to a loopback device, and mounting it. The goal is to allow pointing UEFI to a URL to load the Unified Kernel Image (UKI) and boot the root filesystem. The immediate use case is simplifying physical device testing by easily booting new root filesystems over HTTP on each boot. The work-in-progress pull request includes the initial code for this; future extensions may include NVMe-over-TCP support.

(www.phoronix.com)

Development boot

arXivLabs: Community-Driven Experiments on arXiv

2025-06-10

arXivLabs is a platform enabling collaborators to build and share new features directly on the arXiv website. Participants, both individuals and organizations, uphold arXiv's values of openness, community, excellence, and user data privacy. arXiv is committed to these principles and only partners with those who share them. Got an idea to enhance the arXiv community? Explore arXivLabs.

(arxiv.org)

Development

Ancient Babylonian Estate Settlement: A Game Theory Masterpiece

2025-03-06

1800 years ago, Babylonians devised a method for settling estates where debts exceeded assets, a solution surprisingly aligned with modern game theory's optimal outcome. An accompanying video explains their ingenious system, resembling 'hydraulic rationing', to fairly distribute assets between creditors and heirs. This highlights the remarkable ingenuity of ancient civilizations and sparks reflection on the interplay of ancient wisdom and modern technology.

(politicalcalculations.blogspot.com)

Misc Game Theory Babylonian Estate Settlement

Linux io_uring: A Blind Spot for Antivirus?

2025-05-04

Linux io_uring: A Blind Spot for Antivirus?

Security firm ARMO has revealed a vulnerability in Linux's io_uring interface, allowing malware to bypass detection by some antivirus and endpoint protection tools. io_uring enables applications to perform I/O operations without traditional system calls, evading syscall-based monitoring. ARMO's proof-of-concept, Curing, successfully evaded detection by Falco, Tetragon, and Microsoft Defender in default configurations. This vulnerability potentially affects tens of thousands of Linux servers. While vendors acknowledge the issue and work on fixes, Google has already disabled or restricted io_uring in ChromeOS and Android after significant bug bounty payouts related to io_uring flaws.

(www.theregister.com)

Tech antivirus

Russian Basketball Star Arrested for Alleged Involvement in Ransomware Attacks

2025-07-12

Russian Basketball Star Arrested for Alleged Involvement in Ransomware Attacks

Russian basketball player Daniil Kasatkin was arrested in France on a US request, accused of participating in a ransomware network that targeted over 900 companies, including two federal institutions. Kasatkin denies the accusations, claiming he's not tech-savvy, and his lawyer suggests his computer might have been hacked or pre-infected. Currently in custody, his basketball career is jeopardized.

(www.lemonde.fr)

Tech russian basketball player

WattWise: CLI Power Monitoring and Management for High-Performance Workstations

2025-04-01

WattWise: CLI Power Monitoring and Management for High-Performance Workstations

Facing high electricity bills from a power-hungry workstation built for LLM workloads, the author developed WattWise, a lightweight CLI tool for real-time power monitoring and management. WattWise displays real-time power draw, historical charts, and dynamically adjusts CPU/GPU frequencies during peak electricity pricing periods. It integrates with TP-Link Kasa smart plugs (directly or via Home Assistant), offering flexibility and practicality. While currently limited to single plug support and Kasa compatibility, its modular design allows for future expansion.

(www.naveen.ing)

Hardware Power Management CLI Tool

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