DeepSeek-VL2: Advanced Multimodal Understanding with Mixture-of-Experts

2025-01-01
DeepSeek-VL2: Advanced Multimodal Understanding with Mixture-of-Experts

DeepSeek-VL2 is an advanced series of large Mixture-of-Experts (MoE) Vision-Language Models significantly improving upon its predecessor. It excels in various tasks including visual question answering, optical character recognition, and document/table/chart understanding. The series comprises three variants: DeepSeek-VL2-Tiny, DeepSeek-VL2-Small, and DeepSeek-VL2, with 1.0B, 2.8B, and 4.5B activated parameters, respectively. DeepSeek-VL2 achieves competitive or state-of-the-art performance with similar or fewer activated parameters compared to existing open-source models. The project is open-sourced, offering model downloads, quick start guides, and demo examples.

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Implausibly High Publication Rates Among Top Scientists Raise Red Flags

2025-02-18
Implausibly High Publication Rates Among Top Scientists Raise Red Flags

Researchers at King Fahd University of Petroleum and Minerals have found that approximately 10% of the world's most influential scientists exhibit implausibly high publication and co-authorship rates. Many produce hundreds of papers annually and gain thousands of new collaborators yearly. Analyzing Stanford's 'Top 2%' researcher list, they discovered around 20,000 scientists with anomalously high metrics, suggesting efforts to inflate publication records. This includes roughly 1000 early-career researchers, highlighting systemic incentives to inflate metrics. The researchers suggest that excessive publication rates likely stem from 'paper pumping' and unethical co-authorship practices. They propose renormalizing research metrics to discourage quantity over quality and unethical practices.

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Reservoirs Lab: Lightweight Postgres VectorDB GUI

2024-12-19
Reservoirs Lab: Lightweight Postgres VectorDB GUI

Reservoirs Lab is a lightweight Electron app that connects directly to a Postgres database to visualize high-dimensional vector embeddings stored alongside structured data. Users can interactively explore their data and see correlations between metadata and the semantic similarity of vector embeddings. Features include Postgres integration, vector visualization, neighborhood exploration, and a local, privacy-preserving workflow.

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DeepSeek vs. ChatGPT: The Open-Source Challenger

2025-01-29

DeepSeek, a free and open-source AI model developed in China, is challenging ChatGPT's dominance. Built on a Mixture of Experts (MoE) architecture, DeepSeek excels in coding, scientific research, and education, boasting superior efficiency and accuracy in these areas. ChatGPT, conversely, shines in creative writing, conversational AI, and multilingual support. The article compares both, suggesting users choose based on their needs—or even utilize both for complementary strengths. DeepSeek's emergence has sparked concerns about AI competition, with even President Trump acknowledging the potential threat.

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AI

3D-Printed White Tower: A Revolutionary Leap in Construction Technology

2025-05-26
3D-Printed White Tower: A Revolutionary Leap in Construction Technology

Researchers at ETH Zurich, in collaboration with industry partners, have constructed a stunning white concrete tower using 3D printing technology. The tower's design, based on complex algorithms, was built by an industrial robot layer by layer without traditional formwork. A novel concrete mix and innovative reinforcement techniques enabled 3D-printed concrete to be load-bearing for the first time. This project not only showcases advancements in construction technology but also symbolizes a successful collaboration between academia and industry, offering new opportunities for the construction sector and rural tourism.

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MIT's 6.001: From Scheme to Python – A Paradigm Shift

2025-07-26
MIT's 6.001: From Scheme to Python – A Paradigm Shift

MIT's introductory programming course, 6.001, shifted from Scheme to Python, reflecting a change in programming paradigms. In the 1980s, programming focused on clean, efficient code, akin to understanding electronic components thoroughly. Today, programmers grapple with massive, complex libraries, requiring extensive testing and debugging to understand their behavior. The revamped 6.001 is robot-centric, emphasizing system robustness, with Python's choice possibly due to readily available robotics interface libraries.

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Development

Differentiable Programming: A Deep Dive from First Principles

2025-04-17

This article provides a comprehensive explanation of differentiable programming, starting from the definition of derivatives in calculus and progressing to concepts like gradients, directional derivatives, and Jacobians. It details three differentiation methods: numerical differentiation, symbolic differentiation, and automatic differentiation (forward and reverse modes), comparing their strengths and weaknesses. Finally, it demonstrates how reverse-mode automatic differentiation, combined with gradient descent, can solve real-world optimization problems using an image de-blurring example.

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No AI December: A Month Without AI Tools

2025-02-09

The author embarked on a challenge called 'No AI December,' abstaining from using AI tools like ChatGPT for a month. Initially a joke, it became a profound reflection on technology's impact. He discovered that over-reliance on AI led to diminished thinking skills, poorer problem-solving abilities, and poor information retention. The author argues for proactive deep thinking instead of passively relying on AI for quick answers and encourages others to try 'No AI December' to reassess their relationship with technology.

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AlexNet Source Code Released: The Dawn of the Deep Learning Revolution

2025-03-25
AlexNet Source Code Released: The Dawn of the Deep Learning Revolution

In 2012, Alex Krizhevsky, Ilya Sutskever, and Geoffrey Hinton's AlexNet demonstrated, for the first time, the massive potential of deep neural networks for image recognition, ushering in the era of deep learning. Recently, the source code for AlexNet was open-sourced, a collaboration between the Computer History Museum and Google. AlexNet's success stemmed from its scale—a large convolutional neural network trained using immense computing power and the ImageNet dataset, overcoming previous limitations of deep learning. This breakthrough fueled decades of innovation in AI, leading to companies like OpenAI and applications like ChatGPT, transforming the world.

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AI

OpenVMS Codebase: A 35-Year Journey of Explosive Growth

2025-04-03

A researcher meticulously analyzed the size of the OpenVMS (VMS) codebase over 35 years. By counting lines of code across 15 key components in various releases (V6.2, V7.2, V8.2, V9.2-3), the study revealed a nearly threefold increase in code size, from hundreds of thousands of lines to almost two million. The shift in programming languages from BLISS and MACRO-32 to C was also highlighted. This research offers valuable insights into the architecture and evolution of large-scale operating systems.

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Simulating a Cambrian Explosion: Evolve Your Own Virtual Creatures

2025-02-14

MIT researchers have developed a Cambrian Vision Simulator allowing users to define and evolve their own embodied agents. You can set tasks, evolve agents' eyes or brains, and explore generative design of visual intelligence. This project will also be exhibited at the MIT Museum, showcasing evolving eyes in virtual reality. The research aims to use biological principles (natural evolution) to study the evolution of vision and design more intelligent artificial vision, triggering a Cambrian Explosion of artificial vision.

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Bosch Unveils World's Smallest PM2.5 Sensor: BMV080 for Improved Indoor Air Quality

2025-07-27
Bosch Unveils World's Smallest PM2.5 Sensor: BMV080 for Improved Indoor Air Quality

Bosch Sensortec launched the world's smallest PM2.5 air quality sensor, the BMV080, at CES. This innovative, fanless sensor provides accurate, real-time data on indoor PM2.5 levels, crucial for addressing the often-overlooked issue of indoor air pollution, which is frequently three to five times more polluted than outdoors. The BMV080 allows users to identify and react to poor air quality, particularly from sources like cooking, which can dramatically increase PM2.5 levels in poorly ventilated spaces.

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Titans: A Novel Neural Architecture for Learning to Memorize at Test Time

2025-01-16
Titans: A Novel Neural Architecture for Learning to Memorize at Test Time

Researchers introduce Titans, a novel neural architecture that combines a neural memory module with an attention mechanism to effectively memorize long-term historical context. Unlike traditional recurrent models and attention mechanisms, Titans demonstrates superior efficiency and accuracy in handling long sequences, particularly excelling in "needle-in-a-haystack" tasks. It outperforms Transformers and recent linear recurrent models across various tasks including language modeling, common-sense reasoning, genomics, and time series, and scales to context windows exceeding 2 million tokens.

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Pew Research: Musk and Zuckerberg Face Mostly Negative Views in the US

2025-02-22
Pew Research: Musk and Zuckerberg Face Mostly Negative Views in the US

A Pew Research Center study reveals that Americans hold largely unfavorable views of Elon Musk and Mark Zuckerberg. While Zuckerberg's newfound interest in high fashion has generated buzz in Silicon Valley, the Meta CEO's popularity lags behind that of President Trump's close advisor, Elon Musk. About 54% of U.S. adults view Musk unfavorably, while a significant 67% hold a negative opinion of Zuckerberg. Increased scrutiny has been placed on both tech executives since the start of President Trump's second term; both attended his inauguration and donated to his inaugural fund. Zuckerberg has altered longstanding Meta content moderation policies to curtail fact-checking and action against hate speech, while Musk has played a key role within Trump's administration. During Trump's first month in office, Musk actively involved himself in U.S. government operations, leveraging his political connections to weaken government departments like USAID. Musk's DOGE also exaggerated the impact of budget cuts by billions of dollars. Given Musk's association with Trump, 85% of Democrats or Democrat-leaning respondents held unfavorable views of the Tesla CEO. Conversely, 73% of Republicans or Republican-leaning respondents viewed Musk favorably. Zuckerberg, however, faces more widespread disapproval, though more intense criticism from left-leaning individuals. While 60% of Republicans and Republican-leaning respondents view Zuckerberg unfavorably, a significant 76% of their Democratic counterparts share the same sentiment. Despite Zuckerberg's attempts to cultivate a cool image, his efforts seem to have failed to sway public opinion. The Pew study surveyed 5,086 randomly selected U.S. adults between January 27 and February 2, 2025, providing a snapshot of recent public sentiment.

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Ne Zha 2 Shatters Box Office Records, Ushering in a New Era for Chinese Animation

2025-02-12
Ne Zha 2 Shatters Box Office Records, Ushering in a New Era for Chinese Animation

The Chinese animated film "Ne Zha 2" has taken the Chinese box office by storm, becoming the first film to surpass $1 billion in a single market and the first non-Hollywood title to join the coveted billion-dollar club. In just eight days and five hours, it shattered the box office record previously held by "The Battle at Lake Changjin," becoming China's highest-grossing film of all time. The next day, it surpassed "Star Wars: The Force Awakens" to become the highest-grossing film ever in a single market. Its success stems from its stunning visuals, captivating storytelling, and deep cultural resonance, resonating with audiences on a profound level. This triumph injects a much-needed boost into the Chinese film industry and sets a new benchmark for Chinese animation on the global stage.

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ArduinoOS: A Lightweight RTOS for Arduino

2025-08-23
ArduinoOS: A Lightweight RTOS for Arduino

ArduinoOS is a lightweight real-time operating system (RTOS) for Arduino. It features thread safety using locks to prevent conflicts, exception handling with try-catch-clearException supporting exception inheritance and custom types, kernel panic handling with the OnKernelPanic function, memory management functions (freeMemory, freeStack), configurable thread stack sizes (InitTaskWithStackSize) and argument passing (InitTaskWithArgument), and a configurable kernel tick period. It also provides abstract classes for various hardware, simplifying hardware interaction.

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Development

The Perils of Over-Reliance on AI Coding Tools: Don't Let Automation Become Your Crutch

2025-04-03

The author recounts their experience with over-reliance on AI coding tools, drawing a parallel to using Tesla's Full Self-Driving (FSD) feature. Initially, AI boosted efficiency, but long-term dependence led to a decline in coding skills, particularly in tackling complex problems independently. The author advocates for cautious AI usage, warning against becoming a 'prompt engineer'. They emphasize mastering fundamental skills and maintaining independent problem-solving abilities to thrive in the age of AI.

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Development

NVIDIA's RIVA 128: From Near Bankruptcy to GPU Domination

2025-02-27
NVIDIA's RIVA 128: From Near Bankruptcy to GPU Domination

This is the first in a series of posts detailing the architecture of NVIDIA's first commercially successful product, the RIVA 128 graphics card. The author recounts NVIDIA's early struggles, including the failures of the NV1 and NV2 chips, and the desperate race against bankruptcy to develop the RIVA 128. The RIVA 128's success catapulted NVIDIA to its current position as a dominant force in AI and GPUs. The post provides a deep dive into the RIVA 128's architecture, covering its memory mapping, interrupt system, DMA engine, and object system, revealing the complexity and ingenuity of this iconic GPU.

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Tech

arXivLabs: Community Collaboration on New arXiv Features

2025-09-10
arXivLabs: Community Collaboration on New arXiv Features

arXivLabs is an experimental framework enabling collaborators to develop and share new arXiv features directly on the website. Participants, including individuals and organizations, share arXiv's 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 to enhance the arXiv community? Learn more about arXivLabs.

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Development

Fastmail: Why We Stick With Our Own Hardware

2024-12-22
Fastmail: Why We Stick With Our Own Hardware

Fastmail, with 25 years of experience running its own hardware, details why they choose this approach over cloud services. Through careful hardware planning, in-house operational expertise, and maximizing hardware lifespan, they achieve significant cost optimization. From initial SAS and SATA drives to current NVMe SSDs and the ZFS filesystem, Fastmail continually upgrades, leveraging Zstandard compression for increased efficiency and reliability. A cost comparison of cloud storage, HDD upgrades, and building NVMe SSD servers led them to choose the latter for superior reliability, performance, cost-effectiveness, and the ability to fully utilize their internal network.

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Tech hardware

Expat XML Parser Patches Critical, Long-Standing Vulnerability: A Decade-Long Battle

2025-03-13

After two and a half years of effort, a critical vulnerability (CVE-2024-8176) in the Expat XML parser has finally been patched. The vulnerability, stemming from recursive calls potentially leading to stack overflows and denial-of-service attacks, was addressed in version 2.7.0. Maintainer Sebastian Pipping, after reaching out to numerous companies for assistance, collaborated with Siemens and others for ten months to resolve three variants of the issue. The release also includes other improvements, such as a new fuzzer and 64-bit Windows binaries. This story serves as a reminder of the hidden security risks even in seemingly simple programming techniques, and the importance of open-source community collaboration.

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CubeTrek: 3D Visualization for Your GPS Tracks

2025-01-11
CubeTrek: 3D Visualization for Your GPS Tracks

CubeTrek is a web-based platform for visualizing, sharing, and managing your GPS tracks. Breaking free from the limitations of 2D maps, it utilizes Babylon.js to create an interactive 3D terrain view, offering a more intuitive way to experience the thrill of outdoor activities. Supporting data import from Garmin, Polar, and Coros watches, CubeTrek combines NASA SRTM data and OpenStreetMap data to provide rich statistics and activity analysis, even automatically identifying the peaks you've climbed. The backend is built with Java and Spring Boot, while the frontend leverages technologies like Bootstrap, D3.js, and MapLibre GL JS.

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WWI Dazzle Camouflage: It Wasn't the Paint, It Was the Horizon Effect

2025-03-25
WWI Dazzle Camouflage: It Wasn't the Paint, It Was the Horizon Effect

During WWI, navies used "dazzle" camouflage to confuse German U-boats. Researchers at Aston University re-analyzed a 106-year-old study and found that the "dazzle" effect was far less significant than the "horizon effect." The horizon effect causes viewers to underestimate a ship's angle relative to the horizon; even at a 25-degree angle, it appears to be traveling along the horizon. This study reveals that even experienced naval officers were fooled by the horizon effect, highlighting a misinterpretation of the camouflage's effectiveness.

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Firefox's Ticking Time Bomb: Critical Root Certificate Expiring Soon!

2025-03-11
Firefox's Ticking Time Bomb: Critical Root Certificate Expiring Soon!

Users of older Firefox versions face a critical deadline: March 14, 2025. A crucial root certificate expires then, disabling add-ons and breaking streaming services (like Netflix) if you haven't updated to Firefox 128 (or ESR 115.13+). This also compromises security features. Check your version now and update to avoid broken add-ons, streaming issues, and security vulnerabilities!

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The Mystery of the 8x19 Font in Intel BIOS

2025-08-18

This article details the author's journey to uncover the origins of a non-standard 8x19 font found in Intel motherboards' BIOS. Starting with a BIOS POST screenshot from an Intel AN430TX board, the author discovers early Intel boards (like the AN430TX and AL440LX) used a custom 8x19 font, unlike the standard 8x16. To solve the mystery, the author attempts to decode BIOS images, ultimately succeeding with a clever method. This reveals the font's presence in early BIOS versions, cleverly integrated with the string module to save space. Further investigation shows the font's use across different eras, BIOS manufacturers (AMI and Phoenix), and even into later EFI shells. The author speculates Intel, not the BIOS manufacturers, is the font's source, analyzing its role in display technology's evolution.

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Hardware

Deleting My Second Brain: A Digital Minimalist's Journey

2025-06-28
Deleting My Second Brain: A Digital Minimalist's Journey

The author spent years building a "second brain" PKM system, only to find it had become a graveyard of information, hindering thought and creativity. He deleted everything, opting for a lighter, experience-focused approach. He realized true knowledge isn't stored in databases but lived and acted upon. This essay explores the pitfalls and reflections of personal knowledge management and the value of returning to authenticity and experience.

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Misc

The Wrong Bird in Charlie's Angels: A 20-Year Ornithological Mystery

2025-05-23
The Wrong Bird in Charlie's Angels: A 20-Year Ornithological Mystery

This article details the author's deep dive into a bird-related error in the movie Charlie's Angels. A pivotal scene uses the wrong bird species, appearance, and sound. Through interviews with the screenwriter, animal trainer, sound editor, and director, the author unravels the reasons behind the mistake: from the initial accurate bird selection in the script to later sound modifications to match the actor's performance, and multiple factors including legal regulations and shooting conditions. Ultimately, using professional bird sound identification software and expert assistance, the author successfully identifies the bird sound as originating from a thick-billed fox sparrow from Oregon. The story showcases the complex interplay of various factors in filmmaking, and the balance between pursuing perfection and compromising with reality.

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Misc

Rybbit: Open Source, Privacy-Friendly Web Analytics

2025-05-07
Rybbit: Open Source, Privacy-Friendly Web Analytics

Rybbit is a modern, open-source, and privacy-respecting alternative to Google Analytics. Setup takes minutes, and it's incredibly intuitive. See a live demo running on a production site with over a million monthly visits. Self-host or use their hosted service. It offers key web analytics metrics (sessions, unique users, page views, bounce rate, etc.), is GDPR and CCPA compliant (no cookies or user tracking), and boasts customizable dashboards, advanced filtering, custom events, a live sessions dashboard, and three-level location tracking with advanced map visualizations. It supports organizations and unlimited sites.

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Development open source analytics

Simple Exercise Eliminates Gastroesophageal Reflux: A Case Report

2024-12-28

This case report describes a novel exercise to strengthen the lower esophageal sphincter (LES) and eliminate gastroesophageal reflux. The exercise involves eating while kneeling with the head lower than the stomach, using gravity as resistance. After several months of daily practice, the author's reflux symptoms ceased and haven't returned. This simple, low-risk exercise offers a potential solution for some individuals suffering from GERD.

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