LLMs: Manipulating Symbols or Understanding the World?

2025-06-04
LLMs: Manipulating Symbols or Understanding the World?

This article challenges the prevailing assumption that Large Language Models (LLMs) understand the world. While LLMs excel at language tasks, the author argues this stems from their ability to learn heuristics for predicting the next token, rather than building a genuine world model. True AGI, the author contends, requires a deep understanding of the physical world, a capability currently lacking in LLMs. The article criticizes the multimodal approach to AGI, advocating instead for embodied cognition and interaction with the environment as primary components of future research.

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Static Electricity: The Secret to Planet Formation?

2025-04-08
Static Electricity: The Secret to Planet Formation?

A new study published in Nature Astronomy suggests that static electricity plays a crucial role in planet formation. Researchers conducted experiments aboard a suborbital rocket, discovering that tiny dust particles in protoplanetary disks use static charges to clump together, forming larger 'pebbles' that eventually grow into planets through gravitational attraction. This research solves the long-standing 'bouncing barrier' problem—the size threshold dust particles must reach to bind gravitationally. The experiments showed that only charged dust particles can overcome this barrier, ultimately leading to planet formation.

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Tech

AI Hype: Bubble or Breakthrough?

2025-09-19
AI Hype: Bubble or Breakthrough?

This article delves into the pervasive hype surrounding artificial intelligence. From AI's early symbolic paradigm to today's deep-learning-based generative AI, technological advancement isn't linear but rather characterized by contingency and unexpected turns. The explosive popularity of ChatGPT exemplifies this. However, alongside AI's commercialization, a wave of exaggerated claims has emerged, portraying AI as an omnipotent myth. The author criticizes the overly optimistic and technologically uninformed pronouncements of tech prophets like Yuval Noah Harari and Henry Kissinger, arguing that they inflate AI's potential risks while overlooking its limitations and its practical applications in solving real-world problems. The author calls for a rational perspective on AI, urging readers to avoid being blinded by hype and to focus on addressing the practical challenges of the technology itself.

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Intel Sells 51% Stake in Altera to Silver Lake

2025-04-14
Intel Sells 51% Stake in Altera to Silver Lake

Intel announced it has agreed to sell a 51% stake in its FPGA subsidiary, Altera, to Silver Lake, a global technology investment firm, for $8.75 billion. This move aims to improve Intel's financial position and grant Altera greater independence to focus on growth in the AI-driven market. Altera CEO Sandra Rivera will step down, to be replaced by Raghib Hussain, former president of Products and Technologies at Marvell. The transaction is expected to close in the second half of 2025, leaving Intel with a 49% stake.

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Tech

David Tong's Theoretical Physics Textbook Series: A Modern Classic?

2025-04-22

Professor David Tong's renowned lecture notes have been transformed into a comprehensive textbook series published by Cambridge University Press. These books expand upon the original notes, offering richer content, clearer explanations, and even correct spellings (Schwarzschild!). They're also affordably priced. Four volumes are currently available, covering a vast swathe of undergraduate and graduate curricula. The series has garnered rave reviews from leading physicists, praised as a modern equivalent to Landau and Lifshitz's classic work.

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OAuth 2.1 Provider Framework for Cloudflare Workers: An AI-Assisted Security Library

2025-06-03
OAuth 2.1 Provider Framework for Cloudflare Workers: An AI-Assisted Security Library

This TypeScript library implements the provider side of the OAuth 2.1 protocol with PKCE support for Cloudflare Workers. It acts as a wrapper, automating token management and user authentication. Developers write regular fetch handlers; the library handles authentication. It's agnostic to user management and UI frameworks, storing only hashes, not secrets. Interestingly, the library's development involved AI model Claude, with Cloudflare engineers' security review validating AI's potential in software development. The library also features a novel approach to refresh token management, balancing security with resilience to transient errors.

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Development

My Take-Home Assignment Nightmare: Kagi Search's Unpaid Labor

2025-05-14

The author recounts a grueling experience with a take-home assignment for Kagi Search. Despite delivering a complete and well-documented email client web app deployed on AWS, exceeding the initial vague requirements, the author received a generic rejection email with no feedback. This experience highlights the absurdity of unpaid, extensive assignments in the tech hiring process and advocates for more effective methods like live code reviews.

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SourceHut Under Siege: The High Cost of LLM Crawlers

2025-03-18

SourceHut, an open-source code hosting platform, is under relentless attack from large-scale LLM crawlers. Ignoring robots.txt, these bots indiscriminately scrape data, causing frequent outages and severely impacting service stability and developer productivity. The author pleads for a halt to the development and use of LLMs and AI tools, condemning the immense damage inflicted on the open-source community. This isn't just SourceHut's problem; it's a challenge for the entire open-source ecosystem.

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Development crawler attacks

Hidden Gems in C's stdint.h: Beyond limits.h for Integer Type Definitions

2025-04-17
Hidden Gems in C's stdint.h: Beyond limits.h for Integer Type Definitions

This blog post recounts the author's unexpected discovery about integer type definitions while learning C. In the early days of C, the size of integers varied greatly across different architectures, leading compiler vendors to create custom type definitions like Microware's types.h. Later, the ANSI C standard introduced stdint.h, providing standard type definitions like uint32_t and maximum value definitions like INT_MAX from limits.h. However, the author recently discovered that stdint.h also includes definitions like INT8_MAX and UINT32_MAX, which can be directly used to define the maximum and minimum values of integer types of specific sizes, making the code more portable and avoiding errors caused by platform differences.

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Development integer types

ZEUS Laser: Michigan's 2-Petawatt Powerhouse Shatters US Records

2025-05-21
ZEUS Laser: Michigan's 2-Petawatt Powerhouse Shatters US Records

The University of Michigan's ZEUS laser facility has achieved a groundbreaking milestone, reaching 2 petawatts (2 quadrillion watts) in its first official experiment, making it the most powerful laser in the U.S. While this immense power—over 100 times the global electricity output—lasts only for a fleeting 25 quintillionths of a second, its applications are vast, spanning medicine, national security, materials science, astrophysics, and more. As a user facility, ZEUS welcomes research teams from across the globe to submit proposals. The laser employs innovative techniques to generate high-energy electron beams and is poised for a landmark experiment later this year, aiming to reach zettawatt-scale pulses.

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Tech

X Server: The Unsung Hero of Your GUI

2025-09-23
X Server: The Unsung Hero of Your GUI

The X server is the foundation of your graphical user interface. It accepts requests from client applications to create windows—these windows are virtual screens where client programs can draw. The X server (or a separate compositor) composes windows onto the actual screen as directed by the window manager, which usually interacts with the user via graphical controls like buttons, draggable title bars, and borders. For more info, check out the Xorg mailing list, Bugzilla, and code repository.

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Development

Pope Leo XIV Rejects AI Papal Avatar: Tech Development Needs Human Connection

2025-09-24
Pope Leo XIV Rejects AI Papal Avatar: Tech Development Needs Human Connection

Pope Leo XIV has rejected a proposal to create an AI-powered virtual version of himself, which would have allowed Catholics worldwide to have virtual audiences. The Pope expressed concerns that an AI representation would be inappropriate, and voiced worries about AI's potential to cause job displacement and exacerbate social inequality. He stressed that technological advancement must be balanced with faith and humanity, preventing technology from becoming a cold, empty shell that neglects human values. This decision echoes the concerns previously raised by Pope Francis, highlighting the importance of upholding ethics and social fairness in the face of technological progress.

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Reverse Engineering Cursor's LLM Client: Peeking Under the Hood of an AI Coding Assistant

2025-06-07
Reverse Engineering Cursor's LLM Client: Peeking Under the Hood of an AI Coding Assistant

This post details how the authors used the open-source framework TensorZero to build a self-hosted proxy and successfully reverse-engineered the LLM client of the AI coding assistant Cursor. By routing communication between Cursor and LLM providers through TensorZero, they could observe, analyze, and even optimize the prompts and models Cursor uses. They overcame challenges related to Cursor's server-side preprocessing and CORS issues. Ultimately, they gained complete visibility into Cursor's LLM interactions, including prompts and responses, enabling A/B testing of different LLM models. This work provides valuable insights into understanding and optimizing AI coding assistants and reveals a potential hierarchy of LLMs within Cursor.

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Development

Effective Node.js Monitoring: Metrics, Alerts, and Best Practices

2025-05-19
Effective Node.js Monitoring: Metrics, Alerts, and Best Practices

This guide dives deep into effective Node.js application monitoring. It covers monitoring runtime metrics (memory, CPU), application metrics (request rates, response times), and business metrics (user actions, conversion rates). The importance of monitoring is stressed, detailing how to collect these metrics and set up meaningful alerts. Common monitoring pitfalls like misinterpreting memory sawtooth patterns and ignoring percentiles are addressed. The guide also shows how to connect metrics to business value and utilize them beyond production, such as in benchmarking, load testing, and A/B testing.

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Development

Google Unveils Gemini 2.5 Flash: A Controllable Reasoning AI Model

2025-04-17
Google Unveils Gemini 2.5 Flash: A Controllable Reasoning AI Model

Google has released Gemini 2.5 Flash, a new large language model featuring controllable reasoning capabilities. Building upon the popular 2.0 Flash, it significantly improves reasoning while prioritizing speed and cost-effectiveness. Developers can adjust a 'thinking budget' to balance quality, cost, and latency. The model automatically adjusts its thinking process based on prompt complexity, offering modes ranging from no thinking to intensive reasoning. Gemini 2.5 Flash excels on LMArena's Hard Prompts, boasting a superior price-to-performance ratio, making it one of the most cost-effective thinking models available.

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Clippy: The Office Assistant We Loved to Hate

2025-04-13
Clippy: The Office Assistant We Loved to Hate

Clippy, the animated paperclip assistant in Microsoft Office 97 and 2000, attempted to simplify software use through animation and suggestions. However, its over-enthusiastic and often unhelpful advice made it a target of user frustration. This article revisits Clippy's origins, focusing on the era of increasing computer power without effective software utilization and Clippy's attempts to address the problems of user-unfriendliness and excess computing power. Clippy's retirement in 2001 marked the end of an outdated user experience, yet today evokes a sense of nostalgia for some.

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Tech

Defying Planet Formation Theories: A Giant Planet Around a Tiny Red Dwarf

2025-06-04
Defying Planet Formation Theories: A Giant Planet Around a Tiny Red Dwarf

Astronomers have discovered a giant planet, TOI-6894b, orbiting the small red dwarf star TOI-6894, which is only about 20% the mass of our Sun. This discovery challenges leading planet formation theories, as core accretion models predict that giant planets are unlikely to form around such low-mass stars. TOI-6894b's low density and cool temperature make it a unique case, offering an excellent opportunity to study planetary atmospheres. Future observations by the James Webb Space Telescope will investigate TOI-6894b's atmosphere to unravel the mysteries of its formation.

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Tech

The College Tuition Myth: It's Cheaper Than You Think

2025-02-23
The College Tuition Myth: It's Cheaper Than You Think

Despite widespread belief that college tuition is skyrocketing, data reveals a different story. Since 2014, public four-year college tuition has actually fallen by 21% in real terms, while private college tuition is down 12% after adjusting for inflation. This is due to a peculiar pricing strategy: universities set a high sticker price, then offer substantial financial aid to low-income students, effectively subsidizing their education. This creates a huge gap between the published cost and the net price, with the public fixating on the inflated sticker price. While sticker prices continue to rise, net prices are falling, thanks to increased federal Pell Grants, rebounding state appropriations, and colleges offering more aid. With the number of 18-year-olds peaking this year before a long decline, competition for students will intensify, likely pushing net tuition further down. However, public perception remains skewed, leading many to miss out on higher education and eroding confidence in the system.

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Unlock 3D Photos with Your Eyes: A Simple Guide to Cross-View Stereoscopy

2025-02-26
Unlock 3D Photos with Your Eyes: A Simple Guide to Cross-View Stereoscopy

Your brain is a natural 3D powerhouse! It can reconstruct a three-dimensional scene from just two slightly different 2D images. This article unveils a simple method to experience 3D photos without specialized equipment – cross-view stereoscopy. By taking two pictures of the same scene from slightly different angles, and then focusing your eyes on each image respectively, your brain will magically merge them into a single 3D image. The article explores the artistic potential of 3D photos, arguing that it can better represent the depth and detail of complex scenes like forests and caves, opening up new possibilities for photography and art.

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32-bit RISC-V Processor Built from Molybdenum Disulfide

2025-04-11

Researchers have created a groundbreaking 32-bit RISC-V processor using molybdenum disulfide (MoS2), a significant advancement in 'beyond silicon' hardware. Unable to dope MoS2 like silicon to adjust threshold voltage, they cleverly used different metal wiring (aluminum and gold) and embedding materials. Machine learning optimized transistor combinations. The resulting processor, with 5900 transistors, boasts a 99.8% chip-level yield, despite slower speeds, and implements the full 32-bit RISC-V instruction set. While initially limited to low-power applications like sensors, its future potential is vast.

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Efficient Right-Truncatable Prime Counter in C

2025-05-27
Efficient Right-Truncatable Prime Counter in C

This C program efficiently calculates the number of right-truncatable primes for a given number of digits. It utilizes a custom hash table for fast primality checks and the primesieve library for optimized prime generation. A right-truncatable prime remains prime after successively removing its rightmost digit. The program handles input from 1 to 19 digits, reporting the count of right-truncatable primes for each digit length and the total execution time. For example, for 8-digit numbers, it finds 5 such primes and a total of 83 up to 8 digits.

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Development

From Zero to iOS App in Three Days: An AI-Powered Development Journey

2025-06-08
From Zero to iOS App in Three Days: An AI-Powered Development Journey

The author, a product and GTM expert with limited coding experience, built a functional iOS photo management app in just three days using AI assistance. Leveraging Gemini, they navigated challenges such as Apple's CLGeocoder limitations in China and overcame coding hurdles with AI-assisted debugging and learning. The app, designed for one-time purchase instead of a subscription model, reflects a critique of current iOS app marketing practices.

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(mgx.me)
Development AI-assisted Coding

FTC Sues Uber Over Deceptive Subscription Practices

2025-04-21
FTC Sues Uber Over Deceptive Subscription Practices

The Federal Trade Commission (FTC) today filed a lawsuit against Uber, alleging that the ride-sharing and delivery company charged consumers for its Uber One subscription service without consent, failed to deliver promised savings, and made it difficult for users to cancel despite a 'cancel anytime' promise. FTC Chair Andrew N. Ferguson stated that Americans are tired of unwanted subscriptions that are nearly impossible to cancel. The FTC alleges Uber not only deceived consumers but also made cancellation unreasonably difficult. The complaint details deceptive billing and cancellation practices, including falsely advertised savings, obscured subscription information, unauthorized charges, and an excessively complex cancellation process. The FTC contends Uber's actions violate the FTC Act and the Restore Online Shoppers' Confidence Act (ROSCA).

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Startup

Rust's `fetch_max`: A Deep Dive into Compiler Optimization

2025-09-24
Rust's `fetch_max`: A Deep Dive into Compiler Optimization

During a recent engineering interview, a candidate used a single line of Rust code to solve a classic concurrency problem—tracking the maximum value across multiple producer threads. This sparked the author's curiosity: how does Rust's `fetch_max` actually work? The article delves into the compilation process from Rust code to assembly, revealing the layers of optimization involving macros, LLVM intermediate representation, compiler intrinsics, and target architecture specifics. On x86-64, `fetch_max` compiles down to a compare-and-swap (CAS) loop; on ARM, it directly utilizes the hardware's atomic max instruction. This article demonstrates the power of modern compilers and the low-level details behind high-level abstractions.

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Development

Global PC and Smartphone Market Growth Slows, India Poised to Benefit

2025-04-23
Global PC and Smartphone Market Growth Slows, India Poised to Benefit

UBS and Gartner have significantly lowered their global PC and smartphone market growth forecasts due to trade tariffs and macroeconomic uncertainties impacting consumer demand. Global PC shipments are expected to grow only 2% in 2025 and 2026, while smartphone shipments will grow 1% and remain flat, respectively. The US market will be disproportionately affected, with PC demand expected to decline. However, India is poised to benefit as Apple and Samsung shift production away from China to avoid US tariffs. Manufacturers are diversifying from China, strengthening India's role in hardware manufacturing.

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Microsoft and ASUS ROG Team Up for Xbox Ally Handheld: Expanding the Gaming Ecosystem

2025-06-08
Microsoft and ASUS ROG Team Up for Xbox Ally Handheld: Expanding the Gaming Ecosystem

Microsoft officially unveiled two new handheld gaming consoles in partnership with ASUS ROG during the Xbox Games Showcase at Summer Game Fest: the Xbox Ally and Xbox Ally X. Launching this holiday season, these devices will play Xbox games natively, via cloud gaming, or by remotely accessing an Xbox console. They also support games from Battle.net and other leading PC storefronts, along with Game Pass and Xbox Play Anywhere. The Xbox Ally features an AMD Ryzen Z2 A processor, 16GB of RAM, and a 512GB SSD; the Ally X boasts a more powerful AMD Ryzen AI Z2 Extreme processor, 24GB of RAM, and a 1TB SSD. Both handhelds sport a 7-inch 1080p 120Hz display with FreeSync Premium. Microsoft has designed a full-screen Xbox UI and Game Bar overlay, and optimized Windows 11 for the devices.

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Ancient DNA Upends Assumptions About Phoenician Origins

2025-05-01
Ancient DNA Upends Assumptions About Phoenician Origins

A groundbreaking ancient DNA study overturns long-held assumptions about the origins of the Phoenicians. Researchers analyzed DNA from 73 ancient individuals across the Mediterranean, revealing that Phoenician civilization wasn't the result of mass migration from the Levant, but a blend of diverse populations from Sicily, the Aegean islands, and North Africa. This challenges the notion of a single origin for Phoenician culture, highlighting the complex cultural exchange and fusion in the Mediterranean. The study shows that trade, not migration, was key to shaping Phoenician civilization, with communities interconnected through trade and intermarriage, jointly creating the vibrant Phoenician culture. This research not only reshapes our understanding of Phoenician civilization but also offers a new perspective on the diversity and cultural fusion of ancient Mediterranean civilizations.

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The Pragmatist's Guide to Functional Programming: Macro over Micro

2025-04-14

This essay argues against a purely micro-level application of functional programming principles in imperative languages. While acknowledging the benefits of functional programming, the author contends that obsessively replacing for loops with maps and reduces without addressing higher-level architectural concerns often yields minimal gains or even negative results. The true value lies in adopting macro-level principles like managing mutation, simplifying architecture, and strengthening type systems. The author advocates for a pragmatic approach, prioritizing architectural design and code quality over strict adherence to functional micro-styles, suggesting a portfolio of 80/20 solutions often surpasses a single 100/100 approach.

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Development

The Silent Death of Human Creativity: An AI Future

2025-05-07
The Silent Death of Human Creativity: An AI Future

This speculative fiction piece portrays a future dominated by advanced AI. Initially crude, AI art rapidly evolves, surpassing human artists in quality. Companies adopt AI for efficiency, leading to widespread artist unemployment and a decline in human artistic creation. Artists' efforts to protect their work from AI data scraping ironically resulted in AI models lacking understanding of human art. 'Art' becomes synonymous with AI-generated imagery, and human creativity fades in a comfortable, AI-driven world.

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