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Overreliance on AI May Hinder Student Learning: A University of Tartu Study

2025-09-07

Overreliance on AI May Hinder Student Learning: A University of Tartu Study

A University of Tartu study reveals that excessive use of AI tools, such as ChatGPT, may negatively impact student academic performance. Researchers surveyed 231 computer science students, finding a correlation between frequent AI tool use for solving programming problems and lower grades. The study emphasizes that AI should be a learning aid, not a replacement for learning itself. Students need guidance to use AI tools effectively, preventing overreliance that could hinder the development of critical skills.

(phys.org)

Tech

NVIDIA's Security Shift: Formal Verification with SPARK

2025-02-13

NVIDIA's Security Shift: Formal Verification with SPARK

Facing increasing cybersecurity threats, NVIDIA's security team moved away from traditional testing and embraced SPARK formal verification. A proof-of-concept project successfully converted security-sensitive C code to SPARK in just three months, demonstrating improved security without performance loss. Now, over fifty NVIDIA developers are trained in SPARK, with numerous products shipping SPARK components. This case study highlights the successful adoption of formal verification, offering valuable lessons for other organizations seeking enhanced security.

(blog.adacore.com)

Tech

Peel-and-Replace Walls: A New Hook-and-Loop System for Concrete

2025-09-05

Peel-and-Replace Walls: A New Hook-and-Loop System for Concrete

Researchers at Austria's Graz University of Technology have developed a novel hook-and-loop system for concrete walls. Instead of traditional hooks and loops, they cast protrusions into the concrete and 3D print a flexible sheet with corresponding protrusions. This allows for the easy removal and replacement of wall coverings, flooring, and other elements, promising a cleaner, faster, and more efficient approach to construction and renovation.

(www.core77.com)

Hardware

Mixbox: Revolutionizing Color Mixing in Digital Painting

2024-12-29

Mixbox: Revolutionizing Color Mixing in Digital Painting

Mixbox is a revolutionary color mixing library that solves the problem of unnatural color mixing in digital painting by simulating the way real pigments mix. Based on the Kubelka-Munk theory, it treats colors as pigments, offering a simple RGB in/out interface and supporting multiple languages including C++, Python, and GLSL. Mixbox enables more realistic color gradients, richer mixing effects, and natural brushstroke blending, bringing digital painting closer to the feel of traditional painting. It's already integrated into Rebelle and Blender's Flip Fluids add-on and offers flexible licensing options for developers.

(scrtwpns.com)

Design digital painting color mixing pigment simulation

Gibson's Latest: Design, Tech, and the Crisis of Identity

2025-02-03

Gibson's Latest: Design, Tech, and the Crisis of Identity

William Gibson's new sci-fi novel, *The Peripheral*, explores how rampant materialism, technology, and design challenge the very meaning of personhood. Critic Justin McGuirk argues that the future Gibson depicts isn't fiction, its roots are already firmly planted in our reality. The novel uses detailed descriptions of brands, consumer goods, and technological gadgets to reveal the complexities and contradictions of consumerism in a late-capitalist society, and the struggle for self-identity in an increasingly homogenous world. Ultimately, advanced technology blurs the lines between virtual and real, leading to a questioning of human identity and prompting profound reflections on the future. Tech category.

(www.dezeen.com)

Tech Design Philosophy Identity Crisis

Heatproof Magnetism: A Surprising Discovery Defies Expectations

2025-01-19

Heatproof Magnetism: A Surprising Discovery Defies Expectations

High temperatures are known to disrupt order and patterns. However, physicists have theoretically demonstrated a type of idealized magnetism that maintains its orderly structure regardless of temperature. This surprising discovery stems from a simple question posed at a lecture, leading to a deeper exploration of quantum field theory. Researchers found that in a system resembling two intertwined magnetic grids, a specific magnetic order persists even at infinitely high temperatures. The freely spinning magnetic vectors stabilize the up-down aligned vectors, maintaining overall magnetic order. This finding could have implications for cosmology and the quest to achieve room-temperature quantum phenomena.

(www.quantamagazine.org)

Physics magnetism high temperature

X11 DPI Scaling: Debunking the Myth

2025-06-25

The author challenges the common belief that X11 doesn't support DPI scaling by successfully drawing a two-inch circle across multiple screens with varying sizes and resolutions. Using OpenGL and X server configuration events, the author dynamically adjusts the circle's radius based on physical screen dimensions obtained from the X server. Despite encountering minor inaccuracies, like a discrepancy in the TV's reported size, the experiment proves DPI scaling in X11 is achievable. The process highlights the importance of ignoring limitations imposed by others and pursuing seemingly impossible tasks.

(flak.tedunangst.com)

Development DPI scaling

Real-Time Rendering Architectures: A Call for Maturity

2025-05-09

The real-time rendering field is maturing, and this article calls for a shift away from flashy demos and towards a focus on fundamental architectural design. The author argues for a taxonomy of real-time rendering engines, proposing a three-dimensional framework encompassing product characteristics (users, platforms, scalability), production processes (content abstraction, iteration speed, user types), and technological requirements (latency, dynamics, streaming). The article emphasizes that optimal architectural choices, such as threading models, APIs, and data structures, depend heavily on context. This nuanced approach is crucial for efficiency and meeting the diverse needs of a growing industry.

(c0de517e.com)

Development engine architecture

Burner Phone 101: A Workshop Summary

2025-08-25

Burner Phone 101: A Workshop Summary

This workshop, hosted at the Brooklyn Public Library, covered phone-related risk modeling, privacy-enhancing smartphone practices, various burner phone options, and when to ditch phones altogether. Participants learned to assess risks by considering what needs protection, from whom, and the consequences of failure. The workshop detailed smartphone vulnerabilities and offered privacy tips for all phones, including updates, strong PINs, and restricted app permissions. Different burner phone options were explored – prepaid phones, SIM rotation, and minimal phones – each with its limitations. Finally, the workshop emphasized that sometimes, the best burner phone is no phone at all, suggesting alternative methods for communication and location sharing when digital devices are a risk.

(rebeccawilliams.info)

Tech burner phones

Facebook Consolidates All Videos into Reels Format

2025-06-17

Facebook announced that all videos on its platform will soon be shared as reels, regardless of length or orientation, unifying its video formats. Users will no longer need to choose between uploading a video or a reel; all uploads will automatically become reels, removing length restrictions (currently capped at 90 seconds on Facebook Reels). This simplification mirrors Instagram's 2022 move to automatically convert short videos into reels. While some users may dislike the change—for example, horizontal videos being forced into a vertical format—Facebook assures users the update won't affect video recommendations and will be gradually rolled out globally.

(techcrunch.com)

Tech Video Format

Berlin Swapfest: C-base's Quarterly Electronics & Tools Exchange

2025-03-01

Berlin Swapfest: C-base's Quarterly Electronics & Tools Exchange

Berlin's c-base hackerspace is hosting its first quarterly Swapfest on April 19th. Buy, sell, or swap electronics, computer equipment, and tools. Promoting reuse and right-to-repair, the event encourages participants to bring items they no longer need. Whether you're building a home lab or seeking components and tools, this is the place to be. Selling is free, though a deposit may be required for larger items that aren't taken home. Transactions are flexible (PayPal, crypto, cash) with disputes handled by the parties involved.

(www.swapfest.berlin)

Misc hackerspace electronics swap right-to-repair

EU-Wide Mass Surveillance: Your Privacy is Under Attack

2025-08-11

The EU is planning mass surveillance of all 450 million citizens' communications, including photos, messages, and files, even encrypted ones. This violates fundamental privacy and data protection rights, leading to numerous false positives and putting ordinary people at risk. Weakening end-to-end encryption also makes sensitive data vulnerable to hackers and malicious actors. This sets a dangerous global precedent, enabling authoritarian regimes to justify their own intrusive surveillance and undermining privacy and free speech worldwide.

(fightchatcontrol.eu)

Tech

Configuring Python Language Server in Kate Editor for Virtual Environments

2025-05-05

This post details configuring a Python language server in the Kate editor to work with virtual environments. The author notes that while Kate's documentation exists, the setup process can be tricky. The article walks through creating a bash script, `pylsp_in_env`, to automatically detect and activate virtual environments. This script is then integrated with `python-lsp-server` and `python-lsp-ruff` (for Ruff linting and formatting). The final configuration is achieved by specifying the `pylsp_in_env` script and the `%{Project:NativePath}` path argument in Kate's LSP configuration file.

(akselmo.dev)

Development

Francine Prose Remembers 1970s San Francisco: A Nostalgic Look Back

2025-06-22

Francine Prose Remembers 1970s San Francisco: A Nostalgic Look Back

In a recent podcast, author Francine Prose reminisces about her time in 1970s San Francisco. She paints a picture of a city before the tech boom, where the Mission District was wild and free. Prose describes artists carving out spaces in the Reno Hotel, a former boxer's residence, and recounts her involvement in anti-war protests, including her husband's daring climb of the Pentagon. The narrative evokes a strong sense of nostalgia for the idealism and freedom of the era, drawing intriguing parallels to her favorite film, Alfred Hitchcock's *Vertigo*.

(www.laphamsquarterly.org)

Misc san francisco

Analyzing npm Package Version Numbers with a Bun Script

2025-09-15

This Bun script analyzes npm package version numbers. It fetches all package IDs from the npm replicate API and then retrieves version information for each package from the npm registry API. The script calculates the total number of versions and the largest number within the version numbers for each package, filtering out known problematic packages. It then outputs lists of packages with the most versions and the largest numbers in their versions. This helps identify patterns and potential issues in npm package version management.

(adamhl.dev)

Development version numbers

Optimizing Byte Matrix Multiplication with AVX-VNNI

2025-01-10

Optimizing Byte Matrix Multiplication with AVX-VNNI

This article explores optimizing byte matrix multiplication using the AVX-VNNI instruction set. The author begins with a naive implementation, then uses the gemmology and xsimd libraries to create optimized versions employing transposition and a custom layout. Benchmark results show the custom layout achieves the best performance, leveraging the vpdpbusd instruction for significant efficiency gains. The article delves into the implementation details of gemmology's maddw function and its architectural variations.

(github.com)

Development Matrix Multiplication

CauseNet: A Massive Web-Extracted Causality Graph

2025-09-02

Researchers have built CauseNet, a large-scale knowledge base comprising over 11 million causal relations. Extracted from semi-structured and unstructured web sources with an estimated precision of 83%, CauseNet is a causality graph usable for tasks such as causal question answering and reasoning. The project also provides code for loading into Neo4j and training/evaluation datasets for causal concept spotting.

(causenet.org)

AI

Amazon's Jassy Slams Bureaucracy, Pushes for Meritocracy

2025-03-22

Amazon's Jassy Slams Bureaucracy, Pushes for Meritocracy

Amazon CEO Andy Jassy is aggressively streamlining management layers and bureaucracy. He emphasized that promotions aren't about building large teams, but about efficient execution. He urged employees to act like owners, stay competitive, and use a dedicated "No Bureaucracy" email alias to report unnecessary processes. Over 375 changes have already been implemented based on employee feedback. The goal is to increase efficiency, fostering a more startup-like environment focused on customer experience and meritocracy, rather than size of team.

(www.businessinsider.com)

Startup management reform

MacBook Notch Breaks Game Rendering: A Developer's Nightmare

2025-08-15

MacBook Notch Breaks Game Rendering: A Developer's Nightmare

Many games render incorrectly on MacBooks with notched displays. The issue stems from how games obtain screen resolutions (CGDisplayCopyAllDisplayModes), which returns resolutions including the notch area, resulting in compressed and distorted game visuals. The article analyzes the differences between various screen regions (full screen, safe area, AppKit fullscreen area) and offers a solution for filtering resolutions. However, it ultimately points to Apple's API design as the root cause. The article also lists affected games and potential improvements Apple could implement, such as updating the HIG, improving CGDisplayMode, or creating a new game-centric API.

(www.colincornaby.me)

Development macOS game development screen resolution

Shocking! Most Open Source Projects Are Maintained by a Single Person

2025-08-28

Shocking! Most Open Source Projects Are Maintained by a Single Person

A recent article reveals a shocking truth about the open-source world: over 7 million open-source projects are maintained by just one person! This includes many popular NPM packages with over a million downloads. The author argues that focusing on the maintainer's nationality is pointless; the real issue is that these developers severely lack resources and support, posing a potential supply chain risk. Instead of demonizing individual developers, we should focus on how to better support them.

(opensourcesecurity.io)

Development single maintainer

Anti-Aliasing SDFs: It's More Complicated Than You Think

2025-08-04

Anti-Aliasing SDFs: It's More Complicated Than You Think

This article delves into the intricacies of anti-aliasing signed distance fields (SDFs). While seemingly straightforward, the process involves numerous considerations, including gradients, transition zone width, coordinate spaces, and color space choices. It explains the use of linear interpolation and smoothstep functions for anti-aliasing SDFs, compares different approaches, and provides practical solutions using pixel size, numerical derivatives, and various color spaces.

(blog.pkh.me)

Development Anti-aliasing

Apple Wallet Ads for F1 Movie Spark User Backlash

2025-06-24

Apple Wallet Ads for F1 Movie Spark User Backlash

Apple is facing user backlash after its Wallet app pushed notifications advertising a $10 discount on Fandango for the F1 movie. iPhone users are upset about receiving marketing promotions within a built-in utility. While the film uses Apple technology, including iPhone parts in its cameras, users don't want ads in their apps. An upcoming iOS 26 beta update will include a toggle to disable these promotions, suggesting Apple plans to increase such marketing. This reminds many of the infamous U2 album automatically added to iTunes years ago. The negative reaction highlights Apple users' aversion to unwanted ads on their devices.

(techcrunch.com)

Tech

CSRF, CORS, and the Same-Origin Policy: A Browser Security Tug-of-War

2025-03-02

This article delves into the web security mechanisms of CSRF (Cross-Site Request Forgery) and CORS (Cross-Origin Resource Sharing). While both relate to cross-site requests, their functions and mechanisms differ significantly. By default, browsers enforce the same-origin policy, restricting cross-site writes but permitting cross-site reads. CSRF exploits vulnerabilities in this policy, while CORS provides a mechanism to allow specific cross-site requests. The article analyzes the impact of the SameSite attribute on CSRF, the crucial role of browsers in the overall security architecture, and notes that browser adoption of the SameSite=Lax default will directly affect internet security.

(smagin.fyi)

Development

Don't Use the Obsolete ISO/IEC 14977:1996 EBNF Specification!

2025-05-19

This essay strongly advises against using the ISO/IEC 14977:1996 EBNF specification due to its numerous flaws. The author details the specification's shortcomings, including its lack of support for Unicode characters, character ranges, and common regular expression syntax, as well as its cumbersome "one or more" notation. The author argues that the specification is difficult to understand, lacks readability, and is out of sync with modern software development practices. In contrast, the W3C's EBNF specification is presented as a more concise, user-friendly, and compatible alternative. The author also points out that blindly following ISO standards isn't always correct; choosing the most suitable tool is paramount, rather than being constrained by outdated standards.

(dwheeler.com)

Development

Claude's Stealth Data Grab: Defaulting Users Into the Training Pipeline

2025-08-31

Claude's Stealth Data Grab: Defaulting Users Into the Training Pipeline

Anthropic's AI chatbot, Claude, quietly changed its terms of service. Now, user conversations are used for model training by default, unless users actively opt out. This shift has sparked outrage among users and privacy advocates. The article argues this highlights the importance of actively managing data privacy when using AI tools, urging users to check settings, read updates, and make conscious choices about data sharing. The author emphasizes that relying on default settings is risky, as they can change without notice. The change disproportionately affects consumer users, while enterprise clients are unaffected, revealing the priorities of the data-driven AI ecosystem.

(natesnewsletter.substack.com)

AI

Earthquake Early Warning: The Speed-Accuracy Tradeoff in Magnitude Estimation

2025-07-23

Earthquake Early Warning: The Speed-Accuracy Tradeoff in Magnitude Estimation

A major challenge in Earthquake Early Warning (EEW) systems is real-time estimation of earthquake magnitude. Magnitude determines the extent of shaking and who needs warning. Underestimation risks missed warnings, while overestimation leads to false alarms and erosion of public trust. The key challenge lies in balancing speed and accuracy; initial data is limited, but delaying alerts reduces warning time. Over the past three years, we've significantly improved magnitude estimation, reducing the median absolute error from 0.50 to 0.25. Our accuracy now rivals, and in some cases surpasses, established seismic networks.

(research.google)

Tech Magnitude Estimation Real-time Monitoring

The AI Hype in Science: A Physicist's Disillusionment

2025-05-20

The AI Hype in Science: A Physicist's Disillusionment

Nick McGreivy, a Princeton PhD physicist, shares his experience applying AI to physics research. Initially optimistic about AI's potential to accelerate research, he found AI methods significantly underperformed their advertised capabilities. Many papers exaggerated AI's advantages, with issues like data leakage prevalent. He argues that the rapid rise of AI in science stems more from benefits to scientists (higher salaries, prestige) than genuine improvements to research efficiency. He calls for more rigorous AI evaluation and cautions against optimistic biases in AI research.

(www.understandingai.org)

AI Reproducibility Crisis

MIT's 2022 Quantum Computation Lecture Notes

2025-06-12

Lecture notes from MIT professor Peter Shor's Fall 2022 Quantum Computation course (8.370/18.435) are now available. The comprehensive notes cover a wide range of topics, from fundamental concepts like superposition and unitary evolution to quantum measurement, entanglement, and key algorithms such as Deutsch-Jozsa, Simon's, Shor's, and Grover's algorithms. Advanced topics including quantum error correction codes and quantum key distribution are also included. While Lecture 26 is missing, this extensive resource provides a valuable foundation for learning quantum computation.

(math.mit.edu)

Development quantum computation quantum information

My Simple Random Number Generator Went Viral (and Broke)

2025-02-01

My Simple Random Number Generator Went Viral (and Broke)

Months after creating a simple random number generator website, the author almost forgot about it. Recently, it unexpectedly went viral, leading to a flood of visitors and various server issues: connection pool exhaustion, UUID parsing errors, and malicious requests. Through logs, monitoring, and debugging, the author gradually resolved these issues and added preventative measures such as rate limiting and character length restrictions. This experience underscored the importance of robust logging, monitoring, and metrics, even for seemingly simple projects.

(swlody.dev)

Development server troubleshooting

Apple Secretly Bolsters iOS and macOS Security with 'Exclaves'

2025-03-09

Apple Secretly Bolsters iOS and macOS Security with 'Exclaves'

Apple is secretly developing a security feature called "exclaves" within its XNU kernel to enhance the security of iOS and macOS. This technology, resembling a microkernel approach, isolates critical functions, protecting the system even if the kernel is compromised. Leveraging new architecture and the Secure Page Table Monitor hardware security, sensitive services are compartmentalized, preventing a single vulnerability from compromising the entire kernel address space. This enhances security for growing on-device AI workloads and cloud interactions.

(www.theregister.com)

Tech XNU Kernel

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