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Math Academy: Effective Drill or Conceptual Roadblock?

2025-04-13

Math Academy: Effective Drill or Conceptual Roadblock?

Math Academy is a popular online math learning platform praised for its gamified approach. However, reviews from math educators are mixed. The author explores its strengths and weaknesses through personal experience, highlighting its effectiveness in procedural fluency (mastering steps) but its shortcomings in conceptual understanding. Math Academy is best used as a supplement to deepen understanding gained from textbooks or lectures, not as the sole learning method. The author advocates prioritizing conceptual understanding, using tools like Math Academy for targeted practice.

(newsletter.ozwrites.com)

Education

Precision Clock Mk IV: A Two-Year Hardware Odyssey

2025-05-31

After a two-year odyssey, the Precision Clock Mk IV is finally here! This clock boasts millisecond precision with no perceptible jitter, automatically sets its timezone via GPS, and maintains accurate time even when powered off. Its innovative design features dual processors, six buffer chips, and a clever articulated hinge allowing for single or double-line display modes. The article details the intricate hardware design, software implementation, and manufacturing process, a true hardware epic!

(mitxela.com)

Hardware Precision Instrument

Fixing the Loading Issues in Myst IV: Revelation

2024-12-13

Fixing the Loading Issues in Myst IV: Revelation

This article documents the author's journey in fixing the notoriously slow loading times in Myst IV: Revelation. The game suffers from a two-second load time per click, even on SSDs. Using profiling tools, the author pinpointed the issue to the game's inefficient image loading via the LEADTOOLS library, which loads images row by row. The solution involved extracting game assets, converting images to the DDS format for faster loading, and implementing multithreading. However, challenges remain, such as crashes related to water effects, requiring further optimization.

(medium.com)

3

Game game optimization performance profiling

Spotify's Ghost Artists: The Algorithm's Dark Secret

2024-12-19

Spotify's Ghost Artists: The Algorithm's Dark Secret

This article exposes Spotify's 'Perfect Fit Content' (PFC) program, which secretly fills its playlists with low-cost 'ghost artists' to reduce royalty payouts. These ghost artists, mass-produced by production companies, lack artistic merit but dominate popular playlists, squeezing out independent musicians. This practice has angered artists and industry insiders, raising concerns about the devaluation of music and the future of streaming. It reveals streaming services' disregard for artistic integrity and musician rights in their pursuit of profit maximization.

(harpers.org)

Tech streaming ghost artists

Amazon Prime Day: 41% Drop on Day 1? A Tale of Two Data Points

2025-07-10

Amazon Prime Day: 41% Drop on Day 1? A Tale of Two Data Points

Amazon's Prime Day kicked off with conflicting reports. Momentum Commerce claimed a 41% drop in day-one sales compared to last year's shorter event. Amazon countered, calling the figures inaccurate. Analysts suggest extended sales and consumers waiting for better deals may be factors. Despite this, Adobe data reveals Prime Day's opening day surpassed Thanksgiving 2024 in e-commerce spending, with mobile sales dominating and buy-now-pay-later orders up significantly. This Prime Day, alongside Walmart's Walmart+ Week, serves as a crucial test of consumer spending amidst economic uncertainty.

(www.pymnts.com)

Tech E-commerce Sales

Microsoft Favors Anthropic AI Models, Prioritizing Claude Sonnet 4 for GitHub Copilot

2025-09-16

Microsoft Favors Anthropic AI Models, Prioritizing Claude Sonnet 4 for GitHub Copilot

Microsoft is adding automatic AI model selection to Visual Studio Code, prioritizing optimal performance. GitHub Copilot free users will see automatic selection between models like Claude Sonnet 4, GPT-5, and GPT-5 mini, while paid users will primarily use Claude Sonnet 4. Internal documents reveal Microsoft is instructing developers to favor Claude Sonnet 4 and is making significant investments in its own AI model cluster. Furthermore, parts of Microsoft 365 Copilot will leverage Anthropic models. Despite a new deal with OpenAI, Microsoft's preference for Anthropic's AI signals a shift in its AI strategy.

(www.theverge.com)

Development

ChatGPT's New Memory Feature: A Double-Edged Sword?

2025-06-08

ChatGPT's New Memory Feature: A Double-Edged Sword?

OpenAI's March launch of GPT-4's multimodal image generation feature garnered 100 million new users in a week, a record-breaking product launch. The author used it to dress their dog in a pelican costume, only to find the AI added an unwanted background element, compromising their artistic vision. This was due to ChatGPT's new memory feature, which automatically consults previous conversation history. While the author eventually got the desired image, they felt this automatic memory recall stripped away user control, leading them to disable the feature.

(simonwillison.net)

AI

Biomni: A Game-Changing Biomedical AI Agent

2025-07-10

Biomni: A Game-Changing Biomedical AI Agent

Biomni is a game-changing general-purpose biomedical AI agent capable of autonomously conducting a wide array of research tasks across various biomedical subfields. By integrating cutting-edge LLMs, retrieval-augmented planning, and code-based execution, Biomni significantly boosts research productivity and facilitates the generation of testable hypotheses. The open-source project actively solicits community contributions—new tools, datasets, software, benchmarks, and tutorials—to build Biomni-E2, a next-generation environment. Significant contributors will be recognized with co-authorship on publications in top-tier journals or conferences.

(github.com)

AI Biomedical AI

Convoy Ditches UUIDv4 for ULIDs: Efficiency and Scalability in the Big Data Era

2024-12-28

During a database migration from MongoDB to Postgres, Convoy decided to replace UUIDv4 with ULIDs as unique identifiers. The article compares UUIDv4 and ULIDs, highlighting ULID's advantages: lexicographical sortability, URL friendliness, and improved database indexing efficiency, albeit with slightly slower generation and insertion speeds. Convoy chose ULIDs primarily to solve pagination performance issues with large datasets. While ULIDs are marginally slower to generate, the performance gains, especially for large-scale data processing, are deemed worthwhile. The article also discusses potential time information leakage risks and user data implications of ULIDs, and briefly mentions the potential future adoption of UUIDv7.

(jirevwe.github.io)

Development

AI Coding Assistants: Hype vs. Reality

2025-03-08

AI Coding Assistants: Hype vs. Reality

Many developers claim AI coding assistants boost productivity 5-10x, but a study of nearly 800 engineers reveals a different story. The research found no significant improvement in efficiency metrics; in fact, AI assistant use led to a 41% increase in bugs. While helpful for documentation, function lookup, and API understanding, these tools struggle with medium-sized or complex codebases. The author suggests they're more like enhanced search engines, providing a roughly 10% productivity increase, far less than often touted. Modal editors may even offer greater coding speed improvements than inline AI completion.

(www.lesswrong.com)

Development

CodeScientist: An AI-Powered Tool for Automated Scientific Discovery – Costs and Risks

2025-04-09

CodeScientist: An AI-Powered Tool for Automated Scientific Discovery – Costs and Risks

CodeScientist is an autonomous agent leveraging LLMs for automated scientific discovery. It generates, debugs, and runs experiments, but costs vary depending on debugging iterations, prompt size, etc., averaging around $4 per experiment. Users must carefully manage API keys and monitor usage to avoid high costs. The generated code might contain API keys; exclusion patterns are recommended to prevent accidental commits.

(github.com)

Development Cost Management

Google AI Ultra: Your VIP Pass to Cutting-Edge AI

2025-05-20

Google AI Ultra: Your VIP Pass to Cutting-Edge AI

Google unveils Google AI Ultra, a premium AI subscription service costing $249.99/month (50% off for the first three months). It offers unparalleled access to Google's most powerful AI models and premium features, including Gemini (with Deep Think 2.5 Pro), Flow (AI filmmaking tool), Whisk (text and image prompt visualization), NotebookLM, Gemini integration across Gmail, Docs, etc., Gemini in Chrome, Project Mariner task management, YouTube Premium, and 30TB of storage. Designed for filmmakers, developers, creative professionals, and anyone demanding the highest level of AI access.

(blog.google)

AI premium AI features

Beginner's Guide to Bow Making: A Step-by-Step Tutorial

2025-04-11

This tutorial breaks down the bow making process into easily digestible chunks. Whether you're using a laptop or a phone/tablet, you'll find a menu to navigate the different sections. It's recommended to start with Part 1, but you can jump to any section that interests you. While not exhaustive, this tutorial provides a step-by-step guide to get you started, offering encouragement and inspiration along the way. Remember, learning anything new takes time and patience; take it one step at a time, and you'll overcome any fears and be on your way to making your own bow.

(www.howtomakealongbow.co.uk)

Design bow making handicraft tutorial

Bill Atkinson, Macintosh GUI Pioneer, Passes Away

2025-06-08

Bill Atkinson, Macintosh GUI Pioneer, Passes Away

Bill Atkinson, the engineer behind much of the original Macintosh's groundbreaking graphical user interface (GUI), passed away on June 5th from complications of pancreatic cancer. Atkinson, Apple employee #51, was instrumental in the development of the first Macintosh and the Lisa's GUI. His innovations included the menu bar, the lasso selection tool, the "marching ants" animation, and an efficient circle-drawing algorithm. He's perhaps best known for HyperCard, a revolutionary hypermedia application creation system he described as a "software erector set." After leaving Apple, Atkinson pursued a passion for nature photography and joined the AI company Numenta in 2007. His passing marks the loss of a true tech legend whose impact on computing remains profound.

(appleinsider.com)

Tech

Automating My 8K Monitor Setup with Grobi

2025-05-10

The author uses a Dell 32-inch 8K monitor and encountered configuration issues after waking up the computer from sleep. Previously, manual SSH connection and running xrandr commands were necessary. Now, the author uses the Grobi program to automate the monitor configuration, solving this problem. Grobi listens for X11 RandR output change events and automatically runs xrandr to configure resolution and positioning. Additionally, the author uses the zleep program and a myStrom smart plug to control the monitor's power, saving energy.

(michael.stapelberg.ch)

Hardware monitor configuration

Zed Editor Launches Powerful New Debugger

2025-06-19

Zed Editor Launches Powerful New Debugger

The Zed editor team announced the release of its highly anticipated debugger, supporting popular languages like Rust, C/C++, JavaScript, Go, and Python. Designed to be fast, familiar, and configurable, the debugger leverages the Debug Adapter Protocol (DAP) and an innovative locator system for automatic debug session configuration. Its architecture, split into data and UI layers, ensures efficiency and scalability, laying the groundwork for future collaborative debugging. Furthermore, it features out-of-the-box inline variable values using Tree-sitter and supports keyboard-driven debugging.

(zed.dev)

Development

Robots Learn to Identify Objects by 'Blindly' Feeling Them

2025-05-13

Robots Learn to Identify Objects by 'Blindly' Feeling Them

Researchers from MIT, Amazon Robotics, and the University of British Columbia have developed a new technique enabling robots to learn an object's weight, softness, or contents using only internal sensors—no cameras or external tools needed. By picking up and gently shaking an object, the robot infers properties like mass and softness. The technique uses simulations of the robot and object, analyzing data from the robot's joint encoders to work backward and identify object properties. This low-cost method is particularly useful in environments where cameras are ineffective (like dark basements or post-earthquake rubble) and is robust in handling unseen scenarios. Published at the International Conference on Robotics and Automation, this research promises to improve robot learning, enabling faster development of manipulation skills and adaptation to changing environments.

(news.mit.edu)

AI robot perception object recognition

Major Linux Security Flaw: io_uring Bypass Leaves Security Tools Blind

2025-04-24

Major Linux Security Flaw: io_uring Bypass Leaves Security Tools Blind

ARMO researchers have uncovered a critical vulnerability in Linux's io_uring asynchronous I/O interface, rendering most runtime security tools, including Falco, Tetragon, and Microsoft Defender, unable to detect rootkits exploiting it. Attackers can leverage io_uring to bypass syscall monitoring, enabling stealthy operations. ARMO's proof-of-concept rootkit, 'Curing,' demonstrates the severity by operating entirely through io_uring. While some vendors have responded with fixes, widespread exposure remains. The research highlights the need for security vendors to adopt mechanisms like KRSI for enhanced detection capabilities.

(www.armosec.io)

Tech Linux Security

Deep Dive into JVM Startup

2025-01-09

Billy Korando from Oracle's Java team published an in-depth article on January 9, 2025, exploring the intricacies of JVM startup. The article provides a detailed look into the internal mechanisms of JVM initialization, offering valuable insights for Java developers. Readers are encouraged to check the video description for further information.

(inside.java)

Development

Game Console Prices: A Historic Anomaly

2025-08-30

Game Console Prices: A Historic Anomaly

Modern game consoles are defying historical price trends. Data shows that pre-2016 consoles typically halved in price after three years. However, today's consoles maintain around 90% of their launch price even five years later. While past consoles, like the Atari 2600 and 3DO, launched at exorbitant prices (over $1000 in 2025 dollars), they quickly dropped in price to levels comparable to current consoles within a few years. This indicates a significant deviation from historical pricing patterns in the modern gaming market.

(arstechnica.com)

Game game consoles price trends

Amazon Japan Ordered to Pay Damages for Counterfeit Products

2025-04-26

Amazon Japan Ordered to Pay Damages for Counterfeit Products

A Tokyo District Court ordered Amazon Japan G.K. to pay 35 million yen ($244,000) in damages for failing to prevent the sale of counterfeit products on its platform. Medical equipment manufacturer Try and E and its distributor, Excel Plan, sued Amazon, claiming sales losses due to counterfeit pulse oximeters. The court ruled that Amazon has an obligation to take effective measures against counterfeits, finding it negligent in failing to remove known listings. This landmark ruling sets a precedent for e-commerce platforms' responsibility in combating counterfeit goods.

(mainichi.jp)

Tech counterfeit goods legal liability

Kmart's Facial Recognition System Deemed Unlawful Privacy Breach

2025-09-22

Kmart's Facial Recognition System Deemed Unlawful Privacy Breach

Australia's Privacy Commissioner has ruled that Kmart Australia Limited's use of facial recognition technology (FRT) to combat refund fraud violated the privacy of Australians. Between June 2020 and July 2022, Kmart deployed FRT in 28 stores, collecting facial data without consent. The Commissioner found the system disproportionately invasive and that less privacy-intrusive alternatives existed. This follows a similar ruling against Bunnings, highlighting the need for businesses to prioritize privacy when implementing new technologies.

(www.oaic.gov.au)

Tech

Mysterious CSS Snippet: Deciphering a Web Layout

2025-06-04

Mysterious CSS Snippet: Deciphering a Web Layout

This CSS code snippet defines the styling for a web page layout, including styles for grid, columns, and cells. Analysis reveals extensive use of class and attribute selectors, finely adjusting properties like position, size, and background of web elements. This suggests the snippet is likely for a complex web layout, or perhaps fine-tuning an existing one. The coding style is verbose and could benefit from improved readability.

(oceana.org)

Design Web Layout

Saying Goodbye to the Docker Daemon: The Rise of Podman

2025-09-05

Saying Goodbye to the Docker Daemon: The Rise of Podman

This article reflects on the rise and security concerns of Docker container technology, introducing Podman, a daemonless container runtime. Podman addresses the security and stability issues of the Docker daemon through its streamlined architecture, enhanced security (rootless operation), and seamless integration with systemd and Kubernetes. A practical guide to migrating a FastAPI application from Docker to Podman is provided, showcasing the ease of migration and the advantages Podman offers, such as improved resource utilization and a more secure production environment.

(codesmash.dev)

Development

Formal Verification of ML Models in Lean 4

2025-03-23

Formal Verification of ML Models in Lean 4

The `formal_verif_ml` project offers a Lean 4 framework for formally verifying properties (robustness, fairness, interpretability) of machine learning models. It includes a Lean library, model translator, web interface, and CI/CD pipeline, supporting various model types. An interactive web portal lets users upload models, view generated Lean code, trigger proof compilation, and visualize the architecture.

(github.com)

AI

FreeBSD 14.1 Suspend/Resume Works Like a Charm

2025-01-13

FreeBSD 14.1 Suspend/Resume Works Like a Charm

A seasoned FreeBSD user shares the results of their suspend/resume tests on FreeBSD 14.1 using a ThinkPad W520 laptop. The tests demonstrate that suspend/resume functionality works flawlessly, mirroring the performance observed on FreeBSD 12.2. The author opted for FreeBSD 14.1 over 14.2 due to potential issues with kernel-related packages in 14.2's pkg builds, which target an older FreeBSD version.

(vermaden.wordpress.com)

Development Suspend Resume

MCP Directory: An Open-Source Minecraft Server List

2025-05-17

MCP Directory: An Open-Source Minecraft Server List

ChatMCP has launched an open-source Minecraft server list website called MCP Directory. The project utilizes a Supabase database and provides a detailed installation guide, covering steps such as cloning the repository, installing dependencies, preparing the database, and setting environment variables. Users can preview the site at https://mcp.so. Community links are also provided for user interaction and support.

(github.com)

Game Server List

Symbian: The Forgotten Million-Device OS Source Code is Now Open Source

2025-07-17

Symbian: The Forgotten Million-Device OS Source Code is Now Open Source

The once-popular Symbian operating system's source code is now open-source on GitHub. Despite Nokia's massive investment and multiple UI iterations, Symbian ultimately failed to compete with Android and iOS. This article explores Symbian's rise and fall, its current neglected state, and the possibility of porting it to ARM devices like the Raspberry Pi. Symbian's open source nature offers developers a chance to learn, explore, and potentially spark new applications and innovation.

(www.theregister.com)

Development

Wells Fargo Scandal: How a Lack of Trust Fueled Fintech Adoption

2025-07-04

Wells Fargo Scandal: How a Lack of Trust Fueled Fintech Adoption

New research reveals the 2016 Wells Fargo scandal significantly shifted consumers towards fintech lenders over traditional banks. The study, published in the Journal of Financial Economics, highlights that a lack of trust, not interest rates or fees, drove this behavioral change. Analyzing Google Trends, Gallup polls, media coverage, and financial transaction data, the study found a measurable increase in fintech mortgage usage in areas with a strong Wells Fargo presence, even with comparable loan costs. This underscores the crucial role of trust, demonstrating how institutional misconduct can accelerate fintech adoption. The lesson extends beyond mortgages, impacting any service handling personal or financial data, including AI, cloud storage, and social media.

(nerds.xyz)

Tech

Optus Firewall Upgrade Causes 14-Hour Emergency Services Outage, Potentially Leading to 3 Deaths

2025-09-22

Optus Firewall Upgrade Causes 14-Hour Emergency Services Outage, Potentially Leading to 3 Deaths

An Optus firewall upgrade caused a 14-hour outage of emergency services (Triple Zero, 000) in Australia. Initial monitoring failed to detect the issue, and it wasn't until a customer reported the problem that Optus realized the severity. The CEO, Stephen Rue, stated that staff may not have followed established procedures. At least three deaths are potentially linked to the outage, with victims believed to have attempted to contact emergency services during the downtime. Optus is investigating and has expressed remorse, vowing to improve its emergency service protocols.

(www.theregister.com)

Tech emergency services

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