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China to Host World's First Human-Robot Marathon

2025-01-20

China to Host World's First Human-Robot Marathon

Beijing will host the world's first human-robot half-marathon in April, with dozens of humanoid robots competing alongside 12,000 human runners in a 21km race. This event showcases China's push to develop AI and robotics to address an aging population, declining birth rates, and compete with the US in technological advancement. Robots from over 20 companies will participate, with prizes awarded to the top finishers.

(www.scmp.com)

Tech human-robot marathon

Building a Polite and Fast Web Crawler: Lessons Learned

2025-01-05

Mozilla engineer Dennis Schubert found that 70% of Diaspora's server load stemmed from poorly-behaved bots, with OpenAI and Amazon contributing 40%. This article details the author's experience building a polite and fast web crawler, covering rate limiting, respecting robots.txt, minimizing refetching, and efficient enqueuing. Using Python and gevent, the author assigns a coroutine per domain for rate limiting and leverages Postgres for efficient queue management and deduplication. This design allows for fast and efficient crawling while respecting target websites.

(cameronboehmer.com)

Development web crawler rate limiting concurrency

NBA's 3-Point Boom: 12 Potential Solutions Ranked

2024-12-28

NBA's 3-Point Boom: 12 Potential Solutions Ranked

The 2024-25 NBA season has seen a dramatic increase in three-point attempts, leading to concerns from fans and the league alike. This article explores twelve potential solutions to address this issue, ranging from adjusting the three-point line to altering the scoring system. Options like moving the three-point line further back, capping three-point attempts, and adding a four-point line all present drawbacks. A shift in scoring (four points for threes, three for twos) is suggested as a potentially better solution, although it would impact historical records. The article concludes that the NBA needs to proactively address this trend to maintain the game's excitement and long-term health.

(www.cbssports.com)

Game Three-Point Shooting Rule Changes

Beyond Vector Databases: Efficient Text Embedding Processing with Parquet and Polars

2025-02-24

Beyond Vector Databases: Efficient Text Embedding Processing with Parquet and Polars

This article presents a method for efficient text embedding processing without relying on vector databases. The author uses Parquet files to store tabular data containing Magic: The Gathering card embeddings and their metadata, and leverages the Polars library for fast similarity search and data filtering. Polars' zero-copy feature and excellent support for nested data make this approach faster and more efficient than traditional CSV or Pickle methods, maintaining high performance even when filtering the dataset. The author compares other storage methods such as CSV, Pickle, and NumPy, concluding that Parquet combined with Polars is the optimal choice for handling medium-sized text embeddings, with vector databases only becoming necessary for extremely large datasets.

(minimaxir.com)

Development text embeddings

California Passive House Survives Wildfire: Design Details Save the Day

2025-01-16

California Passive House Survives Wildfire: Design Details Save the Day

Amidst the devastating California wildfires, a 2024-built passive house stood unscathed. Architect Greg Chasen attributes its survival to fire-resistant design features aligned with passive house principles. These include the absence of eaves and overhangs, a metal roof with fire-resistant underlayment, and a vegetation-free protected zone. The airtight construction prevented embers from entering, while high-performance glazing and insulation provided further protection. While passive houses have higher upfront costs, their energy efficiency and fire resilience make them an increasingly attractive option.

(www.yahoo.com)

Tech Passive House Fire Resistance

The AI Bottleneck: It's Not Intelligence, It's Context Engineering

2025-08-16

The AI Bottleneck: It's Not Intelligence, It's Context Engineering

While large language models (LLMs) are achieving remarkable feats in mathematics, even matching International Mathematical Olympiad gold medalists, their performance in everyday enterprise applications lags significantly. The article argues that the bottleneck isn't the models' intelligence, but rather the specification of tasks and context engineering. Mathematical problems have clear specifications, while real-world tasks are fuzzy and full of implicit constraints. Improving AI hinges on building better context engines and task specifications, requiring breakthroughs in data acquisition, model training, and continuous learning. In the short term, AI will yield astounding results in science; long-term, broad corporate automation still faces the challenge of overcoming the specification and context engineering hurdles.

(latentintent.substack.com)

AI AI bottleneck

Andrej Karpathy's Deep Dive into LLMs: A TL;DR

2025-02-10

Andrej Karpathy's Deep Dive into LLMs: A TL;DR

Andrej Karpathy recently released a 3.5-hour video detailing the inner workings of Large Language Models (LLMs) like ChatGPT. This summary covers key aspects, from pretraining data acquisition and tokenization to inference, fine-tuning, and reinforcement learning. It explains how LLMs learn patterns from internet text during pretraining and how supervised fine-tuning and reinforcement learning improve response quality and reduce hallucinations. The summary also touches upon concepts like 'working memory' and 'long-term memory', tool use, and self-awareness, and offers a glimpse into the future of LLMs, including multimodal capabilities and autonomous agent models.

(anfalmushtaq.com)

AI

Apple's iOS 26 Beta Drops: Liquid Glass Design Makes a Splash

2025-07-25

Apple's iOS 26 Beta Drops: Liquid Glass Design Makes a Splash

Apple has released the first public betas of its next major software updates, including iOS 26, iPadOS 26, macOS Tahoe 26, watchOS 26, and tvOS 26. The standout feature is the new "Liquid Glass" design language, inspired by visionOS and characterized by extensive use of transparency. Initial developer betas saw significant changes, leading Apple to refine the translucency and Control Center design. The update also simplifies versioning, using '26' across the board for easier identification of the latest software.

(www.theverge.com)

Tech Apple Software Update

JavaScript Date Object UTC Trap: Missing Data in Japan

2025-07-30

A seemingly simple JavaScript date filter caused the loss of backend data for Japanese users before 9 AM. The reason? `new Date('YYYY-MM-DD')` creates a date object at midnight UTC, which is 9 AM in Japan (UTC+9). Therefore, 'greater than January 1st' actually meant 'greater than 9 AM on January 1st'. The fix involved explicitly setting the time to midnight to avoid the UTC default.

(senhongo.com)

Development Date

AI Writing Assistants Homogenize Global South Writing Styles

2025-05-02

AI Writing Assistants Homogenize Global South Writing Styles

A Cornell University study reveals that AI writing assistants may homogenize writing styles toward Western norms, particularly impacting billions of users in the Global South. The study found that Indian and American users' writing became more similar when using an AI assistant, primarily at the expense of Indian writing styles. While both groups experienced increased writing speed, Indians saw less productivity gain due to frequent correction of AI suggestions. The AI often suggested American foods and holidays, even replacing Indian celebrities with Western ones. Researchers term this 'AI colonialism,' urging tech companies to focus on cultural nuances for more inclusive AI tools.

(news.cornell.edu)

AI Language

SumatraPDF Dev Ditches std::function After 16 Years, Rolls His Own

2025-06-15

SumatraPDF Dev Ditches std::function After 16 Years, Rolls His Own

After 16 years of C++ development on SumatraPDF, the author abandoned `std::function` and lambdas due to debugging difficulties. Crash reports were hard to decipher because of the auto-generated names of compiler-generated lambda functions. He created simpler, custom callback functions `Func0` and `Func1`. While less feature-rich than `std::function`, they offer significant advantages in memory footprint and compilation speed, and are easier to debug. This post details the design and implementation of `Func0` and `Func1`, and explains why this approach better suits SumatraPDF's needs.

(blog.kowalczyk.info)

Development callbacks

PCalc: A 20-Year Journey of a Calculator App

2025-01-07

PCalc, a seemingly simple calculator app, boasts a remarkable 20-year history. It began as a university project, initially designed as a central heating control panel! The author then transformed it into a programmer's calculator, releasing it as freeware in 1992. Through numerous iterations and platform ports, PCalc now graces iOS, Mac, and Apple Watch, incorporating innovative features. The story behind it is filled with passion for technology, connections with Apple, and a tribute to the late science fiction author Douglas Adams.

(www.pcalc.com)

Development app development

Dav1d Performance Boost: Cacheline Alignment Optimizations

2025-05-26

A developer significantly improved the performance of the Dav1d video decoder by optimizing the memory alignment of its structures. By rearranging structure members and using more compact data types, memory fragmentation was reduced, achieving optimal 8-byte alignment on 64-bit processors. Benchmark results showed a roughly 0.5% and 2.8% reduction in decoding time for 1080p and 4K videos, respectively. This optimization highlights the importance of meticulous memory management for performance gains and offers valuable insights for optimizing other C/C++ projects.

(code.videolan.org)

Development C/C++ optimization memory alignment

EU to Ban Anonymous Crypto Accounts by 2027

2025-05-05

EU to Ban Anonymous Crypto Accounts by 2027

The European Union is set to implement sweeping Anti-Money Laundering (AML) rules, banning privacy-preserving tokens and anonymous cryptocurrency accounts starting in 2027. Credit institutions, financial institutions, and crypto-asset service providers (CASPs) will be prohibited from maintaining anonymous accounts or handling privacy coins like Monero (XMR) and Zcash (ZEC). The regulation also increases oversight of CASPs, with direct AML supervision for those operating in at least six member states. This is part of a broader EU push to regulate the crypto industry.

(cointelegraph.com)

Tech AML

Pimosa: All-in-One Video, Photo, & Music Editing App

2025-01-04

Pimosa: All-in-One Video, Photo, & Music Editing App

Pimosa is an all-in-one video, photo, and music editing app for macOS and Windows boasting over 20 tools. Features include video compression, conversion, resizing, merging, flipping, rotating, and speed adjustment; audio conversion, merging, extraction, and metadata editing; and image compression, conversion, resizing, and basic editing. Batch processing, built-in players, and a clean UI are highlights. User reviews are overwhelmingly positive, praising its efficiency and convenience.

(pimosa.app)

Development video editing image editing audio editing

Enhanced Windows 7 SP2: A Revamped Experience, Proceed with Caution

2025-03-26

Enhanced Windows 7 SP2: A Revamped Experience, Proceed with Caution

A project called Windows 7 Service Pack 2 aims to revitalize older Windows 7 systems with updates and enhancements. Currently unfinished, it only supports 64-bit systems and excludes ESU updates and custom GPU drivers. Installation requires careful attention; improper steps may brick your system. Currently, ISO images are available for clean installs, with an in-place installer planned for later. The team emphasizes limited RAID/Intel RST support and no 32-bit support.

(github.com)

Development 64-bit System

Mysterious Light in Brussels Mausoleum: Coincidence or Design?

2025-06-11

Mysterious Light in Brussels Mausoleum: Coincidence or Design?

Every June 21st at midday, a shaft of light pierces the roof of a mausoleum in Brussels' Laeken Cemetery, creating a heart of light. It's unclear whether this was intentional. The tomb's occupants died in 1916 and 1919, with the mausoleum built in 1920. The designer is little known, and plans don't mention the light. The article also features a poem inscribed on the monument of Sir Lawrence Tanfield (d. 1625), expressing his wife's love and grief.

(www.futilitycloset.com)

Misc historical mystery mausoleum design light phenomenon

Jellyfin: Open Source Media Server, Free, Privacy-Focused, and Community-Driven

2025-02-15

Jellyfin: Open Source Media Server, Free, Privacy-Focused, and Community-Driven

Jellyfin is a completely open-source media server software, licensed under the GNU GPL, meaning you can use, study, modify, build, and distribute it for free. The project relies entirely on volunteer contributions and is completely free to use, with no tracking, phone-home features, or central servers collecting your data. Jellyfin's server and official clients are free to download, now and always, with all operational costs covered by user donations.

(jellyfin.org)

Development media server

DuckDB 1.4.0 “Andium” Released: Database Encryption, MERGE Statement, and Iceberg Writes

2025-09-16

DuckDB 1.4.0 “Andium” Released: Database Encryption, MERGE Statement, and Iceberg Writes

DuckDB v1.4.0, codenamed "Andium," is now available! This LTS release offers one year of community support and includes several key features: database file encryption using industry-standard AES, a new MERGE statement for flexible upsert operations (without requiring primary keys), and support for writing to Iceberg data lakes. Performance improvements, a new window function, and enhanced macOS support are also included. This release marks a significant step forward in DuckDB's capabilities and stability.

(duckdb.org)

Development LTS Release

EU-US Energy Deal: A Farce of Energy Independence?

2025-09-16

EU-US Energy Deal: A Farce of Energy Independence?

The energy deal struck between EU Commission President Ursula von der Leyen and the Trump administration is facing heavy criticism. The agreement promises massive US LNG exports to the EU, but analysts warn this will create long-term energy dependence on the US, hindering the EU's renewable energy transition. The US Energy Secretary confirmed this is a long-term shift, not a temporary measure. Internal EU concerns are rising, arguing the deal contradicts the EU's energy independence and climate goals, labeling it a “surrender deal.” While the EU has successfully moved away from Russian gas, over-reliance on US energy poses new energy security risks and wastes funds on potentially unnecessary fossil fuel infrastructure.

(davekeating.substack.com)

Tech

DARPA's Shifting Sands: Three Variables Shaping its History

2025-01-06

DARPA's Shifting Sands: Three Variables Shaping its History

This article explores three key factors shaping DARPA's operational model throughout its history: the level of organizational oversight, the source of project visions (office directors vs. PMs), and the timeline for project payoffs. Using early computing projects as examples, it analyzes how increased bureaucracy and procurement rules after the Vietnam/Watergate era impacted project management. It also contrasts director-driven visions with the autonomy of individual PMs in shaping project direction, and examines how differing attitudes towards payoff timelines and military-focused mandates influenced project selection and execution. Understanding these factors is crucial for interpreting DARPA's historical successes and failures.

(www.freaktakes.com)

Tech technology policy

Scheduled Reboots: A Preventative Approach

2024-12-13

A university research team faced a challenging sysadmin problem: their servers had been running for too long and needed rebooting, but frequent reboots disrupt user experience. Their default was to avoid reboots, but a recent large-scale reboot due to prolonged uptime forced a change. To prevent similar issues, they've decided on a yearly reboot schedule—at least three times a year, aligning with the university's teaching schedule—balancing preventative maintenance with user experience.

(utcc.utoronto.ca)

Development server maintenance system administration scheduled reboots

AI-Powered Actionable Intelligence Boosts Team Productivity

2025-06-03

AI-Powered Actionable Intelligence Boosts Team Productivity

A company leveraged AI to analyze its internal data (Jellyfish) and gain deep insights into team performance. The AI didn't just return raw metrics; it analyzed potential reasons for performance patterns, connected insights across different data points (linking productivity to investment levels and timelines), and offered actionable suggestions. For instance, it identified that lower productivity stemmed from a team split across multiple investment categories and recently initiated projects. Further, it analyzed PR cycle times, pinpointing team members with heavier review burdens, and suggested process improvements. Connecting additional data sources allowed seamless integration of data analysis with real-time process improvement suggestions, shifting from 'what does the data show?' to 'how can we improve?'

(jellyfish.co)

Development

Kevin Kelly: Rejecting Unicorns, Embracing a Multifaceted Life

2025-07-04

Kevin Kelly: Rejecting Unicorns, Embracing a Multifaceted Life

This article recounts the author's meeting with tech visionary Kevin Kelly, prompting reflection on their own career path. Kelly, known for his diverse career—from Whole Earth Catalog editor to Wired co-founder and insightful futurist—has never pursued a single goal, instead continuously exploring various interests. The conversation with Kelly sparked a re-evaluation of the definition of 'success,' questioning the tech industry's obsession with singular focus and relentless pursuit, ultimately seeking a work style that combines ambition with joy.

(joincolossus.com)

Startup

Prehistoric Symbols Rewrite the Story of Writing

2025-09-21

Prehistoric Symbols Rewrite the Story of Writing

Challenging the long-held belief that Sumerians invented writing around 3400 BCE, new research suggests prehistoric humans used a consistent system of symbols thousands of years earlier. These symbols, found across multiple European caves, consist of simple shapes like dots, lines, and triangles. This suggests a far earlier development of symbolic thinking and information exchange than previously thought, potentially hinting at an ancient global network of communication. The discovery redefines our understanding of writing's origins and implies advanced cognitive abilities in early humans.

(www.openculture.com)

Tech Prehistoric symbols Writing origins Human cognition

First High-Def Moon Sunset Photos Captured by Private Lander

2025-03-22

First High-Def Moon Sunset Photos Captured by Private Lander

Firefly Aerospace's Blue Ghost lunar lander has captured the first high-definition images of a sunset on the moon, including a shot with Venus in the distance. The first private spacecraft to land upright and complete its entire mission, Blue Ghost collected science data for five hours into the lunar night before succumbing to lack of solar power. One image shows a unique horizon glow, possibly related to a theory about levitating dust proposed decades ago. While the lander's drill didn't reach its planned depth, NASA considers the mission a success. Attempts to reactivate the lander are planned for early April, though success is unlikely.

(phys.org)

Tech Moon Sunset Private Spacecraft

Ephemeral Database Access with GitHub Actions and S3

2024-12-12

This article presents a clever method for running a temporary database using GitHub Actions for ephemeral compute and S3 object storage for persistence. Spin up a MySQL-compatible database on demand, store data in S3, and automatically tear it down when finished, eliminating ongoing costs. A secure tunnel allows public access for integration tests, demos, or short-term development. Important: This approach is suitable only for short-term tasks; it's not designed for long-running database services.

(wesql.io)

Development Database

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

2025-01-16

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.

(arxiv.org)

AI long-term memory attention mechanism

2024 in Math: Breakthroughs and the Rise of AI

2024-12-20

2024 in Math: Breakthroughs and the Rise of AI

2024 was a landmark year for mathematics, marked by a series of significant breakthroughs. A team of nine mathematicians proved the geometric Langlands conjecture—an 800-page proof hailed as a crowning achievement—connecting disparate areas of mathematics. Further major advances were made in geometry, solving long-standing conjectures and providing surprising counterexamples. Concurrently, artificial intelligence made major strides, with Google DeepMind's AlphaProof achieving remarkable results in the International Mathematical Olympiad, hinting at AI's potential as a 'copilot' for future mathematical research. These achievements underscore not only the significant progress in mathematical understanding but also the transformative potential of AI in shaping the field's future.

(www.quantamagazine.org)

AI mathematical breakthroughs geometric Langlands program

Dijkstra's Scathing Reviews of the Ada Language Proposals

2025-05-22

Dijkstra's Scathing Reviews of the Ada Language Proposals

Edsger Dijkstra, Turing Award winner, reviewed four proposals for the Ada programming language (red, green, blue, and yellow). He called the red proposal 'both advanced and backward in such an incongruous manner that I am baffled'. The green proposal was deemed to show 'technical incompetence, probably enhanced by dishonesty'. The blue proposal was 'unacceptably complex', with documentation described as an 'inextricable mixture of technical documentation and sales talk'. Ultimately, Dijkstra famously worried about Western security relying on the winning green proposal, even suggesting he'd feel safer if the Soviet Red Army adopted it instead. This anecdote highlights Dijkstra's unwavering commitment to rigorous technical standards and clear design in software engineering.

(craftofcoding.wordpress.com)

Development

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