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Solarpunk: A Hopeful Vision for a Sustainable Future

2025-03-03
Solarpunk: A Hopeful Vision for a Sustainable Future

Solarpunk is more than a sci-fi subgenre; it's a socio-cultural movement encompassing literature, art, fashion, and activism. Central to solarpunk is the vision and pursuit of a sustainable future deeply intertwined with nature and community. Rejecting dystopian narratives, it embraces renewable energy, DIY ethics, and counter-cultural elements of punk like rebellion and post-capitalism. In stark contrast to cyberpunk's depiction of technological alienation and social injustice, solarpunk offers a hopeful vision of technology harmoniously integrated with nature. From literature and art to architecture and lifestyle, solarpunk is shaping a new cultural paradigm.

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(en.wikipedia.org)
Design Utopian Fiction

German Navy Ships Sabotaged, Raising Concerns About Russia

2025-02-14
German Navy Ships Sabotaged, Raising Concerns About Russia

Germany's Inspector of the Navy announced Tuesday that multiple German warships were sabotaged. This follows a report by Süddeutsche Zeitung detailing metal shavings found in the engine system of a new corvette. While not explicitly accusing any party, the naval chief warned of a growing threat from Russia. The incidents follow a string of suspicious fires and explosions at German ammunition facilities and factories, raising concerns about potential Russian involvement and the escalating threat to German and NATO security. Investigations are ongoing, but the sabotage points to a potential deliberate act of aggression.

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(www.businessinsider.com)
Tech German Navy

Spectral JPEG XL: Crushing Spectral Image File Sizes by 10-60x

2025-03-29
Spectral JPEG XL: Crushing Spectral Image File Sizes by 10-60x

Researchers have developed a new technique leveraging JPEG XL to compress spectral images by a remarkable 10 to 60 times, shrinking them to sizes comparable to regular high-quality photos. The method prioritizes discarding less important high-frequency spectral details while preserving metadata and high dynamic range. Although lossy, this approach holds immense potential for scientific visualization and high-end rendering, addressing the storage and transfer challenges posed by massive spectral image files.

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(arstechnica.com)
Tech spectral imaging image compression

FSF40 Photo Contest: Celebrating 40 Years of Free Software

2025-08-24

To celebrate its 40th anniversary, the Free Software Foundation (FSF) is holding a photo contest, inviting global free software supporters to share how they use free software daily. Prizes include a grand prize FSF40 T-shirt, a second-place "Fight for your user rights" bag, and a third-place free software sticker pack. Entries close August 31, 2025, with winning photos displayed at the 40th-anniversary celebration in Boston, MA on October 4, 2025. This is more than a contest—it's a tribute to the free software community.

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(www.fsf.org)
Development photo contest

Helix Editor Gets a File Explorer

2025-01-25
Helix Editor Gets a File Explorer

A significant update has landed in the Helix editor! Developer drybalka has integrated a file explorer with minimal code changes. This file explorer functions similarly to the Telescope file browser but cleverly leverages Helix's existing file picker, modifying only a few core files. The result is a substantial improvement in user experience, providing a much-needed file browsing capability. While currently basic, it addresses a long-standing user request and significantly enhances Helix's usability.

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(github.com)
Development File Explorer Code Editor

17th Century Logarithm Calculation Hack: Scientific Notation to the Rescue

2025-06-01

This article unveils a clever method for estimating logarithms, invented by John Napier in the 17th century. The core idea leverages the logarithmic property log(a^b) = b * log(a) and scientific notation. By repeatedly calculating the 10th power, the precision gradually improves. A Python script implementing this algorithm is also provided. This ingenious method transforms complex logarithm calculations into relatively simple power operations and scientific notation manipulations, showcasing the ingenuity of early mathematicians in solving complex problems with limited computational tools.

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(obrhubr.org)
Tech logarithm scientific notation

The Rise of AI Slop: How to Fight Back and Profit

2025-01-26
The Rise of AI Slop: How to Fight Back and Profit

Blogger Ben Congdon observes the proliferation of low-quality AI-generated content, which he terms "AI slop," across the internet. While seemingly convincing at first glance, closer inspection reveals its formulaic nature and lack of originality. He argues against directly copying and pasting AI-generated content, suggesting creators should use AI tools for assistance but meticulously edit and maintain a unique personal voice. He further proposes that creating high-quality content and building a personal brand are key to remaining competitive in the age of AI, and that influencing AI training datasets can even shape the future direction of AI.

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(benjamincongdon.me)
AI

TextKit 2: Four Years Later, Not a Silver Bullet

2025-08-16
TextKit 2: Four Years Later, Not a Silver Bullet

Announced at WWDC21, TextKit 2, after four years, falls short of its promised ease of use. While the architecture is sound, the implementation is riddled with issues. NSTextContentStorage is the only viable storage implementation, severely limiting customization. Furthermore, the viewport mechanism, intended to optimize performance, results in unstable scrollbar positioning and jittering during scrolling. The author encountered numerous bugs, some unresolved for extended periods, significantly impacting user experience. In short, TextKit 2 is not a perfect text layout solution, especially for text editing UIs.

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(blog.krzyzanowskim.com)
Development Text Layout

Modular Forms: Unveiling Hidden Symmetries and Infinite Possibilities

2025-02-24
Modular Forms: Unveiling Hidden Symmetries and Infinite Possibilities

Mathematicians have discovered that modular forms, a special type of function, possess infinite symmetries stemming from their unique transformation properties on the complex plane. These transformations replicate the fundamental domain to the entire upper half-plane, relating copies through specific rules. While seemingly simple geometric operations, they hold immense power. Hecke's theory revealed that modular forms reside in specific spaces, allowing us to leverage their infinite symmetries to tackle problems like representing integers as sums of four squares. By converting sequences into generating functions, if the function is a modular form, coefficients can be precisely calculated, unlocking infinite possibilities. This provides a powerful tool for solving numerous problems in mathematics and physics.

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(www.quantamagazine.org)
Math modular forms symmetry

Inheritance: An Accidental Performance Hack

2025-05-08

Simula invented inheritance not for code reuse or extensibility, but to solve problems with its simple garbage collection and intrusive lists. Simula's GC was too simplistic to handle pointers to stack variables; to prevent crashes, it banned various parameter passing methods, limiting expressiveness. To efficiently use intrusive lists, Simula invented "prefixing" (inheritance), allowing objects to directly contain list nodes, avoiding extra memory allocation. Thus, inheritance was initially a performance optimization, not a cornerstone of OOP.

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(catern.com)
Development inheritance

Subsea Desalination: A Deep Dive into Solving the World's Water Crisis

2025-08-16
Subsea Desalination: A Deep Dive into Solving the World's Water Crisis

Facing a looming global water shortage, several companies are pioneering subsea desalination – a technology that leverages deep-ocean pressure to desalinate seawater more efficiently and sustainably than traditional methods. While cost and environmental impact remain hurdles, companies like Flocean are developing large-scale projects, promising a potential solution for city-wide water supply in the future. Further research into environmental impact and achieving cost parity with other sources remains crucial for widespread adoption.

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(www.scientificamerican.com)
Tech desalination deep sea technology water scarcity

Why LLMs Fail at Creativity: The Surprise Problem

2025-08-17
Why LLMs Fail at Creativity: The Surprise Problem

Large Language Models (LLMs) struggle with comedy, art, journalism, research, and science because they're fundamentally designed to avoid surprises. The author argues that humor, good stories, and impactful research all hinge on surprising elements that are ultimately inevitable in hindsight. LLMs, trained to predict the next word, minimize surprise, resulting in predictable and uninspired output. Improving LLMs requires a shift towards a curiosity-driven architecture that actively seeks out and interprets surprising truths, rather than simply avoiding them.

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(danfabulich.medium.com)
AI

47 Seconds of Gym Hell: How I Fixed PureGym's Broken Check-in with Apple Wallet

2025-08-16
47 Seconds of Gym Hell: How I Fixed PureGym's Broken Check-in with Apple Wallet

An iOS developer's frustration with PureGym's app (47 seconds to check in!) led him on a wild ride. He discovered laughably insecure APIs – an 8-year-old unchanging PIN was more secure than the minute-refreshing QR code. Using mitmproxy, he reverse-engineered the system, built an Apple Wallet pass using PassKit, and slashed check-in time to 3 seconds. The article details the process: reverse engineering, certificate wrestling, Swift backend development, and more. He even integrated it with Home Assistant. A humorous and technically detailed personal project highlighting the importance of user experience.

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(drobinin.com)
Development

Solving the Equality Delete Problem in Apache Iceberg: RisingWave's Approach

2025-08-13
Solving the Equality Delete Problem in Apache Iceberg: RisingWave's Approach

Apache Iceberg has become a hot topic in data infrastructure, but real-time data streaming presents challenges. Mainstream systems don't natively support writing Change Data Capture (CDC) directly into Iceberg. This article delves into Iceberg's two delete mechanisms: position delete and equality delete. Equality delete is suitable for streaming CDC but impacts query performance, and many mainstream engines don't support it. RisingWave solves this with a hybrid delete strategy (position deletes for in-batch updates, equality deletes otherwise) and schedulable compaction, enabling an end-to-end streaming CDC-to-Iceberg pipeline successfully deployed at companies like Siemens, significantly improving data availability.

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(blog.dataengineerthings.org)
Development

C++26 to Feature Compile-Time Reflection: Goodbye Boilerplate, Hello High Performance

2025-06-22

Herb Sutter has announced that C++26 will include compile-time reflection, a game-changer for C++ development. Compile-time reflection provides access to a program's own structure, enabling tasks like enumerating a class's methods. This is particularly impactful for libraries like simdjson, allowing high-speed conversion between custom data structures and JSON strings without boilerplate code. The article demonstrates generating efficient SQL insert statements using compile-time reflection, reducing boilerplate and improving code reusability and safety. While the code might look complex, the performance gains and code simplification are significant.

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(lemire.me)
Development Compile-time Reflection

Open-Source Mechanical Library: Inspiring Middle & High Schoolers in Mechanical Engineering

2025-05-02
Open-Source Mechanical Library: Inspiring Middle & High Schoolers in Mechanical Engineering

The Mechanical Library is an open-source project aiming to introduce mechanical engineering to middle and high school students. A 6-foot-tall exhibit showcases moving mechanical models demonstrating key engineering inventions. Each mechanism has a webpage explaining real-world applications, complete with photos, videos, 3D models, and Lego models. The project hopes to spark curiosity about how things work, support STEM education, and provide teacher resources. Currently under development, it's supported by NYCFirst.

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(mechanical-library.org)
Tech

LLMs: The Next Frontier in Code Assistance

2025-01-14
LLMs: The Next Frontier in Code Assistance

This article recounts the rapid advancement of Large Language Models (LLMs), particularly their application in code assistance. Using examples like Amazon AWS and Kubernetes, the author illustrates how small technological breakthroughs can give rise to massive industries. The author argues that LLM-powered coding assistants are poised to revolutionize software development, emphasizing the importance of high-quality data (a data moat) for superior code generation. The article concludes with an introduction to Sourcegraph's Cody, an LLM-based coding assistant leveraging Sourcegraph's powerful code search engine to build a 'cheat sheet' – the context window – for significantly improved code generation.

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(sourcegraph.com)
Development Code Assistance

WaPo Cartoonist Quits After Bezos-Trump Satire Killed

2025-01-04
WaPo Cartoonist Quits After Bezos-Trump Satire Killed

Pulitzer Prize-winning Washington Post cartoonist Ann Telnaes resigned after her satirical cartoon criticizing Amazon CEO Jeff Bezos and other tech giants for currying favor with President-elect Trump was killed by the paper. The cartoon depicted Bezos, Mark Zuckerberg, Sam Altman, and others bowing to Trump. Telnaes cited Bezos' handling of the Post, including its unprecedented decision not to endorse a presidential candidate in 2024, as undermining the free press. She stated that her role is to hold power accountable, and her inability to do so led to her resignation.

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(www.thewrap.com)
Tech free press media censorship political cartoon

Citizen Science: Analyzing Satellite Imagery of the Palisade and Eaton Fires

2025-01-09
Citizen Science: Analyzing Satellite Imagery of the Palisade and Eaton Fires

This project analyzes the Palisade and Eaton fires in Southern California in January 2025 using imagery from GOES-16 and GOES-18 satellites. Reprojected data is downloaded from UW SSEC's RealEarth program; each image is 128x128 pixels, centered at (34.1, -118.4), with 1.0 km pixels. The code combines data from both satellites for increased resolution and currently measures hotspot areas. This project showcases the accessibility of citizen science, demonstrating how publicly available data can be used for scientific research.

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(github.com)
Tech satellite imagery analysis citizen science fire monitoring

Ohm: A PEG-Based Parsing Toolkit

2025-02-11

Ohm is a powerful parsing toolkit consisting of a library and a domain-specific language (DSL). It allows you to parse custom file formats or rapidly build parsers, interpreters, and compilers for programming languages. The Ohm language is based on Parsing Expression Grammars (PEGs), a formal way of describing syntax similar to regular expressions and context-free grammars. The Ohm library provides a JavaScript interface for creating parsers, interpreters, and more from the grammars you write.

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(ohmjs.org)
Development parser

The Rise of Independent Research: Escaping Academia's Walls

2025-02-25

This article explores the resurgence of independent research, focusing on the concept of the "gentleman scientist." Historically, many prominent scientists relied on personal wealth or family funding for their work, such as Darwin and Joule. Today, academia is often seen as the sole path to research, but this isn't necessary. The article uses Norman Borlaug as an example, showing how a lack of formal training can sometimes lead to more surprising results. While independent research lacks institutional backing and makes validation harder, it also offers greater freedom and risk-taking. The author encourages more people to pursue independent research, sharing their findings publicly to contribute to society.

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(nadia.xyz)
Tech independent research academic system

Reinforcement Learning: From AlphaGo to AlphaGo Zero

2025-03-26

This article provides a comprehensive overview of reinforcement learning (RL), starting with the captivating story of AlphaGo defeating human Go champions. It explains core RL concepts like MDPs, Bellman equations, dynamic programming, Monte Carlo methods, TD learning (SARSA, Q-learning, DQN), policy gradient methods (REINFORCE, Actor-Critic, A3C), and evolutionary strategies. The article delves into the details of each algorithm, using AlphaGo Zero as a compelling case study to illustrate RL's practical applications and its power in solving complex problems.

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(lilianweng.github.io)
AI

Swiss Canton Buys Typo-Filled Domain to Fix 100k Flyer Error

2025-01-31
Swiss Canton Buys Typo-Filled Domain to Fix 100k Flyer Error

The Basel-Stadt canton in Switzerland accidentally omitted '.ch' from the URL printed on over 100,000 tax filing flyers, resulting in a '.bs' (Bahamas) domain. Instead of reprinting at a cost of roughly $100,000, they opted to purchase the erroneous domain for $1,000 and set up a redirect to the correct URL. The redirect is not yet live, pending domain registration completion.

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(techcrunch.com)
Misc domain typo printing error government efficiency

UK Watchdog to Issue New Guidance on Smart Device Data Privacy

2024-12-16
UK Watchdog to Issue New Guidance on Smart Device Data Privacy

The UK's Information Commissioner's Office (ICO) will issue new guidance addressing data privacy concerns surrounding smart home devices. A Which? report revealed that some air fryers and other smart devices sent user data to servers in China. The ICO stated that consumers feel overwhelmed by the amount of data collected and lack control over its use. New guidelines, launching Spring 2025, will cover consent procedures, privacy information provision, and tools enabling users to exercise their rights.

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(news.sky.com)
Tech data privacy information security

Babbage's Fascinating Foray into Codebreaking

2025-07-08

Charles Babbage, in his autobiography, recounts his captivating experiences with codebreaking. From a young age, he displayed a knack for easily cracking peers' ciphers, though this sometimes led to physical consequences. Babbage firmly believed any cipher could be broken, engaging in a playful challenge with a friend. His exceptional insight and patience ultimately allowed him to decipher his friend's seemingly complex code, revealing its underlying simplicity and showcasing his extraordinary talent in cryptography.

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(mathshistory.st-andrews.ac.uk)
Misc Babbage codebreaking

INFP: An Audio-Driven Interactive Head Generation Framework for Natural Dyadic Conversations

2024-12-22

ByteDance introduces INFP, a novel audio-driven interactive head generation framework. Given dual-track audio from a dyadic conversation and a single portrait image, INFP dynamically synthesizes realistic agent videos with verbal, nonverbal, and interactive cues, including lifelike facial expressions and head movements. The lightweight framework is ideal for real-time communication like video conferencing. INFP uses a two-stage process: Motion-Based Head Imitation and Audio-Guided Motion Generation. The first stage projects facial communicative behaviors into a low-dimensional latent space, while the second maps dyadic audio to these codes, enabling audio-driven generation. A new large-scale dyadic conversation dataset, DyConv, is also introduced. INFP achieves superior performance and natural interaction.

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(grisoon.github.io)
AI

Optimizing Ruby's JSON: Part 1

2024-12-18

This blog post details how the author optimized Ruby's `json` gem to become one of the fastest JSON parsers and generators. Instead of complex techniques, simple optimizations were applied based on profiling, such as avoiding redundant checks, prioritizing cheaper conditions, reducing setup costs, and using lookup tables. These improvements apply to both C and Ruby code. The optimizations significantly boosted the `json` gem's performance, making it competitive with alternatives like `oj`, reducing the need for monkey patching, and addressing stability and compatibility issues associated with `oj`.

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(byroot.github.io)
Development Performance Optimization

Windows 2: The Almost-Forgotten OS That Could Have Been the Last

2025-01-01

This article dives deep into the untold story of Windows 2.0, an often-overlooked chapter in the history of graphical user interfaces (GUIs). It explores the technical limitations of the era, the intense competition from systems like VisiOn and Apple Lisa, and the internal struggles within Microsoft that shaped the development of Windows 2.0. While lacking in abundant software, Windows 2.0 displayed surprising features like mouse support and basic multitasking. Despite nearly becoming a dead end, its lessons proved crucial for the subsequent success of Windows 3.0. The narrative weaves together technical details, historical context, and anecdotes from the development process, painting a compelling picture of this pivotal moment in computing history.

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(www.ninakalinina.com)
Tech Windows history OS development

Spellcheckers in the 1980s: A Memory War

2025-08-13

Creating a spellchecker for a new MS-DOS word processor in 1984 was a monumental challenge. Computers boasted meager memory (often just 256K), forcing programmers to employ ingenious compression techniques and algorithms to fit the dictionary and spellchecking functionality. This stands in stark contrast to today, where implementing a spellchecker is a trivial task, highlighting the enormous strides made in software engineering and computing power. The article eloquently portrays this evolution, from a months-long struggle with memory limitations to the simplicity of modern implementations.

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(prog21.dadgum.com)
Development
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