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Real-time Home Occupancy Detection with S2

2025-03-06
Real-time Home Occupancy Detection with S2

This article details a real-time home occupancy detection system built using an AMG8833 infrared thermal imaging sensor, a Raspberry Pi, and the S2 streaming data platform. The system streams sensor data to S2, which is then used by a Next.js frontend to display a live heatmap. Simple image processing determines occupancy. S2's low cost and ease of use make this a budget-friendly solution, costing around $2 per month.

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(s2.dev)
Hardware

The Art of Doing Nothing: Silencing the Inner Chatter

2025-04-06
The Art of Doing Nothing: Silencing the Inner Chatter

On a rainy Saturday in Montreal, the author finds himself at home with nothing to do, yet his mind is relentlessly generating tasks, preventing him from finding peace. The article likens this internal anxiety to a nagging friend, "Becky," who constantly urges him to do this and that. The author ultimately realizes he is not his thoughts; he can selectively ignore them, like dealing with an annoying friend, achieving a state of "doing nothing," escaping unproductive busyness, and enjoying peaceful moments.

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(shilin.ca)
Misc anxiety

Transformers and Quantum Mechanics: A Striking Resemblance

2025-02-11
Transformers and Quantum Mechanics: A Striking Resemblance

A researcher has discovered striking similarities between the Transformer architecture and quantum mechanics. Tokens, before context clarifies their meaning, exist in a state of semantic superposition, similar to particles in quantum mechanics. Self-attention mechanisms bind words across sentences like quantum entanglement, and embedding vectors behave like probability wave functions, eventually collapsing into definite interpretations. While not perfectly analogous, the similarities are too significant to ignore, potentially revealing the secrets behind the power of Transformers.

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(robleclerc.substack.com)
AI Quantum Mechanics

AI Cheating Sweeps College Campuses: The Silent Revolution in Education

2025-05-07
AI Cheating Sweeps College Campuses: The Silent Revolution in Education

The proliferation of generative AI has led to unprecedented levels of cheating in colleges and universities. Students are using tools like ChatGPT to complete assignments, exams, and even papers, leaving professors struggling to cope. AI detection tools are limited in effectiveness, and students have found various ways to circumvent them. This article explores the impact of AI cheating on education, and the responses and reflections of both universities and students. The story of a student who used AI to cheat and then founded an AI-assisted learning tool illustrates the complexity and future direction of this phenomenon.

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(nymag.com)
Misc

Hagakure: Death, Loyalty, and the Way of the Samurai

2025-05-22
Hagakure: Death, Loyalty, and the Way of the Samurai

This excerpt from Hagakure explores the Bushido code. The author emphasizes that the essence of Bushido lies in readiness for death and unwavering loyalty to one's master. Through historical anecdotes and philosophical reflections, the text details the virtues of loyalty, courage, self-discipline, and proper conduct expected of a samurai, showcasing the depth and intensity of the Bushido ideal.

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(hagakure.space)
Misc Bushido Loyalty

rapidhash: Blazing Fast, High-Quality, Platform-Independent Hash Function

2025-05-17
rapidhash: Blazing Fast, High-Quality, Platform-Independent Hash Function

rapidhash, the official successor to wyhash, is an extremely fast, high-quality, and platform-independent hash function. It surpasses 70GB/s on Apple's M4 CPUs and passes all tests in both SMHasher and SMHasher3. Optimized for AMD64 and AArch64, it's compatible with gcc, clang, icx, and MSVC, without relying on machine-specific instruction sets. Collision probability is exceptionally low, approaching the theoretical ideal. This makes rapidhash a superior choice for performance-critical applications.

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(github.com)
Development

Republican Poison Pill: Millions of Acres of Public Land Up for Sale

2025-06-21
Republican Poison Pill: Millions of Acres of Public Land Up for Sale

Following the passage of the disastrous House reconciliation bill, Senate Republicans have unveiled their own version—a bill that funds President Trump's agenda by selling off vast tracts of public land. The bill mandates the sale of 2 to 3 million acres of land managed by the Bureau of Land Management and Forest Service across 11 states. Alarmingly, exemptions are minimal, leaving Wilderness Study Areas, Areas of Critical Environmental Concern, and critical habitats vulnerable. This potentially opens up over 250 million acres to sale to "any interested party."

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(www.wilderness.org)
Misc public land sale

Delve: An Enterprise-Grade Data Analytics Platform – Alpha Release

2025-06-18
Delve: An Enterprise-Grade Data Analytics Platform – Alpha Release

Delve is an enterprise-grade data analytics platform currently in alpha pre-release, licensed under the AGPL-3.0 license. It boasts robust capabilities for ingesting, analyzing, and visualizing data from various sources. Features include an interactive search interface, a pipeline-based query language, custom dashboards, and real-time alerts. Enterprise features such as role-based access control, custom app development, and extensible search commands are also included. Installation is straightforward; simply download, unzip, and run a few commands to get started. While in its early stages, Delve's powerful features and ease of use make it a promising solution for enterprise data analysis.

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(github.com)
Tech enterprise application

NASA and Axiom Space Alter Commercial Space Station Assembly Order

2024-12-29
NASA and Axiom Space Alter Commercial Space Station Assembly Order

NASA and Axiom Space have revised the assembly sequence for Axiom Space's commercial space station. The new plan prioritizes launching the Payload, Power, and Thermal Module first, enabling Axiom Station to become a free-flying destination as early as 2028, independent of the International Space Station (ISS). This accelerates Axiom Station's operational capabilities, reduces reliance on the ISS, and prepares for the ISS's decommissioning no earlier than 2030. NASA continues to support the R&D of multiple commercial space stations to maintain US leadership in microgravity research and to serve future space exploration goals.

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(www.nasa.gov)
Tech Commercial Space Station

Infrared Contact Lenses Give Humans Night Vision

2025-05-23
Infrared Contact Lenses Give Humans Night Vision

Scientists have created contact lenses that grant infrared vision to both humans and mice. These power-free lenses convert infrared light into visible light, allowing wearers to see both infrared and visible light simultaneously. The lenses use nanoparticles to convert near-infrared light (800-1600 nm) into the visible spectrum (400-700 nm), and can even differentiate between various infrared wavelengths. While currently limited to detecting infrared from LED sources, future iterations aim for improved sensitivity and resolution, potentially aiding those with color blindness. Tests showed enhanced infrared perception with eyes closed due to better eyelid penetration of near-infrared light.

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(phys.org)
Tech infrared vision contact lenses

WHOIS Sunset: RDAP Takes Over gTLD Registration Data

2025-03-17

Starting January 28, 2025, the Registration Data Access Protocol (RDAP) becomes the primary source for generic top-level domain (gTLD) registration information, replacing the sunsetting WHOIS service. RDAP offers improvements such as internationalization support, secure access, authoritative service discovery, and differentiated data access. Developed by the IETF, RDAP has been used by ICANN-accredited registrars since 2019. Users can access data via ICANN's RDAP lookup service (https://lookup.icann.org/en) or its open-source command-line client. For non-public data, use the Registration Data Request Service (RDRS) or contact the registrar directly.

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(www.icann.org)
Tech gTLD

AI-Powered Customer Success: Great Question Hiring Director of Customer Success (North America)

2025-06-06
AI-Powered Customer Success: Great Question Hiring Director of Customer Success (North America)

Great Question, a Series A B2B SaaS company backed by top-tier investors, is seeking a Director of Customer Success based in North America. This role will lead post-sale strategy and execution, driving revenue growth, building scalable systems, and guiding the CS team through a new phase of growth. The ideal candidate will have a proven track record leading CS teams in high-growth B2B SaaS environments, experience serving enterprise customers, and strong commercial acumen. Competitive salary and benefits are offered, along with the opportunity to make a real impact in the world of AI-powered customer feedback.

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(www.ycombinator.com)
Startup

Local NVMe SSDs: The Future of Cloud Databases?

2025-06-02
Local NVMe SSDs: The Future of Cloud Databases?

Cloud storage was initially designed around the limitations of older hardware, using network-attached disks to enhance durability and scalability. However, today's cost-effective NVMe SSDs offer significantly superior performance. This article demonstrates that PostgreSQL databases using local NVMe SSDs outperform AWS RDS and Aurora by several times in TPC-C and TPC-H benchmarks. While network-attached storage retains advantages in elasticity and durability, the reliability and affordability of NVMe SSDs now largely compensate, making local NVMe SSDs a compelling future for cloud databases.

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(www.ubicloud.com)
Tech Cloud Databases

Con Kolivas, Prominent Linux Kernel Dev, Quits: Insights into Desktop Linux's Challenges

2025-02-15

Con Kolivas, a renowned Linux kernel developer and anesthesiologist, recently announced his departure from kernel development. Known for his contributions to improving desktop performance, his patchsets have significantly impacted the Linux kernel. This interview delves into his reasons for leaving, exploring the complexities of the hardware and software market, the hurdles facing Linux on the desktop, and his perspective on the future. His insights offer valuable perspectives for both Linux and Windows users, highlighting the ongoing challenges in the evolution of the desktop Linux experience.

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(web.archive.org)
Development Kernel Development

Krep: Blazing Fast String Search Utility

2025-04-16
Krep: Blazing Fast String Search Utility

Krep is a performance-optimized string search utility designed for maximum throughput and efficiency when processing large files and directories. It utilizes multiple search algorithms and SIMD acceleration (when available), prioritizing speed and simplicity. Krep automatically selects the optimal algorithm, supports multi-threaded searching, memory-mapped I/O, regular expressions, and recursive directory searches, while skipping binary files and common non-code directories. Benchmarks show Krep is approximately 41.5x faster than grep and slightly faster than ripgrep.

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(github.com)
Development string search

N-Back Training: A Secret Weapon for Boosting Fluid Intelligence?

2025-07-05

Decades of cognitive neuroscience research support the effectiveness of the N-Back test. Jaeggi et al. (2008) published groundbreaking research in PNAS showing that dual N-Back training significantly improves fluid intelligence, with 19 days of training leading to improved intelligence test scores. A large-scale study by Owen et al. (2010) with over 11,000 participants confirmed that working memory training leads to task-specific improvements and some transfer to related cognitive abilities. Klingberg (2010) demonstrated that working memory training, including N-Back exercises, produces measurable changes in brain activity and can be particularly beneficial for individuals with ADHD.

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(n-back.net)
AI fluid intelligence

Twitter: A Novel Messaging Protocol

2025-01-19

In April 2009, many questioned Twitter's significance. The article argues that Twitter's importance stems from its novelty as a messaging protocol where recipients aren't specified. New protocols are rare, successful ones even rarer; think TCP/IP, SMTP, HTTP. A new protocol is inherently a big deal. However, Twitter's private ownership makes it even more unique. Interestingly, the founders' slow monetization might be an advantage. Lack of heavy-handed control makes Twitter feel like established protocols, obscuring its private ownership and likely aiding its spread.

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(paulgraham.com)
Tech Protocol

Preschoolers' Reasoning Skills Surprise Researchers

2025-03-28
Preschoolers' Reasoning Skills Surprise Researchers

A University of Montreal study reveals that preschoolers (ages 3-5) demonstrate surprisingly sophisticated reasoning skills when categorizing toys. They go beyond simple binary classification, creating multiple categories based on various criteria and even adjusting their criteria mid-task, showcasing complex mathematical reasoning. This challenges previous understandings of child cognitive development and offers new insights for early childhood education.

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(phys.org)
Development mathematical reasoning

Ford's Model T: A Genesis of Efficiency

2025-09-01
Ford's Model T: A Genesis of Efficiency

Ford's Model T wasn't an overnight success, but rather the culmination of lessons learned from its predecessor, the Model N. The Model N, with its low price and mass production of interchangeable parts, quickly dominated the market. Ford pushed further with the Model T, employing high-precision machining, single-piece casting of engine blocks, and innovative processes like stamped steel parts, significantly reducing production costs. Simultaneously, Ford pioneered the assembly line, using streamlined process management and continuous improvement to reduce car assembly time from hours to 93 minutes. This ultimately led to the mass adoption of automobiles and revolutionized manufacturing worldwide.

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(www.construction-physics.com)
Tech Assembly Line

The Hollow Center of AI: Technology vs. Human Experience

2025-05-24
The Hollow Center of AI: Technology vs. Human Experience

This article explores the unsettling feeling many have toward AI-generated content, arguing it stems not from malice but from a perceived "hollow center"—a lack of genuine intention and lived human experience. AI excels at mimicking human expression, but its inability to genuinely feel evokes anxieties about our uniqueness and meaning. Drawing on Heidegger and Arendt, the author posits technology as not merely tools, but world-shaping forces; AI's optimization logic flattens human experience. The response shouldn't be avoidance or antagonism, but a conscious safeguarding of the unquantifiable aspects of human experience: art, suffering, love, strangeness—preserving our unique place amidst technological advancement.

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(fakepixels.substack.com)
AI Human Experience

From Bash to Go: A Practical Guide to Building CLI Tools

2025-09-10
From Bash to Go: A Practical Guide to Building CLI Tools

This article is the second part of a series introducing Bash programmers to Go, focusing on building command-line tools. Starting with a simple "hello world" example, it progressively covers writing tests, handling input/output, using the io.Writer interface, avoiding global variable pitfalls, and leveraging option patterns and the `flag` package to handle command-line arguments and flags. The article culminates in a more practical CLI tool: counting duplicate lines in input text.

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(github.com)
Development

SmolLM3: A Tiny, Multilingual, Long-Context Reasoner

2025-07-09
SmolLM3: A Tiny, Multilingual, Long-Context Reasoner

SmolLM3 is a fully open-source 3B parameter multilingual language model that strikes a compelling balance between efficiency and performance. Outperforming Llama-3.2-3B and Qwen2.5-3B on various benchmarks, it even competes with larger 4B parameter models. Supporting 6 languages and boasting a context length of up to 128k tokens, SmolLM3 features a unique dual-mode reasoning capability (think/no_think). Beyond the model itself, the researchers are releasing the complete engineering blueprint, including architecture details, data mixtures, and training methodology—a valuable resource for anyone building or studying models at this scale.

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(huggingface.co)
AI long context

Michael Larabel: The Linux Benchmarking Maestro

2025-09-10

Michael Larabel, founder of Phoronix.com (2004), is a prominent figure in the Linux community. He's authored over 20,000 articles on Linux hardware support, performance, graphics drivers, and more. Beyond writing, he's the lead developer of the widely-used benchmarking tools: Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org. A true veteran of the open-source world.

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(www.phoronix.com)
Tech

OpenAI's $300B Cloud Deal with Oracle: A Five-Year Computing Powerhouse

2025-09-12
OpenAI's $300B Cloud Deal with Oracle: A Five-Year Computing Powerhouse

The Wall Street Journal reports OpenAI has inked a massive five-year, $300 billion cloud computing contract with Oracle, potentially one of the largest ever. Starting in 2027, this deal signals OpenAI's diversification away from sole reliance on Microsoft Azure. This aligns with OpenAI's involvement in the Stargate Project, a $500 billion investment in domestic data centers over four years. Despite a concurrent cloud deal with Google, the Oracle contract underscores OpenAI's exploding compute needs and strategic partnerships with multiple cloud providers.

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(techcrunch.com)
Tech

Connected Cars: Privacy's Price Tag?

2025-04-29
Connected Cars: Privacy's Price Tag?

Automakers are increasingly pushing subscription models to unlock car features, raising concerns about government surveillance. Police records reveal law enforcement's ability to access data from connected cars, with varying access levels depending on manufacturers and internet providers. This highlights how corporate policies and technology, not laws, largely determine driver privacy. GM, for example, requires court orders for location data, while others haven't responded to inquiries. Experts emphasize the role tech companies play in setting data access standards, mirroring practices seen with Google, Facebook, and Apple.

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(www.wired.com)
Tech

Airbnb's Cautious AI Approach: Customer Service First, Trip Planning Later

2025-02-15
Airbnb's Cautious AI Approach: Customer Service First, Trip Planning Later

Airbnb CEO Brian Chesky announced that the company will initially integrate AI into its customer support system, rather than directly into travel planning tools. He believes the current AI technology is still nascent, similar to the early days of the internet. While AI will offer multilingual support and efficient handling in customer service, AI-powered trip planning tools are still some time away. Airbnb plans to expand AI to search and personalized travel concierge services in the future, and anticipates that AI will gradually improve internal productivity in the coming years, particularly in customer service and engineering, leading to potential cost savings and profit growth. The company reported strong Q4 earnings, exceeding expectations.

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(techcrunch.com)
Tech Customer Service

GTA Online's 8-Year-Old Bug: A 13-Line Fix Exposes Systemic Issues in Big Tech

2025-04-08
GTA Online's 8-Year-Old Bug: A 13-Line Fix Exposes Systemic Issues in Big Tech

Programmer t0st famously fixed an eight-year-old GTA Online bug causing excruciatingly long load times, achieving a 70% reduction with just 13 lines of code. This sparked a debate about the development processes of large game companies. The article argues that the core problem isn't lazy developers, but a chaotic prioritization system, shifting code ownership, and a focus on short-term profits, leading to a massive backlog of bugs. While a PR win for Rockstar, t0st's fix didn't address the underlying systemic issues within large corporations.

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(idiallo.com)
Game

GitHub Extension Summarizes Hacker News Articles with LLMs

2024-12-12
GitHub Extension Summarizes Hacker News Articles with LLMs

The `hn-tldr-extension` GitHub project offers a browser extension that uses OpenAI and Anthropic's Large Language Models (LLMs) to quickly summarize Hacker News articles. Users provide their own API keys to enable a 'summarize' button on HN pages, providing concise article summaries. The extension's code is open-source and supports browsers like Firefox.

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(github.com)
Development browser extension large language model

UK Nuclear Investment: A Looming Decision

2025-06-07
UK Nuclear Investment: A Looming Decision

The UK government faces an urgent decision regarding nuclear power investment. The Sizewell C project and the deployment of Small Modular Reactors (SMRs) require immediate funding, and the Treasury needs to make a decision in the upcoming spending review to ensure sound financial planning. Delaying the decision will disrupt fiscal projections. Stakeholders, including government officials, energy companies, and unions, urge swift action to ensure UK energy security and supply. The ultimate allocation of SMR contracts, and whether multiple winners will be selected, will be a key indicator of the government's approach.

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(www.politico.eu)
Tech nuclear investment
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