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Cats Can Smell the Difference: How Feline Olfaction Distinguishes Between Humans

2025-05-30

Cats Can Smell the Difference: How Feline Olfaction Distinguishes Between Humans

A new study reveals that domestic cats utilize olfaction to differentiate between familiar (owners) and unfamiliar humans. Cats spent significantly longer sniffing the scent of an unknown person, displaying nostril use lateralization similar to other animals responding to novel scents. The study also found correlations between feline personality traits and sniffing behavior, but no association with the strength of the cat-owner bond. This research illuminates the complexity of feline olfactory social cognition, offering new insights into cat-human interactions.

(journals.plos.org)

AI cats olfaction social cognition

Have I Been Pwned Speeds Up Dramatically with Cloudflare Edge Caching

2025-04-23

Have I Been Pwned Speeds Up Dramatically with Cloudflare Edge Caching

Have I Been Pwned (HIBP) dramatically improved its speed and availability by caching data on Cloudflare's global edge network. Previously, each query involved a long trip to an Azure function, but now data resides close to users. This reduces latency, boosts availability, and saves costs. While new data updates clear the cache causing temporary slowdowns, the overall architecture vastly optimizes HIBP's performance, enabling it to handle billions of queries.

(www.troyhunt.com)

Tech caching

Dominion Energy's Net Metering Overhaul Threatens Virginia's Solar Future

2025-05-19

Dominion Energy's Net Metering Overhaul Threatens Virginia's Solar Future

Dominion Energy's proposed "NEM 2.0" plan drastically alters Virginia's net metering program, potentially crippling solar adoption. Instead of a 1:1 credit for excess solar energy, Dominion proposes a significantly lower export rate based on their power purchase agreements (PPAs), effectively slashing homeowner savings by up to 65%. They also aim to claim ownership of generated SRECs. This move clashes with Virginia's renewable energy goals and discourages individual solar installations. While existing systems are grandfathered, those planning to install solar should act quickly before the mid-2026 deadline. Public comment to the SCC, proactive installations, and contacting legislators are crucial to influencing the outcome.

(www.virtuesolar.com)

Tech net metering

LLM Plugin: Summarize Hacker News Threads with Ease

2025-04-08

LLM Plugin: Summarize Hacker News Threads with Ease

A new LLM plugin, `llm-hacker-news`, lets you easily summarize Hacker News conversation threads. Simply install the plugin and use the command `llm -f hn:ID 'your instruction'` (e.g., `llm -f hn:43615912 'summary with illustrative direct quotes'`) to get a summary of the thread with the specified ID (found in the thread's URL). Installation and local setup instructions are provided in the README.

(github.com)

Development

A Mathematical Theory of GPU Layouts: Applying Category Theory and Operads

2025-09-25

A Mathematical Theory of GPU Layouts: Applying Category Theory and Operads

This paper introduces CuTe, a novel approach to GPU memory layouts, and delves into the underlying mathematical theory. CuTe layouts leverage category theory and operads, employing diagrammatic computation and standard representations to solve the problem of mapping multi-dimensional data to one-dimensional GPU memory. This provides a theoretical foundation for optimizing memory access patterns and utilizing specialized hardware instructions like tensor cores. The paper focuses on the concept of tractable layouts, layout functions, and layout operations such as coalesce, complement, and composition, demonstrating how a category-theoretic framework efficiently computes layout composition.

(research.colfax-intl.com)

Development

Vanguard's No-Go on Bitcoin ETFs: A Long-Term Investor's Perspective

2025-01-26

Vanguard's No-Go on Bitcoin ETFs: A Long-Term Investor's Perspective

Vanguard recently announced it won't be launching a Bitcoin ETF or other crypto products. Their reasoning centers on Bitcoin's immaturity as an asset class, extreme volatility, and lack of inherent economic value. Vanguard views Bitcoin as speculation, not investment, unsuitable for long-term, buy-and-hold investors. They emphasize their investor-first philosophy, citing past decisions to reject leveraged/inverse funds and over-the-counter stocks as examples of prioritizing client protection.

(corporate.vanguard.com)

Tech Bitcoin ETF Long-term investing

SUMO: Build Your Virtual Traffic World

2025-07-31

SUMO: Build Your Virtual Traffic World

SUMO is an open-source microscopic traffic simulation software that lets you build and simulate complex traffic systems. It supports features like automated driving integration, C2X communication, traffic management, and multimodal traffic simulation. Import road networks from various formats and generate realistic traffic demands. Whether researching traffic efficiency or testing autonomous driving algorithms, SUMO offers powerful simulation capabilities and runs on Windows, Linux, and macOS.

(eclipse.dev)

Tech traffic simulation

Say Goodbye to Confusing Data Viz Color Schemes: Introducing a New Palette Generator

2025-09-25

Say Goodbye to Confusing Data Viz Color Schemes: Introducing a New Palette Generator

Tired of struggling with data visualization color schemes? This new palette generator lets you easily create a series of visually equidistant colors, eliminating those confusing and hard-to-distinguish color palettes. It supports custom endpoint colors and can even incorporate your brand colors, making your charts both beautiful and professional. Whether it's pie charts, grouped bar charts, or maps, it handles them all with ease. No more dealing with frustrating color schemes like those in Google Analytics!

(www.learnui.design)

Design color schemes palette generator

Earth's Water: Homegrown, Not Alien?

2025-04-20

Earth's Water: Homegrown, Not Alien?

A new study published in Icarus challenges the long-held belief that Earth's water originated from space. Researchers analyzed an enstatite chondrite meteorite, whose composition resembles early Earth. Using a synchrotron, they discovered hydrogen within the meteorite, proving it wasn't terrestrial contamination. This suggests the building blocks of Earth were far richer in hydrogen than previously thought, providing enough to account for Earth's water. The study strongly supports the theory that Earth's water is native, a natural consequence of the planet's formation, rather than a result of asteroid impacts.

(www.discovermagazine.com)

Tech Earth's water

Anthropic Unveils Claude Gov: AI for US National Security

2025-06-05

Anthropic Unveils Claude Gov: AI for US National Security

Anthropic has launched Claude Gov, a suite of AI models exclusively for US national security customers. Already deployed at the highest levels of government, access is restricted to classified environments. Built with direct feedback from government agencies, these models underwent rigorous safety testing and are designed to handle classified information, understand intelligence and defense contexts, excel in critical languages, and improve cybersecurity data analysis. They offer enhanced performance for strategic planning, operational support, intelligence analysis, and threat assessment.

(www.anthropic.com)

AI

Integer Reciprocals with Pandigital Reptends

2025-04-24

This article investigates the existence of integers whose reciprocals have a decimal representation with a recurring block of digits containing all ten decimal digits. It's shown that such integers exist (e.g., 72728). The article extends this to other bases, proving no such integers exist for odd bases. Computer searches have ruled out some even bases, but the general problem remains open. The exploration delves into number theory and group theory, providing a theoretical framework for solving this intriguing mathematical puzzle.

(www.gregegan.net)

Misc

The TikTokification of Tech: Faster, or Just Out of Control?

2025-04-11

Tech giants like Netflix and Spotify were once 'faster horses,' offering simple, user-friendly services. However, they're increasingly mimicking TikTok, shifting to algorithm-driven 'infinite channel' models that sacrifice user control and clear content libraries. The author nostalgically laments the simplicity of the past, noting this 'TikTokification' trend spreading to YouTube, LinkedIn, and even Substack, prompting reflection on user experience and the direction of innovation.

(rakhim.exotext.com)

Tech tech trends algorithm recommendation

Challenging the Big Bang: New Model Replaces Dark Matter and Dark Energy

2025-04-18

Challenging the Big Bang: New Model Replaces Dark Matter and Dark Energy

Dr. Richard Lieu from the University of Alabama in Huntsville proposes a novel cosmological model that replaces the Big Bang with a series of temporal singularities to explain the universe's expansion. This model obviates the need for dark matter or dark energy to account for the universe's accelerated expansion and the formation of structures like galaxies. It posits that the universe expands due to step-like bursts of 'transient temporal singularities' injecting matter and energy, happening too quickly to be observed. These singularities generate negative pressure, similar to dark energy, causing accelerated expansion. Future validation will involve deep-field observations using ground-based telescopes.

(phys.org)

Tech Dark Matter Dark Energy

The Rise and Fall (and Possible Rise Again?) of the US Machine Tool Industry

2025-04-08

The Rise and Fall (and Possible Rise Again?) of the US Machine Tool Industry

The US machine tool industry, once a global leader, experienced a dramatic decline in the early 1980s due to a confluence of factors: plummeting domestic demand, slow response to market volatility, Japanese dominance in CNC technology and manufacturing processes, and a strong dollar. The industry's failure to rebound stemmed from deeper issues: insufficient large firms, difficulty securing capital, a skills gap, and weak technology transfer. A RAND study suggests a three-pronged government approach—fostering cooperative networks, investing in manufacturing infrastructure, and streamlining export processes—to potentially revive the sector.

(www.rand.org)

Tech machine tools manufacturing global competition

Chicago Sun-Times Uses AI to Generate Fake Summer Reading List, Sparking Outrage

2025-05-20

Chicago Sun-Times Uses AI to Generate Fake Summer Reading List, Sparking Outrage

The Chicago Sun-Times published a fake summer reading list generated by AI in its summer supplement, causing widespread controversy. The list featured real authors but fictional book titles, drawing criticism from writers and readers alike. While the publisher explained that the supplement was generic national content and resources were limited after staff reductions, readers expressed dissatisfaction, viewing it as deceptive to subscribers and demanding accountability. This incident highlights the risks and ethical concerns of AI in news publishing, and the struggles faced by media outlets under resource constraints.

(arstechnica.com)

Tech media ethics

The Decline of Native Apps: The Rise of Web Apps

2024-12-31

The Decline of Native Apps: The Rise of Web Apps

The smartphone boom made native apps ubiquitous, but now they're becoming a burden. Modern browsers are powerful enough to offer features like notifications and offline access, once exclusive to native apps. The article argues that many businesses still cling to native apps, leading to app overload for users. In contrast, web apps are more cost-effective, flexible, and work seamlessly across devices. The gaming industry exemplifies this, with technologies like HTML5, WebGL, and WebAssembly enabling browser games to rival native ones. The article calls for developers to embrace the future of web apps, utilizing tools like Rogue Engine to create more accessible and universally usable experiences.

(rogueengine.io)

Development web apps native apps

AI-Powered Lawmaking: A Shift in the Balance of Power

2025-01-26

AI-Powered Lawmaking: A Shift in the Balance of Power

Artificial intelligence is increasingly involved in the legislative process, subtly altering the balance of power between the legislative and executive branches. The rising complexity of laws is driving legislators to utilize AI for tasks ranging from bill drafting to policy analysis, boosting efficiency. However, potential risks exist, including the manipulation of AI to favor specific interests. The article explores AI's impact on legislative efficiency and power dynamics, highlighting the ensuing challenges and opportunities.

(www.lawfaremedia.org)

Tech Legislation Power Balance

US Renewable Energy Milestone: Solar and Wind Surpass Coal

2025-04-21

US Renewable Energy Milestone: Solar and Wind Surpass Coal

A milestone has been reached in the US power sector: solar and wind power generation have surpassed coal for the first time, jointly accounting for 17% of the US electricity mix. Over the past decade, solar power generation has increased more than ninefold, reaching 9.2%, and is projected to account for over half of new US generating capacity in 2025. This shift marks a significant transformation in the US energy landscape, showcasing the unstoppable rise of clean energy.

(ember-energy.org)

Tech wind power

Beyond Autocomplete: How to Make AI Actually Understand Your Codebase

2025-04-08

The author expresses frustration with current AI coding assistants, highlighting their inability to truly understand codebases as interconnected systems. These tools often make repetitive mistakes and lack a comprehensive mental model of the project. To address this, the author developed "Prismatic Ranked Recursive Summarization" (PRRS), an algorithm that treats the codebase as a hierarchical knowledge graph, analyzing code through multiple "lenses" (e.g., architecture, data flow, security) to understand importance. This approach significantly improves AI code generation accuracy and efficiency, solving issues like file placement, pattern adherence, and code reuse. The author argues that the future of AI code generation lies in deeper codebase understanding, moving beyond simple token prediction.

(nmn.gl)

Development

US Consumer Confidence Plummets Amidst Trade War

2025-04-27

US Consumer Confidence Plummets Amidst Trade War

Major US consumer goods companies like P&G, Kimberly-Clark, and PepsiCo are slashing their annual forecasts due to declining consumer confidence and rising costs from the trade war. Tariffs are driving up company costs, forcing price increases and causing consumers to cut back on spending, particularly on dining out and non-essential items. Consumer confidence indices have fallen sharply, with people expressing concerns about the future economic outlook. While March retail sales saw a surge, this was due to consumers preemptively buying goods to avoid tariff-related price hikes; the long-term impact of the trade war on the US consumer market remains a significant concern.

(www.npr.org)

Tech consumer confidence

Verizon and AT&T Achieve Satellite Video Call Milestones

2025-02-24

Verizon and AT&T Achieve Satellite Video Call Milestones

Verizon and AT&T have each announced breakthroughs in cellphone-to-satellite video calling, partnering with AST SpaceMobile. Verizon completed its first video call from a phone to a satellite, while AT&T achieved the same using satellites destined for its commercial network. This sets up a competitive landscape against T-Mobile's SpaceX/Starlink satellite-to-cell service, which began public beta testing for satellite messaging earlier this month. AT&T and Verizon claim T-Mobile and SpaceX's offering will harm their networks. Both companies used AST's five BlueBird satellites launched last September for their tests.

(www.theverge.com)

Tech video calling

Good Friday: A Comprehensive Guide to the Day of Christ's Crucifixion

2025-04-18

Good Friday: A Comprehensive Guide to the Day of Christ's Crucifixion

Good Friday, a pivotal day in Christianity, commemorates the crucifixion of Jesus Christ. This article details the events leading up to and including his crucifixion: arrest, trial, scourging, crowning with thorns, carrying the cross, and his final words. It explains the origin of the name 'Good Friday', describing diverse global observances, including religious services, processions, and reenactments of the Passion. Unusual customs are highlighted, such as egg divination and planting traditions. Finally, the article explains the annually shifting date of Easter and outlines other Holy Week events, including Palm Sunday, Maundy Thursday, Holy Saturday, and Easter Sunday.

(www.historyextra.com)

Misc Good Friday Holy Week

National Archives Releases More UAP Records

2025-04-28

National Archives Releases More UAP Records

The National Archives has released new records related to Unidentified Anomalous Phenomena (UAP), transferred from various government agencies per the 2024 National Defense Authorization Act. These documents are now part of the NARA's UAP collection and are available online. This release reflects the Archives' commitment to transparency and ongoing updates are expected.

(www.archives.gov)

Tech National Archives

Apple's China Market Collapse: Nearly 50% Year-over-Year Drop

2025-05-14

Apple's China Market Collapse: Nearly 50% Year-over-Year Drop

Apple's iPhone shipments in China plummeted nearly 50% year-over-year in March 2025, reaching a mere 1.89 million units. Domestic brands now control 92% of the market, leaving Apple with around 8% and fifth place. Huawei's resurgence, fueled by its own chips and HarmonyOS Next, has led the charge. A Chinese government subsidy program, offering a 15% refund on electronics under 6,000 yuan ($820), also hurts Apple, as the iPhone 16 starts just above that threshold. To combat the decline, Apple is reportedly cutting prices on some iPhone 16 Pro models ahead of the "618" shopping festival. Apple CEO Tim Cook acknowledged the revenue drop from Greater China, while analysts point to Apple's slower adoption of generative AI as another factor.

(www.macrumors.com)

Tech

Ryan Gosling Joins Star Wars: A New Standalone Film Incoming

2025-04-20

Ryan Gosling Joins Star Wars: A New Standalone Film Incoming

Ryan Gosling, star of 'Barbie,' is set to join the Star Wars universe in a new standalone film titled 'Star Wars: Starfighter,' directed by Shawn Levy and slated for release in May 2027. The film, beginning production this fall, will be set five years after 'The Rise of Skywalker' but features an entirely new story and characters, exploring a previously unseen era in the Star Wars timeline. This announcement, made at Star Wars Celebration in Japan, signifies the continued expansion of the Star Wars franchise since Disney's acquisition, with numerous sequels, spin-offs, and streaming series.

(www.cnn.com)

Game Ryan Gosling New Movie

FLOAD: Facebook Video Downloader & Converter - No Signup Required!

2025-04-06

FLOAD: Facebook Video Downloader & Converter - No Signup Required!

FLOAD is a powerful Facebook video downloader and converter that requires no registration. It offers unlimited downloads and converts videos to various formats including MP3, MKV, and FLV, supporting up to 4K resolution. Utilizing multi-regional servers and CDN acceleration, FLOAD boasts fast download speeds and a user-friendly interface, compatible with popular browsers like Chrome, Safari, and Edge, as well as Windows, MacOS, Android, and iOS.

(fload.app)

Misc video converter facebook

Texas Becomes Ninth State to Pass Right-to-Repair Law

2025-06-03

Texas Becomes Ninth State to Pass Right-to-Repair Law

Texas has joined the growing number of states with right-to-repair laws after the state Senate unanimously passed HB 2963. This makes Texas the ninth state with such a law and the first with a Republican-controlled government. The bill mandates manufacturers provide spare parts, manuals, and tools for equipment sold in the state, aiming to reduce the state's substantial electronic waste (621,000 tons annually). This victory follows similar legislation in states like New York and California, signaling a broader national movement toward increased repairability and reduced e-waste.

(www.theverge.com)

Tech

The Ironic Twist: Anti-Piracy Campaign Possibly Used a Pirated Font

2025-04-25

Twenty years ago, the iconic "You Wouldn't Steal a Car" anti-piracy campaign launched. A recent discovery reveals a shocking irony: campaign materials may have used a pirated font, "XBAND Rough," a near-identical clone of Just Van Rossum's 1992 FF Confidential font. The campaign, designed to fight piracy, ironically may have employed pirated materials itself, sparking debate and highlighting the pervasive nature of copyright infringement. The original font creator finds the situation hilarious.

(torrentfreak.com)

Misc font anti-piracy campaign

ClickHouse Raises $350M Series C to Fuel AI-Native Applications

2025-05-29

ClickHouse Raises $350M Series C to Fuel AI-Native Applications

Real-time analytics database ClickHouse announced a $350 million Series C funding round, bringing its total funding to over $650 million. This investment will fuel product development, global expansion, and partnerships supporting the next wave of AI-native applications. ClickHouse's high-performance, columnar storage engine enables interactive analytical queries on massive datasets with minimal latency, powering AI/ML applications, real-time analytics, cloud data warehousing, and observability workloads. Boasting over 300% year-over-year growth and serving 2,000+ customers including Anthropic, Tesla, and Mercado Libre, ClickHouse addresses the challenge of building real-time data platforms for the AI era, positioning itself as the default engine for next-generation intelligent data products.

(clickhouse.com)

Tech

localscope: Banishing Global Variable Bugs in Jupyter Notebooks

2025-03-17

Ever hunted down bugs caused by accidentally using global variables in a Jupyter Notebook function? localscope solves this by restricting a function's accessible scope. This prevents accidental global variable leakage, leading to more reproducible results and less debugging frustration. For example, a function calculating mean squared error relying on a global `sigma` variable will yield unpredictable results if `sigma` changes; localscope forces `sigma` to be passed as an argument, eliminating this risk.

(localscope.readthedocs.io)

Development

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