The term "winged edge" is commonly used in computer graphics and computational geometry, particularly in the context of representing and manipulating polygonal meshes. A winged edge data structure is designed to efficiently store the connectivity of a mesh, particularly in 3D modeling, by capturing the relationships between vertices, edges, and faces. ### Key Features of Winged Edge Data Structure: 1. **Edge-Centric Representation**: Each edge in the mesh has several associated properties.
Reduce is a computer algebra system (CAS) that provides tools for symbolic computation. It is designed for performing algebraic manipulations such as simplification, solving equations, differentiation, integration, and polynomial algebra, among other mathematical operations. Key features of Reduce include: 1. **Symbolic Computation**: Unlike numerical software, Reduce can manipulate mathematical expressions symbolically, allowing for exact solutions and transformations.
Deep Blue vs. Garry Kasparov, Game 6, refers to the final game of the famous chess match that took place in May 1997. Deep Blue was a chess-playing computer developed by IBM, and Garry Kasparov was the reigning World Chess Champion at the time. In this historic match, Deep Blue was the first computer to defeat a reigning world champion in a match under standard chess tournament time controls.
Endgame tablebases are precomputed databases of chess positions that allow players to determine the optimal moves in specific endgame scenarios. These databases cover various combinations of pieces on the board, typically focusing on endgames with a limited number of pieces (usually up to seven, though some databases may include eight). The primary purpose of endgame tablebases is to provide complete information about the outcome of a game with perfect play from both sides.
In 1975, several computer companies were either disestablished or ceased operations. One notable example is **Digital Equipment Corporation (DEC)**, which, while not fully disestablished until later, began a decline in 1975 following the introduction of personal computers that shifted the industry landscape. Another example includes **Computer Applications Corporation**, which was involved in creating various computing and software solutions.
Several computer companies were disestablished in 1994. Some notable examples include: 1. **Commodore International** - Once one of the major players in the home computer market, Commodore filed for bankruptcy and ceased operations in 1994. The company is well-known for its Commodore 64 and Amiga computers.
The International Solar-Terrestrial Physics Science Initiative (ISTP) is a collaborative international program that focuses on the study of the interactions between the solar wind, the Earth's magnetosphere, and the ionosphere, as well as the effects of solar activity on the Earth's atmosphere and environment. The initiative aims to advance our understanding of space weather, the dynamics of the solar-terrestrial system, and the fundamental physical processes that govern these interactions.
The term "social organism" often refers to the idea that a society or social group functions similarly to a biological organism. This concept is used in various fields, including sociology, biology, and philosophy, to illustrate how individual parts (people, institutions, or communities) interact and contribute to the overall functioning and stability of the larger whole (the society).
Hydrogel encapsulation of quantum dots refers to the process of incorporating quantum dots (QDs)—nanoscale semiconductor particles with unique optical and electronic properties—into a hydrogel matrix. Hydrogel is a three-dimensional network of hydrophilic polymer chains that can hold a large amount of water and is often used for various biomedical and technological applications.
Historic surveying landmarks in the United States refer to significant geographical and historical points that serve as reference systems for land measurement and mapping in the nation's history. These landmarks often play a crucial role in understanding the development of land surveys, property rights, and the expansion of the United States.
Meades Ranch Triangulation Station is a historic geodetic control point located in the United States, specifically in Kansas. Established in the late 19th century, it served as a pivotal point for triangulation surveys, which were essential for creating accurate maps and determining geographical positioning. The station was part of a broader effort by the U.S. government to develop a national geodetic framework that would aid in mapping, navigation, and land surveying.
A measuring rod, often referred to as a measuring stick or rod, is a straight, rigid tool used to measure lengths or distances. Traditionally made from wood, metal, or fiberglass, measuring rods provide a tactile method for gauging measurements in various applications, such as construction, surveying, and woodworking.
The Accelerated Failure Time (AFT) model is a type of survival analysis model used to analyze time-to-event data. Unlike the more commonly used Cox proportional hazards model, which focuses on the hazard function (the instantaneous risk of an event occurring), the AFT model directly models the time until an event occurs, often called the "failure time.
The Continuum Structure Function is commonly referenced in the context of quantum field theory, particularly in studies involving non-perturbative aspects of quantum chromodynamics (QCD), though the term can also apply broadly in other fields such as statistical mechanics and condensed matter physics. In quantum field theory, structure functions are used to describe the distribution of energy, momentum, or other physical quantities among the constituents of a system.
Personal transporters are compact, portable vehicles designed for individual use to facilitate personal mobility. They typically include devices that operate on electronic and often battery-powered systems. Common examples of personal transporters include: 1. **Electric scooters**: These are two-wheeled vehicles powered by electric motors, allowing users to easily navigate urban environments. 2. **Segways and hoverboards**: Segways use a self-balancing mechanism, whereas hoverboards are platform-style devices that also operate through balancing techniques.
The effects of cars can be examined from various perspectives, including environmental, economic, social, and health-related aspects. Here are some key effects of cars: ### Environmental Effects 1. **Air Pollution**: Cars emit pollutants such as carbon monoxide (CO), nitrogen oxides (NOx), and volatile organic compounds (VOCs), contributing to poor air quality and respiratory issues.
The ergodic hypothesis is a concept from statistical mechanics and dynamical systems that relates to the long-term behavior of a dynamical system. It asserts that, under certain conditions, the time average of a physical quantity is equal to the ensemble average (or spatial average) over the state space of the system.
The Innovative Clean Transit (ICT) rule is a regulatory measure implemented by the California Air Resources Board (CARB). It aims to facilitate the transition of public transit agencies to zero-emission bus fleets. The rule was finalized in 2018 and supports California's broader goals of reducing greenhouse gas emissions and improving air quality.
Plan Bay Area is a long-range regional planning effort that aims to accommodate growth in the San Francisco Bay Area while promoting sustainability, equity, and economic development. Developed by the Association of Bay Area Governments (ABAG) and the Metropolitan Transportation Commission (MTC), Plan Bay Area includes strategies for land use, transportation, and housing over a 30-year horizon.
Pinned article: Introduction to the OurBigBook Project
Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
Intro to OurBigBook
. Source. We have two killer features:
- topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculusArticles of different users are sorted by upvote within each article page. This feature is a bit like:
- a Wikipedia where each user can have their own version of each article
- a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.Figure 1. Screenshot of the "Derivative" topic page. View it live at: ourbigbook.com/go/topic/derivativeVideo 2. OurBigBook Web topics demo. Source. - local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
- to OurBigBook.com to get awesome multi-user features like topics and likes
- as HTML files to a static website, which you can host yourself for free on many external providers like GitHub Pages, and remain in full control
Figure 3. Visual Studio Code extension installation.Figure 4. Visual Studio Code extension tree navigation.Figure 5. Web editor. You can also edit articles on the Web editor without installing anything locally.Video 3. Edit locally and publish demo. Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.Video 4. OurBigBook Visual Studio Code extension editing and navigation demo. Source. - Infinitely deep tables of contents:
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact





