The term "Tornado family" can refer to a few different contexts, but it most commonly pertains to either: 1. **Meteorology**: In meteorological terms, a "Tornado family" often describes a series of tornadoes that occur within the same storm system or weather event. Tornadoes can sometimes form in succession or in the same geographic area during a severe weather outbreak, and these may be referred to as part of a "family" because they share similar characteristics and conditions.
An Apollonian network is a type of geometric network that is constructed using a recursive process based on the properties of triangular tiling. It begins with a single triangle, which is then subdivided into smaller triangles recursively. The network has a rich structure and exhibits fractal characteristics, making it interesting in the study of complex networks.
Kinetic triangulation is a concept from computational geometry that deals with the dynamic problem of maintaining the properties of a triangulation of a set of points in motion. Specifically, it refers to the process of efficiently updating the triangulation structure as the points in the plane change their positions over time.
A triangle mesh is a type of geometric representation commonly used in computer graphics, 3D modeling, and computational geometry. It consists of a collection of triangular faces that define a 3D shape or surface. Each triangle is typically defined by three vertices, which are points in 3D space, and the edges connecting these vertices.
The Even Circuit Theorem, often referred to in the context of graph theory and circuit design, primarily deals with the properties of circuits within graphs. While the term itself may not be universally defined across all disciplines, it is likely related to concepts in electrical engineering and theoretical computer science, where circuits can be represented as graphs. In general terms, in a graph: - A circuit (or cycle) is a closed path where no edges are repeated.
The Geiringer–Laman theorem is a result in the field of graph theory and combinatorial geometry, specifically concerning the rigidity of frameworks. The theorem provides a criterion for determining when a certain kind of graph, known as a "framework", can be considered rigid, meaning that its vertices cannot be moved without distorting the distances between them.
The Planar Separator Theorem is a concept in computational geometry and graph theory which states that for any planar graph, it is possible to partition the vertices of the graph into three disjoint sets: X, Y, and S. The sets have the following properties: 1. **Small Separator Size**: The size of the set S (the separator) is proportional to the square root of the number of vertices in the graph.
Wagner's theorem is a result in graph theory that provides a characterization of planar graphs. Specifically, it states that a graph is planar if and only if it does not contain a subgraph that is a subdivision of the complete graph \( K_{5} \) (the complete graph on five vertices) or a subdivision of the complete bipartite graph \( K_{3,3} \) (the complete bipartite graph with three vertices in each part).
Here’s a list of some notable star systems located within the distance range of 55 to 60 light-years from Earth: 1. **Luyten 726-8** (also known as **GJ 725**) - This binary system contains two red dwarf stars, Luyten 726-8A and Luyten 726-8B.
"The Lucifer Principle: A Scientific Expedition into the Forces of History" is a book written by Howard Bloom, published in 1995. In this work, Bloom explores the concept of evil and its origins within human nature and society. He proposes that the forces that drive human behavior, including aggression, competition, and the darker aspects of our psychology, are deeply rooted in biological and evolutionary processes.
The Net-Map toolbox is a participatory research tool designed to facilitate stakeholder analysis and network mapping. It is primarily used in the contexts of governance, development, and policy-making to visualize the relationships and influence among various actors involved in a particular issue or system. The main components of the Net-Map toolbox typically include: 1. **Mapping Relationships**: Participants create visual maps that illustrate connections between different stakeholders, including their roles, interests, and the nature of their interactions.
A sociogram is a visual representation of social relationships within a group. It is often used in fields like sociology, psychology, and education to illustrate and analyze interpersonal dynamics, social structures, and group interactions. Sociograms can help identify patterns of communication, friendship, influence, or social hierarchies. Typically, a sociogram uses nodes (which represent individuals or entities) and edges (which represent relationships or interactions between them).
Structural cohesion refers to the degree to which components within a system or structure are interrelated and contribute to the overall function of that system. This concept is often discussed in the context of various fields such as software engineering, organizational behavior, and structural design. 1. **In Software Engineering**: Structural cohesion is one of the levels of cohesion that measures how closely related and focused the responsibilities of a single module or component are.
Threshold temperatures refer to specific temperature points that are critical in various scientific fields, including ecology, agriculture, and climate science. These temperatures can indicate the limits at which certain biological processes occur, such as growth, reproduction, or survival of organisms. Here are a few contexts in which threshold temperatures are relevant: 1. **Agriculture**: In crop science, threshold temperatures may refer to the minimum or maximum temperatures at which certain plants can grow or yield effectively.
A "vactrain," short for vacuum train, is a proposed mode of transportation that involves a train traveling in a low-pressure or vacuum tube. The concept is designed to reduce air resistance and friction, allowing the train to reach high speeds with greater energy efficiency compared to conventional trains. Key features of vactrain technology include: 1. **Vacuum Environment**: The train operates within a sealed tube that maintains a low-pressure environment, significantly reducing aerodynamic drag.
The balance point temperature refers to a specific temperature at which a building's heating system is neither required to add heat nor is any heat lost from the structure. In other words, it is the outdoor temperature at which the heat being lost from a building through its envelope (walls, roof, windows, etc.) is equal to the amount of heat generated by internal sources (such as occupants, appliances, and lighting) as well as any passive solar gains.
Optothermal stability refers to the ability of a material or system to maintain its structural, optical, and thermal properties under varying temperature and light conditions. This concept is particularly important in fields such as materials science, optics, nanotechnology, and photonics, where the performance of materials and devices can be significantly affected by temperature fluctuations and exposure to light.
The Ostwald–Freundlich equation is a relationship used in the study of adsorption phenomena, particularly in physical chemistry and materials science. It provides a way to express the dependence of the amount of a substance adsorbed on a solid surface at a given temperature and pressure.
As of my last knowledge update in October 2021, "Music Write" does not refer to a widely-recognized concept, software, or product specifically. However, the phrase could be interpreted in a few different contexts: 1. **Music Composition Tools**: It might refer to software or applications designed to help musicians and composers write music. These tools often provide features for composing, arranging, and notating music.
Notation Composer is a music notation software designed to facilitate the creation, editing, and playback of sheet music. It allows users to compose music using a user-friendly interface, providing tools for inputting notes, arranging scores, and adding dynamics and articulations. Features often include support for MIDI input, various music symbols, text annotations, and advanced playback options. Notation Composer is particularly aimed at both amateur musicians and professionals who want to write and share music easily.

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!
We have two killer features:
  1. 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-calculus
    Articles 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/derivative
  2. 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.
    Figure 2.
    You can publish local OurBigBook lightweight markup files to either https://OurBigBook.com or as a static website
    .
    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.
  3. https://raw.githubusercontent.com/ourbigbook/ourbigbook-media/master/feature/x/hilbert-space-arrow.png
  4. Infinitely deep tables of contents:
    Figure 6.
    Dynamic article tree with infinitely deep table of contents
    .
    Descendant pages can also show up as toplevel e.g.: ourbigbook.com/cirosantilli/chordate-subclade
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