In mathematical logic, the term "atomic model" typically refers to a model that has certain properties concerning its structure and the arithmetic of its elements. It is often associated with model theory, a branch of mathematical logic that studies the relationships between formal languages and their interpretations, or models.
A *primitive abundant number* is a specific type of integer that has a certain relationship to its divisors. An integer \( n \) is termed an abundant number if the sum of its proper divisors (the divisors of \( n \) excluding \( n \) itself) is greater than \( n \).
The Australian Integrated Forecasting System (AIFS) is a comprehensive meteorological forecasting system developed to provide accurate weather forecasts and climate predictions for Australia and its surrounding regions. It integrates various components, including atmospheric models, ocean models, and land surface models, to simulate and forecast weather and climate conditions.
Automated theorem proving (ATP) is a branch of artificial intelligence and mathematical logic concerned with the development of algorithms and software that can automatically prove mathematical theorems. The goal of ATP systems is to determine the validity of logical statements and derive conclusions based entirely on formal logical reasoning, without human intervention.
Driverless Maglev, short for magnetic levitation, refers to a transportation system that uses magnetic levitation technology to lift and propel vehicles, such as trains, without the need for contact with traditional rail tracks. In a driverless (or automated) maglev system, the vehicles operate autonomously, meaning that they don’t require a human driver to navigate or control the train’s movements.
Aviva Chomsky is an American historian, writer, and activist known for her work on issues of immigration, labor, and social justice. She is the daughter of linguist Noam Chomsky and has carved out her own scholarly identity, focusing on topics such as the history of immigration in the United States, U.S.-Latin American relations, and the impacts of globalization. Aviva Chomsky has authored several books, including works like "They Take Our Jobs!
The American Society of Mechanical Engineers (ASME) recognizes outstanding contributions to the field of mechanical engineering through various awards. These awards honor individuals for their achievements in design, innovation, education, and service to the profession. Some of the prominent categories of awards given by ASME include: 1. **Honorary Membership**: This is one of the highest honors that ASME can bestow, awarded to individuals who have made significant contributions to the engineering profession.
The general equation of heat transfer can be described through different modes of heat transfer: conduction, convection, and radiation. Each mode has its own governing equations, but the principle behind them is the conservation of energy.
The term "generalized circle" can refer to various concepts in mathematics and geometry, depending on the context. Generally, it can be interpreted in a few ways: 1. **Generalized Circles in Euclidean Geometry**: In the context of Euclidean geometry, a generalized circle can refer to any set of points that satisfies the equation of a circle, which typically includes the equations of circles themselves.
Back scattering alignment generally refers to techniques used in various fields such as optics, telecommunications, and radar. However, it can often be seen in contexts like wireless communication and network design. In the context of wireless communications, back scattering alignment could relate to methods for ensuring that signals reflected or scattered back toward a source maintain coherence and alignment for optimal reception. This may involve manipulating the physical medium or the properties of the transmitting and receiving equipment to maximize the efficiency of the signal.
Bacterial conjugation is a process by which bacteria transfer genetic material between one another through direct cell-to-cell contact. This typically occurs via a structure called a pili, which is a hair-like appendage that allows one bacterium (the donor) to connect to another (the recipient). The main steps involved in bacterial conjugation are: 1. **Formation of Pilus**: The donor bacterium produces a pilus that attaches to the recipient bacterium.
Bacterial nanowires, also known as microbial nanowires or bacterial nanofibers, are thin, electrically conductive appendages produced by certain species of bacteria. These structures are primarily made up of protein and are capable of conducting electrons, enabling direct electron transfer between the bacteria and external surfaces, such as electrodes or other bacteria. **Key Characteristics and Functions:** 1.
The Baffin Island Current is an oceanic current located in the northwest Atlantic Ocean, specifically around Baffin Island, which is part of Canada's Arctic Archipelago. This current is primarily influenced by the surrounding geography, the inflow of freshwater from rivers, and the cold temperatures of the Arctic regions. Key characteristics of the Baffin Island Current include: 1. **Cold Waters**: The current typically consists of cold water, contributing to the overall colder climate of the area.
The Ball-and-Disk Integrator is a mechanical device used for educational purposes to illustrate the principles of integration in calculus. It typically consists of a ball that rolls along a curved surface, most often represented by a rotating disk. The device is designed to demonstrate how the area under a curve can be approximated by the path traced by the ball as it rolls.
The Balleny Fracture Zone is a significant underwater geological feature located in the Southern Ocean, northeast of Antarctica. It consists of a series of faults and fracture systems that are associated with the tectonic activity of the Earth's crust in that region. The fracture zone is named after the Balleny Islands, which are a small group of volcanic islands situated nearby.
Dolores Romero Morales is a prominent figure in the field of mathematics, particularly known for her work in optimization and operations research. She is a professor and has made significant contributions to mathematical programming, including areas like linear and nonlinear optimization, as well as applications in various scientific fields.
Don Coppersmith does not appear to be a widely recognized public figure, term, or concept based on the information available up to October 2023. It’s possible that he could be a private individual, a local author, or a professional in a specific field.
"Dragon Storm" refers to a specific atmospheric phenomenon on the gas giant exoplanet WASP-121b, which is located about 850 light-years from Earth. This planet is known for its extreme temperatures and unique weather patterns due to its proximity to its host star. The term "Dragon Storm" was coined in relation to the patterns of atmospheric circulation on WASP-121b, where it exhibits conditions that could lead to violent storms and intense winds.
Dropleton is a term sometimes used to describe a state of matter that exhibits properties similar to a liquid droplet, particularly in the context of condensed matter physics. It often refers to a type of quasiparticle that can form under certain conditions, such as in exciton fluids or other phenomena related to electronic systems.
Earth sciences software refers to a variety of specialized applications and tools designed to analyze, visualize, and interpret data related to the Earth's systems and processes. This software is utilized across several disciplines within Earth sciences, including geology, meteorology, oceanography, environmental science, geophysics, paleontology, and more.

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