Compactly supported homology is a version of homology theory that focuses on the study of spaces where the singular chains are required to have compact support. This concept is particularly useful in various areas of mathematics, including algebraic topology and differential geometry. ### Key Concepts: 1. **Homology**: Homology is a tool used in algebraic topology to study topological spaces by associating sequences of abelian groups (or modules) to them.
A domestic robot is a type of robot designed to assist with household tasks and activities. These robots are engineered to perform a variety of functions to help individuals manage their daily lives more effectively, improve convenience, and enhance quality of life within the home. Common examples of domestic robots include: 1. **Vacuum Robots**: Such as Roomba, which autonomously navigate and clean floors. 2. **Lawn Mowing Robots**: Devices that can cut grass with little to no human intervention.
Homileticists are individuals who specialize in homiletics, which is the art and science of preaching and delivering sermons. This field involves the study of the principles and methods of preaching, focusing on how to effectively communicate biblical or theological messages to an audience. Homileticists may be theologians, pastors, or scholars who analyze various aspects of sermon preparation, structure, delivery, and the impact of sermons on congregations.
"Telling the Truth" can refer to various concepts or works, depending on the context. Here are a few interpretations: 1. **Moral and Ethical Philosophy**: In a general sense, telling the truth pertains to the moral and ethical implications of honesty. It involves the idea of being transparent and accurate in communication, valuing integrity, and understanding the consequences of deception.
Topological rigidity is a concept in topology and differential geometry that refers to the behavior of certain spaces or structures under continuous deformations. A space is considered topologically rigid if it cannot be continuously deformed into another space without fundamentally altering its intrinsic topological properties. More formally, a topological space \(X\) is said to be rigid if any homeomorphism (a continuous function with a continuous inverse) from \(X\) onto itself must be the identity map.
Height discrimination, also known as heightism, refers to the bias or prejudice against individuals based on their height. This form of discrimination can manifest in various aspects of life, including employment, social interactions, dating, and other personal relationships. Taller individuals are often perceived as more attractive, competent, or authoritative, while shorter individuals may face stereotypes or negative assumptions. In the workplace, height discrimination can affect hiring decisions, promotions, and work relationships.
"Tall Girl 2" is a sequel to the 2019 Netflix film "Tall Girl." The movie follows the story of Jodi Kreyman, a high school student who deals with the challenges of being taller than her peers and the complexities of adolescence, including relationships and self-acceptance. In this sequel, Jodi has gained more confidence after overcoming her insecurities from the first film.
A pistol grip is a type of handle or grip commonly found on firearms, tools, and other equipment. It is designed to be held in a way that feels natural and comfortable in the user's hand, resembling the grip of a traditional pistol. Here are some key characteristics and uses of a pistol grip: 1. **Shape**: The grip typically has an ergonomic shape that allows for a firm hold and better control. It often features a vertical or slightly angled design that suits the anatomy of the hand.
The Leaky Acres Recharge Facility is a water management infrastructure project located in the state of Arizona, designed to enhance water recharge into the aquifer. This facility primarily serves the purpose of storing and replenishing groundwater resources through the controlled infiltration of water. In many regions, especially arid ones, sustainable water management is crucial.
A flow splitter is a device used in various applications to divide a flow of fluid (liquid or gas) into multiple streams while maintaining the overall flow rate. These devices are commonly found in engineering and industrial settings, especially in processes involving fluids, such as HVAC systems, water treatment plants, and chemical processing. **Key features of flow splitters include:** 1. **Division of Flow:** Flow splitters are designed to separate a single input flow into two or more output flows.
The Hydraulic Press Channel is a popular YouTube channel created by Lauri Vuohensilta, a Finnish inventor and content creator. The channel is known for its unique and entertaining experiments involving a hydraulic press, which is used to crush a variety of objects. The content is often presented in a humorous way, showcasing the destruction of items ranging from everyday household products to unusual and unexpected materials.
A gravitino is a hypothetical elementary particle in the framework of supersymmetry (SUSY), a theoretical extension of the Standard Model of particle physics. In SUSY, every fermion (matter particle) has a corresponding bosonic superpartner, and vice versa. The gravitino is the superpartner of the graviton, which is the proposed mediating particle of the gravitational force.
Residence time, in general terms, refers to the average time a particle, molecule, or substance spends in a particular system or location before it is removed or transformed. This concept is widely applicable across various fields, including environmental science, hydrology, chemical engineering, and astrophysics.
The SWAT model, which stands for Soil and Water Assessment Tool, is a widely used hydrological model designed for predicting the impact of land management practices on water, sediment, and agricultural chemical yield in large, complex watersheds. Developed by the USDA Agricultural Research Service (ARS) in the 1990s, SWAT integrates various components of the water cycle, including precipitation, evapotranspiration, percolation, and runoff, to provide a comprehensive analysis of hydrological processes.
The MacRobert E function, often denoted as \( E(x) \), is a special function in mathematics that is related to the theory of complex variables and is used primarily in the context of mathematical analysis and applied mathematics. It is particularly significant in the studies involving wave equations and stability analysis of certain differential equations. ### Definition The MacRobert E function can be defined in various contexts, including as part of integrals leading to special functions or as solutions to specific types of differential equations.
"Sfermion" is a term used in the context of theoretical physics, specifically in supersymmetry (SUSY) theories. In these theories, particles have superpartners with different spins. For every fermion (particles that follow Fermi-Dirac statistics, such as electrons, quarks, and neutrinos), there corresponds a sfermion, which is a scalar particle (with spin 0).
Weather can significantly influence sporting events, athlete performance, and overall enjoyment of sports. Here are some key effects of weather on various aspects of sports: 1. **Temperature**: - **Heat**: High temperatures can lead to heat exhaustion, dehydration, and heat stroke in athletes. Sports like marathons or cycling may require adjustments to schedules to avoid peak heat times. - **Cold**: Extremely low temperatures can lead to frostbite and hypothermia.
The term "military operations on ice" typically refers to military actions or deployments that take place in cold, icy environments, often involving regions that experience extreme winter conditions. Below are some notable military operations that either took place on ice or had significant components in icy environments: 1. **Operation Iceberg (1945)**: The codename for the Allied invasion of Okinawa during World War II. Although not strictly an operation "on ice," it involved strategic planning for difficult terrain and weather conditions.
The term "Salt Belt" typically refers to a geographical area in the United States known for its significant production of salt. This region is primarily located in parts of the Great Lakes area, particularly around Michigan and Ohio, where salt is mined from underground deposits. The Salt Belt is important both for its mineral resources and its role in various industrial processes, such as de-icing roads during winter months and in chemical manufacturing.
The U.S. National Ice Center (NIC) is a facility operated by the United States government that specializes in the analysis of ice conditions in the world's oceans, particularly in the context of the polar regions. Established to support navigation and operations in Arctic and Antarctic regions, the NIC provides critical information on sea ice and icebergs to various stakeholders, including the Department of Defense, federal agencies, and international partners.

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