A refrigerator is a household or commercial appliance that is used to keep food and beverages cool and preserve them for extended periods. It typically works by removing heat from the interior, using a refrigeration cycle that involves a refrigerant, which absorbs and releases heat as it circulates through the system. Refrigerators come in various sizes and configurations, including: 1. **Top-Freezer Refrigerators**: These have a freezer compartment on top and the main refrigeration section below.
Appliance recycling refers to the process of collecting and processing old or unused household appliances in an environmentally friendly manner. This involves the proper dismantling, recovery, and disposal of components such as metals, plastics, and electronic materials. The goal is to reduce waste and minimize the environmental impact associated with landfill disposal. Key aspects of appliance recycling include: 1. **Collection**: Old appliances can be collected through various means, including curbside pickup, drop-off centers, or specialized recycling events.
In mathematics, the term "continuation map" can refer to different concepts depending on the context, particularly in the realms of topology, functional analysis, and other areas of mathematics related to the study of continuous mappings and their properties. Here are a few interpretations: 1. **Topological Continuation Map**: In topology, a continuation map may refer to a function that extends (or continues) a function defined on a smaller space to a larger space while preserving certain properties, like continuity.
A clothes dryer, also known as a tumble dryer or simply a dryer, is a household appliance designed to remove moisture from washed clothing and textiles. It works by tumbling the clothes in a rotating drum while circulating heated air, which helps to evaporate the moisture in the fabrics. Here are the main types of clothes dryers: 1. **Vented Dryers**: These dryers expel moisture-laden air outside through a vent.
A dehumidifier is an electrical device designed to reduce and maintain the level of humidity in the air. By drawing in moist air, it removes excess moisture, which can help to prevent the growth of mold and mildew, alleviate allergens, and enhance overall indoor comfort. Dehumidifiers work by passing air over cold coils, which condenses moisture from the air. The condensed water is collected in a reservoir or drained away through a hose, while the drier air is circulated back into the room.
FoldiMate is a home appliance designed to automate the process of folding laundry. It aims to save time and effort by allowing users to place freshly washed clothes into the machine, which then folds them into neat stacks. The original concept was introduced as a prototype and later showcased to the public, primarily targeting households looking to simplify the chore of folding laundry.
A garbage disposal unit, often referred to simply as a garbage disposal, is a household appliance installed under a kitchen sink that grinds food waste into small particles, which can then be flushed away through the plumbing system. The primary purpose of a garbage disposal is to reduce the volume of food waste and make it easier to manage kitchen waste.
A hair iron, often referred to as a flat iron or straightening iron, is a styling tool used to achieve smooth, straight hair. It consists of two heated plates that can be pressed together to flatten and straighten hair strands when pulled through. Hair irons can also be used to create waves or curls depending on the technique applied. Most hair irons feature adjustable temperature settings to accommodate different hair types and reduce the risk of heat damage.
Algebra education refers to the teaching and learning of algebra, a branch of mathematics dealing with symbols and the rules for manipulating those symbols. Algebra serves as a foundational component of mathematics, helping students to develop logical reasoning, problem-solving skills, and the ability to work with abstract concepts. Here are some key aspects of algebra education: 1. **Concepts and Skills**: - **Variables and Expressions**: Understanding the use of symbols to represent numbers and relationships.
A home appliance is a device or machine that aids in domestic tasks, typically used for household functions such as cooking, cleaning, food preservation, and laundry. Home appliances can be categorized into two main types: 1. **Major Appliances (White Goods):** These are large, often stationary machines that perform significant household tasks.
Encyclopedias of mathematics are comprehensive reference works that compile and summarize the vast body of knowledge in the field of mathematics. These encyclopedias typically include entries on a wide range of topics, including mathematical theories, concepts, definitions, historical developments, famous mathematicians, and applications of mathematics in various fields. One prominent example is the "Encyclopaedia of Mathematics," which is an extensive resource that covers various mathematical topics in-depth, often written by experts in the field.

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