A combustion engine is a type of heat engine that converts fuel into mechanical energy through the process of combustion, which involves the chemical reaction between a fuel and an oxidant (usually oxygen from the air). The most common type of combustion engine is the internal combustion engine (ICE), which can be found in various vehicles, machinery, and equipment.
Locomotive engines are powerful machines that provide the motive power for trains, enabling them to pull or push rail cars along tracks. These engines can be powered by various energy sources, including: 1. **Steam**: Traditional locomotives operated by burning coal, wood, or oil to heat water in a boiler, producing steam to drive pistons connected to the wheels. 2. **Diesel**: Diesel locomotives use a diesel engine to generate power.
CVCC stands for Consonant-Vowel-Consonant-Consonant. It is a linguistic term used to describe a specific pattern of phonetic structure in English words and syllables. In a CVCC structure: - "C" represents a consonant sound, - "V" represents a vowel sound. For example, in the word "mask," 'm' is the first consonant, 'a' is the vowel, and 'sk' is the final consonant cluster.
A draft, in the context of boilers, refers to the difference in pressure between the inside of the boiler and the outside atmosphere, which is necessary for the proper combustion of fuel and the efficient operation of the boiler. It is critical for maintaining the flow of flue gases out of the boiler and ensuring that fresh air can enter for combustion. There are generally two types of draft: 1. **Natural Draft**: This occurs due to the buoyancy of hot gases.
A gas engine is a type of internal combustion engine that burns gaseous fuels, most commonly natural gas or propane, to produce mechanical energy. These engines operate on the principle of igniting a mixture of air and gas, which forces a piston to move within a cylinder, ultimately generating rotational motion that can be used to power vehicles, machinery, or electric generators.
Idle refers to a state of an engine, particularly in vehicles, where the engine is running but the vehicle is not in motion. During idle, the engine continues to operate, allowing systems such as the electrical system (lights, radio, etc.) and climate control (heating, air conditioning) to function. Idling can occur for various reasons, such as when a driver is waiting at a red light, in traffic, or parked but still wants to use the car's accessories.
As of my last knowledge update in October 2021, "Sarco pod" refers to a type of euthanasia device that has been proposed by Philip Nitschke, an advocate for voluntary euthanasia and physician-assisted suicide. The Sarco pod is designed to provide an option for individuals seeking assisted dying in a legally permissible and humane way. The device is a capsule that can be activated to induce death through the use of nitrogen gas, leading to a state of hypoxia (oxygen deprivation).
A vacuum cleaner is a household appliance designed to remove dirt, dust, and debris from floors, carpets, upholstery, and other surfaces. It operates by creating suction, which draws in air and captures particles, allowing for effective cleaning. Vacuum cleaners come in various types and designs, including: 1. **Upright Vacuum Cleaners**: These are standing models that are pushed forward while cleaning and are often used for carpets and larger areas.
A hair dryer, also known as a blow dryer, is an electrical device used to dry and style hair. It works by blowing hot or cold air over damp hair, which evaporates the moisture and speeds up the drying process. Hair dryers typically have multiple heat settings and airflow speeds, allowing users to customize their drying and styling experience.
A microwave oven is a kitchen appliance that uses microwave radiation to heat and cook food. Microwaves are a form of electromagnetic radiation with wavelengths ranging from about one meter to one millimeter. In microwave ovens, the waves primarily cause water molecules in the food to vibrate, generating heat through a process known as dielectric heating. This heat cooks the food quickly and efficiently.
A sewing machine is a mechanical or electrical device designed to stitch fabric and other materials together using thread. It greatly enhances the efficiency and precision of sewing tasks compared to hand sewing. Sewing machines can be used for a variety of applications, including making clothing, home textiles, accessories, and more. There are various types of sewing machines, including: 1. **Mechanical Sewing Machines**: These machines operate using mechanical components and require manual adjustments for stitch selection and length.
A telephone is an electronic device that allows for the transmission of voice or data between two or more people over a distance. The basic principle of a telephone involves converting sound waves (like those produced by a speaker's voice) into electrical signals, which can then be sent over a network (such as telephone lines, fiber optic cables, or wireless signals) to a receiver. The receiving telephone converts these electrical signals back into sound waves, allowing the recipient to hear the original voice.
Sex robots are humanoid robots designed primarily for sexual purposes and companionship. They are typically equipped with advanced artificial intelligence (AI) and can simulate human interactions, including conversation and social behavior. The physical components of sex robots are often made from materials that mimic human skin and anatomy, providing a realistic experience for users. Sex robots can vary in complexity, from simple, static dolls to highly advanced robots equipped with movement, voice recognition, and responsive behaviors.
The term "handle" can have multiple meanings depending on the context in which it is used. Here are some common interpretations: 1. **Physical Object**: A handle is a part of an object designed for holding, lifting, or carrying. For example, a door handle or the handle of a mug. 2. **Social Media/Online Identity**: In the context of social media or online platforms, a handle refers to a username or nickname used to identify a user.
A push button is a simple switch mechanism that can be pressed to complete or interrupt an electrical circuit. It typically consists of a button that, when pressed, engages a contact closing the circuit, and when released, opens the circuit. Push buttons are commonly used in various applications, such as: 1. **Electronic Devices**: To turn devices on or off, reset functions, or initiate specific actions. 2. **Control Panels**: In machinery and industrial equipment for manual operation and control.
A mechanical organ, often referred to as a "mechanical music" instrument or a "mechanical organ" in some contexts, refers to a type of musical instrument that produces sound through mechanical means, typically without the use of electronic elements. One of the most common types of mechanical organs is the **pipe organ**, which employs pipes that are arranged in ranks and are played by pressing keys on a keyboard.
The Sybian is a high-powered sexual device designed primarily for female pleasure. It is a type of vibrator that is often marketed as a pleasurable tool that can simulate sexual intercourse. The device is known for its adjustable settings, allowing users to customize intensity and speed. The Sybian typically features a saddle-like seat that allows the user to straddle it, while various attachments or vibrators can be added for different sensations.

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