The A1W reactor is a type of research reactor located at the Idaho National Laboratory (INL) in the United States. It is a part of the Department of Energy's effort to facilitate research in nuclear science and technology. The A1W reactor is specifically designed for various purposes, including the testing of materials and fuel for nuclear systems, conducting experiments in neutron radiography, and supporting national security research.
The D1G reactor, or D1G fast neutron reactor, is a type of nuclear reactor designed and developed in Russia, primarily for research and testing purposes. It utilizes fast neutrons rather than thermal neutrons to sustain the fission reaction. Fast neutron reactors are capable of using a wider variety of nuclear fuel, including those that are more abundant or less processed.
The S5G reactor is a type of naval propulsion reactor developed for use by the United States Navy. It is specifically designed for use in submarines and is part of the broader family of pressurized water reactors (PWR) used in various naval applications. The S5G reactor was notable for being one of the earliest naval reactors to incorporate advances in reactor design, including enhanced safety features and improved performance metrics.
A Feddan (also spelled "feddan" or "fedden") is a unit of area used primarily in Egypt and Sudan. It is traditionally used to measure land, particularly agricultural land. One feddan is approximately equal to 0.42 hectares or about 1.038 acres. The term is derived from the Arabic word "فدان," which refers to a piece of land or a plot of farmland.
The S3G reactor is a type of nuclear reactor that is used primarily in naval propulsion, particularly for submarines. It is a pressurized water reactor (PWR) designed for use in submarine fleets, allowing for underwater propulsion without the need for surfacing for fuel replenishment for long periods. Some key features of the S3G reactor include: 1. **Design and Purpose**: The S3G reactor was developed for the U.S.
A "collop" is an old unit of measurement that was historically used to describe a piece or slice of meat, specifically a small piece or portion of meat that was cut from a larger piece. The term has its roots in the culinary practices of earlier centuries, where it was commonly used in English-speaking regions. The exact size and weight of a collop can vary, but it is generally understood to imply a modest portion of meat.
Count data refers to data that represents the counts or frequencies of occurrences of certain events or items. This type of data is characterized by non-negative integer values (0, 1, 2, 3, etc.) and is often used in various fields such as statistics, epidemiology, social sciences, and economics.
"Markland" in Scots typically refers to a piece of land or a specific area that is used for marking or boundary-setting, particularly in the context of agricultural land or estates. The term can also indicate land that is in the process of being measured or surveyed. In a broader historical or literary context, "markland" may also carry connotations of land ownership and territorial delineation.
Acre is a village and civil parish located in Cheshire, England. It falls within the unitary authority of Cheshire East and is situated near the larger town of Macclesfield. Historically, Acre has been known for its rural setting and traditional English countryside charm, featuring picturesque landscapes typical of the region. As of the last census, Acre's population is relatively small, contributing to its quaint village atmosphere. The area is characterized by various historical buildings, local amenities, and a sense of community among residents.
"Tarang wa" refers to a concept that originated from the ancient Indian philosophy of Vedic texts. In a broader sense, "Tarang" translates to "wave" or "radiance," and "wa" can connect to various meanings depending on context. It could denote a principle like flow, vibration, or resonance in spiritual or philosophical discussions. However, without additional context or clarification, it's challenging to pinpoint a specific meaning or reference.
In the context of United States land surveying, a "section" refers to a specific parcel of land that is part of the Public Land Survey System (PLSS). The PLSS is a method developed in the 18th century for surveying and mapping land in the United States, particularly in areas that were not originally part of the original thirteen colonies.
A square kilometre (symbol: km²) is a unit of area measurement that represents the area of a square with sides that are each one kilometre long. It is commonly used to measure large areas, such as land or the size of geographical regions. One square kilometre is equivalent to: - 1,000,000 square metres (m²) - 0.
In physical chemistry, quantities, units, and symbols are fundamental concepts that are used to describe and quantify physical properties and behaviors of matter. Here’s a breakdown of each: ### 1. Quantities Quantities represent physical properties that can be measured or calculated in a physical or chemical context. They can be classified into two main types: - **Scalar Quantities**: These quantities are defined by only a magnitude (numerical value) and have no direction.
Dots per inch (DPI) is a measurement of spatial printing or video dot density, specifically the number of individual dots that can be placed in a line within the span of one inch. DPI is commonly used to describe the resolution of printers, scanners, and displays, as well as the quality of images in terms of detail and clarity. In printing, a higher DPI indicates a higher resolution, meaning that more dots are used to create an image, which generally results in better quality and sharper images.
A disk sector is the smallest unit of storage on a magnetic disk or solid-state drive (SSD). It's a fundamental concept in computer storage that refers to a specific, fixed-size portion of a disk's surface that holds a block of data. Typically, a sector is 512 bytes or 4,096 bytes in size, depending on the storage device and its formatting.
A cubic metre per second (m³/s) is a unit of flow rate commonly used in various fields, including hydrology, engineering, and physics. It measures the volume of liquid or gas that passes through a given point in a system per second. For example, if a river has a flow rate of 10 m³/s, it means that 10 cubic metres of water flows past a specific point in the river every second.
In networking, a "frame" refers to a data packet or unit of data that is transmitted over a network at the data link layer of the OSI (Open Systems Interconnection) model. Frames are used to encapsulate network layer packets, adding necessary information for routing and delivery over physical networks. ### Key Components of a Frame: 1. **Header**: Contains control information used by network devices to process or route the frame.
The Hartley (symbol: Hart) is a unit of information used in the field of information theory. It is named after the American engineer Ralph Hartley. The Hartley quantifies the amount of information produced by a source of data and is based on the logarithmic measure of possibilities. Specifically, one Hartley is defined as the amount of information that is obtained when a choice is made from among \(10\) equally likely alternatives.
Revolutions per minute (RPM) is a unit of rotational speed that indicates the number of complete rotations an object makes around a fixed axis in one minute. It is commonly used to measure the speed of engines, motors, and other rotating machinery. For example, if a motor is said to run at 3,000 RPM, it means that the motor completes 3,000 full rotations in one minute.
A binary code is a system of representing text or computer processor instructions using the binary number system, which uses only two symbols: typically 0 and 1. Here's a basic overview of different types of binary codes: 1. **ASCII (American Standard Code for Information Interchange)**: - A character encoding standard that represents text in computers. Each character is represented by a 7-bit binary number.

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