Magnetic moment is a vector quantity that measures the strength and direction of a magnetic source. It is an important concept in electromagnetism and magnetic materials, as it describes how a magnet interacts with external magnetic fields. There are several types of magnetic moments, including: 1. **Magnetic Dipole Moment**: This is the most common type of magnetic moment, often associated with small magnetic sources such as loops of current or permanent magnets.
Superstring theory is a theoretical framework in physics that seeks to reconcile general relativity (which describes gravitation) and quantum mechanics (which describes the other fundamental forces of nature). It posits that the fundamental constituents of the universe are not point-like particles, but rather one-dimensional "strings" that can vibrate at different frequencies. These vibrations correspond to different particles, with different masses and forces determined by the string's vibrational modes.
In the context of waves, "phase" refers to the specific point in the cycle of a wave at a given time. It indicates the position of the wave in its oscillation relative to its starting point, typically measured in degrees or radians. Since a complete wave cycle corresponds to 360 degrees (or \(2\pi\) radians), the phase can tell you how far along the wave is.
Radiative flux, often referred to as radiant flux, is a measure of the amount of radiant energy (such as light or thermal radiation) that passes through a given surface area per unit time. It is typically expressed in watts (W), where one watt equals one joule of energy per second.
Radiosity is a concept used in the field of radiometry and thermal radiation to describe the exchange of thermal energy between surfaces. It is particularly relevant in the study of heat transfer in enclosed spaces and in the context of computer graphics for simulating realistic lighting effects. In radiometry, radiosity refers to the total amount of radiant energy leaving a surface per unit area, taking into account all forms of radiation, including direct and reflected radiation.
Constant Bitrate (CBR) is a method of encoding audio or video files where the bitrate remains consistent throughout the entire duration of the media stream. This means that the amount of data processed per unit of time is fixed, resulting in a steady flow of bits.
Sound power is a measure of the total energy emitted by a sound source per unit of time. It represents the overall intensity of the sound produced, independent of the distance from the source or how the sound is perceived by an observer. Sound power is typically measured in watts (W) and is often expressed in decibels (dB) relative to a reference power level.
Artificial lakes, often referred to as reservoirs, are man-made bodies of water created by constructing dams or barriers across rivers or other water sources. These lakes serve a variety of purposes, which can include: 1. **Water Supply:** Providing a reliable source of water for domestic, agricultural, or industrial use. 2. **Hydroelectric Power Generation:** Many artificial lakes are used to generate electricity through hydroelectric power plants that harness the flow of water released from the reservoir.
Ashtekar variables are a reformulation of General Relativity used primarily in the context of canonical gravity and loop quantum gravity. Introduced by the physicist Abhay Ashtekar in the mid-1980s, these variables provide a new framework for understanding the geometry of spacetime and the nature of gravitational fields. In General Relativity, the dynamics of the gravitational field are typically described using the metric tensor, which can be complex and challenging to handle mathematically.
Askar Dzhumadildayev is a notable figure from Kazakhstan, primarily recognized for his work in the fields of science and technology, particularly in relation to the development of satellite technology and telecommunications in Kazakhstan. He has played a significant role in advancing the country's capabilities in these areas.
ASMR stands for Autonomous Sensory Meridian Response. It refers to a tingling sensation that some individuals experience in response to specific auditory or visual stimuli. This sensation typically begins on the scalp and moves down the back of the neck and spine. Common triggers for ASMR include soft-spoken voices, whispering, tapping, crinkling sounds, personal attention, and other gentle, repetitive auditory or visual stimuli.
The Assignment Problem is a fundamental problem in combinatorial optimization that involves assigning a set of resources to a set of tasks in such a way that the total cost is minimized (or, in some cases, maximized). It can be represented mathematically and is commonly solved using various optimization techniques.
PreussenElektra is a German company that is primarily involved in the generation of electricity through nuclear power. It is a subsidiary of the larger energy company, E.ON SE, which is one of the major energy providers in Europe. PreussenElektra operates several nuclear power plants in Germany and plays a significant role in the country's energy landscape, especially as the country maneuvers through its energy transition, known as the "Energiewende.
In the context of set theory and mathematical logic, the terms "prevalent sets" and "shy sets" are typically associated with the study of functions and their behaviors, particularly in relation to "generic" properties in infinite-dimensional spaces or in analysis. ### Prevalent Sets A set is called **prevalent** in a certain context (often in topological or function spaces) if it is "large" in a specific measure-theoretical sense.
An asymmetric graph, often referred to in the context of graph theory, typically means that the graph lacks symmetry in its structure. More formally, a graph is considered asymmetric if it does not have non-trivial automorphisms, which are mappings from the graph to itself that preserves the structure (i.e., the vertices and edges).
Gel electrophoresis is a laboratory technique used to separate and analyze macromolecules such as DNA, RNA, and proteins based on their size and charge. The basic process involves the following key components and steps: 1. **Gel Matrix**: A gel, commonly made from agarose or polyacrylamide, serves as a medium through which the molecules will travel. The pore size of the gel can be adjusted by varying its concentration, allowing for separation of different sizes of molecules.
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!
Intro to OurBigBook
. Source. We have two killer features:
- 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-calculusArticles 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/derivativeVideo 2. OurBigBook Web topics demo. Source. - 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.
- to OurBigBook.com to get awesome multi-user features like topics and likes
- as HTML files to a static website, which you can host yourself for free on many external providers like GitHub Pages, and remain in full control
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. - Infinitely deep tables of contents:
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





