The Survey of India (SoI) is the national survey and mapping organization of India, and it operates under the Ministry of Science and Technology. Established in 1767, it is one of the oldest survey organizations in the world. The primary functions of the Survey of India include: 1. **Topographical Mapping**: Creating detailed topographical maps that represent the physical features of the land, including elevations, landscapes, and infrastructure.
"The Master and His Emissary: The Divided Brain and the Making of the Western World" is a book written by psychiatrist and academic Ian McGilchrist, published in 2009. In this work, McGilchrist explores the differences between the brain's two hemispheres—the left and the right—and how these differences influence our perception of reality, culture, creativity, and society.
Simplicial volume is a notion from the field of topology and geometry, particularly in the study of manifolds. It essentially provides a way to measure the "size" of a topological manifold in a geometric sense. The concept is closely associated with the study of manifolds and their geometric structures, especially in the context of algebraic topology.
An **F-center** (or Farbzentrum, German for "color center") is a type of defect in a crystalline solid, particularly in ionic crystals. It arises when an anion is removed from its lattice site, leaving behind a vacant site (also called a vacancy). Electrons can occupy this vacancy, which can lead to the absorption of specific wavelengths of light, giving the crystal a characteristic color.
Former dwarf planet candidates refer to celestial bodies in the solar system that were considered for classification as dwarf planets but ultimately were not designated as such, either due to lack of sufficient evidence or because they did not meet all the criteria established by the International Astronomical Union (IAU) for dwarf planet status. To be classified as a dwarf planet, a celestial body must: 1. Orbit the Sun.
Henri Bacry is a name often associated with various contexts, including academia and mathematics, particularly in the fields of theoretical physics and applied mathematics. However, the most notable figure with this name is likely Henri Bacry, a French physicist known for his work in statistical physics, as well as his contributions to the understanding of complex systems and stochastic processes. His research has implications in areas such as finance, ecology, and social dynamics.
A Hermite ring, often related to the field of number theory and algebra, typically refers to a certain type of algebraic structure that has properties akin to those of Hermite polynomials or Hermitian matrices, although the precise definition may vary depending on the context in which the term is used. In a broader sense, a Hermite ring may refer to a ring of numbers or polynomials that uphold specific symmetries or characteristics reminiscent of Hermite functions or polynomials.
"Arithmetica" typically refers to a work by the ancient Greek mathematician Diophantus, who is often known as the "father of algebra." The full title of the work is "Arithmetica," and it is a collection of books that primarily deals with equations and number theory. Diophantus's methods involve finding integer solutions to polynomial equations, which is a major contribution to algebra.
Computational creativity is an interdisciplinary field that explores the creative capabilities of computer systems and algorithms. It involves the study and development of computer programs that can generate novel and valuable ideas, concepts, artifacts, or solutions, typically associated with human-like creativity. Key aspects of computational creativity include: 1. **Algorithmic Creativity**: Developing algorithms that can produce creative outputs, such as poetry, artwork, music, or even scientific theories.
Hydroinformatics is an interdisciplinary field that combines hydrology, computer science, and information technology to enhance the understanding, management, and decision-making processes related to water resources. It utilizes computational tools, models, and data analysis techniques to study and solve various problems associated with hydrological systems, including water quality, water supply, flood forecasting, and watershed management.
The Todd–Coxeter algorithm is a method used in group theory, specifically for computing the orbit and stabilizer of elements in a permutation group, and for finding a presentation of a group given by generators and relations. It's particularly useful in the study of finite groups and is often used in computational group theory.
The FitzHugh-Nagumo model is a mathematical model used to describe the electrical activity of excitable cells, such as neurons and cardiac cells. It's a simplification of the more complex Hodgkin-Huxley model, which describes action potentials in neurons. The FitzHugh-Nagumo model captures the essential features of excitability and is often used in theoretical biology, neuroscience, and studying various types of wave phenomena in excitable media.
Brain-reading refers to the process of interpreting or decoding brain activity to infer thoughts, intentions, or mental states. This can be achieved through various techniques, most notably neuroimaging methods such as functional magnetic resonance imaging (fMRI), electroencephalography (EEG), and magnetoencephalography (MEG). Researchers use these technologies to analyze patterns of brain activity and correlate them with specific cognitive functions or responses.
The Hodgkin–Huxley model is a mathematical description of the electrical characteristics of excitable cells, particularly neurons. Developed in 1952 by Alan Hodgkin and Andrew Huxley, this model provides a detailed mechanism for understanding how action potentials (the rapid depolarization and repolarization of the neuronal membrane) are generated and propagated. ### Key Components of the Hodgkin–Huxley Model 1.
ABC@Home is a program that was established by ABC Television Network to allow fans and viewers to engage with their favorite shows and provide feedback from the comfort of their homes. It typically involves activities such as viewing episodes, participating in surveys, and sometimes getting exclusive content or rewards in exchange for their feedback. Programs like this are often designed to gather audience insights, promote viewer loyalty, and enhance the overall television viewing experience.
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





