A dielectric is a specific type of insulating material that can be polarized by an electric field. Dielectrics do not conduct electricity well but can store electrical energy when subjected to an electric field. This characteristic makes them essential in various electrical and electronic applications, particularly in capacitors, where they are used to increase capacitance.
Digi-Comp I is an early educational toy that simulates a digital computer. Developed in the 1960s by the American toy company, it aims to teach fundamental concepts of binary arithmetic and logic operations in a hands-on manner.
The Dijkstra–Scholten algorithm is a distributed algorithm used for implementing termination detection in distributed systems, particularly in the context of distributed computing and databases. This algorithm is named after Edsger W. Dijkstra and Jan Scholten, who introduced it in their work on distributed computing. ### Key Concepts: 1. **Termination Detection**: The goal of the algorithm is to determine whether a distributed computation has completed (meaning that there are no active messages or processes left).
Obesity is a medical condition characterized by an excessive accumulation of body fat that presents a risk to an individual's health. It is typically measured using the Body Mass Index (BMI), which is calculated by dividing a person's weight in kilograms by the square of their height in meters (kg/m²). A BMI of 30 or greater is generally considered obese, while a BMI between 25 and 29.9 is classified as overweight.
"Discoveries" is a book by Edward Emerson Barnard, an American astronomer known for his groundbreaking work in the late 19th and early 20th centuries. The book, published in 1927, compiles Barnard's observations and discoveries related to astronomy, particularly his work on planets, comets, and other celestial phenomena.
"Discoveries" by Harry Edwin Wood is a notable work that focuses on various scientific and historical discoveries. Harry Edwin Wood, a writer and educator, explores the impact of these discoveries on society and human understanding. The book delves into different fields such as physics, biology, archaeology, and more, presenting significant milestones in each area and the individuals behind them.
"Discoveries" by Luigi Volta is not a well-known title or work typically associated with the inventor Alessandro Volta, who was an Italian physicist renowned for his pioneering work in electricity and the invention of the electric battery, known as the Voltaic pile, in the late 18th century.
TRPV6 (Transient Receptor Potential Vanilloid 6) is a protein that functions as an ion channel, primarily permeable to calcium ions (Ca²⁺). It is part of the TRP (Transient Receptor Potential) channel family, which is involved in various sensory processes and physiological functions.
DOM Inspector is a tool used primarily in web development to examine and manipulate the Document Object Model (DOM) of a webpage. The DOM represents the structure of the webpage as a tree of objects, where each element, attribute, and text is represented as a node. Here are some key aspects of DOM Inspector: 1. **Inspection**: Developers can view the hierarchical structure of the webpage, enabling them to see how elements are nested and understand their relationships.
Dreaming, or "The Dreaming," is a fundamental concept in Australian Aboriginal culture that refers to the time of creation when ancestral beings formed the land, animals, and people. It encompasses the beliefs, rituals, stories, and art that connect Aboriginal people to their spiritual and cultural heritage. In the context of Aboriginal art, Dreaming is often expressed through various forms of visual representation, including painting, sculpture, and weaving.
Duplication and elimination matrices are mathematical tools used in various fields, including linear algebra and data analysis, to manipulate and transform vectors and matrices, specifically in the context of handling multivariate data. ### Duplication Matrix A **duplication matrix** is a matrix that transforms a vector into a higher-dimensional space by duplicating its entries.
Dynamics is a branch of classical mechanics that studies the motion of objects and the forces that cause this motion. It is concerned with understanding how objects move and the factors that influence their movement, rather than just describing the motion itself (which is the focus of kinematics). Dynamics can be divided into two main categories: 1. **Newtonian Dynamics**: Based on Newton's laws of motion, which relate the motion of an object to the forces acting on it.
DynaMo can refer to different concepts or entities depending on the context. Here are a few interpretations: 1. **DynaMo (Software)**: It may refer to a software application or platform designed for dynamic modeling, which can be used in various fields such as engineering, simulation, or systems analysis. 2. **DynaMo (Business)**: It might also be a business name for companies that emphasize dynamic motion or management, often in technology or logistics sectors.
Édouard Le Roy (1870–1954) was a French philosopher and a prominent figure in the development of modern French philosophy. He is best known for his contributions to the philosophy of science, particularly regarding the nature of scientific knowledge and its relationship to human experience. Le Roy was associated with the movement known as "philosophy of intuition," which sought to understand knowledge as a more subjective and experiential process rather than purely objective and rational.
A biased random walk on a graph is a variation of the classic random walk where the probability of moving in certain directions is influenced or biased by specific factors or preferences. In a standard random walk, a walker starts at a node (or vertex) in the graph and, at each step, chooses one of the neighboring nodes uniformly at random to move to. In contrast, in a biased random walk, the transition probabilities to neighboring nodes are not equal but are weighted according to some bias.
Edwin Abbott Abbott (1838–1926) was an English schoolmaster, theologian, and author best known for his 1884 novella "Flatland: A Romance of Many Dimensions." The book is a satirical representation of Victorian society and explores the nature of dimensions and perception through the story of a two-dimensional world inhabited by geometric shapes.
Bernard Teissier is a French mathematician known for his contributions to several areas of mathematics, particularly in algebraic geometry, singularity theory, and the theory of analytic spaces. He has made significant advancements in the study of the topology and geometry of singular spaces, as well as in the relationship between algebra and geometry, particularly through his work on the resolution of singularities.
Elyès Jouini is a notable figure in the fields of economics and finance, particularly recognized for his contributions to research and academia. His work often focuses on topics related to financial markets, decision-making, and economic theory. Jouini has been involved in various academic institutions and has published numerous scholarly articles and papers.
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





