A phi (ϕ) bond is a specific type of molecular orbital that involves the overlap of two p orbitals. In the context of molecular chemistry and bonding, the term "phi bond" is often used synonymously with what is termed a "pi bond" (π bond). This type of bonding typically occurs in the context of double and triple bonds found in organic molecules.
The Van Arkel–Ketelaar triangle is a graphical representation used in the field of materials science, particularly for understanding the bonding characteristics between materials, especially in the context of binary compounds and solid-state systems. It is named after the Dutch chemists A. E. van Arkel and J. A. Ketelaar who developed this conceptual framework.
Liu Hui was a Chinese mathematician who lived during the third century AD, and he is particularly known for his work on geometry and the approximation of π (pi). In his landmark work "The Nine Chapters on the Mathematical Art," Liu Hui devised an algorithm to calculate the value of π, which was based on inscribing and circumscribing polygons. The method he proposed is often described as follows: 1. **Start with a Circle**: Imagine a circle with a known radius.
The Maximum Power Transfer Theorem is an important principle in electrical engineering and circuit analysis. It states that in order to transfer the maximum amount of power from a source (such as a voltage or current source) to a load (such as a resistor), the load resistance must be equal to the output resistance of the source or circuit from which the power is being drawn, when looking back into the circuit.
Taylor's theorem is a fundamental result in calculus that provides a way to approximate a function using polynomials. Specifically, it states that any sufficiently smooth function can be approximated near a point by a polynomial whose coefficients are determined by the function's derivatives at that point. ### Formal Statement: Let \( f \) be a function that is \( n \)-times differentiable at a point \( a \).
Avadh Bhatia may refer to a person or a specific entity, but without more context, it's challenging to provide a precise answer.
Federico Rodriguez Hertz does not appear to be a widely recognized figure or term in public sources as of my last update in October 2023. It's possible that he could be a private individual or a lesser-known figure in a specific field. If he has gained notoriety or relevance after that date, I would not have that information.
Jinyoung Park is a mathematician known for contributions in the field of mathematics, specifically in areas such as algebra, geometry, or topology.
Miklós Bóna is a mathematician known for his contributions to various areas of mathematics, particularly in combinatorics and dynamical systems. He has written extensively on topics such as combinatorial structures and their applications. Bóna may also be recognized for his work in mathematical education and for authoring textbooks and research papers.
Differential calculus over commutative algebras is a branch of mathematics that generalizes the concepts of differentiation and integration from classical calculus to the context of commutative algebras, which are algebraic structures that satisfy certain properties, notably that multiplication is commutative.
Reconfiguration generally refers to the process of changing the arrangement or structure of a system, organization, or object. This concept can be applied in various contexts, including: 1. **Computing**: In computing, reconfiguration refers to altering or adapting the configuration of hardware or software components. This can include changing system settings, modifying network configurations, or even updating software components to improve performance or achieve compatibility with other systems.
Philip Woodward is a name that might refer to different individuals or topics, depending on the context. One notable Philip Woodward is an influential figure in the field of mathematics and statistics, particularly associated with work in statistical theory and applications. He has made significant contributions to areas like prognostics and health management.
Charlotte Awbery is a British singer and songwriter who gained significant attention in early 2020 after a video of her singing in a London Underground station went viral. She performed a powerful rendition of "Shallow," a duet originally popularized by Lady Gaga and Bradley Cooper from the film "A Star Is Born." The video captured the attention of many, leading to her gaining a large following on social media and opportunities in the music industry.
The 2G spectrum case refers to a significant corruption scandal in India surrounding the allocation of 2G mobile telecom spectrum licenses in the mid-2000s. The controversy primarily revolved around the sale of spectrum to telecom operators, which was alleged to have been conducted in a fraudulent and non-transparent manner, leading to massive losses for the government.
Enthought is a software company known for its focus on scientific computing, data analysis, and visualization. Founded in 2001, Enthought provides tools, libraries, and services primarily aimed at researchers, scientists, and engineers. One of its most notable offerings is the Enthought Python Distribution (EPD), which includes a comprehensive collection of Python libraries for scientific computing and data analysis, such as NumPy, SciPy, and Matplotlib.
"Cleversticks" is a children's book written by David A. Adler and illustrated by Anna A. B. Hargreaves. The story typically revolves around themes of creativity, imagination, and self-expression, showcasing how children can engage with their environment in unique ways. The book encourages young readers to explore their own talents and interests.

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