Corentin Louis Kervran (1901–1993) was a French biologist and researcher known for his unconventional ideas in the field of biology, particularly regarding the concept of biological transmutation. Kervran proposed that living organisms could transform one element into another through biological processes, challenging traditional views of chemistry and biology that adhere to the laws of conservation of mass. His theories garnered interest and some controversy, as they suggested that transmutation could occur within the context of biological systems.
A microelectrode is a small electrode with a diameter typically in the micrometer range, often used in electrophysiological studies and in various applications in biomedical research, neuroscience, and materials science. Due to their small size, microelectrodes can be inserted into individual cells or tissues, allowing for precise measurements of electrical activity, ion concentrations, or other chemical properties at a very localized level.
ORCA is a computational quantum chemistry program designed to perform a variety of quantum mechanical calculations on molecular systems. It is particularly known for its versatility and efficiency and is used by researchers in fields such as chemistry, material science, and biochemistry. The package is capable of performing a range of methods, including: 1. **Density Functional Theory (DFT)**: ORCA supports numerous DFT functionals, making it suitable for studying electron densities and energy landscapes.
The transverse-field Ising model (TFIM) is a fundamental model in statistical mechanics and quantum physics used to study phase transitions and quantum critical phenomena. It is an extension of the classical Ising model, which describes spins on a lattice that can take on values of +1 or -1, interacting with their neighbors. In the TFIM, in addition to the nearest-neighbor interactions, a transverse magnetic field is applied, which influences the spins in a direction perpendicular to the Ising interactions.
Ira N. Levine is a prominent American physicist known for his contributions to the field of physical chemistry and chemistry education. He is particularly recognized for his work on the principles of physical chemistry, which has been widely disseminated through his textbook, "Physical Chemistry." This textbook is often used in university courses and is appreciated for its clarity and comprehensive coverage of the subject. Levine has had a significant impact on both the academic community and students studying chemistry.
Formation evaluation neutron porosity refers to a technique used in petroleum engineering and geophysical studies to assess the porosity of subsurface formations, particularly in reservoir rocks. This method primarily utilizes neutron logs, which are a type of well log that measures the response of hydrogen atoms in the formation.
As of my last update in October 2023, I do not have any specific information on a person named Clive Foxell. It's possible that he may not be a widely recognized public figure or might be known in a specific context or field not covered in my training data.
A Random Tree is a type of decision tree model that is typically used in the context of ensemble learning methods, particularly in algorithms like Random Forests. Here are some key points about Random Trees: 1. **Basic Concept**: A Random Tree is a decision tree that makes splits based on a random subset of features and data points. This randomization helps reduce overfitting, which is a common problem in standard decision trees.
Beilinson–Bernstein localization is a conceptual framework in the field of representation theory and algebraic geometry. It is named after the mathematicians Alexander Beilinson and Jacob Bernstein, who developed these ideas in the context of the theory of representation of Lie algebras and their categories.
Dade isometry is a concept in the field of representation theory of finite groups, specifically related to the study of modular representation theory. It is named after the mathematician Everett Dade, who introduced the idea in the context of character theory and representations over fields of positive characteristic.
Religious rhetoric refers to the use of language and communication strategies within a religious context to convey beliefs, persuade followers, inspire action, or articulate religious teachings. It encompasses various forms of expression, including sermons, prayers, religious texts, debates, and spiritual discussions. Key components of religious rhetoric include: 1. **Persuasion**: Religious rhetoric often aims to convince individuals or communities to adopt certain beliefs, adhere to moral principles, or engage in specific practices.
The Belgrade Competition in Oratory is a prestigious public speaking competition that typically attracts participants from various countries. It focuses on cultivating oratory skills and providing a platform for young speakers to showcase their abilities in argumentation, persuasion, and presentation. The competition may include various formats of speeches, such as prepared speeches, impromptu speaking, and debate-style presentations. Participants are often judged on criteria such as clarity, creativity, eloquence, and the effectiveness of their arguments.
Constitutive rhetoric is a concept in rhetorical studies that emphasizes how rhetoric not only communicates messages but also plays a critical role in constituting social identities, relationships, and communities. Rather than simply persuading an audience or conveying information, constitutive rhetoric is concerned with how discourse shapes reality, influences perceptions, and creates collective identities.
Description refers to the process of giving an account of something in words, detailing its characteristics, features, or qualities. It often includes information about appearance, function, and context to help the reader or listener understand the subject better. Descriptions can be found in various forms, such as: 1. **Literary Description:** Used in writing to create vivid imagery, evoking emotions and painting a picture in the reader's mind.
Leavitt path algebras are a class of algebras that arise from directed graphs (or quivers) and are named after the mathematician William G. Leavitt, who studied related structures in the context of rings. **Definition:** A Leavitt path algebra is constructed from a directed graph \( E \) and involves both paths in the graph and the concept of vertices and edges.
A Poisson ring is an algebraic structure that combines aspects of both ring theory and Poisson algebra. Specifically, a Poisson ring is a commutative ring \( R \) equipped with a bilinear operation called the Poisson bracket, denoted \(\{ \cdot, \cdot \}\), that satisfies certain properties.
Alexander Efros is a prominent computer scientist known for his contributions to the fields of computer vision, machine learning, and computer graphics. He has conducted significant research in areas such as image recognition, object detection, and visual understanding, and he has published numerous influential papers on these topics. Efros has been involved in developing algorithms and systems that facilitate machines' ability to interpret and understand visual information. He is also known for his work on various applications of computer vision, including image synthesis and enhancement.
Avenir Aleksandrovich Yakovkin does not appear to be a widely recognized figure or concept based on the information available up to October 2023. It's possible that he may be a private individual or a figure in a specific niche, community, or work that is not broadly known.
Scorewriters for Linux typically refer to music notation software that operates on the Linux operating system, allowing users to compose, arrange, and print sheet music. While there are several music notation programs available for Linux, one of the most notable is **MuseScore**. MuseScore is a free and open-source music notation software with features such as: - A user-friendly interface for creating sheet music. - Support for various music symbols, dynamics, and articulations. - Playback capabilities to listen to compositions.
High-frequency approximation refers to a method or approach used in various fields, such as physics, engineering, and applied mathematics, to simplify the analysis of systems or phenomena that exhibit high-frequency behavior. The core idea is to make approximations that become valid when the frequency of interest is much larger than certain characteristic frequencies of the system.

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 5. . 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.
  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