Nissim Francez is a prominent figure in the field of computer science, particularly known for his contributions to formal methods, automata theory, and the theory of computation. He has been involved in research that intersects theoretical computer science with practical applications, including programming languages and semantics. Francez has also been associated with academic institutions and has published a number of research papers and articles in these areas.
Expressivism is a philosophical view primarily associated with the philosophy of language, ethics, and metaethics. It emphasizes the role of expressions of feelings, attitudes, or emotions in communication rather than solely focusing on the truth or falsity of assertions. In the context of ethics, expressivism holds that moral statements do not describe objective features of the world but rather express the speaker's emotional responses or attitudes towards a particular issue.
Internal pressure refers to the pressure that exists within a confined space, such as a container, vessel, or any system that holds a fluid (liquid or gas). This pressure is caused by the molecules of the substance interacting with each other and the walls of the container. Key points about internal pressure include: 1. **Definition**: Internal pressure is the force exerted by the molecules of a fluid on the walls of its container.
Perspectival realism is a philosophical stance that seeks to reconcile scientific realism with our understanding of knowledge as inherently situated or perspective-dependent. It suggests that our understanding of reality is shaped by different perspectives and contexts, yet this doesn't negate the existence of an objective reality. In essence, perspectival realism asserts that while knowledge may be influenced by various viewpoints, such as cultural, historical, or disciplinary lenses, there can still be a common, underlying reality that can be accessed and understood through those various perspectives.
Elias Gyftopoulos is a notable figure in the fields of thermal sciences and energy engineering. He is recognized for his contributions to the understanding of thermodynamics, heat transfer, and energy systems. Gyftopoulos has held academic positions and has been involved in research and education at various institutions. He is also known for his work on the philosophical and foundational aspects of thermodynamics.
The heat of vaporization (also known as enthalpy of vaporization) is the amount of energy required to convert a unit mass of a substance from a liquid into a vapor at a constant temperature and pressure. For elements, this value varies significantly and is typically measured in joules per gram (J/g) or kilojoules per mole (kJ/mol).
Wolfgang Pauli (1900-1958) was an influential Austrian theoretical physicist who is best known for his work in quantum mechanics. He is particularly renowned for formulating the Pauli Exclusion Principle, which states that no two identical fermions (such as electrons) can occupy the same quantum state simultaneously. This principle is fundamental to the structure of atoms and explains a wide range of physical and chemical phenomena, including the behavior of electrons in atoms and the stability of matter.
A cryometer is an instrument used to measure very low temperatures, typically in the cryogenic range, which is generally considered to be below -150 degrees Celsius (-238 degrees Fahrenheit). Cryometers can be used in various scientific and industrial applications, including material testing, fundamental physics research, or in the cooling processes of technologies such as superconductors. Different types of cryometers operate on various principles.
Thin-film optics is the study of light behavior as it interacts with thin layers of materials, typically ranging from a few nanometers to several micrometers in thickness. These thin films can cause various optical phenomena due to the interference of light waves reflected and transmitted at the boundaries of the film. ### Key Concepts in Thin-Film Optics: 1. **Interference**: When light waves reflect off the upper and lower boundaries of a thin film, they can interfere with one another.
Edison's Black Maria, also known as the Black Maria studio, was the first movie studio in the United States, created by inventor Thomas Edison in 1893. Located in West Orange, New Jersey, the studio was a small, tar-paper-covered building that was designed to be a versatile, movable structure. Its unique design included a rotating roof, allowing natural light to enter at various angles—ideal for filming.
The tachyonic antitelephone is a hypothetical concept in theoretical physics that involves the use of hypothetical particles called tachyons, which are theorized to travel faster than the speed of light. The concept was introduced by physicists to explore the implications of faster-than-light communication. In essence, the tachyonic antitelephone is a thought experiment that suggests a method of communication using tachyons.
Egschiglen is a traditional form of Mongolian throat singing, known as "Khoomei," which allows singers to produce multiple pitches simultaneously. The term "Egschiglen" often specifically refers to a style or repertoire of throat singing that showcases the unique vocal techniques and cultural significance of this art form. In Mongolian culture, throat singing is closely tied to the natural landscape, shamanistic practices, and the nomadic lifestyle of the Mongolian people.
"Discourse on the Tides" is not a widely recognized term or title in conventional literature, philosophy, or scholarship, as of my last update in October 2023. It could potentially refer to a specific text, artistic work, or concept that has emerged recently or may be related to themes of change, movement, or the philosophical implications of tides—common metaphors in discussions about human experience, nature, or societal shifts.
A **string graph** is a type of intersection graph that can be constructed from a collection of continuous curves (strings) in a two-dimensional space. More formally, a string graph is defined as the graph whose vertices correspond to these curves, and there is an edge between two vertices if and only if the corresponding curves intersect at some point in the plane.
Chain linking is a method used in various fields, primarily in economic statistics and time series analysis, to connect different data points or measurements over time to create a more continuous series of data. It allows for the adjustment of data to reflect changes in price levels or quantities, enabling better comparisons across different periods. In the context of economics, chain linking often refers to the way that real GDP (Gross Domestic Product) or other economic indicators are calculated to account for inflation.
Mean Absolute Scaled Error (MASE) is a metric used to evaluate the accuracy of forecasting methods. It provides a scale-free measure of forecasting accuracy, making it useful for comparing forecast performance across different datasets and scales.
Smoothing is a statistical technique used to reduce noise and variability in data to reveal underlying patterns or trends. It is commonly applied in various fields, such as signal processing, time series analysis, data visualization, and machine learning. The goal of smoothing is to make the important features of the dataset more apparent, allowing for clearer insights and analysis.
The Green–Kubo relations are a set of fundamental equations in statistical mechanics that relate transport coefficients, such as viscosity, thermal conductivity, and diffusion coefficients, to the time correlation functions of the corresponding fluxes. These relations are named after physicists Merle A. Green and Ryōji Kubo, who developed the framework for understanding transport phenomena using statistical mechanics.
A **compactly generated group** is a type of topological group that can be characterized by the manner in which it is generated by compact subsets. Specifically, a topological group \( G \) is said to be compactly generated if there exists a compact subset \( K \subseteq G \) such that the whole group \( G \) can be expressed as the closure of the subgroup generated by \( K \).
The inductive tensor product is a concept that arises in functional analysis and the theory of nuclear spaces. It is a construction that provides a way to produce a tensor product of topological vector spaces while preserving certain properties, particularly those related to continuity and compactness.

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