English physical chemists are scientists who specialize in the field of physical chemistry in England. Physical chemistry is a branch of chemistry that focuses on understanding how matter behaves on a molecular and atomic level, and how chemical reactions occur. It combines principles of physics and chemistry to study various properties of substances and the changes they undergo during chemical reactions. English physical chemists may engage in research and development in various areas, including thermodynamics, quantum chemistry, kinetics, and spectroscopy.
Enterprise Dynamics is a software platform primarily used for modeling, simulating, and analyzing complex systems and processes within various industries, such as manufacturing, logistics, healthcare, and service operations. It enables organizations to visualize their operations, identify bottlenecks, optimize resource allocation, and improve overall efficiency. The key features of Enterprise Dynamics typically include: 1. **Modeling**: Users can create detailed models of their systems using graphical interfaces, incorporating various elements such as resources, processes, and workflows.
Entropy is a fundamental concept in both thermodynamics and information theory, but it has distinct meanings and applications in each field. ### Entropy in Thermodynamics In thermodynamics, entropy is a measure of the amount of disorder or randomness in a system. It quantifies the number of microscopic configurations that correspond to a thermodynamic system's macroscopic state.
Environmental magnetism is the study of the magnetic properties of natural and anthropogenic (human-made) materials in the environment, particularly sediments, rocks, and soils. It investigates how these magnetic properties can provide insights into various natural processes and environmental changes over time. The key aspects of environmental magnetism include: 1. **Magnetic Minerals**: Environmental magnetism primarily focuses on magnetic minerals, such as magnetite and hematite.
The Environmental Science Services Administration (ESSA) was a United States federal agency that operated from 1965 until 1970. Its primary role was to provide scientific information and services related to atmospheric and oceanic phenomena. ESSA was responsible for research, data collection, and the dissemination of information pertaining to weather, climate, and ocean conditions, which included overseeing the National Weather Service and the National Oceanic and Atmospheric Administration's (NOAA) activities.
Ephraim M. Sparrow is not a widely recognized figure or term in popular culture, academia, or historical records. It is possible that he could be a private individual or a fictional character whose relevance isn't broadly documented. If you have a specific context or more information about Ephraim M.
In mathematics, the term "equaliser" typically refers to a concept in category theory. An equaliser is a way to capture the idea of two morphisms (i.e., functions or arrows) being equal in some sense.
The Equatorial Electrojet (EEJ) is a narrow band of enhanced eastward flowing electric current that occurs in the equatorial region of the Earth's ionosphere, specifically between approximately 1°N and 1°S latitude. This phenomenon is primarily observed in the E-region of the ionosphere, at altitudes ranging from about 100 to 120 kilometers (approximately 62 to 75 miles) above the Earth's surface.
Equisatisfiability is a concept in logic and computer science, particularly within the fields of propositional logic and satisfiability (SAT) problems. Two logical formulas are said to be equisatisfiable if they have the same satisfiability status; that is, if one formula is satisfiable (there exists an assignment of truth values to its variables that makes the formula true), then the other formula is also satisfiable, and vice versa.
The equivalence of metrics is a concept in metric spaces that refers to the idea that two different metrics define the same topology on a set. In more formal terms, two metrics \( d_1 \) and \( d_2 \) on a set \( X \) are said to be equivalent if they induce the same notions of convergence, continuity, and open sets.
The Erdős–Faber–Lovász conjecture is a famous open problem in graph theory, specifically in the field of combinatorial mathematics. It was proposed by mathematicians Paul Erdős, V. T. Faber, and László Lovász in 1972. The conjecture concerns the coloring of graphs formed by a specific construction.
"Del" can refer to different things depending on the context. Here are a few possibilities: 1. **Key on Keyboard**: The "Del" key, short for "Delete," is a key on computer keyboards. It is used to delete text or objects in various software applications. 2. **Mathematics**: In mathematics, particularly in vector calculus, "Del" (often represented as the symbol ∇) refers to the vector differential operator.
Erhard Schmidt can refer to different individuals, but one prominent figure associated with that name is Erhard Schmidt (1868–1959), a German mathematician known for his work in the field of functional analysis and algebra. He made significant contributions to the theory of linear spaces and has been referenced in various mathematical contexts.
Eric Hehner is a notable figure in the field of computer science, particularly known for his work in programming language theory and formal methods. He has made significant contributions to the development of techniques for specifying and reasoning about computer programs. Hehner is often associated with concepts such as formal specification, program correctness, and the use of logical frameworks in software development. His work includes the design and implementation of programming languages, as well as research on the principles and fundamentals of computing.
Ernest Henry Rutter (1889–1968) was a notable British botanist, particularly recognized for his work in plant physiology and ecology. He made significant contributions to the understanding of plant growth and development and conducted extensive research on the effects of environmental factors on plant life. His work has implications for agriculture, ecology, and conservation.
Ernst Hölder was a German mathematician known for his contributions to various fields of mathematics, particularly in analysis and number theory. He is best known for Hölder's inequality, which is a fundamental result in functional analysis and a key tool in various areas of mathematics, including probability theory and statistics.
Error analysis in mathematics refers to the study of errors in numerical computation and mathematical modeling, focusing on the quantification and management of inaccuracies that arise during calculations and approximations. It involves understanding how errors can propagate through calculations and how to minimize them to ensure more reliable results. There are several types of errors commonly analyzed: 1. **Absolute Error**: The difference between the exact value and the approximate value. It quantifies how far off an approximation is from the true value.
Error Management Theory (EMT) is a psychological framework developed to explain how individuals make decisions in uncertain situations, particularly in the context of social and romantic relationships. The theory posits that humans are evolutionarily predisposed to manage errors in judgment, especially when it comes to evaluating others' romantic interest or fidelity. Key tenets of Error Management Theory include: 1. **Asymmetrical Costs of Errors**: EMT emphasizes that the costs associated with false positives (e.g.
Pinned article: ourbigbook/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 2. You can publish local OurBigBook lightweight markup files to either OurBigBook.com or as a static website.Figure 3. Visual Studio Code extension installation.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. - 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