An ampere-hour (Ah) is a unit of electric charge that represents the amount of electric current in amperes (A) that a battery can deliver over the period of one hour. It is commonly used to express the capacity of batteries, indicating how long a battery can provide a specific current before it is depleted. For example, a battery rated at 1 ampere-hour can supply a current of 1 ampere for 1 hour, or 2 amperes for 0.
David Hartley (1705–1757) was an English philosopher, physician, and psychologist, best known for his work in associationism and the early development of empirical psychology. He is primarily noted for his influential book, "Observations on Man," published in 1749, where he sought to explain human thought and behavior through a mechanistic understanding of the mind. Hartley's philosophy was grounded in the notion that the mind operates through associations—connections formed between ideas based on experience.
Defensive programming is a software development practice aimed at writing code that remains functional and robust even in the face of unexpected inputs, usage scenarios, or system errors. The primary goal is to create software that anticipates potential issues and handles them gracefully, reducing the chances of bugs and increasing the overall reliability of the application. Key principles of defensive programming include: 1. **Input Validation**: Always validate inputs to ensure they meet expected formats and constraints.
The term "rabbit plagues" in Australia refers to the severe ecological and agricultural issues caused by the rapid proliferation of European rabbits (Oryctolagus cuniculus) after their introduction to the continent in the late 18th century. Brought to Australia for sport hunting in the 1850s, rabbits adapted quickly to the local environment and became a significant pest, leading to widespread environmental damage.
KCNK13, also known as TWIK-2 (Two-Pore domain potassium channel 2), is a gene that encodes a potassium channel protein in humans. It is part of the two-pore domain (K2P) potassium channel family, which is characterized by its unique structure and function. These channels play a vital role in maintaining the resting membrane potential of cells, regulating excitability, and controlling various physiological processes, including neuronal signaling, muscle contraction, and cardiac function.
KCNK16, also known as "potassium channel, subfamily K, member 16," is a gene that encodes a protein which is part of the two-pore domain potassium channel (K2P) family. These channels are involved in the regulation of potassium ion permeability across cell membranes and play a critical role in maintaining the cell's resting membrane potential, contributing to various physiological processes such as muscle contraction, neurotransmitter release, and the regulation of excitability in neurons.
Anna Winlock was an American astronomer and a notable figure in 19th-century science. She is best known for her work in the field of astronomy, particularly her contributions to the study of double stars and her involvement with observatory work. Winlock was the daughter of William C. Winlock, an astronomer who worked at the Harvard College Observatory. She played a significant role in the advancement of female participation in scientific fields during a time when such opportunities were limited for women.
Anisotropy energy refers to the energy associated with the directional dependence of a material's properties, particularly in the context of magnetism. In magnetic materials, anisotropy describes how the magnetic properties (such as magnetization) vary with direction. The concept is crucial in understanding phenomena like magnetization, magnetic domain formation, and magnetic behavior in various applications, including data storage and permanent magnets.
The anti-nuclear power movement is a social and political movement that opposes the use of nuclear energy for electricity generation and other purposes. This movement emerged in response to various factors, including safety concerns, environmental considerations, and the potential risks associated with nuclear technology.
Gąski is a village located in the Koszalin County of West Pomeranian Voivodeship in Poland. It is situated near the Baltic Sea coast, not far from the town of Koszalin. Gąski is known for its picturesque surroundings, including beaches and forests, and is popular for tourism, especially during the summer months. One notable feature of Gąski is its lighthouse, which is a historical landmark and a popular destination for visitors.
Antonio Ferri could refer to different individuals or contexts, as it is not a widely recognized name in popular culture, history, or notable events. If you are looking for a specific Antonio Ferri, such as an artist, academic, or a person involved in a specific field, please provide more details. Alternatively, it could also refer to a business or brand if that is the context you are interested in.
APEXC could refer to various things depending on the context, but it isn't a widely recognized acronym or term as of my last knowledge update in October 2023. It may relate to a specific company, product, conference, or technology that emerged after that date.
Approximation error refers to the difference between a value produced by an approximate method and the exact or true value that one is trying to estimate or calculate. In various fields such as mathematics, statistics, computer science, and engineering, approximation errors occur when simplified models, numerical methods, or algorithms are used to estimate more complex systems or functions.
Voluntarism, in philosophy, is a school of thought that emphasizes the role of the will, or volition, in human behavior, decision-making, and the nature of reality. The term can be understood in several contexts, including metaphysics, ethics, and political philosophy. Here are some key aspects: 1. **Metaphysical Voluntarism**: This aspect posits that the will is a fundamental or primary force in the universe.
Arun K. Somani is an academic and researcher known for his work in the fields of electrical and computer engineering. He has contributed to various areas including computer networks, cybersecurity, and wireless communication. Somani is associated with institutions of higher education where he has been involved in teaching, research, and publication.
The term "assault weapon" generally refers to a category of firearms that are characterized by certain features, which make them capable of rapid fire or are designed for military use. However, the definition can vary depending on the legal context and the jurisdiction. In the U.S.
In field theory, a **primitive polynomial** is a special type of polynomial that plays a significant role in constructing finite fields (also known as Galois fields) and in various areas of algebra.
In the context of algebra, particularly in ring theory and module theory, an **augmentation ideal** is a specific ideal associated with a group ring or a similar algebraic structure. ### Definition 1. **Group Ring Context**: If \( k \) is a field and \( G \) is a group, the group ring \( k[G] \) consists of formal sums of elements of \( G \) with coefficients in \( k \).
In set theory and topology, a **Baire space** is a topological space that satisfies a particular property related to the concept of "largeness" in topology. Specifically, a topological space \( X \) is called a Baire space if the intersection of any countable collection of dense open sets in \( X \) is dense in \( X \).
Almeida–Pineda recurrent backpropagation is a technique used for training recurrent neural networks (RNNs). It was introduced by J. Almeida and M. Pineda in a paper published in the late 1980s. This method is an extension of the standard backpropagation algorithm, which is typically used for feedforward neural networks.

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