Gustav Elfving does not appear to be a widely recognized figure as of my last available data in October 2023. It is possible that he may be a private individual, a professional in a specific field, or a fictional character.
The Siegel zero is a concept in number theory, particularly in the field of analytic number theory. It refers to a hypothetical zero of a certain class of Dirichlet L-functions, specifically those associated with non-principal characters of a Dirichlet character modulo \( q \). The Siegel zero is named after Carl Ludwig Siegel, who studied these functions.
J. Michael Steele is a prominent American statistician known for his work in the fields of statistical theory and applications. He is a faculty member at the Department of Statistics at the University of California, Berkeley. His research interests include robust statistics, multivariate statistics, and the development of statistical methodology for practical applications. Steele has authored numerous papers and several books, contributing significantly to the advancement of statistical science.
The term "Z function" can refer to several concepts in different fields. Here are a few possibilities: 1. **Mathematical Zeta Function**: In number theory, the Riemann Zeta function, denoted as ζ(s), is a complex function that plays a critical role in the distribution of prime numbers.
Ran Raz is a computer scientist known for his contributions to theoretical computer science, particularly in the fields of computational complexity, algorithms, and cryptography. He has made significant strides in understanding the limitations of algorithms and the foundations of randomness in computation. Raz is perhaps best known for his work on the "raz graph," an important concept in the study of communication complexity and lower bounds for various computational models. Additionally, he has contributed to topics like approximation algorithms and hardness of approximation.
Cun (also spelled "cun") is a traditional Chinese unit of measurement for length, commonly used in contexts involving carpentry and construction, particularly in the measurement of wood. One cun is generally considered to be approximately 3.3 centimeters or about 1.3 inches. However, the exact length can vary slightly depending on historical context and regional variations in China.
A "saved game" refers to a stored state of a video game that allows players to save their progress and resume playing later from that specific point. When a player saves a game, the game's current state—including character progress, inventory, location, and any other relevant information—is recorded. This enables players to return to the game without having to start over from the beginning or lose their achievements.
A "shake" is a unit of time that is typically used in nuclear physics and is defined as \(10^{-8}\) seconds, or 10 nanoseconds. The term originated from the idea that the time it takes for a nuclear explosion to produce significant observable effects is on the order of this duration. It is a non-SI unit and is primarily used in contexts related to radiation and nuclear processes, where precise measurements of time intervals in the nanosecond range are often necessary.
As of my last knowledge update in October 2021, there is no widely recognized figure or concept known as "David Rytz." It's possible that he is a private individual or a lesser-known person who has gained prominence after that date.
A sonnet is a poetic form that traditionally consists of 14 lines, written in iambic pentameter. The two most well-known types of sonnets are the Shakespearean (or English) sonnet and the Petrarchan (or Italian) sonnet. 1. **Shakespearean Sonnet**: This form is composed of three quatrains (four-line stanzas) followed by a final couplet (two-line stanza).
A lunar day is the period it takes for the Moon to rotate once on its axis relative to the Earth and the Sun. This period is about 29.5 Earth days, which is the time it takes for the Moon to go through all its phases, from new moon to full moon and back again. To clarify, a lunar day is not the same as the time it takes the Moon to orbit the Earth, which is approximately 27.
"Nychthemeron" is a term derived from the Greek words "nyktos" (night) and "hemeron" (day), and it refers to a 24-hour period that includes both day and night. In a more specific context, it is often used in literature, philosophy, and various disciplines to emphasize a complete cycle of time that encompasses both the daytime and nighttime phases, highlighting the duality and continuity of time.
A trimester is a term commonly used to describe a division of the academic year or other periods of time into three parts. It is often used in educational contexts, particularly in schools and universities, to organize the academic calendar. Each trimester typically spans about 12 to 13 weeks, allowing for three complete terms in a year. In the context of education, the structure can allow for varied course offerings and schedules.
A dry gallon is a unit of measurement used for dry volumes, primarily in the United States. It is distinct from the more commonly known liquid gallon. 1. **Volume**: One dry gallon is equivalent to approximately 4.404 liters. 2. **Measurement**: The dry gallon is often used for measuring the volume of dry goods, such as grains, fruits, or other agricultural products. It's important to note that while the dry gallon is part of the U.S.
"Chhand" (or "Chanda") refers to a metrical pattern or rhythm in classical Sanskrit poetry and in various other Indian languages. It defines the structure of the poem, including the number of syllables per line and the arrangement of long and short syllables, which determines the meter of the verse. In Indian literature, particularly in the context of poetry and classical texts, chhand plays a vital role in creating musicality and aesthetic appeal.
Chitra-kavya refers to a type of poetic composition in Sanskrit literature that incorporates visual elements or is concerned with visual art, such as painting or sculpture. The term "Chitra" means "picture" or "image," while "kavya" refers to poetry. This genre often intertwines literary and visual artistry, emphasizing the aesthetic qualities of both words and images. Chitra-kavya can involve intricate descriptions of visual scenes, celebrating the beauty of art and the natural world.
A verse paragraph typically refers to a section of text in poetry or song lyrics that is arranged in a structured format, often characterized by rhythm, meter, and sometimes rhyme. In contrast to prose, which flows in continuous sentences and paragraphs without specific breaks or structures, a verse paragraph is organized into lines and stanzas. In poetry, a verse paragraph may contain a theme or message and can vary in length.
A Rack Unit, often abbreviated as "U" (or sometimes just "RU"), is a standardized unit of measurement used to describe the height of equipment designed to be mounted in a standard 19-inch server rack or equipment rack. One Rack Unit is equivalent to 1.75 inches (44.45 mm) in height. Equipment that is mounted in racks, such as servers, networking gear, and storage devices, is typically specified in terms of Rack Units.
A "seconds pendulum" is a type of pendulum that has a period of exactly two seconds—one second to swing in one direction and one second to return to its starting point. This means it completes a full oscillation (back and forth) in two seconds. The period of a simple pendulum is influenced by its length and the acceleration due to gravity.

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