V. John Krehbiel is a prominent American businessman and philanthropist known primarily for his involvement in the furniture industry. He is one of the co-founders of the company Krehbiel, which specializes in the production and design of various types of furniture. In addition to his business pursuits, Krehbiel is recognized for his charitable activities and contributions to various educational and community organizations. His work has had a significant impact on both the furniture industry and the philanthropic landscape.
The list of minor planets between 235001 and 236000 includes various small celestial bodies in our solar system, primarily consisting of asteroids and some other small solar system objects. Unfortunately, I cannot provide the complete list as it would be too long, but I can describe how minor planets are generally categorized and how you can find this information. Minor planets are often named and numbered after their discovery, and each assigned number corresponds to their order of discovery.
The list of minor planets numbered 290001 to 291000 contains a series of small celestial bodies that have been cataloged and officially numbered by the International Astronomical Union (IAU).
The list of minor planets numbered from 309001 to 310000 includes various small celestial bodies that have been cataloged and assigned numbers. Each minor planet typically includes a designation number, a provisional designation (if applicable), and sometimes a name if the body has been officially named. The Minor Planet Center (MPC) is responsible for maintaining the official catalog of minor planets and can provide detailed information on each specific object, including discovery details, orbital elements, and other relevant data.
The list of minor planets numbered from 454001 to 455000 includes various small celestial bodies that orbit the Sun, primarily in the asteroid belt between Mars and Jupiter. These minor planets are cataloged by the Minor Planet Center, which assigns a unique number to each discovered object. Due to the large number of minor planets in this range, specific details about each one, including their names, discovery dates, and physical characteristics, would typically be found in specialized astronomical databases or publications.
The list of minor planets numbered from 455001 to 456000 includes various small celestial bodies that orbit the Sun. These minor planets often include asteroids found in the asteroid belt, as well as other small bodies in different regions of the solar system.
The "List of minor planets: 460001–461000" refers to a specific range of numbered minor planets (also known as asteroids) in the asteroid belt or other regions of the solar system. Minor planets are small celestial bodies that orbit the Sun and are not classified as comets. The numbering of minor planets is managed by the International Astronomical Union (IAU).
The list of minor planets in the range of 478001 to 479000 includes a number of numbered asteroids that have been cataloged by the Minor Planet Center. Each of these objects typically has its own unique designation, which is assigned when it is officially discovered and confirmed.
The "List of minor planets: 611001–612000" refers to a catalog of minor planets (or asteroids) numbered between 611001 and 612000. Minor planets are celestial bodies in orbit around the Sun that are neither comets nor major planets; they include asteroids and other small solar system bodies.
The "List of minor planets: 82001–83000" refers to the catalog of minor planets (often referred to as asteroids) that are numbered between 82,001 and 83,000. Each minor planet is assigned a unique number by the International Astronomical Union (IAU) when it is confirmed and officially accepted.
Apparent magnitude is a measure of the brightness of a celestial object as seen from Earth. It quantifies how bright an object appears to an observer, regardless of its actual distance from the observer or its intrinsic luminosity. The scale of apparent magnitude is logarithmic: a difference of 5 magnitudes corresponds to a brightness factor of 100. This means that a difference of 1 magnitude corresponds to a brightness factor of about 2.5.
The "Blue Book" and "Brown Book" generally refer to two sets of influential publications in the field of mathematics and physics, particularly related to the work of the mathematician and physicist John von Neumann and the computer scientist Donald Knuth, respectively. 1. **Blue Book**: Often refers to "Theory of Games and Economic Behavior," co-authored by John von Neumann and Oskar Morgenstern in 1944.
DiVincenzo's criteria are a set of conditions proposed by David P. DiVincenzo in 2000 that aim to outline the necessary requirements for a physical system to effectively realize quantum computing. These criteria are intended to guide the development of quantum computers and assess the feasibility of various quantum systems. The criteria include: 1. **Qubit Specification**: A scalable system for the creation of qubits must be available.
"The Laws of Thought" refers to a set of principles in formal logic that govern reasoning and inference. Traditionally, these laws are associated with classical logic and are often summarized in three main principles: 1. **Law of Identity**: This law states that an object is the same as itself. In formal terms, it can be expressed as \( A \) is \( A \). It asserts that if something is true, then it is true.
Logic gates are basic building blocks of digital circuits and are used in various electronic devices, including computers, smartphones, and other digital systems. They perform fundamental logical functions that are essential for digital processing. Each logic gate represents a specific logical operation based on Boolean algebra. Here are the most common types of logic gates: 1. **AND Gate**: Outputs true (1) only if both of its inputs are true (1).
Logical calculi (singular: logical calculus) are formal systems used in mathematical logic to represent, manipulate, and infer logical statements or propositions. They provide a structured way to reason formally about truth, validity, and deduction. Logical calculi form the foundation for various fields such as mathematics, computer science, and philosophy. Here are some key points about logical calculi: 1. **Components**: - **Syntax**: The formal rules and symbols used to construct statements or formulas.
Proof complexity is a field of computational complexity theory that studies the resources required to prove statements in formal systems. It focuses on understanding the efficiency and limitations of formal proofs, particularly in relation to various proof systems, such as propositional logic, first-order logic, and more advanced logics. Key aspects of proof complexity include: 1. **Proof Length**: One of the primary metrics in proof complexity is the length of proofs.
Forensic materials engineering is a specialized field that applies principles of materials science and engineering to the investigation of materials-related incidents or failures, often in a legal or criminal context. This discipline involves the analysis of materials—such as metals, polymers, ceramics, and composites—to determine their properties, behavior, and the causes of their failure. Key aspects of forensic materials engineering include: 1. **Failure Analysis**: Identifying the reasons behind the failure of materials in structures, components, or products.
Exact diagonalization is a numerical technique used in quantum mechanics and condensed matter physics to solve quantum many-body problems. The goal is to find the eigenvalues and eigenstates of a Hamiltonian, which describes the energy and dynamics of a quantum system. This method is particularly useful for systems with a finite number of degrees of freedom, such as spin systems or small lattice models.
Landolt–Börnstein is a comprehensive series of reference works that provide data on the physical and chemical properties of materials. It is published by Springer and is part of the "New Series" of Landolt–Börnstein, which has its roots in earlier works initiated by Hans Landolt and Richard Börnstein in the early 20th century.

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