Nathan Cohn is a journalist known for his work in data journalism and political analysis, particularly in the context of U.S. politics. He has contributed to The New York Times and played a role in covering elections and political trends, utilizing data to provide insights on voter behavior and electoral outcomes.
Endre Süli is a mathematician known for his work in numerical analysis and scientific computing. He is particularly recognized for his contributions to the development of finite element methods and their applications in engineering and physical sciences. His research often involves the mathematical aspects of numerical algorithms and their practical implementation.
The term "position" can have several meanings depending on the context in which it is used. Here are a few common interpretations: 1. **Physical Location**: In a physical context, "position" refers to the specific location of an object or individual in space. For example, the position of a car on a road or a person in a room. 2. **Job or Role**: In a professional context, "position" often refers to a job title or role within an organization.
Wendelin Werner is a prominent French mathematician known for his contributions to probability theory, particularly in the areas of statistical physics, conformal fields, and complex analysis. He was awarded the Fields Medal in 2006, one of the highest honors in mathematics, for his work on random processes and their connections to two-dimensional conformal field theory and statistical mechanics. Werner's research often involves the study of random walks, Brownian motion, and various other stochastic processes.
The Galactic halo is a large, spherical region that surrounds the disk of a galaxy, such as the Milky Way. It contains a sparse population of stars, globular clusters, and dark matter. Here are some key features of the Galactic halo: 1. **Structure**: The halo is not as densely populated as the galactic disk, which contains most of the galaxy's stars, gas, and dust.
A rectangular cuboid, also known as a rectangular prism, is a three-dimensional geometric shape that has six rectangular faces. The key characteristics of a rectangular cuboid include: 1. **Faces:** It has six faces, all of which are rectangles. 2. **Edges:** There are twelve edges in total, with three pairs of parallel edges. 3. **Vertices:** It has eight vertices (corners) where the edges meet.
A plasmon is a quantum of collective oscillation of free electrons in a material, particularly in metals. These oscillations can occur in response to electromagnetic fields, and they play a crucial role in several phenomena and technologies, including: 1. **Surface Plasmons**: These are coherent oscillations of electrons at the interface between a metal and a dielectric (non-conducting material).
A hemi-dodecahedron is a type of geometric solid that can be understood as a half of a regular dodecahedron. A regular dodecahedron is one of the five Platonic solids, characterized by having twelve regular pentagonal faces, twenty vertices, and thirty edges.
Magneto can refer to a few different things, depending on the context: 1. **Marvel Comics Character**: Magneto is a fictional character in the Marvel Comics universe, created by writer Stan Lee and artist Jack Kirby. He first appeared in "X-Men" #1 in 1963. Magneto, whose real name is Max Eisenhardt (often known as Erik Lensherr), is a powerful mutant with the ability to manipulate magnetic fields and control metal.
SLR grammar refers to a specific type of context-free grammar that is used in the SLR(1) parsing technique, a bottom-up parsing method used in compiler design. SLR stands for "Simple LR," and "1" indicates that the parser looks ahead one token in the input stream. ### Key Components of SLR Grammar: 1. **Context-Free Grammar (CFG):** SLR grammars are a subset of context-free grammars.
A formal system is a structured framework designed to derive theorems from a set of axioms through formal rules of inference. It consists of several key components: 1. **Alphabet**: A finite set of symbols used to construct expressions and statements within the system. 2. **Language**: The formal expressions are defined using the symbols of the alphabet based on specific grammatical rules. This includes both syntactic rules (how symbols can be combined) and semantic rules (meaning of the expressions).
Harold Stephen Black is best known as an American electrical engineer, inventor, and academic. He is particularly recognized for his development of the "Black amplifier," also known as the negative feedback amplifier, which significantly improved the performance of electronic amplifiers by reducing distortion and increasing stability. His work in the field of feedback systems has had a lasting impact on electronic engineering, influencing the design of a wide variety of electronic devices.
Homayoun Seraji refers to a Persian classical musician and composer, known for his contributions to Persian traditional music. He is particularly recognized for his expertise with the santur, a traditional Persian stringed instrument. Seraji's music often features a blend of classical Persian melodies and modern influences, reflecting a deep understanding of the historical and cultural aspects of Persian music. He may also be involved in teaching, promoting, and preserving Persian musical traditions through performances and recordings.
Discrete \( q \)-Hermite polynomials are a family of orthogonal polynomials that arise in the context of the theory of \( q \)-special functions and quantum calculus. They represent a \( q \)-analog of the classical Hermite polynomials, which are well-known in the study of orthogonal polynomials.
EPICS, or the Experimental Physics and Industrial Control System, is a software infrastructure and toolkit designed for building control systems in scientific research environments, particularly in large facilities such as particle accelerators, synchrotrons, telescopes, and large-scale scientific experiments. Key features of EPICS include: 1. **Modularity**: EPICS is designed to be modular, allowing users to create and integrate various components according to specific project needs.
Amateurism refers to the practice of engaging in an activity, particularly in sports or arts, without the primary aim of earning a profit from it. Individuals who participate as amateurs typically do so out of passion, enjoyment, or for the sake of competition rather than for monetary gain. Key characteristics of amateurism include: 1. **Non-Professional Status**: Amateurs are not paid for their participation or compete at a professional level. Their involvement is often voluntary and driven by personal interest.
Geolibertarianism is a political philosophy that combines elements of libertarianism with Georgism, a land-use philosophy developed by Henry George in the late 19th century. It emphasizes the importance of individual liberty and property rights while also advocating for the idea that land and natural resources should be considered as common heritage.
Brigitte Vallée could refer to a person or a term that isn't widely recognized outside of a specific context.
An **Evil number** is a non-negative integer that has an even number of 1s in its binary representation. For example, the decimal number 3, which is represented in binary as `11`, has two 1s, thus making it an Evil number. In contrast, the number 5, which has a binary representation of `101`, has three 1s and is therefore not an Evil number.

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