Direct Fusion Drive (DFD) is a proposed propulsion technology primarily for space travel that combines nuclear fusion with electric propulsion. Developed by the Focused Energy group at the University of Buffalo and other institutions, the DFD aims to utilize nuclear fusion reactions to provide thrust for spacecraft. Here are some key features of Direct Fusion Drive: 1. **Nuclear Fusion**: DFD utilizes fusion reactions, specifically those occurring between deuterium and helium-3 isotopes.
Neutral-beam injection (NBI) is a technique commonly used in plasma physics and nuclear fusion research to heat and sustain plasmas. It involves the injection of neutral atoms or molecules into a plasma, where they can collide with plasma particles and transfer energy, thereby increasing the temperature and density of the plasma.
Computer Arimaa refers to artificial intelligence (AI) programs that play the board game Arimaa, which was invented by Omar Syed in 2003. The game is designed to be difficult for computers to master, even though it is based on simple rules. Arimaa is notable for its complexity despite having a simple set of pieces and rules similar to chess.
A "Kingmaker scenario" generally refers to a situation in politics, gaming, or other competitive environments where one party (the "kingmaker") holds significant influence over the selection or election of a leader or winner, despite not being a candidate themselves. This influence can be exercised through various means, such as strategic alliances, endorsements, or the ability to sway voters or other influential figures.
Frederik Schuh is a prominent name in the field of social media and hospitality marketing. He has gained recognition for his work in helping hospitality businesses enhance their online presence and engage effectively with audiences.
As of my last knowledge update in October 2023, there isn't a widely known figure or topic by the name "Artyom Shneyerov." It's possible that he could be an emerging individual in a specific field, or perhaps a private individual not widely recognized in public databases or media.
Myrna Wooders is a well-regarded economist known for her contributions to the fields of game theory, public economics, and economic theory. She has published numerous research papers and articles, focusing on topics such as cooperative game theory, public goods, and the role of institutions in economic outcomes. Wooders has also been involved in academia, teaching, and mentoring students in economics.
George R. Price was a notable American mathematician and population biologist, primarily known for his work in theoretical biology and for developing the Price equation, which describes how the frequency of alleles in a population changes over time due to different evolutionary processes. His equation is significant in the fields of evolutionary biology and genetics. In addition to his contributions to mathematics and biology, Price had an intriguing life, marked by his shift from academia to a more philosophical and sometimes challenging existence in later years.
Matthew O. Jackson is an economist known for his research in the fields of game theory, network theory, and social and economic interactions. He has made significant contributions to understanding how networks influence economic behavior and outcomes, as well as investigating topics related to matching, bargaining, and social dynamics. Jackson has held academic positions at various institutions and has published numerous articles and books on topics related to his areas of expertise.
Michael Taylor is a political scientist known for his work in the fields of political theory, democratic theory, and political behavior. His research often focuses on topics such as democracy, political engagement, and the implications of individual behavior on political systems. It’s important to note that there may be multiple individuals with the name "Michael Taylor" in the academic world, and their contributions may vary widely by field and focus.
Kuno Lorenz is a German philosopher known for his work in the fields of philosophy of language, epistemology, and the philosophy of mind. He has contributed to discussions about the nature of meaning, understanding, and the relationship between language and thought. His philosophical inquiries often draw on insights from both analytic and continental traditions, and he has engaged with a variety of topics, including the implications of modern science for philosophical thought.
"Satisfaction equilibrium" is not a widely recognized term in mainstream economics or psychology, but it can be interpreted in a few different ways depending on the context. 1. **In Economics**: It might refer to a state where individuals or firms derive a level of satisfaction from their consumption or production that is balanced with their constraints (like budget or resources). This concept could be related to the idea of utility maximization, where consumers are satisfied with their choices given their income and the prices of goods.
"Divine equilibrium" is a term that can have various interpretations depending on the context in which it is used, including philosophical, spiritual, and scientific perspectives. 1. **Philosophical/Spiritual Context**: In many spiritual and philosophical traditions, divine equilibrium refers to a state of balance or harmony that is achieved when one is in alignment with a higher power or universal principles.
In algebraic geometry, an **irreducible component** of a topological space, particularly a scheme or algebraic variety, is a maximal irreducible subset of that space. To elaborate: 1. **Irreducibility**: A topological space is considered irreducible if it cannot be expressed as the union of two or more nonempty closed subsets.
Separating equilibrium is a concept used in game theory and economics, particularly in the context of signaling games. It refers to a situation where different types of players (often with private information) choose distinct actions or strategies that reveal their type to other players. In a separating equilibrium, the actions taken by each type of player provide clear signals that allow other players to infer the type of the signaling player accurately.
In game theory, a "list of games" can refer to various types of strategic interactions that are studied to analyze decision-making among rational agents. These games can be characterized by their rules, players, payoffs, and strategies. Here’s a summary of some common types of games in game theory: 1. **Cooperative vs. Non-Cooperative Games**: - **Cooperative Games**: Players can form coalitions and negotiate binding contracts.
A termbase, or terminology database, is a systematic collection of terms (words or phrases) and their definitions, typically related to a specific field, industry, or subject area. Termbases are commonly used in various contexts, including translation, localization, and specialized communication, to ensure consistency and accuracy in the use of terminology.
Appert topology is a concept in the field of topology, specifically a type of topology on a set that is defined via a particular collection of open sets. The Appert topology is based on the idea of "approximating" the standard topology of a topological space through certain properties.
A photoinitiator is a chemical compound that initiates polymerization or curing processes when exposed to light, typically ultraviolet (UV) or visible light. Photoinitiators are commonly used in various applications, such as in the production of coatings, adhesives, inks, and dental materials. When exposed to light, photoinitiators undergo a chemical reaction, producing free radicals or other reactive species that initiate the polymerization of monomers into polymers.
In topology, a topological space \( X \) is called *first-countable* if, at every point \( x \in X \), there exists a countable collection of open sets (called a *countable neighborhood basis*) such that any open neighborhood of \( x \) contains at least one of these open sets.

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