In the context of probability, a lottery refers to a game of chance where players purchase tickets for the opportunity to win prizes based on random draws. The outcome of a lottery is typically determined by a random selection of numbers or symbols, and participants hope that their chosen combinations match those drawn. Key elements of lottery probability include: 1. **Odds**: The chances of winning a prize in a lottery game, often expressed as a ratio (e.g., 1 in X).
Economic voting is a concept in political science that describes how voters' perceptions of and experiences with the economy influence their voting behavior, particularly during elections. The underlying idea is that voters use their evaluations of economic conditions as a key criterion in deciding which candidates or political parties to support.
Verification bias occurs in research, particularly in diagnostic studies, when there is a systematic difference in how the outcomes of a diagnostic test are verified based on the results it produces. Essentially, it arises when the methods used to confirm or validate the accuracy of a test depend on the test's initial results, leading to potentially distorted or skewed findings.
An instrument mechanic is a skilled technician who specializes in the installation, maintenance, calibration, and repair of instruments and instrumentation systems used in various industries. These professionals are crucial in sectors such as manufacturing, petrochemical, pharmaceuticals, and power generation, where precise measurements and controls are essential for operations. ### Key Responsibilities: 1. **Installation**: Setting up various instruments and control systems, including sensors, transmitters, and control panels.
Scrabble 2007 Edition refers to a specific version of the classic board game Scrabble, which was released in 2007. This edition maintains the traditional gameplay of Scrabble, where players create words on a game board using letter tiles, with each letter having a specific point value. In terms of features, the 2007 Edition may have included updated components such as modernized tile designs, a new design for the game board, or specific rule adjustments.
A **kaleidocycle** is a type of geometric object that is part of the broader family of polyhedral structures. Specifically, it is a cyclic mechanism made up of multiple triangular faces arranged in a way that allows the entire structure to rotate continuously in a looping motion without falling apart. The most common form of a kaleidocycle consists of several rigid triangles connected at their edges, forming a polyhedral shape that can be manipulated.
The compound of twenty octahedra is a geometric arrangement made up of 20 individual octahedral shapes. In a three-dimensional space, an octahedron is a polyhedron with eight faces, which are all equilateral triangles. When multiple octahedra are combined, they can create intricate structures. The compound of twenty octahedra often refers to a specific geometric construction where these octahedra are arranged in a symmetrical way.
An elongated triangular bipyramid is a type of polyhedron that can be categorized as an Archimedean solid. It is formed by taking a triangular bipyramid and extending it along its vertical axis, effectively stretching it. To understand its structure, consider the following: - A standard triangular bipyramid is created by joining two tetrahedral pyramids base to base, which results in a shape that has six vertices, nine edges, and eight triangular faces.
The great deltoidal icositetrahedron is a type of convex polyhedron, more specifically one of the Archimedean solids. It is characterized by having 24 faces, of which 12 are regular octagons and 12 are equilateral triangles. Here are some key properties of the great deltoidal icositetrahedron: - **Vertices**: It has 48 vertices. - **Edges**: It features 72 edges.
The great rhombidodecacoron is a convex uniform polychoron (a four-dimensional shape) in the context of higher-dimensional geometry. It is categorized under the family of Archimedean solids, specifically as a uniform spatial structure extending into four dimensions. This shape is distinguished by its vertices, edges, and faces, where it consists of 120 rhombic faces and 60 dodecahedral cells.
A heptagonal bipyramid is a type of polyhedron that can be categorized as a bipyramid based on a heptagonal (7-sided) base. It is formed by taking a heptagon and creating two identical pyramids that are joined at their bases. ### Properties of a Heptagonal Bipyramid: 1. **Faces**: It has 14 triangular faces. Each of the sides of the heptagon contributes two triangles, one for each pyramid.
The term "metabiaugmented dodecahedron" does not appear to correspond to any widely recognized geometric term or concept as of my last knowledge update in October 2023. However, it seems to imply a geometric figure related to the dodecahedron, a regular polyhedron with 12 pentagonal faces. The prefix "meta-" typically suggests some form of transformation or an additional layer regarding the original concept.
A small dodecahemidodecahedron is a form of a polyhedron characterized by having 12 dodecahedral faces and 20 hexagonal faces, making it a member of the class of convex Archimedean solids. It is specifically classified as a "hemidodecahedron" because it has a symmetrical structure that can be thought of as a dodecahedron with additional vertices, edges, or faces.
The small dodecicosidodecahedron is one of the Archimedean solids and is classified as a polyhedron. More specifically, it is a convex polyhedral structure that consists of both regular and irregular faces.
The small icosihemidodecacron is a type of convex polyhedron that belongs to the family of Archimedean solids. Specifically, it is one of the deltahedra, which are polyhedra whose faces are all equilateral triangles. The small icosihemidodecacron has 20 faces, which are composed of equilateral triangles, along with 30 edges and 12 vertices.
Elchanan Mossel is a prominent mathematician and computer scientist known for his work in areas such as probability theory, graphical models, statistical physics, and information theory. He has made significant contributions to the understanding of random processes, combinatorial structures, and machine learning. Mossel is often associated with research on the dynamics of social networks and the analysis of algorithms, particularly in the context of information spread and consensus in networks.
Eugene Lukacs does not appear to refer to a widely recognized figure or concept as of my last update in October 2023. It's possible that the name could relate to a specific individual who is not widely known or may have emerged in a particular field after that date. If you could provide more context or clarify the specific area you are referring to (such as art, science, literature, etc.
Hans Frauenfelder was a physicist known for his contributions to the field of condensed matter physics, specifically in areas such as magnetism and the study of glasses and disordered systems. He worked extensively on the properties of complex materials and made significant contributions to the understanding of molecular dynamics and the behavior of systems at a microscopic level. In addition to his research, Frauenfelder was also recognized for his involvement in scientific education and communication.
Rollo Davidson was a notable British mathematician, recognized for his work in the fields of stochastic processes and probability theory. He is perhaps best known for the Rollo Davidson Prize, which was established in his memory by his friends and family after his untimely death in 1992. The prize is awarded annually to young researchers in probability and related areas, serving to honor Davidson’s contributions to the field and to encourage new talent.
Zdzisław Józef Porosiński is not a widely recognized public figure, historical person, or concept based on my training data up to October 2023.

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