Chaos Communication refers to a series of concepts and movements primarily associated with the fields of computer security, privacy, and digital rights. One of the most notable associations is the "Chaos Computer Club" (CCC), which is one of the largest and oldest hacker organizations in Europe. Founded in West Germany in the early 1980s, the CCC promotes transparency and freedom in technology, security research, privacy, and digital rights, often through education and awareness efforts.
The Strong RSA assumption is a cryptographic assumption that is considered a basis for the security of various public key cryptographic systems, particularly those based on the RSA algorithm. The RSA algorithm itself relies on the mathematical difficulty of factoring large composite numbers into their prime components. The strong RSA assumption enhances the standard RSA assumption by introducing additional complexity related to the RSA encryption process.
"Discoveries" by Joanny-Philippe Lagrula is not widely recognized or documented in mainstream literature or well-known publications. It may be a lesser-known work or a title that has not gained significant visibility.
Pass is a software solution designed to simplify password management. It typically focuses on securely storing, generating, and managing passwords for users. Its features often include: 1. **Password Vaulting:** Storing passwords securely in an encrypted format. 2. **Password Generation:** Creating strong, unique passwords for various accounts. 3. **Auto-fill:** Automatically filling in passwords on websites and applications. 4. **Cross-Platform Syncing:** Allowing users to access their passwords across different devices.
The Turing cipher typically refers to a cryptographic technique associated with the work of Alan Turing, particularly regarding his contributions to codebreaking during World War II, especially with the Enigma machine. However, it's important to clarify that Turing himself did not create a specific cipher called the "Turing cipher." Instead, his work involved developing methods for breaking ciphers, most notably through the use of early computing machines like the Bombe.
Scream is a type of encryption cipher developed for secure communication and data protection. It is particularly known for its focus on efficiency, speed, and resistance to various types of attacks. Scream is characterized by its use of lightweight algorithms that prioritize performance, making it suitable for applications where resources may be limited, such as in embedded systems or mobile devices.
Variably Modified Permutation Composition (VMPC) is a cryptographic construction primarily associated with the design of secure cryptographic primitives, such as stream ciphers and pseudorandom number generators. It was introduced by its creator, Bartosz Zbitkowski, as a modification of a permutation-based approach to cryptography. ### Key Concepts: 1. **Permutation**: In computer science, a permutation refers to an arrangement of elements in a particular order.
Kröger–Vink notation is a system used in materials science and solid-state physics to describe point defects in crystalline solids. This notation helps in representing various types of defects, such as vacancies, interstitials, and substitutions in crystal lattices, along with their charge states.
Phase transformation crystallography is a field of study that deals with the changes in the crystal structure of materials when they undergo phase transformations. These transformations can occur due to variations in temperature, pressure, composition, or other environmental factors, leading to changes in physical properties, stability, and behavior of materials. Here are some key aspects of phase transformation crystallography: 1. **Phase Transformations**: A phase transformation is a change from one crystal structure to another. Common examples include polymorphic transitions (e.
In geometry, a honeycomb refers to a structure made up of cells that tessellate space, and is closely associated with the arrangement of hexagonal shapes, similar to the way bees build their hives. Honeycombs can be thought of as a way to partition space into smaller, regular units, often with a focus on efficiency and maximizing area or volume.
Quasicrystals are a unique form of solid matter that possess an ordered structure but do not exhibit the periodic symmetry typical of conventional crystals. Unlike regular crystals, which repeat their atomic arrangement in a regular, periodic manner, quasicrystals have an ordered pattern that is aperiodic. This means they are structured in such a way that they display symmetries not found in ordinary crystals.
In the United States, customary units of measurement are commonly used for various purposes, including everyday activities, trade, and commerce. Here are the main categories of customary units: ### Length - **Inch (in)**: 1 inch = 2.54 centimeters - **Foot (ft)**: 1 foot = 12 inches = 0.3048 meters - **Yard (yd)**: 1 yard = 3 feet = 36 inches = 0.
The term "barrel of land" typically does not have a specific definition in common usage or in land measurement. However, it may be possible that you are referring to "a barrel" as a unit of measurement for liquid, referring to a certain equivalent volume. In real estate or land contexts, people usually use units like acres or hectares to describe the size of a plot of land.
A circular saw is a power-saw using a toothed or abrasive disc (or a blade) that is rotatable, enabling it to cut through various materials, typically wood, metal, or plastic. The saw's design involves a round blade that spins rapidly to make straight cuts, which can be adjusted for depth and angle, allowing for precise cutting in various applications. ### Key Features: - **Blade:** The size and type of the blade can vary depending on the cutting task.
"Verst" could refer to different things depending on the context. Generally, it can mean: 1. **A Unit of Measurement**: Historically, a verst is an old Russian unit of distance, equivalent to approximately 1.067 kilometers or about 0.662 miles. 2. **A Brand or Service**: In modern contexts, "Verst" might refer to a specific company, brand, or service, often in technology, finance, or logistics.
Laser cutting is a technology that uses a high-powered laser beam to cut materials into specific shapes and designs. It's a versatile manufacturing process employed in various industries, including metalworking, woodworking, textiles, and more. The process involves the following key steps: 1. **Design**: The desired shape or pattern is designed using computer-aided design (CAD) software. This digital design is then converted into a format suitable for the laser cutting machine.
Cynic philosophers were a school of thought in ancient Greece that emphasized living a life in accordance with nature and virtue, often rejecting societal conventions and materialism. The term "Cynic" originates from the Greek word "kynikos," which means "dog-like," a reference to Diogenes of Sinope, one of the most famous Cynics, who lived in a barrel and exhibited behaviors that challenged social norms.
Václav Láska is a Czech mathematician known for his contributions to the field of mathematics, particularly in areas related to topology and functional analysis. His work includes research on mathematical structures and the application of mathematical theories to various problems. Not much detailed information may be readily available about him, given that he may not be as widely known in the broader mathematical community compared to other figures.
David Gans is an American musician, songwriter, and author, recognized primarily for his work in the genre of folk-rock and for his association with the Grateful Dead and related music culture. He is known for his guitar playing, storytelling, and ability to weave together elements of improvisation in his performances. Gans has released several albums and is also a radio host, contributing to the cultural landscape of the jam band scene.
Jaroslav Hájek is a Czech mathematician known for his work in statistics and probability theory. He has made significant contributions to various areas of statistics, particularly in the development of statistical theory and methodology. His work is well-respected in the mathematical community, and he has authored or co-authored several publications and textbooks in the field.

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