A cryptogram is a type of puzzle that consists of a piece of plaintext that has been encrypted through a simple substitution cipher, where each letter in the original message is replaced by a different letter. The goal of the cryptogram is to decode the encrypted message using logical reasoning, frequency analysis, and pattern recognition. Typically, cryptograms appear as short quotes, proverbs, or phrases, and they are often presented as a fun challenge in newspapers, puzzle books, and online.
Barsoum elements, also known as "Barsoum's elements," refer to a specific type of finite element used in engineering and computational mechanics, particularly in the analysis of structures. Named after the engineer and researcher M. A. Barsoum, these elements are designed for the analysis of complex structural behaviors, including large deformations, nonlinear materials, and dynamic effects.
In physics, particularly in the context of relativity, the term "rest frame" refers to a reference frame in which an object is at rest. In this frame, the object is not moving relative to the observer, and all measurements (like distance, time, and energy) can be made without the complications introduced by motion. For example, consider a person standing still while observing a car that is moving past them.
Hesse, or Hessen in German, is one of the 16 federal states (Bundesländer) of Germany. It is located in the central part of the country and is known for its diverse geography, which includes mountains, forests, and rivers. The state capital is Wiesbaden, while its largest city is Frankfurt am Main, which is a major financial center and hosts the European Central Bank.
Paul Painlevé (1863–1933) was a notable French mathematician known for his contributions to various fields, including mathematics, physics, and applied mathematics. He is particularly recognized for his work in the theory of differential equations and special functions. Painlevé is most famous for the "Painlevé equations," which are a set of six nonlinear ordinary differential equations that have important implications in various areas of mathematical physics.
Diffusion creep is a mechanism of deformation that occurs in materials, particularly in solids under high temperature and stress conditions. It is characterized by the movement of atoms or vacancies within the crystal lattice of a material, allowing it to deform without the need for dislocation movement, which is a more conventional mechanism of plastic deformation. The process occurs through the diffusion of atoms in the lattice, which can happen via two main types: grain boundary diffusion and lattice diffusion.
Cribbage statistics typically refer to the analysis of game data related to the card games of Cribbage. Cribbage itself is a popular card game that involves two players (or teams) scoring points through various combinations of cards. The game uses a unique scoring board and has specific rules for scoring, both during play and through the use of a "crib" (a separate hand of cards set aside for additional scoring).
Forensic polymer engineering is a specialized field that combines principles of polymer science, materials science, and forensic investigation to analyze and interpret the properties and behaviors of polymer materials in legal or investigative contexts. This discipline is often employed in cases involving polymer products, such as plastics, composites, and elastomers, particularly when failure, damage, or degradation occurs.
A Lüders band is a specific type of deformation band that forms in certain metallic materials, particularly ductile metals, when they are subjected to plastic deformation under tensile stress. Named after the German physicist Emil Lüders, these bands represent localized regions of strain that propagate through the material during the yielding process. When a material experiences strain hardening, it can initially deform uniformly, but as it reaches its yield strength, localized deformation may occur.
KCNN1, or potassium calcium-activated channel subfamily N member 1, is a gene that encodes a protein involved in the regulation of ion channels in mammalian cells. The KCNN1 protein plays a role in the modulation of potassium ion (K+) currents and is part of a group of channels known as the potassium calcium-activated channels (also known as SK channels or small conductance calcium-activated potassium channels).
The term "T Centre" could refer to different things depending on the context. It could indicate a specific type of facility, organization, or concept in various sectors such as business, education, or technology. 1. **Business/Technology Context**: In some cases, a "T Centre" might refer to a technology or training center designed to foster innovation, skills development, and resource sharing among parties interested in technology-related endeavors.
"Russian women physicists" typically refers to female physicists from Russia or those who have made significant contributions to the field of physics and are of Russian nationality or heritage. Russian women have played important roles in various areas of physics and have made notable contributions to the discipline, despite facing challenges in a historically male-dominated field. Some prominent Russian women physicists include: 1. **Maria Joffe**: Known for her work in quantum physics and contributions to understanding magnetic properties of materials.
Therac-25 is a computer-controlled radiation therapy machine that was developed in the 1980s. It was designed to deliver high doses of radiation to patients with cancer, but it became infamously known due to a series of incidents that resulted in severe radiation overdoses to patients, leading to injuries and deaths. The machine was notable for its use of software to control its operations, which was relatively new for medical devices at the time.
Terry Welch is a notable figure in the field of computer science, particularly known for his contributions to data compression and computer graphics. One of his significant achievements is the development of the Welch algorithm for lossless data compression, which is a part of the Lempel-Ziv-Welch (LZW) method. This algorithm is widely used in various file formats, such as GIF images and the UNIX `compress` command.
Robert Tomasulo is an American computer engineer known for his contributions to computer architecture, particularly for developing the Tomasulo algorithm. This algorithm is a dynamic scheduling technique used in the design of superscalar processors, which allows for the out-of-order execution of instructions to improve performance and utilize CPU resources more efficiently. Tomasulo's work significantly advanced the field of computer architecture, helping to overcome issues related to instruction-level parallelism and improving the efficiency of instruction execution in a pipelined processor.
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!
Intro to OurBigBook
. Source. We have two killer features:
- 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-calculusArticles 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/derivativeVideo 2. OurBigBook Web topics demo. Source. - 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.
- to OurBigBook.com to get awesome multi-user features like topics and likes
- as HTML files to a static website, which you can host yourself for free on many external providers like GitHub Pages, and remain in full control
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. - Infinitely deep tables of contents:
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





