VEPP-2000 is a particle accelerator located in Novosibirsk, Russia. It is a part of the Budker Institute of Nuclear Physics and is primarily designed for the study of electron-positron collisions. The accelerator operates at a maximum energy of 2 GeV (giga-electronvolts) and is used in various experiments in particle physics, especially in the production of mesons and other hadronic states.
The SLAC National Accelerator Laboratory is a multidisciplinary research facility located in Menlo Park, California. It is operated by Stanford University for the U.S. Department of Energy (DOE). Established in 1962, SLAC was originally known as the Stanford Linear Accelerator Center and has since evolved into a prominent laboratory for particle physics, astrophysics, and materials science.
TJ-II is a type of experimental nuclear fusion reactor known as a stellarator. It is located at the Complutense University of Madrid in Spain and is part of the National Fusion Laboratory (Laboratorio Nacional de Fusión). The TJ-II is specifically designed to study plasma behavior in a laboratory setting, with the goal of advancing our understanding of key physical processes relevant to nuclear fusion.
The Max Planck Institute for Plasma Physics (IPP) is a research institution based in Germany, primarily focused on the study of plasma physics, fusion research, and related fields. Established in 1960, it is part of the Max Planck Society, an organization dedicated to scientific research across various disciplines. The IPP conducts research with the aim of developing fusion energy as a viable and sustainable energy source. This includes studying plasma behavior, confinement methods, and the underlying physics of fusion processes.
The Kaminsky catalyst refers to a class of catalysts developed by chemist Nikolai Kaminsky, primarily used in the field of organic synthesis. One of the most notable applications of the Kaminsky catalyst is in the polymerization of olefins, particularly in the context of creating various types of polymers and copolymers. The Kaminsky catalyst usually involves a combination of transition metal compounds and other ligands, which facilitate the polymerization process.
A "plexiton" is a hybrid quasiparticle that arises from the coupling of excitons with optical photons. Excitons are bound states of electrons and holes in semiconductors, and they play a critical role in various optoelectronic devices. When excitons interact with light in a cavity, they can form new hybrid states that combine the properties of both excitons and photons.
Surface phonons are vibrational modes that occur at the surface of a solid material, as opposed to bulk phonons that exist within the interior of the material. Phonons are quantized modes of vibrations in a lattice structure, essential for understanding thermal and acoustic properties of solids. In a crystalline material, atoms are arranged in a periodic structure, and phonons typically arise from the collective oscillations of these atoms. When considering surfaces, the situation changes due to the truncation of the crystal lattice.
Blended-metal bullets, also known as composite or hybrid bullets, are ammunition designed with a core made from a mixture of metals to optimize performance characteristics such as penetration, expansion, and overall ballistic efficiency. These bullets typically combine different materials, such as lead, copper, and other metals, or may include elements designed to enhance specific traits, such as reducing weight or increasing stability in flight. The goal of blended-metal bullets is to leverage the benefits of each metal involved in the mixture.
In physics, symmetry refers to a property or characteristic of a system that remains invariant under certain transformations. This can involve spatial transformations, such as translations, rotations, and reflections, as well as other types such as time reversibility or particle interchange. Symmetry plays a critical role in understanding physical laws and phenomena, often leading to conservation laws and simplifying complex problems.
Canister shot is a type of ammunition used in cannons and artillery that consists of a container filled with small projectiles, such as iron balls or metal shards. When fired, the canister breaks open and disperses its load over a wide area, functioning much like a giant shotgun blast. This makes it particularly effective against clusters of enemy troops, unarmored vehicles, or for close-range engagement.
A crossbow bolt, also known as a quarrel, is a projectile designed specifically for use with a crossbow. Unlike traditional arrows used with longbows or recurve bows, bolts are typically shorter, heavier, and have a thicker shaft, which allows them to withstand the high velocity and tension produced by crossbows. Key features of crossbow bolts include: 1. **Length**: They are generally shorter than traditional arrows, usually ranging from about 16 to 22 inches in length.
Impact depth generally refers to the depth of penetration or the degree to which an object impacts or affects another object or a surface upon collision or contact. The term can be used in various contexts, including physics, geology, and engineering, and its specific definition can vary depending on the field of study.
A pellet in the context of air guns refers to a small projectile designed to be used with air rifles and air pistols. Typically made of lead, though sometimes constructed from materials like alloy or plastic, pellets are engineered for accuracy and consistency. They come in a variety of shapes and sizes, the most common being: 1. **Diabolo Shape**: This is the most popular type, characterized by a narrow waist and expanded head, which helps stabilize flight and improve accuracy.
Round shot refers to a type of projectile that was historically used in cannons and artillery during the 18th and early 19th centuries. It is a solid, spherical projectile made of iron or other metal, designed to be fired from smoothbore cannons. Unlike explosive shells or canister shots, round shot does not contain an explosive charge; instead, it relies on its mass and velocity to cause damage upon impact.
Rocket weapons are a category of weaponry that utilize rockets as their means of propulsion. Unlike traditional firearms that use gunpowder to propel a projectile, rockets utilize propulsion systems that operate on the principle of thrust generated by the expulsion of gas from a combustion process. Rocket weapons can be classified into several types, including: 1. **Rockets (Unguided)**: These are simple rockets that can be fired from ground launchers or aircraft.
Battleship in the context of rocketry typically refers to a type of launch vehicle or missile system that is designed for military use, particularly for delivering payloads such as satellites or nuclear weapons. However, the term is not widely used in officially documented rocketry, and it may sometimes be used informally to describe large, powerful rockets or the strategic application of rocketry in military contexts.
Operation Argus was a series of high-altitude nuclear tests conducted by the United States in 1958. Specifically, these tests were part of the larger program known as Operation Hardtack I. The tests aimed to investigate the effects of nuclear detonations at high altitudes and to explore the potential military applications of nuclear weapons in the context of the Cold War.
Rehbar-I is a program initiated by the Government of Jammu and Kashmir in India that aims to provide educational, vocational, and employment opportunities to youth in the region. The program primarily focuses on engaging educated youth as village resource persons or community facilitators to promote educational development and skill enhancement in their local areas. The initiative often includes training and capacity-building activities, aiming to equip participants with the necessary skills to contribute effectively to their communities.
The SM-65E Atlas was an early prototype of an intercontinental ballistic missile (ICBM) developed by the United States in the late 1950s. It was part of a series of missiles under the Atlas program, which was the first operational ICBM in the U.S. arsenal. The "E" designation refers to a specific variant, which included improvements over earlier versions.
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





