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.
As of my last update in October 2023, "Atlas G" could refer to various concepts depending on the context. It might relate to a product name, a technology, a fictional character, or something else entirely. However, without more specific details, it's challenging to provide an accurate answer.
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.
Vanguard was a series of satellites and launch vehicles developed by the United States during the late 1950s and early 1960s as part of the country's early space exploration efforts. The Vanguard program was primarily managed by the Naval Research Laboratory (NRL) and later transitioned to the American National Aeronautics and Space Administration (NASA).
Condensation polymers are a class of polymers formed through a condensation reaction, where monomer units are linked together, resulting in the release of small molecules, such as water, alcohol, or other simple molecules. This process typically involves the reaction of two different functional groups, such as -OH (hydroxyl) and -NH2 (amine), or -COOH (carboxylic acid) and -OH.
A membrane osmometer is a scientific instrument used to measure osmotic pressure, which is the pressure required to stop the flow of solvent across a semipermeable membrane due to osmosis. Osmosis is the movement of solvent molecules (usually water) from a region of lower solute concentration to a region of higher solute concentration through a semipermeable membrane.
A polymer brush is a thin layer of polymer chains anchored at one end to a solid surface or interface, with the other ends extending into the surrounding medium, which can be a liquid or gas. This configuration creates a "brush-like" appearance, as the polymer chains protrude outward and can form a dense array. Polymer brushes are significant in various fields, including materials science, biology, and nanotechnology, due to their unique properties and functionalities.
Conjugated Microporous Polymers (CMPs) are a class of organic polymers characterized by their conjugated structure, which includes alternating single and double bonds throughout their molecular framework. This unique structure imparts certain electronic and optical properties to the material, making CMPs interesting for various applications in fields such as gas adsorption, separation, and catalysis.
The Klinkenberg correction is a method used in the field of porous media science, particularly in the study of gas permeability in porous materials such as rocks and soils. It addresses the effects of gas slip, which can occur when the mean free path of gas molecules is comparable to the pore size in the material being studied.
A porous medium is a material that contains pores (voids or spaces) in its structure, allowing for the movement of fluids (liquids or gases) through it. The presence of these pores can significantly influence the physical, chemical, and biological properties of the medium. Porous media can be found in various natural and synthetic materials, including soil, rock, concrete, sponges, and certain types of filters.
Radiation health effects refer to the biological consequences that result from exposure to ionizing radiation. Ionizing radiation has enough energy to remove tightly bound electrons from atoms, which can lead to cellular damage, mutations, and, in severe cases, death. The effects of radiation exposure can vary based on factors such as the type and amount of radiation, duration of exposure, the route of exposure, and the individual's sensitivity.
Radiation chemistry is a branch of chemistry that studies the chemical effects of ionizing radiation on matter. This includes the examination of how radiation interacts with various substances, leading to the formation of new chemical species and changes in chemical properties. Ionizing radiation encompasses high-energy particles such as alpha particles, beta particles, gamma rays, and X-rays.

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