(278361) 2007 JJ43 is an asteroid that is part of the asteroid belt located between Mars and Jupiter. It was discovered on May 8, 2007, and is classified as a member of the main belt asteroids. The designation "278361" refers to its specific catalog number, while "2007 JJ43" is the provisional designation given upon its discovery. Like many asteroids, it provides valuable information about the early solar system and the formation of planetary bodies.
(315530) 2008 AP129 is a near-Earth object classified as an asteroid. It belongs to the group of asteroids known as Apollo asteroids, which are characterized by orbits that cross Earth's orbit. This specific asteroid was discovered in January 2008 and has been monitored due to its close proximity to Earth.
(42301) 2001 UR163 is a small celestial body classified as a centaur, which is a type of object located between the orbits of Jupiter and Neptune. Centaurs are considered transitional objects because they share characteristics of both asteroids and comets. Discovered in 2001, (42301) 2001 UR163 has an irregular orbit and is believed to be composed of ice and rock.
(532037) 2013 FY27 is an asteroid that orbits the Sun. It was discovered on March 22, 2013, and is classified as a member of the main belt of asteroids between Mars and Jupiter. Like many asteroids, it has a specific designation assigned by the Minor Planet Center.
The ASME Boiler and Pressure Vessel Code (BPVC) is a set of regulations and standards developed by the American Society of Mechanical Engineers (ASME) that governs the design, fabrication, inspection, and maintenance of boilers and pressure vessels. Established to promote safety and ensure the structural integrity of these crucial components in various industries, the BPVC encompasses guidelines for various aspects, including materials, design calculations, quality control, testing, and certification.
A vacuum insulated evaporator is a type of equipment used primarily in refrigeration and cryogenics. It operates on the principle of using a vacuum to minimize heat transfer through conduction and convection, which enhances the efficiency of the evaporator. ### Key Features: 1. **Vacuum Insulation**: The evaporator is designed with a double-walled structure where the space between the walls is evacuated to create a vacuum.
Pump manufacturers are companies or businesses that design, produce, and sell various types of pumps. Pumps are mechanical devices used to move fluids, such as liquids and gases, from one place to another by converting mechanical energy into hydraulic energy. They are essential in a wide range of applications across multiple industries, including: 1. **Water and Wastewater Management**: Pumps are used to transport water for municipal supply, irrigation, and sewage treatment.
A honey wagon is a type of vehicle used primarily for the collection and transport of sewage and waste materials, particularly from portable toilets, septic tanks, and other sanitation facilities. The term can also refer to vehicles that service recreational vehicles (RVs) and trailers by emptying their waste tanks at campgrounds or during events. Honey wagons are equipped with tanks that hold the waste until it can be properly disposed of, often at designated waste treatment facilities.
A Rushton turbine is a type of impeller used in mixing and agitation applications, particularly in bioreactors and chemical engineering processes. It is characterized by its flat, disc-like shape that has several radial blades attached to it, typically with a high aspect ratio. The design of the Rushton turbine facilitates effective mixing and aeration of liquids, making it ideal for applications involving the mixing of liquids and gas phases.
"Circle" can refer to several different concepts or entities, depending on the context: 1. **Geometric Shape**: In mathematics, a circle is a simple shape consisting of all points in a plane that are at a given distance (radius) from a fixed point (center). 2. **Circle in Geometry**: In geometry, a circle is defined by a set of points equidistant from a common center.
Number sense in animals refers to the ability of non-human species to perceive, estimate, and manipulate numerical quantities. This cognitive skill allows many animals to understand and differentiate between different amounts of objects, which can be crucial for survival-related activities such as foraging, hunting, or social interactions. Research has demonstrated that various animals, from primates to birds and even some insects, exhibit number sense in different capacities.
As of my last update in October 2023, there is no widely recognized individual or entity named Derek Corneil. It's possible that he could refer to a private individual, a local figure, or someone who has gained prominence after my last update.
Dragan Marušič is a prominent figure in the field of mathematics, particularly known for his work in topology and algebra. He is a professor at the University of Primorska in Slovenia and has contributed significantly to mathematical research and education. His work often explores areas related to fixed point theory, topological spaces, and related topics.
Jo Ellis-Monaghan is a mathematician known for her work in the areas of topology and graph theory. She has made significant contributions to the field, particularly in the study of polynomial invariants of knots and links, as well as in the teaching and promotion of mathematics. In addition to her research, Ellis-Monaghan is noted for her involvement in outreach and education, aiming to inspire and engage the next generation of mathematicians.
As of my last knowledge update in October 2023, Ronald M. Foster is not a widely recognized public figure, and there isn't specific, universally acknowledged information about an individual by that name. It's possible that he could be a private individual, a professional in a particular field, or someone who has not received significant public attention.
Reye configuration refers to a specific arrangement or organization of items or elements, but it seems like there may be a misunderstanding, as "Reye configuration" is not a widely recognized term in scientific literature or common contexts.
L(2,1)-coloring is a specific type of graph coloring in the field of graph theory. It is a constraint on how vertices in a graph can be colored based on the distances between them. Specifically, a graph is said to be L(2,1)-colorable if it is possible to assign colors to its vertices such that: 1. If two vertices are adjacent (connected by an edge), they must receive different colors.
Rank-maximal allocation is a concept that arises in the context of resource allocation problems, particularly in matching markets and auctions. The idea is to allocate resources (such as goods or services) to agents (such as individuals or organizations) in a way that maximizes the rank of the allocated outcomes according to each agent's preferences. In simpler terms, rank-maximal allocation attempts to ensure that each agent receives an allocation that is as high as possible on their personal preference list.
MACS J2129-0741, often referred to as MACS 2129-1, is a galaxy cluster that is notable for its significant mass and has been studied extensively in astrophysics. It is located in the constellation of Aquarius and is noteworthy for being one of the most massive galaxy clusters known.

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