The term "Multimagic cube" typically refers to a type of mathematical puzzle that extends the concept of a magic square or magic cube into higher dimensions. A magic cube is a three-dimensional arrangement of numbers in which the sums of the numbers in each row, column, and diagonal (in all three dimensions) are equal to a constant known as the magic constant.
Oceanographic organizations are institutions and agencies dedicated to the study and research of oceans, seas, and marine ecosystems. These organizations may focus on various aspects of oceanography, which is the science that covers the physical, chemical, biological, and geological aspects of the oceans. Their research often encompasses ocean health, climate change impacts on marine environments, marine biodiversity, ocean currents, and underwater geology, among other topics. Oceanographic organizations can vary widely in their scope, funding, and scientific focus.
The Atlantic Meridional Overturning Circulation (AMOC) is a large system of ocean currents in the Atlantic Ocean that plays a crucial role in regulating climate, particularly in the North Atlantic region. It involves the movement of warm, salty water from the tropics towards the North Atlantic, where it cools, becomes denser, and sinks to the ocean floor. This deep water then travels back southward, completing a global conveyor-belt-like circulation pattern.
Contour currents, also known as contourite currents, are oceanic currents that flow along the contour lines of the seabed, often influenced by the topography of the ocean floor. These currents are typically found on continental slopes and deep-sea regions and play a significant role in redistributing sediments and influencing the geological characteristics of the seafloor.
Good Hope Jet refers to a regional airline based in South Africa, primarily operating domestic routes within the country and to neighboring destinations. The airline began operations in 2021, focusing on providing affordable air travel options for passengers. It aims to enhance connectivity and accessibility, particularly in regions that may not be serviced by larger carriers.
The National Ocean Service (NOS) is a division of the National Oceanic and Atmospheric Administration (NOAA) in the United States. It is primarily responsible for ensuring the health of the oceans and coastal resources, supporting the economy, and promoting the safety and accessibility of marine navigation.
The National Oceanographic Partnership Program (NOPP) is a collaboration involving multiple U.S. federal agencies, academic institutions, and private organizations aimed at enhancing and coordinating oceanographic research and education. Founded in the United States, NOPP seeks to foster partnerships and promote efficient use of resources to advance knowledge and understanding of the oceans and their ecosystems.
Salinity is a measure of the concentration of dissolved salts in water. It is typically expressed in parts per thousand (ppt) or as a specific gravity. Salinity is an important physical property of water bodies, influencing various biological and chemical processes. In oceans and seas, salinity is primarily derived from the weathering of rocks on land, river runoff, and the evaporation of water, which leaves salts behind.
The Oyster Question is a philosophical thought experiment often associated with discussions of free will, determinism, and the nature of choice. It typically presents a scenario in which an individual is given a choice between two or more options, leading to questions about the freedom of their decision-making process. One version of the Oyster Question involves a situation where a person has the opportunity to select an oyster from a number of options, each representing a different outcome or consequence.
Volcanic activity can have several significant impacts on the oceans, both in the immediate vicinity of the eruption and more broadly. Here are some of the key impacts: 1. **Temperature Changes**: Volcanic eruptions can release large amounts of heat into the surrounding waters, raising local sea temperatures. This can affect marine ecosystems and species that are sensitive to temperature changes.
Military simulation refers to the use of computer models, virtual environments, and training scenarios to replicate real-world military operations and environments for training, planning, and analysis purposes. These simulations can cover a wide range of activities, including combat situations, strategic planning, logistics, and humanitarian missions. ### Key Aspects of Military Simulation: 1. **Training**: Military simulations provide realistic training experiences for soldiers, allowing them to practice tactics, techniques, and procedures in a safe environment.
In general, "networks" refer to collections of interconnected nodes or entities. The concept of networks can apply to various fields, and its meaning may vary depending on the context. Here are a few common interpretations: 1. **Computer Networks**: In information technology, a computer network is a set of computers and other devices interconnected by communication channels. These networks allow devices to share resources, such as files, printers, and internet connections.
Craig Bohren is a notable figure in the field of atmospheric science, particularly known for his work in light scattering and radiative transfer. He has contributed significantly to the understanding of how light interacts with particulate matter in the atmosphere, which has implications for climate science, meteorology, and remote sensing. Bohren has authored several influential books and papers on these topics, including the widely used textbook "Fundamentals of Atmospheric Radiation.
Hermann Ambronn was a German psychologist and educator known for his contributions to the field of educational psychology. He is particularly recognized for his work on theories of learning and the educational processes involved in psychological development. Ambronn focused on how educational experiences can shape individual development and aimed to bridge the gap between psychological theory and practical teaching methods.
Nikolay Zheludev is a notable physicist and researcher known for his work in the field of nanophotonics and metamaterials. He is recognized for his contributions to the study of light-matter interactions at the nanoscale, which have implications for the development of new technologies in optics and materials science. Zheludev's research often involves exploring how to manipulate light using engineered materials, leading to innovations in areas such as imaging, sensing, and telecommunications.
The Bezold effect is a phenomenon in color perception where the appearance of a color can change due to the presence of surrounding colors. It illustrates how the perception of a particular color can be altered by adjacent colors, leading to changes in hue, saturation, or brightness. For example, when a color is placed next to a contrasting color, its appearance may shift, making it look different than when viewed in isolation.
Niall McCrudden could refer to a specific individual, but without additional context, it's difficult to determine who exactly you are referring to, as there may be multiple people with that name.
A **crystal monochromator** is an optical device used to select specific wavelengths (or energies) of X-rays, gamma rays, or other forms of electromagnetic radiation from a broader spectrum of wavelengths produced by a source. It relies on the principle of diffraction, where incoming radiation interacts with the regular crystal lattice structure of a crystalline material.
An inverted microscope is a type of microscope that has its objectives located below the stage and the light source above the stage. This design allows for the observation of specimens that are placed in a dish or on a slide from beneath, which is particularly advantageous for viewing living cells and organisms in culture.
The least distance of distinct vision, also known as the near point, refers to the closest distance at which the human eye can focus on an object clearly. For a typical, healthy human eye, this distance is generally around 25 centimeters (10 inches). However, this value can vary among individuals, especially as people age or have certain vision conditions. Within this range, objects can be seen clearly without straining the eyes.

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