Supergranulation refers to a pattern of large-scale convective flow observed on the surface of the Sun. These are essentially massive, "super" sized cells of plasma that are significantly larger than the regular convective cells known as granules, which are typically about 1,000 kilometers in size. Supergranules can range from approximately 20,000 to 30,000 kilometers across and are thought to have lifetimes of several days.
Theory of Mind (ToM) refers to the ability to attribute mental states—such as beliefs, desires, intentions, and knowledge—to oneself and to others. This cognitive capability allows individuals to understand that others may have perspectives, thoughts, and feelings that differ from their own. In humans, ToM typically develops in early childhood and is considered a fundamental aspect of social cognition.
The Smurfs merchandising refers to the extensive range of products and promotional items associated with the Smurfs franchise, which is based on the comic series created by Belgian artist Peyo (Pierre Culliford) in the 1950s. Over the years, The Smurfs have expanded beyond comics into animated television shows, feature films, and various forms of media.
Tony Orchard is known primarily as a scientist, particularly in the field of biology and environmental studies. However, without more specific context—such as whether you're referring to his work, contributions, or a different aspect of his identity—it's challenging to provide a detailed answer.
Binary stars are systems consisting of two stars that are bound together by their mutual gravitational attraction and orbit a common center of mass. These systems can be classified into several types based on the nature of their orbits and the way they are observed: 1. **Visual Binaries**: These binary stars can be distinguished as separate stars through a telescope. They are visually observable, and their orbits can be tracked over time.
\( L/poly \) is a complexity class in computational theory that represents languages (sets of strings) that can be decided by a logarithmic amount of working memory (specifically, space) with the help of polynomial-size advice strings. Here's a more detailed breakdown: 1. **Logarithmic Space** (\( L \)): This part signifies that the computation is done using an amount of space that grows logarithmically with the size of the input.
A gyrotron is a type of vacuum tube that generates microwave radiation through the interaction of electrons with a magnetic field. It operates on the principle of electron cyclotron resonance, where electrons are accelerated in a magnetic field and generate high-frequency electromagnetic waves, typically in the microwave range (around 30 GHz to 1 THz).
Earwax, also known as cerumen, is a natural substance produced by glands in the skin of the ear canal. Its primary functions include: 1. **Protection**: Earwax helps protect the ear canal from dust, debris, and microorganisms, thereby reducing the risk of infections. 2. **Lubrication**: It acts as a lubricant, preventing the skin of the ear canal from becoming dry and itchy.
The Wiener-Khinchin theorem, also known as the Wiener-Khinchin theorem for the autocorrelation function, is a fundamental result in the field of signal processing and stochastic processes. It establishes a relationship between the autocorrelation function of a stationary random process and its power spectral density.
In linear algebra, a normal eigenvalue refers specifically to an eigenvalue of a normal matrix. A matrix \( A \) is defined as normal if it commutes with its conjugate transpose, that is: \[ A A^* = A^* A \] where \( A^* \) is the conjugate transpose of \( A \). Normal matrices include various types of matrices, such as Hermitian matrices, unitary matrices, and orthogonal matrices.
Martin Ryle was a renowned British radio astronomer, best known for his pioneering contributions to the field of astrophysics and for developing techniques that advanced radio telescope technology. He was awarded the Nobel Prize in Physics in 1974, along with Antony Hewish, for their work in the field of radio astronomy, particularly for their contributions to the development of a new type of telescope that allowed for the study of celestial objects.
Heliotropism is the phenomenon where plants or flowers orient themselves towards sunlight. This movement is often observed in sunflowers and other plants that display growth or movement in response to the direction of sunlight throughout the day. There are two main types of heliotropism: 1. **Positive Heliotropism**: This occurs when plants bend or grow towards the sun, maximizing their exposure to sunlight, which is essential for photosynthesis.
The term "geometric center" can refer to different concepts depending on the context in which it is used. Here are a few interpretations: 1. **Centroid**: In geometry, the geometric center often refers to the centroid of a shape, which is the point at which all the mass of the shape can be considered to be concentrated. For a two-dimensional shape, the centroid is the average of all the points in the shape.
The term "flash cut" can have different meanings depending on the context in which it is used. Here are a few interpretations: 1. **Film and Video Editing**: In editing, a "flash cut" refers to a sudden or abrupt transition between scenes or shots. This technique can create a jarring effect, drawing the viewer's attention or emphasizing a change in mood or narrative. It contrasts with more gradual editing transitions, such as crossfades or dissolve cuts.
Superheating is a process in which a liquid is heated to a temperature above its boiling point without it actually boiling. This phenomenon occurs under certain conditions where the liquid is kept in a stable state, often due to the absence of nucleation sites or impurities that would facilitate the formation of bubbles. In practical applications, superheating is commonly observed in heating water or other liquids in a microwave.
Edison Studios was an early film studio located in the Bronx, New York, founded by Thomas Edison and his business associates in 1896. It was one of the first studios dedicated to producing motion pictures. Edison Studios played a crucial role in the development of the American film industry during the silent film era, producing a variety of shorts, including comedies, dramatic works, and early narratives.
Median cut is a popular algorithm used primarily in image quantization and color reduction. The goal of the median cut algorithm is to reduce the number of colors in an image while trying to preserve the visual quality as much as possible. The basic idea is to partition the color space into smaller regions and then select representative colors from these regions to create a palette of colors that approximate the original image.
Jade Raymond is a prominent video game producer and executive known for her work in the gaming industry. She gained significant recognition as a producer for the Assassin's Creed series at Ubisoft, where she played a key role in developing the franchise. Raymond co-founded Ubisoft Toronto and served as its managing director. In 2019, she co-founded a new game studio called Haven Studios, which focuses on developing new gaming experiences.

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