Maureen Raymo is a prominent American paleoclimatologist and geoscientist known for her research on climate change and sea-level rise. She is especially recognized for her work related to ice sheet dynamics and the impacts of past climate changes on sea levels. Raymo has contributed significantly to the understanding of Earth’s climate history through the study of deep-sea sediment cores and other geological evidence.
Meibography is a diagnostic imaging technique used to visualize the meibomian glands located in the tarsal plates of the eyelids. These glands are responsible for producing meibum, an oily substance that is a crucial component of the tear film, helping to reduce tear evaporation and maintain ocular surface health. The procedure typically involves using specialized cameras or imaging systems, such as infrared or other forms of light, to capture images of the meibomian glands.
Mekorot is the national water company of Israel, responsible for the management and supply of water resources in the country. Established in 1937, its primary goal is to ensure a reliable and sustainable water supply for domestic, agricultural, and industrial use. Mekorot operates a network of water pipelines, reservoirs, and treatment facilities, and it plays a crucial role in the development and maintenance of Israel's water infrastructure.
In linguistics, particularly in the context of generative grammar and the study of syntax, "Merge" is a fundamental operation proposed by Noam Chomsky in his theory of the minimalist program. Merge is a syntactic operation that combines two elements to create a new structure. There are two types of Merge: 1. **External Merge**: This combines a lexical item (a word or a morpheme) with a structure or another lexical item.
Methylation-induced premeiotically refers to the process where DNA methylation modifications occur in the germ cells (sperm and eggs) before meiosis, which is the type of cell division that produces gametes. DNA methylation is an epigenetic modification that involves the addition of a methyl group to the DNA, typically at cytosine bases, and plays a critical role in regulating gene expression, maintaining genome stability, and influencing various biological processes.
The metric derivative is a concept in differential geometry that generalizes the notion of a derivative of a function with respect to a curve in a metric space. It is particularly useful when dealing with the paths or curves in spaces where the usual notion of differentiation may not apply directly, such as in Riemannian or pseudo-Riemannian manifolds.
Michio Jimbo is a distinguished mathematician known for his contributions to the fields of mathematics, particularly in areas such as integrable systems, algebraic geometry, and mathematical physics. He is recognized for his work on the theory of solitons and has made significant advancements in understanding the mathematical structures underlying integrable systems. Jimbo is also known for his collaborations with other researchers and has authored or co-authored numerous papers and publications.
Minkowski's bound is a concept from number theory, particularly in the area of algebraic number fields and lattice point counting. It is named after the mathematician Hermann Minkowski. In the context of algebraic number theory, Minkowski's bound provides a way to estimate the size of the class number of a number field. More concretely, it establishes a bound on the norms of non-zero ideals in the ring of integers of a number field.
Mubarak Muyika is a notable entrepreneur and technology innovator from Kenya, recognized for his work in the fields of information technology and software development. He gained prominence for founding a successful tech company, which focuses on providing digital solutions and web services. Muyika's contributions extend beyond entrepreneurship; he is often involved in initiatives aimed at empowering young people, particularly in the technology sector, and promoting innovation in Africa.
Nancy Flournoy is a notable figure in the field of education, particularly recognized for her work related to mathematics education and for her role as a professor. She is known for her contributions to the understanding and teaching of mathematics, including addressing the needs of diverse learners.
The National Diet of Japan Fukushima Nuclear Accident Independent Investigation Commission was established in July 2012 to investigate the causes and consequences of the Fukushima Daiichi nuclear disaster, which occurred in March 2011 following a massive earthquake and tsunami. This independent commission was formed by the National Diet, Japan's bicameral legislature, and its purpose was to provide a thorough, transparent assessment of the disaster's background, the response to the emergency, and the regulatory environment leading up to the incident.
A Johnson graph, denoted as \( J(n, k) \), is a type of vertex-transitive graph that represents the relationships between the \( k \)-element subsets of an \( n \)-element set. Specifically, the vertices of a Johnson graph are the \( k \)-element subsets of a set with \( n \) elements, and there is an edge between two vertices (subsets) if their intersection has exactly \( k-1 \) elements.
NavPix is a technology that allows users to associate images with geographic coordinates, enabling the linking of photos to specific locations on a map. This feature was initially developed by certain GPS and navigation system manufacturers to enhance the experience of capturing and sharing travel memories. Users can take a photo with a GPS-enabled camera or device, and the NavPix technology embeds the location information (like latitude and longitude) into the image file.
Net force, often represented as \( F_{\text{net}} \), is the vector sum of all the individual forces acting on an object. It determines the object's acceleration according to Newton's second law of motion, which states that \( F = ma \), where: - \( F \) is the net force, - \( m \) is the mass of the object, - \( a \) is the acceleration of the object.
Raynor Johnson (1911-1994) was a prominent Australian physicist, best known for his work in astrophysics and as a pioneer in the field of science communication. He made significant contributions to the study of cosmic rays and the interactions of particles in space. Beyond his research, Johnson was recognized for his efforts to promote science education and public understanding of science, including his role in the Australian Academy of Science and various educational initiatives.
Nikola Tesla was a Serbian-American inventor, electrical engineer, mechanical engineer, and futurist known for his contributions to the development of alternating current (AC) electrical systems. Born on July 10, 1856, in Smiljan, Croatia (then part of the Austrian Empire), Tesla's work laid the groundwork for modern electrical power distribution.
The Paris Convention on Third Party Liability in the Field of Nuclear Energy, commonly known as the Paris Convention, is an international treaty established to create a framework for liability and compensation in the event of a nuclear accident. Adopted on July 29, 1960, in Paris, France, the convention aims to ensure that victims of nuclear incidents can receive appropriate compensation while also encouraging the development of nuclear power by establishing clear legal responsibilities for operators of nuclear installations.
MCRL2 (which stands for "Mathematical Computational Representation Language 2") is a specification language and model-checking tool designed for the formal verification of concurrent and distributed systems. It is particularly useful in the context of performance evaluation and verification of systems where multiple components may be interacting or executing in parallel.
Process calculus is a collection of formal approaches used to describe and analyze complex systems that involve concurrent and interacting processes. It provides a mathematical framework for modeling the behaviors of systems in which components operate simultaneously and may communicate or synchronize with one another. Key features of process calculus include: 1. **Concurrency**: Process calculus allows for the modeling of multiple processes running concurrently. It provides a way to represent interactions among these processes.
A pseudoscalar is a quantity that transforms like a scalar under proper Lorentz transformations but gains an additional minus sign under improper transformations, such as parity transformations (spatial inversion). This means that while a pseudoscalar remains unchanged under rotations and boosts (proper transformations), it changes sign when the spatial coordinates are inverted.

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