Trans-lunar injection (TLI) is a maneuver used in spaceflight to send a spacecraft from low Earth orbit (LEO) on a trajectory toward the Moon. This maneuver involves firing the spacecraft's propulsion system at a specific point in its orbit around Earth, which changes its velocity and trajectory to escape Earth's gravitational influence and enter a path that intersects with the Moon's orbit.
The Levy–Mises equations are a set of equations used in the context of continuum mechanics to describe the behavior of materials, particularly in the analysis of elastic and viscoelastic solids. These equations are part of the larger theory of linear elasticity, which is used to model how materials deform under stress.
Tape-based computer storage refers to the use of magnetic tape as a medium for storing digital data. This technology has been around since the 1950s and was one of the primary methods for data storage in early computing. Despite the advent of newer storage technologies, tape storage continues to have applications due to its high capacity, durability, and cost-effectiveness for specific uses.
Burgundy refers to a region in eastern France that is renowned for its rich history, culture, and particularly its wine production. Here are some key aspects of Burgundy: 1. **Geography**: The Burgundy region, known in French as "Bourgogne," is situated in the center-eastern part of France. It includes both hilly areas and flatter plains, with the Saône River flowing through it.
A Schottky defect is a type of point defect that occurs in ionic crystals. It involves the simultaneous vacancy of an anion and a cation in the crystal lattice, maintaining the overall charge neutrality of the material. Essentially, a Schottky defect is characterized by the absence of one positive ion (cation) and one negative ion (anion) from their respective lattice sites. This defect can influence the properties of the material, such as its density, ionic conductivity, and electrical properties.
TSC-3 typically refers to the "Third Technical Support Command," which is a designation used within military logistics and support operations. However, without additional context, it could also refer to specific technologies, systems, or initiatives in various fields, including telecommunications, computing, or other areas.
A Damped Lyman-alpha system (DLA) is a type of astronomical object observed in the spectra of distant quasars and galaxies. It is characterized by a strong absorption feature in the Lyman-alpha transition of hydrogen (at a wavelength of 121.6 nm) due to neutral hydrogen gas in the intervening medium.
A Fermat curve is a type of algebraic curve defined by the equation: \[ x^n + y^n = z^n \] for a positive integer \(n \). The most well-known case of Fermat curves is when \( n = 2 \), which gives the equation of a circle: \[ x^2 + y^2 = z^2.
Philip Rabinowitz was an American mathematician known for his contributions to various areas of mathematics, including functional analysis, numerical analysis, and applied mathematics. He was particularly recognized for his work on approximation theory and rational approximation. Throughout his career, he authored numerous research papers and was involved in academic teaching and mentorship. Rabinowitz’s work has had a lasting influence in his fields of study, and he may be cited in various mathematical literature.
Mathematical physiology is an interdisciplinary field that applies mathematical models and techniques to understand and describe biological processes and systems within the context of physiology. This area of study leverages mathematical concepts, including differential equations, statistics, and computational modeling, to analyze complex biological phenomena, often focusing on the behavior of living organisms and their systems.
3M Computer typically refers to a subgroup within 3M Company (formerly known as Minnesota Mining and Manufacturing Company), which is a diversified technology company known for its innovative products across various sectors including healthcare, consumer goods, and industrial applications. The term "3M computer" may specifically refer to products, technologies, or solutions developed by 3M that leverage computing technology for applications in fields like science, engineering, and business.
Helena Pycior is not a widely recognized name in public discourse as of my last update in October 2021, so it's possible that she may be a figure in a specific field, a fictional character, or someone who has gained prominence more recently.
Mathematical programming with equilibrium constraints (MPEC) is a type of optimization problem that involves finding an optimal solution while satisfying certain equilibrium conditions, which are often described by complementarity conditions or variational inequalities. MPECs are particularly useful in areas where the decision-making process is influenced by equilibrium relationships, such as economics, engineering, and operations research.

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 5. . 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.
  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