The Tolman–Oppenheimer–Volkoff (TOV) equation is a key result in general relativity that describes the structure of a spherically symmetric, non-rotating star in hydrostatic equilibrium, particularly those composed of nuclear matter, such as neutron stars. It extends the concepts of hydrostatic equilibrium in a gravitational field, taking into account the effects of general relativity.
Donald A. Glaser (1926–2019) was an American physicist, notable for his contributions to the field of particle physics and for his invention of the bubble chamber, a device used to detect subatomic particles. He was awarded the Nobel Prize in Physics in 1960 for his work in developing this technology, which allowed researchers to observe and record the interactions of particles in a liquid medium.
The Mizar system is a formal proof management system and a language for writing mathematical definitions and proofs. It was developed at the University of Bialystok in Poland and is part of a longer tradition of efforts to formalize mathematics using computers. Mizar's key components include: 1. **Mizar Language:** This is a declarative language designed to express mathematical concepts and proofs in a formal and readable way. It closely resembles conventional mathematical notation, making it relatively accessible for mathematicians.
Arkady Migdal is a name that may refer to a prominent physicist, Arkady A. Migdal, known for his work in theoretical physics. He made significant contributions to the field of quantum mechanics, particle physics, and astrophysics. His work often focuses on topics such as quantum field theory and the behavior of particles in complex systems.
Laser Focus World is a publication and online resource that covers the latest developments and trends in the fields of photonics, lasers, optics, and imaging. It serves professionals in industries such as laser manufacturing, optical systems, imaging technologies, and other related areas. The publication features articles, news, product reviews, and technical content aimed at engineers, researchers, and scientists working with laser and photonic technologies.
The IEEE Photonics Society is a professional organization and part of the Institute of Electrical and Electronics Engineers (IEEE), focused on advancing the field of photonics— the science and technology of generation, manipulation, and detection of photons, particularly in the visible and near-infrared spectrum. The society serves as a platform for researchers, engineers, and industry professionals involved in areas such as fiber optics, lasers, optoelectronics, and photonic devices.
In complex dynamics, particularly in the study of rational functions, Fatou components are important regions in the complex plane that describe the behavior of iterates of these functions. The classification of Fatou components is a way to categorize these regions based on their dynamical properties. Here’s an overview of how Fatou components are classified: 1. **Trivial Components**: These are components where the dynamics is either constant or behaves very simply.
Formal Concept Analysis (FCA) is a mathematical framework used for data analysis, knowledge representation, and information retrieval. It provides a way to systematically identify and represent the relationships between objects and their attributes within a given dataset. FCA is particularly useful in various domains, including data mining, information science, and social sciences.
Lattice-based access control (LBAC) is a security model used to regulate access to resources based on security levels and categories of subjects and objects within a system. The model establishes a lattice structure that represents various security classifications and clearances, allowing for fine-grained access control mechanisms. ### Key Concepts of Lattice-Based Access Control: 1. **Subjects and Objects**: - **Subjects**: Users or processes that request access to resources.
Micropower impulse radar (MIR) is a type of ground-penetrating radar (GPR) technology that operates using low-power electromagnetic waves. It is designed for subsurface exploration and imaging of various materials. Here are some key features and applications of micropower impulse radar: ### Key Features: 1. **Low Power Consumption**: As the name suggests, micropower impulse radar uses minimal power, making it suitable for portable and battery-operated applications.
"Legacy mode" can refer to different concepts depending on the context in which it is used. Here are a few common interpretations: 1. **Computing and Software**: In the context of computer systems and software, legacy mode often refers to a compatibility mode that allows older software applications to run on newer operating systems or hardware. This can be crucial for businesses that rely on older software that may not have been updated to be compatible with the latest technology.
A **metric lattice** is a type of mathematical structure that combines concepts from lattice theory and metric spaces. In essence, it is a lattice (a partially ordered set in which any two elements have a unique supremum and an infimum) endowed with a metric, which allows one to discuss notions of distance and convergence within the lattice.
The term "Cyclops laser" could refer to various laser systems or concepts, but it is most commonly associated with specific high-energy laser systems or laser technologies used in military or research settings. For example, in certain contexts, "Cyclops" may describe a laser system with specific capabilities, such as being compact and powerful. In military applications, a Cyclops laser may refer to directed energy weapons designed for use against drones, missiles, and other aerial threats.
The National Atmospheric Release Advisory Center (NARAC) is a program operated by the United States Department of Energy (DOE) that specializes in modeling and analyzing atmospheric releases of hazardous materials. NARAC provides real-time support and decision-making assistance during incidents involving the release of radioactive, chemical, or biological agents into the atmosphere.
Sierra is a supercomputer that was developed by IBM for the Lawrence Livermore National Laboratory (LLNL) in the United States. It was commissioned in 2018 and is part of the Department of Energy's push to enhance computational capabilities for national security and scientific research. Sierra is primarily used for simulations and complex calculations, particularly in areas such as nuclear weapons research, climate modeling, and advanced scientific studies.
Nova refers to a type of laser technology that is often used in various scientific and industrial applications. However, one of the most notable references to "Nova" in the context of lasers is the **NASA/DOE Nova program**, which was an experimental inertial confinement fusion project that sought to develop controlled fusion as a potential energy source.
Richard J. Temkin is a physicist known for his work in the field of plasma physics and engineering, particularly in relation to plasma processing and vacuum technology. He has contributed to research on various applications, including microwave sources and plasma devices.
The W70 is a type of nuclear warhead developed by the United States. It was designed for use with the U.S. Air Force’s air-launched cruise missile (ALCM) and was first deployed in the 1970s. The W70 warhead is known for its relatively low yield compared to other nuclear warheads, typically around 100 kilotons. It can be delivered by various aircraft and is part of the U.S. strategic nuclear arsenal.
Edgar Choueiri is a prominent figure in the fields of engineering, acoustics, and immersive audio technologies. He is best known for his work in the development of advanced audio systems, including techniques for creating realistic three-dimensional sound experiences. Choueiri has been involved in research related to spatial audio, virtual reality, and auditory perception. He is a professor at Princeton University, where he conducts research and teaches courses related to electrical engineering and audio technology.
As of my last knowledge update in October 2023, there is no widely recognized reference to "Rammal Rammal" in popular culture, literature, or significant public discourse. It's possible that it could refer to a person, a specific term, or a local reference that may not have gained widespread attention.
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!
Intro to OurBigBook
. Source. We have two killer features:
- 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-calculusArticles 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/derivativeVideo 2. OurBigBook Web topics demo. Source. - 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.
- to OurBigBook.com to get awesome multi-user features like topics and likes
- as HTML files to a static website, which you can host yourself for free on many external providers like GitHub Pages, and remain in full control
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. - Infinitely deep tables of contents:
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





