Physics experiments are systematic investigations conducted to explore, test, and confirm the principles and theories of physics. These experiments can range from simple demonstrations that illustrate fundamental concepts to complex investigations that involve advanced equipment and methodologies. The primary goal of a physics experiment is to gather empirical evidence that either supports or refutes existing theories or to discover new phenomena.
The Dieudonné determinant is a generalized determinant used in the context of matrices over certain fields, particularly in relation to algebraic structures known as noncommutative rings. It arises in the study of the representation theory of groups and certain types of algebras, especially in the context of algebraic groups and linear algebraic groups.
Physics research institutes are specialized organizations or facilities dedicated to the study and exploration of various areas of physics. These institutes may focus on a wide range of topics within physics, such as theoretical physics, experimental physics, condensed matter physics, astrophysics, particle physics, and many others. They typically engage in cutting-edge research, contribute to advances in scientific knowledge, and often collaborate with universities, industry, and other research organizations.
The "head shadow" effect refers to the way sound waves are affected by the shape and position of a person's head, creating a phenomenon that influences how we perceive the direction of sounds. When sound waves travel toward a listener, the head can block certain frequencies or reduce the intensity of sound coming from one side compared to the other. This results in a difference in sound intensity and timing between the ears, which the brain interprets to locate the sound source.
The selenographic coordinate system is a framework used for mapping and specifying locations on the Moon's surface, similar to how terrestrial coordinates (latitude and longitude) are used for Earth. In the selenographic system, the coordinates are defined as follows: 1. **Latitude**: Measured in degrees north or south of the lunar equator, just like Earth.
A network model is a conceptual and mathematical framework used to represent and analyze interactions among various elements or entities within a system. It is widely used across various fields, including computer science, telecommunications, social sciences, and operations research. Below are some key aspects of network models: ### 1. **Structure**: - **Nodes** (or Vertices): These represent the individual entities or elements in the network. For example, in a social network, nodes could represent people or organizations.
A Toeplitz operator is a type of linear operator that arises in the context of functional analysis, particularly in the study of Hilbert spaces and operator theory. Toeplitz operators are defined by their action on sequences or functions, and they are often associated with Toeplitz matrices.
Blue phase mode LCD is a type of liquid crystal display technology that utilizes a specific phase of liquid crystals known as "blue phase." This phase is characterized by its unique optical properties and ability to switch states quickly, making it suitable for various display applications. ### Key Features of Blue Phase Mode LCD: 1. **Fast Response Time:** Blue phase mode liquid crystals can switch between different states much faster than traditional twisted nematic (TN) or even in-plane switching (IPS) display technologies.
The Jupiter trojans are a group of asteroids that share an orbit with Jupiter, located at the Lagrange points L4 and L5, which are approximately 60 degrees ahead of and behind Jupiter in its orbit around the Sun. The Greek camp refers to those trojans whose names are derived from characters from Greek mythology, particularly those associated with the Trojan War.
Nematicon is a type of optical switch that uses liquid crystals to control the passage of light. Typically, it consists of a device that can manipulate the light's properties, such as its intensity or phase, by adjusting the orientation of liquid crystal molecules in response to an electric field. This technology leverages the unique characteristics of liquid crystals, allowing for rapid switching and potential applications in telecommunications, displays, and other optical systems.
Dynamic modality typically refers to the concept of expressing necessity and possibility in varying contexts, often in relation to ability, capacity, or permission that can change based on circumstances. This concept is commonly found in linguistics, philosophy, and modal logic. In linguistics, dynamic modality deals with the ways in which verbs and expressions can capture the idea of actions that are possible or necessary due to the abilities of the subject, rather than being strictly about what is logically or factually required.
GNOME LaTeX is a graphical user interface (GUI) front-end for creating and managing LaTeX documents. It is part of the GNOME desktop environment and is designed to help users, especially those who may not be familiar with LaTeX, to easily write, compile, and preview LaTeX documents.

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