Ribbon graph
A ribbon graph is a mathematical structure used primarily in the field of topology and combinatorial structures. It is a kind of graph where edges are represented as ribbons, which have a specified width. Ribbon graphs can be thought of as a generalization of planar graphs and provide a way to encode information about embeddings of graphs in surfaces.
Quantum mechanics journals
Quantum mechanics journals are scientific publications that focus on research, reviews, and developments in the field of quantum mechanics, which is a fundamental theory in physics that describes the behavior of matter and energy at very small scales, such as atoms and subatomic particles. These journals serve as platforms for researchers to share their findings, methodologies, theoretical advancements, and experimental results related to quantum phenomena.
Data
Data refers to raw facts and figures that can be processed and analyzed to derive meaningful information or insights. It can come in various forms, including numbers, text, images, audio, and video. In the context of computers and information technology, data is often represented in binary form (0s and 1s) and can be structured (organized in a defined format, like databases) or unstructured (not organized in a predefined manner, like emails or social media posts).
John Aston (statistician)
John Aston is a statistician known for his contributions to the field of statistics, particularly in areas such as statistical methodology, data analysis, and applied statistics. He has been involved in various academic and research activities, focusing on advancing statistical techniques and their applications in different domains.
Navajo meridian and baseline
The Navajo Meridian and Baseline are reference lines used in the surveying and land division of the Navajo Nation, which is a large Native American territory in the Southwestern United States, primarily located in Arizona, New Mexico, and Utah. - **Meridian**: The Navajo Meridian is a north-south line used as a reference point for land surveying within the Navajo Nation. It serves as the starting point from which land parcels and other geographical features are measured and located.
ANSI ASC X9.95 Standard
The ANSI ASC X9.95 standard is part of a set of standards developed by the Accredited Standards Committee (ASC) X9, which focuses on financial services and electronic transactions. Specifically, X9.95 addresses the requirements for the management of financial services data, particularly pertaining to the protection and security of sensitive information, such as personal financial information. The main goals of the ANSI ASC X9.
The International Radio Sailing Association (IRSA) governs various classes of radio-controlled sailboats used in competitive sailing. The classes are defined by specific rules and specifications that outline the design, dimensions, and other characteristics of the boats. Some of the recognized classes under IRSA include: 1. **International One Metre (IOM)** - A very popular class with a length of one meter, recognized for its competitive racing.
Angle of incidence (optics)
The angle of incidence in optics refers to the angle formed between an incident ray and the normal to the surface at the point where the ray strikes the surface. The normal is an imaginary line that is perpendicular to the surface at the point of contact. In mathematical terms, if a ray of light is coming in at a certain angle relative to this normal line, that angle is defined as the angle of incidence (typically denoted as \( \theta_i \)).
Ludwik Silberstein
Ludwik Silberstein was a Polish-born physicist who made significant contributions to theoretical physics, particularly in the areas of relativity and cosmology. Born in 1889, he became known for his work in the early 20th century, particularly in relation to Einstein's theory of relativity. Silberstein authored several papers and books on these topics, and he also engaged in discussions and debates surrounding the interpretations and implications of relativity.
Data and information organizations refer to entities or frameworks that specialize in the collection, management, analysis, and dissemination of data and information. These organizations play a crucial role in various fields, including business, government, research, and education. Here's a breakdown of what these terms mean: ### Data - **Definition**: Data consists of raw facts and figures that can be processed and interpreted. This could include numbers, text, images, or any form of stored information.
Closure with a twist
Closure with a twist is a concept often referred to in discussions about narrative structure, particularly in literature and film. It generally involves providing a resolution to a story while simultaneously adding an unexpected element or twist that recontextualizes the events that have unfolded. This can challenge the audience's previous understanding of the characters, plot, or themes by introducing a surprising revelation or turning the conclusion in a new direction.
Seth Neddermeyer
Seth Neddermeyer is a fictional character from the TV series "The Boys," which is based on the comic book series of the same name created by Garth Ennis and Darick Robertson. In the show, the character is involved in the superhuman and corporate elements of a world where superheroes exist, often exploring themes of morality, power, and corruption.
R4 nuclear reactor
The R4 nuclear reactor refers to a specific type of research reactor that was developed in the early to mid-20th century. Its full designation is "R4 reactor," and it was part of a series of reactors designed for educational, research, and isotopic production purposes. The R4 reactor is often associated with its use in the French nuclear research program, where it served various purposes including the experimentation and development of nuclear technology.
M. Elaine Toms
M. Elaine Toms is an academic known for her research in the field of information science and information behavior. She has made significant contributions to understanding how people seek and use information, particularly in the context of digital and online environments. Toms has focused on areas such as human-computer interaction, user experience, and the role of information in decision-making processes.
Alloys
Alloys are materials made by combining two or more elements, where at least one of the elements is a metal. This combination results in a substance that typically has enhanced properties compared to the individual components. The primary goal of creating an alloy is to improve characteristics such as strength, ductility, corrosion resistance, temperature resistance, and hardness. Common examples of alloys include: 1. **Steel**: An alloy of iron and carbon, often with other elements like manganese, nickel, or chromium.
Amazon Sidewalk
Amazon Sidewalk is a shared network that helps devices work better at home and beyond. It extends the low-bandwidth, low-power connectivity of Internet of Things (IoT) devices, such as smart lights, sensors, and other smart home products, by using a combination of Bluetooth and other low-power wireless technologies. The goal is to enhance the functionality of these devices by allowing them to communicate over longer distances and improve connectivity in areas that may have weak Wi-Fi signals.
AS1 (networking)
AS1, or Applicability Statement 1, is a specification developed by the Internet Engineering Task Force (IETF) as part of the ASxx series, which defines the protocols for exchanging electronic business documents over the Internet. Specifically, AS1 is designed for the secure and reliable exchange of business documents, such as purchase orders and invoices, using simple email protocols along with encryption and digital signatures.
Anode ray
Anode rays, also known as canal rays, are a type of positively charged particle beam observed in a discharge tube. They were discovered by Eugen Goldstein in 1886. Anode rays are produced when a high-voltage electrical discharge passes through a low-pressure gas, resulting in the ionization of the gas.