George O. Abell was an American astronomer best known for his work in the field of galaxy clusters and for his contributions to observational cosmology. He was born on March 1, 1927, and passed away on July 7, 1983. Abell is particularly noted for creating the Abell catalog of rich clusters of galaxies, which is a significant resource for astronomers studying the large-scale structure of the universe.
ZhuZhu Pets are a brand of electronic toy pets that were created by a company called Cepia, LLC. They were first released in 2009 and quickly became a popular toy among children. The toys are small, interactive hamsters that move around on their own, make various sounds, and respond to touch. Each ZhuZhu Pet has its own personality and name, contributing to their appeal.
Thomas Snyder is a name that could refer to various individuals, depending on the context. One notable Thomas Snyder is an American mathematician known for his work in combinatorial game theory, particularly in relation to games such as Nim.
Science-Enabling Technologies for Heliophysics refers to advanced technologies and methods that support the study of heliophysics, which is the science of the Sun and its interactions with the solar system, including the Earth's magnetosphere and atmosphere. This field encompasses a wide range of phenomena, including solar radiation, solar wind, magnetic fields, and their effects on planetary environments. The development and application of these technologies are crucial for enhancing our understanding of heliophysical processes.
The New Mexico Institute of Mining and Technology, commonly known as New Mexico Tech, is a public research university located in Socorro, New Mexico. Established in 1889, it primarily focuses on science, engineering, and technology education and research. The university is known for its strong emphasis on fields such as geology, physics, mechanical engineering, chemical engineering, and information technology. New Mexico Tech offers a wide range of undergraduate and graduate degree programs and is recognized for its rigorous academic standards and research opportunities.
The solar azimuth angle is a measure used in solar energy applications, architecture, and related fields to describe the position of the sun in the sky at any given time during the day. Specifically, it is defined as the angle between the north direction (usually measured from true north) and the line to the sun measured in degrees clockwise. Here’s a basic breakdown of the concept: - **Reference Direction**: The azimuth angle is typically measured from true north.
Solar power is the energy obtained from the sun's rays, which can be converted into electricity or heat for various applications. It is a renewable and sustainable energy source that plays a crucial role in reducing reliance on fossil fuels and mitigating climate change. There are two primary methods for harnessing solar power: 1. **Photovoltaic (PV) Systems**: These systems use solar panels, made up of many solar cells, to convert sunlight directly into electricity.
A plumb bob is a tool utilized in construction, carpentry, and masonry to determine vertical alignment. It typically consists of a pointed weight, often made of metal, that is suspended from a thin cord or string. When the plumb bob hangs freely, the weight causes it to come to a rest in a vertical position, creating a vertical reference line. The use of a plumb bob is essential in ensuring that structures are level and correctly oriented.
The term "Sun Belt" refers to a region in the United States that stretches across the southern part of the country, characterized by a warm climate and generally lower population density. It typically includes states such as Florida, Texas, Arizona, California, and parts of the southeastern U.S. The Sun Belt has experienced significant population growth and economic development, especially since the latter half of the 20th century, attracting people due to its favorable weather, job opportunities, and recreational activities.
Supercomputing in Japan refers to the country's advanced computational capabilities, primarily embodied in its high-performance computing (HPC) systems. Japan has a long history of investment in supercomputing technology, and it has developed several notable supercomputers that have made significant impacts in various fields, including scientific research, weather forecasting, and complex simulations.
The Medea hypothesis is a concept in ecology and evolutionary biology that suggests a potential explanation for the persistence of certain species and the resistance to extinction. It is named after the figure from Greek mythology, Medea, who is known for her vengeful actions. The hypothesis posits that some populations can survive and thrive in the face of environmental challenges through a combination of mechanisms that include the spread of deleterious genetic traits.
Patterns of self-organization in ants refer to the complex collective behaviors that emerge from the interactions of individual ants, without centralized control or direction. These behaviors arise from the simple rules that govern the actions of individual ants, leading to the emergence of organized patterns and structures at the group level. Here are a few key aspects related to self-organization in ants: 1. **Foraging Behavior**: Ants often use pheromones to communicate and coordinate their foraging activities.
Supercomputing in India refers to the development, deployment, and utilization of high-performance computing (HPC) systems to solve complex computational problems across various fields such as climate modeling, computational biology, earthquake simulations, weather forecasting, and more. Here are some key aspects of supercomputing in India: ### 1. **Supercomputing Infrastructure:** - India has invested significantly in establishing supercomputing facilities.
A "smart mob" refers to a group of individuals who come together quickly and spontaneously, often utilizing mobile technology, social media, or other digital communication tools to organize and coordinate their activities. The term was popularized by Howard Rheingold in his book "Smart Mobs: The Next Social Revolution," published in 2002. Smart mobs can form for various purposes, including protests, social movements, collective actions, or even collaborative efforts in non-political contexts.
A list of supersonic aircraft includes various types of military and civilian aircraft that have the capability to exceed the speed of sound (approximately 343 meters per second or 1,125 feet per second at sea level). Here’s a list that highlights some notable supersonic aircraft: ### Military Supersonic Aircraft 1. **Bell X-1** - The first aircraft to break the sound barrier, flown by Chuck Yeager in 1947.
The Bristol Type 223 was a British aircraft design developed in the 1940s by the Bristol Aeroplane Company. It was intended as a medium bomber for use by the Royal Air Force after World War II. The design of the Type 223 featured a twin-engine configuration and was notable for its intended use of advanced aerodynamics and technology for its time. However, the Bristol Type 223 never reached production. As military priorities and technologies evolved post-war, the project was eventually abandoned.
Surgery in ancient Rome was a developing field that was influenced by earlier practices from ancient Greece and other cultures. Roman surgical practices were somewhat advanced for their time, although they were still limited by the medical knowledge and technology available. ### Key Aspects of Surgery in Ancient Rome: 1. **Surgeons and Medical Professionals**: Roman surgeons known as "chirurgi" (from the Greek term "cheirourgos") were often distinct from physicians.
The First-Hitting-Time Model is a concept used in various fields, including probability theory, stochastic processes, and queuing theory, to describe the time taken for a stochastic process to reach a specified state for the first time. This model is particularly useful in analyzing systems where events occur randomly over time. ### Key Concepts: 1. **Stochastic Processes**: A stochastic process is a collection of random variables representing a process that evolves over time.
The Kaniadakis Weibull distribution is a generalized form of the Weibull distribution that is derived from the Kaniadakis formulation, which is designed to accommodate certain statistical properties particularly relevant in non-extensive statistical mechanics and complex systems. In general, the classic Weibull distribution is characterized by its shape and scale parameters and is commonly used to model reliability data and life data analysis.
Statistical assembly refers to a theoretical framework in statistical mechanics that deals with systems composed of a large number of particles, which can be described in terms of probabilistic distributions and statistical properties. In this context, "assembly" typically refers to the configuration of particles, energies, and other properties within a system. There are several types of statistical assemblies used to model different physical systems: 1. **Microcanonical Ensemble**: This is used for isolated systems with fixed energy, volume, and number of particles.
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





