Antarctic sea ice refers to the frozen seawater that forms in the Southern Ocean surrounding Antarctica. This sea ice plays a critical role in the Earth's climate system and has several important characteristics: 1. **Formation**: Antarctic sea ice typically forms during the winter months (from March to September) when temperatures drop and seawater freezes. Its extent can vary significantly throughout the year, reaching a maximum in September and a minimum in February.
The Early Holocene sea level rise refers to the significant increase in global sea levels that occurred during the early part of the Holocene epoch, which began around 11,700 years ago and lasted until about 5,000 years ago. At the end of the last Ice Age, melting glaciers and ice sheets contributed to a rapid rise in sea levels as the large volumes of water trapped in ice returned to the oceans.
Drift ice, also known as pack ice, refers to fragments of sea ice that are free-floating and not anchored to any landmass. It typically forms in polar and subpolar regions where the temperatures are low enough to allow the sea surface to freeze. Drift ice can vary in size and thickness and can be composed of both young ice, which is thinner, and older ice, which can be thicker and more compact.
In the context of sea ice, a "lead" refers to a narrow, linear opening or crack in the sea ice cover. Leads can form due to various processes, including wind and ocean currents, which can push or pull the ice apart, creating fractures. They can vary in size, from small cracks to larger openings, and can be temporary or persist for longer periods depending on environmental conditions.
Sea ice growth processes refer to the various physical phenomena and mechanisms that lead to the formation and thickening of sea ice in polar and sub-polar regions. These processes are crucial for understanding the climate system, as sea ice plays a significant role in regulating heat exchange between the ocean and the atmosphere, influencing global climate patterns.
Stamukha refers to a figure from Hindu mythology, specifically within the context of the Mahabharata. He is one of the prominent characters associated with the epic's narratives. Stamukha is often depicted as a warrior and is known for his valor in battles. However, specific details about his character and role can vary, as adaptations and interpretations of the Mahabharata differ across regions and traditions.
Anytime A* (AA*) is an extension of the A* search algorithm designed to provide approximate solutions to pathfinding problems in situations where computational resources are limited and time constraints exist. It is particularly useful in scenarios where finding an optimal solution can be computationally expensive and where obtaining a good solution quickly is preferable. ### Key Features of Anytime A*: 1. **Anytime Nature**: The algorithm provides a valid solution at any point during its execution.
Beam stack search is a search algorithm often used in artificial intelligence, particularly in the context of search problems like those found in natural language processing, robotics, or game playing. It combines elements of breadth-first and depth-first search strategies while maintaining a focus on efficiency and effectiveness. ### Key Concepts: 1. **Beam Width**: The "beam" in beam search refers to a fixed number of the most promising nodes (or paths) that the algorithm keeps track of at each level of the search tree.
Geometric hashing is a technique used in computer vision and computer graphics for object recognition and matching. It is particularly effective for recognizing shapes and patterns in 2D and 3D space. The main idea behind geometric hashing is to create a compact representation of geometric features from an object, which can then be used for rapid matching against other objects or scenes.
A hash function is a mathematical algorithm that takes an input (or "message") and produces a fixed-size string of bytes, typically in the form of a hash value or hash code. The output is usually a numerical representation of the original data, and it is designed to uniquely correspond to the input data. Here are some key characteristics and properties of hash functions: 1. **Deterministic**: For a given input, a hash function will always produce the same output.
Multiplicative binary search is a variation of the standard binary search algorithm that is particularly useful when you're trying to find the smallest or largest index of a value in a sorted array or list, especially when the range of values is unknown or not well-defined. It combines elements of both expansion and binary searching.
Proactive secret sharing is an advanced cryptographic technique designed to enhance the security and reliability of secret sharing schemes. In traditional secret sharing, a secret (such as a cryptographic key) is divided into multiple shares and distributed among participants, where a certain threshold of these shares is required to reconstruct the secret. While effective, traditional schemes can be vulnerable to certain attacks, such as when a participant's share is compromised or when all shares are static over time.
NewsRx is a news service that specializes in delivering information and updates related to various fields, including health, medicine, pharmaceuticals, biotechnology, and other scientific sectors. The platform aggregates and disseminates news articles, press releases, and research findings from a wide range of sources, catering to professionals, researchers, and organizations interested in the latest developments in these areas. NewsRx often provides insights into clinical trials, regulatory changes, and emerging trends in the industry, helping its audience stay informed about crucial developments.
A search algorithm is a method used to retrieve information stored within some data structure or to find a specific solution to a problem. It involves systematically exploring a collection of possibilities to locate a desired outcome. Search algorithms are fundamental in computer science and are used in various applications, such as databases, artificial intelligence, and optimization. There are two primary categories of search algorithms: 1. **Uninformed Search Algorithms**: These algorithms do not have additional information about the problem apart from the problem definition.
Stack search is not a widely recognized term in computer science, so its meaning may vary based on context. However, it could generally refer to a few related concepts: 1. **Search Algorithms Using a Stack**: In computer science, stack data structures are often used in search algorithms such as Depth-First Search (DFS). In this context, a stack is utilized to explore nodes in a tree or graph.
Uniform binary search is not a standard term widely recognized in computer science literature. However, it may refer to a searching algorithm that applies the principles of binary search in a uniform manner, possibly within a specific context. Binary search itself is a well-known algorithm for finding an item in a sorted array or list efficiently. ### Binary Search Overview Binary search works by repeatedly dividing the search interval in half: 1. Start with a sorted array and a target value you want to find.
Variable Neighborhood Search (VNS) is a metaheuristic optimization algorithm used for solving various combinatorial and continuous optimization problems. It is particularly effective for problems where the search space is large and complex, making it difficult to find optimal solutions using exact methods. The main idea behind Variable Neighborhood Search is to systematically explore different neighborhoods of the current solution to escape local optima and eventually find better solutions.
Thunderspy is a security vulnerability that affects Thunderbolt ports on certain computers, allowing unauthorized access to data without the need for physical access to the device. Discovered in 2020 by security researcher Jannes Arnéra, the vulnerability takes advantage of how Thunderbolt technology handles direct memory access (DMA). When exploited, Thunderspy can permit an attacker to bypass operating system security measures and gain unauthorized access to files and sensitive information stored on the device.
A trillion is a numerical value that represents one million million, or 1,000,000,000,000. In the short scale, which is commonly used in the United States and most English-speaking countries, a trillion is denoted by the figure 1 followed by 12 zeros. In terms of powers of ten, a trillion is expressed as \(10^{12}\).
The term "nerd" typically refers to a person who has a deep interest in subjects that are often considered niche or specialized, such as technology, science, gaming, comic books, or other forms of popular culture. Nerds are often characterized by their avid enthusiasm and expertise in these areas, and they may embrace aspects of geek culture, including attending conventions, engaging in role-playing games, or collecting memorabilia.

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