Unrestricted domain 1970-01-01
The term "unrestricted domain" can refer to different concepts depending on the context in which it is used. Here are a few interpretations: 1. **Mathematics**: In the context of mathematics, particularly in functions and calculus, an "unrestricted domain" refers to a set of inputs for which a function is defined without any limitations.
Crowd simulation 1970-01-01
Crowd simulation is a field of study and practice that focuses on modeling and simulating the behavior of groups of people in various environments. It is used in various contexts, such as urban planning, event management, video game design, film production, and safety analysis. The goal of crowd simulation is to understand and predict how individuals will interact with one another and their environment, especially under different conditions or scenarios.
Evacuation simulation 1970-01-01
Foams 1970-01-01
"Foams" refer to a collection of materials that consist of a mass of small gas bubbles trapped in a liquid or solid. They can be classified into several categories based on their composition and structure: 1. **Types of Foams**: - **Liquid Foams**: Consist of gas bubbles dispersed in a liquid. Common examples include shaving cream, whipped cream, and certain types of food emulsions.
Gels 1970-01-01
"Gels" refer to a type of semi-solid substance that often has properties of both a solid and a liquid. They are composed of a liquid phase that is dispersed within a solid network, allowing them to maintain a definite shape while still being capable of flowing under stress. Gels are commonly used in various fields, including: 1. **Food**: Gels are used in food products like jellies, jams, and certain desserts.
Places & Spaces: Mapping Science 1970-01-01
"Places & Spaces: Mapping Science" is a collaborative project that aims to visualize the landscape of scientific research through innovative mapping techniques. This initiative is often associated with the work of researchers like Katy Börner, a prominent figure in the field of information visualization and science mapping. The project includes the creation of visualizations that map various aspects of scientific literature, including citation patterns, research topics, and the evolution of scientific fields over time.
Dictatorship mechanism 1970-01-01
The term "dictatorship mechanism" can refer to several concepts, typically within political science or game theory, where it suggests a system allowing a single leader or decision-maker to exert control over a group or society. Here are a few interpretations of the term: 1. **Political Dictatorship**: In a political context, a dictatorship mechanism refers to the ways in which a dictator maintains power and controls a state.
Hydrogel 1970-01-01
Hydrogel is a three-dimensional network of hydrophilic polymer chains that can retain a significant amount of water while maintaining their structure. These materials can absorb and hold large quantities of water—sometimes up to several hundred times their dry weight—without dissolving. Due to their high water content, hydrogels exhibit properties similar to natural tissue, making them particularly useful in medical and biological applications.
Patchy particles 1970-01-01
Patchy particles are a type of colloidal particle or nanostructure that possess specific, localized regions or "patches" with distinct chemical or physical properties. These patches can be designed to have different functionalities—such as hydrophobic or hydrophilic characteristics, or specific binding affinities—for the purpose of creating complex structures or assemblies. The unique surface properties of patchy particles allow them to interact selectively with other particles or molecules, enabling the formation of diverse and complex structures at the nanoscale.
Water-in-water emulsion 1970-01-01
A water-in-water (W/W) emulsion is a type of emulsion where two immiscible phases of water are combined. Unlike traditional emulsions, which might consist of oil droplets dispersed in a water phase (oil-in-water) or water droplets dispersed in an oil phase (water-in-oil), a water-in-water emulsion consists of one aqueous phase dispersed within another aqueous phase.
Infiltration (hydrology) 1970-01-01
Infiltration in hydrology refers to the process through which water on the ground surface enters the soil. This process is a critical component of the hydrological cycle and significantly influences soil moisture, groundwater recharge, and overall water availability in an ecosystem. Several factors affect the rate of infiltration, including: 1. **Soil Type**: Different soil textures (sand, silt, clay) have varying capacities for infiltration.
Akaa Solar System Scale Model 1970-01-01
The Akaa Solar System Scale Model is a project located in Akaa, Finland, designed to represent the solar system on a large scale. This model illustrates the relative sizes and distances of the celestial bodies in our solar system, allowing visitors to better understand the vast distances between planets and the scale of the solar system. In a scale model like Akaa's, the planets are typically represented at scaled-down sizes and are placed at scaled distances from a central point, which is usually the Sun.
Historical models of the Solar System 1970-01-01
Historical models of the Solar System refer to the various theoretical frameworks and conceptual models that have been proposed throughout history to explain the arrangement and motion of celestial bodies within our Solar System. These models have evolved significantly over time, reflecting the progression of scientific understanding and technological advances in astronomy. Here are some key historical models: ### 1.
Kirkhill Astronomical Pillar 1970-01-01
The Kirkhill Astronomical Pillar, also known as the Kirkhill Observatory or Kirkhill Pillar, is an astronomical structure located near Kirkhill in Scotland. It was built in the early 19th century, around 1824, by the Reverend Robert A. Smith, who was a notable astronomer of his time. The pillar served as a sundial and was designed to assist in astronomical observations and provide a means to measure time using the sun's position.
Monument to the Sun 1970-01-01
The Monument to the Sun, also known as "Monument to the Sun" or "Pozdrav Suncu" in Croatian, is a large, circular solar-powered installation located in Zadar, Croatia. It was designed by the architect Nikola Bašić and completed in 2008. The monument is situated on the waterfront and comprises a series of photovoltaic solar panels arranged in a circular shape. The installation serves both as an art piece and a functional source of renewable energy.
Pajamäki Solar System Scale Model 1970-01-01
The Pajamäki Solar System Scale Model is an educational outdoor model located in Pajamäki, a district in Helsinki, Finland. It represents the solar system in a scaled-down version, allowing visitors to understand the relative distances between the planets and their sizes in relation to the sun. This model is usually created to give people a visual and interactive way to learn about the solar system's structure.
Rubbersheeting 1970-01-01
Rubbersheeting is a term used primarily in the context of **cartography** and **geographic information systems (GIS)**. It refers to a process of manipulating a map or image to correct distortions, align it more closely with another map or coordinate system, or adjust the scale of the image. This technique is especially useful when dealing with historical maps, aerial photographs, or satellite imagery that may not be perfectly aligned with contemporary geographic data.
Extended sympathy 1970-01-01
Extended sympathy refers to a deeper, more encompassing form of sympathy that goes beyond immediate feelings of pity or compassion. It involves a broader understanding and emotional connection to the experiences, struggles, and pain of others. This type of sympathy often includes: 1. **Empathy**: Understanding and sharing the feelings of another person, putting oneself in their shoes. 2. **Support**: Offering tangible and emotional support, not just in the moment but over time.
Fractional social choice 1970-01-01
Fractional social choice is a concept in social choice theory that extends traditional voting and decision-making frameworks to incorporate scenarios where preferences can be expressed in a fractional or probabilistic manner. This approach recognizes that individual preferences might not be strictly ranked as in classical voting systems, allowing for a more nuanced representation of societal choices. In conventional social choice mechanisms, individuals provide their preferences in terms of complete rankings or simple majority votes.
Implicit utilitarian voting 1970-01-01
Implicit utilitarian voting is a voting mechanism that aims to maximize overall social welfare or utility, based on the preferences of the voters. While traditional voting systems typically focus on explicit votes for specific candidates or policies, implicit utilitarian voting allows voters to express their preferences in a way that reflects the utility or satisfaction they derive from different options. In this system, voters may indicate not just their preferred choice but also the strength of their preference, often through a ranking or a scoring system.