Topic is one of the core types in Freebase. Topics contain a set of default properties that are generally useful when describing a topic: display name, alias, article, image and webpage. Most types in Freebase carry these topic properties by default. If an item in Freebase is typed 'topic' it...
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| x name | x image | x Also known as | x article | x Also Typed With |
| Energy |
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In physics, energy (Ancient Greek: ἐνέργεια energeia "activity, operation") is an indirectly observed quantity. It is often understood as the ability a physical system has to do work on other physical systems. Since work is defined as a force acting...
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| Energy storage |
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Energy storage is accomplished by devices or physical media that store energy to perform useful operation at a later time. A device that stores energy is sometimes called an accumulator.
All forms of energy are either potential energy (e.g. Chemical...
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| Energy level |
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A quantum mechanical system or particle that is bound -- that is, confined spatially—can only take on certain discrete values of energy. This contrasts with classical particles, which can have any energy. These discrete values are called energy...
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| Energy-efficient landscaping |
Energy-efficient landscaping is a type of landscaping designed for the purpose of conserving energy. There is a distinction between the embedded energy of materials and constructing the landscape, and the energy consumed by the maintenance and...
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| Energy | Energy, Illinois |
Energy is a village in Williamson County, Illinois, United States. The population was 1,175 at the 2000 census.
Energy is located at 37°46′21″N 89°1′32″W / 37.7725°N 89.02556°W / 37.7725; -89.02556 (37.772398, -89.025519).
According to the United...
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| Energy economics |
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Energy economics is a broad scientific subject area which includes topics related to supply and use of energy in societies. Due to diversity of issues and methods applied and shared with a number of academic disciplines, energy economics does not...
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| Energy crisis |
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An energy crisis is any great bottleneck (or price rise) in the supply of energy resources to an economy. In popular literature though, it often refers to one of the energy sources used at a certain time and place, particularly those that supply...
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| Energy flow |
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In ecology, energy flow, also called the calorific flow, refers to the flow of energy through a food chain. In an ecosystem, ecologists seek to quantify the relative importance of different component species and feeding relationships.
A general...
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| Energy drink |
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Energy drinks are beverages whose producers advertise that they "boost energy". These advertisements usually do not emphasize energy derived from the sugar and caffeine they contain but rather increased energy release due to a variety of stimulants...
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| Energy Star |
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Energy Star is an international standard for energy efficient consumer products originated in the United States of America. It was created in 1992 by the Environmental Protection Agency and the Department of Energy during the Clinton Administration....
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| Energy efficiency |
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Energy efficiency may refer to:
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| Energy conservation |
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Energy conservation refers to efforts made to reduce energy consumption. Energy conservation can be achieved through increased efficient energy use, in conjunction with decreased energy consumption and/or reduced consumption from conventional energy...
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| Energy bar |
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Energy bars are supplemental bars containing cereals and other high energy foods targeted at people that require quick energy but do not have time for a meal. They are different from energy drinks, which contain caffeine, whereas bars provide food...
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| Energy value of coal |
The energy value of coal, or the fuel content, is the amount of potential energy in coal that can be converted into actual heating ability. The value can be calculated and compared with different grades of coal or even other materials. Materials of...
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| Energy development |
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Energy development is the effort to provide sufficient primary energy sources and secondary energy forms for supply, cost, impact on air pollution and water pollution, mitigation of climate change with renewable energy.
Technologically advanced...
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| Energy spectrum |
An energy spectrum is a distribution energy among a large assemblage of particles. It is a statistical representation of the wave energy as a function of the wave frequency, and an empirical estimator of the spectral function. For any given value of...
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| Energy-dispersive X-ray spectroscopy |
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Energy-dispersive X-ray spectroscopy (EDS or EDX) is an analytical technique used for the elemental analysis or chemical characterization of a sample. It relies on the investigation of an interaction of some source of X-ray excitation and a sample....
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| Energy scale |
In physics, energy scale is a particular value of energy determined with the precision of one order (or a few orders) of magnitude. Different phenomena occur at different energy scales. The typical energies of all phenomena that occur at the same...
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| Energy carrier |
According to ISO 13600, an energy carrier is either a substance (energy form) or a phenomenon (energy system) that can be used to produce mechanical work or heat or to operate chemical or physical processes.
In the field of Energetics, however, an...
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| Energy Plaza |
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Energy Plaza is a skyscraper in the City Center District of downtown Dallas, Texas, north of Thanks-Giving Square at 1601 Bryan Street. Designed by I.M. Pei and Partners, the building is 192 m (630 ft) and 49 stories, making it the ninth tallest...
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| Energy blast |
An energy blast is a collection of power in the form of a projectile that has destructive effects when it strikes an object. It is a very common type of attack in various forms of fiction, although the phenomenon can occur in real life as well. For...
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Character Power | ||
| Energy amplifier |
In nuclear physics, an energy amplifier is a novel type of nuclear power reactor, a subcritical reactor, in which an energetic particle beam is used to stimulate a reaction, which in turn releases enough energy to power the particle accelerator and...
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| Energy-Maneuverability theory |
Energy–maneuverability theory is a model of aircraft performance. It was promulgated by Col. John Boyd, and is useful in describing an aircraft's performance as the total of kinetic and potential energies or aircraft specific energy. It relates the...
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| Energy Task Force | National Energy Policy Development Group |
The Energy Task Force, officially the National Energy Policy Development Group (NEPDG), was a task force created by then-U.S. President George W. Bush in 2001 during his second week in office. Vice President Dick Cheney was named chairman. This...
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| EnergyMech |
EnergyMech is an IRC bot written in the C programming language and distributed according to the GNU General Public License.
History before 1997 is unclear but the current version was branched off the original EnergyMech written by Polygon....
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| Energy Policy Act of 1992 |
The Energy Policy Act (102nd Congress H.R.776.ENR, abbreviated as EPACT92) is a United States government act. It was passed by Congress and addressed energy efficiency, energy conservation and energy management (Title I), natural gas imports and...
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Legislation | ||
| Energy returned on energy invested | EROEI |
In physics, energy economics and ecological energetics, energy returned on energy invested (EROEI or ERoEI); or energy return on investment (EROI), is the ratio of the amount of usable energy acquired from a particular energy resource to the amount...
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| EnergyAustralia Stadium |
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EnergyAustralia Stadium, Newcastle |
Newcastle International Sports Centre, known as Hunter Stadium from January 2012, is a multi-purpose sports stadium located in Newcastle, New South Wales, Australia. It is the home ground of the Newcastle Knights (National Rugby League) and the...
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| Energy-credits |
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Energy accounting is a system used to measure, analyze and report the energy consumption of different activities on a regular basis. It is done to improve energy efficiency.
Energy accounting is a system used in energy management systems where...
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| Energy psychology |
Energy psychology is not a specific field of study but rather refers generally to a collection of techniques and therapies that are often classed as alternative medicine.
Energy psychology focuses on the interrelationship of emotion, behavior,...
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| Energy Tower |
The energy tower is a device for producing electrical power. The brainchild of Dr. Phillip Carlson, expanded by Professor Dan Zaslavsky and Dr. Rami Guetta from the Technion. Energy towers spray water on hot air at the top of the tower, making the...
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| Energy harvesting |
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Energy harvesting (also known as power harvesting or energy scavenging) is the process by which energy is derived from external sources (e.g., solar power, thermal energy, wind energy, salinity gradients, and kinetic energy), captured, and stored...
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| Energy conversion |
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Energy transformation or energy conversion is the process of changing one form of energy to another. In physics, the term energy describes the capacity to produce certain changes within a system, without regard to limitations in transformation...
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| Energy charge |
Energy charge is an index used to measure the energy status of biological cells. It is related to ATP and ADP concentrations and its value effects rates of metabolism.
From Stryer:
"Many reactions in metabolism are controlled by the energy status of...
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| Energy policy |
Energy policy is the manner in which a given entity (often governmental) has decided to address issues of energy development including energy production, distribution and consumption. The attributes of energy policy may include legislation,...
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| Energy transfer |
Energy transfer is the transfer of energy from one object or material to another.
There are a few main ways that energy transfer occurs:
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| Energy management system |
An energy management system (EMS) is a system of computer-aided tools used by operators of electric utility grids to monitor, control, and optimize the performance of the generation and/or transmission system. The monitor and control functions are...
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| Energy demand management |
Energy demand management, also known as demand side management (DSM), is the modification of consumer demand for energy through various methods such as financial incentives and education. Usually, the goal of demand side management is to encourage...
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| Energy density |
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Energy density is a term used for the amount of energy stored in a given system or region of space per unit volume. Often only the useful or extractable energy is quantified, which is to say that chemically inaccessible energy such as rest mass...
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| Energy level splitting |
Energy level splitting occurs in physics when the degenerate energy levels of two or more states are split because of external fields or other effects. The term is most commonly used in quantum theory in reference to the electron configuration in...
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| Energy Tax Act |
The Energy Tax Act (Pub.L. 95-618, 92 Stat. 3174, enacted November 9, 1978) is a law passed by the U.S. Congress as part of the National Energy Act. The objective of this law was shift from oil and gas supply toward energy conservation; thus, to...
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Legislation | ||
| Energy Information Administration |
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The U.S. Energy Information Administration (EIA) is the statistical and analytical agency within the U.S. Department of Energy. EIA collects, analyzes, and disseminates independent and impartial energy information to promote sound policymaking,...
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| Energy intensity |
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Energy intensity is a measure of the energy efficiency of a nation's economy. It is calculated as units of energy per unit of GDP.
Many factors influence an economy's overall energy intensity. It may reflect requirements for general standards of...
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| Energy Research Centre of the Netherlands |
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The Energy research Centre of the Netherlands (ECN) is one of the largest energy research institute in Europe and holds a strong international position. With and for the market, ECN develops knowledge and technology that enable a transition to a...
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| Energy dome |
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Energy dome refers to the red terraced headgear first worn by Devo during their Freedom of Choice years. Other incorrect names include "power dome" and "flowerpot" (often used in a derogatory sense). Energy Domes have been a regular part of Devo's...
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| Energy-Quest |
Energy-Quest (formerly The Hydrogen Expedition) was an organization that sought to educate the public about the risks of an impending energy crisis due to the current worldwide dependence on fossil fuels and the benefits of energy conservation and...
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Organization | ||
| Energy-plus-house |
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An energy-plus-house produces more energy from renewable energy sources, over the course of a year, than it imports from external sources. This is achieved using a combination of microgeneration technology and low-energy building techniques, such as...
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| Energy ball |
Energy balls are fictional bolts of concentrated electricity that form a kinetic sphere in the WB series Charmed. Energy balls can kill, stun, or irritate the target depending on what the user wishes to do to the target. Most beings can be destroyed...
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| Energy eigenstates |
The energy eigenstates of a quantum system are the set of eigenvectors of the Hamiltonian operator corresponding to that system. This is equivalent to saying that the energy eigenstates are the solutions to the time-independent Schrödinger equation...
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| Energy Liger |
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The Energy Liger is a Lion-type Zoid, one of over 200 species of biomechanical lifeforms depicted by TOMY's Zoids model, toy, and media franchise.
Based on the Liger Zero, the Energy Liger was first released in 2003, and the Zoid plays a significant...
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| Energy and Environmental Research Center |
The Energy and Environmental Research Center (EERC) in Grand Forks, North Dakota EERC is a research, development, demonstration, and commercialization facility recognized as one of the world’s leading developers of cleaner, more efficient energy...
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| Energy Policy Act of 2005 |
The Energy Policy Act of 2005 (Pub.L. 109-58) is a bill passed by the United States Congress on July 29, 2005, and signed into law by President George W. Bush on August 8, 2005, at Sandia National Laboratories in Albuquerque, New Mexico. The act,...
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Legislation | ||
| Energy Policy Act of 2005 Vote |
The Energy Policy Act of 2005 was voted on and passed twice by the Senate, once prior to conference committee, and once after. In both cases, there were numerous senators who voted against the bill. Below is a list of only those states that did not...
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Legislation | ||
| Energy condition |
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In relativistic classical field theories of gravitation, particularly general relativity, an energy condition is one of various alternative conditions which can be applied to the matter content of the theory, when it is either not possible or...
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| EnergyAustralia |
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EnergyAustralia is a large Australian electricity and natural gas supplier and retailer. A subsidiary of TRUenergy, it primarily supplies the Sydney, Newcastle and Central Coast areas of New South Wales and has, since market deregulation, increased...
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| Energy inner product |
The energy inner product of two functions a(w,u), is, in simple cases, the inner product of the spatial derivative of w and u and, as such, is a bilinear form.
In the simple one-dimensional case with a domain of (a, b),
See also Lp space.
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| Energy–momentum relation | Energy-momentum relation |
In special relativity, the energy-momentum relation is a relation between the energy, momentum and the mass of a body:
where c is the speed of light, is total energy, is invariant mass, and is momentum.
For a body in its rest frame, the momentum...
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| Energy-momentum tensor |
The energy-momentum tensor (general relativity) is a tensor quantity that describes the matter-energy content of spacetime in Einstein's theory of general relativity, this theory of gravitation describing the matter-energy as curving the spacetime...
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| Energy Hog |
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Energy Hog is an energy efficiency campaign developed by the Ad Council and run by the Alliance to Save Energy that engages children and raises awareness of the benefits of energy efficiency.
The villain of the commercials is an evil pig named Boss...
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| Energy harvesting devices |
Energy harvesting devices generate electricity from their surroundings.
The history of energy harvesting dates back to the windmill and the waterwheel. People have searched for ways to store the energy from heat and vibrations for many decades....
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