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In the philosophy of science, protoscience is a research field that has the characteristics of an undeveloped science that may ultimately develop into an established science. Philosophers use protoscience to understand the history of science and distinguish protoscience from science and pseudoscience. The word "proto... | Wikipedia/Protoscience |
A non-science is an area of study that is not scientific, especially one that is not a natural science or a social science that is an object of scientific inquiry. In this model, history, art, and religion are all examples of non-sciences.
== Classifying knowledge ==
Since the 17th century, some writers have used t... | Wikipedia/Non-science |
The right to science and culture is one of the economic, social and cultural rights claimed in the Universal Declaration of Human Rights and related documents of international human rights law. It recognizes that everyone has a right to freely participate in culture, to freely share in (to participate and to benefit fr... | Wikipedia/Right_to_science_and_culture |
Science & Vie (French pronunciation: [sjɑ̃seˈvi]; Science and Life) is a monthly science magazine published in France. Its headquarters is in Paris.
== History and profile ==
The magazine was started in 1913 with the name La Science et la Vie. In 1982, a spinoff computer magazine, Science et Vie micro (SVM) was launc... | Wikipedia/Science_&_Vie |
Rhetoric of science is a body of scholarly literature exploring the notion that the practice of science is a rhetorical activity. It emerged after a number of similarly oriented topics of research and discussion during the late 20th century, including the sociology of scientific knowledge, history of science, and philo... | Wikipedia/Rhetoric_of_science |
Science communication encompasses a wide range of activities that connect science and society. Common goals of science communication include informing non-experts about scientific findings, raising the public awareness of and interest in science, influencing people's attitudes and behaviors, informing public policy, an... | Wikipedia/Science_communication |
This timeline describes the major developments, both experimental and theoretical understanding of fluid mechanics and continuum mechanics. This timeline includes developments in:
Theoretical models of hydrostatics, hydrodynamics and aerodynamics.
Hydraulics
Elasticity
Mechanical waves and acoustics
Valves and fluidic... | Wikipedia/Timeline_of_fluid_and_continuum_mechanics |
Dynamism is a general name for a group of philosophical views concerning the nature of matter. However different they may be in other respects, all these views agree in making matter consist essentially of simple and indivisible units, substances, or forces. Dynamism is sometimes used to denote systems that admit not o... | Wikipedia/Dynamism_(metaphysics) |
The following is a timeline of gravitational physics and general relativity.
== Before 1500 ==
3rd century B.C. – Aristarchus of Samos proposes the heliocentric model.
== 1500s ==
1543 – Nicolaus Copernicus publishes On the Revolutions of Heavenly Spheres.
1583 – Galileo Galilei deduces the period relationship of a... | Wikipedia/Timeline_of_gravitational_physics_and_relativity |
A timeline of events in the history of thermodynamics.
== Before 1800 ==
1593 – Galileo Galilei invents one of the first thermoscopes, also known as Galileo thermometer
1650 – Otto von Guericke builds the first vacuum pump
1660 – Robert Boyle experimentally discovers Boyle's law, relating the pressure and volume of a... | Wikipedia/Timeline_of_thermodynamics |
Universal science (German: Universalwissenschaft; Latin: scientia generalis, scientia universalis) is a branch of metaphysics, dedicated to the study of the underlying principles of all science. Instead of viewing knowledge as being separated into branches, Universalists view all knowledge as being part of a single cat... | Wikipedia/Universal_science |
The Discourse on Metaphysics (French: Discours de métaphysique, 1686) is a short treatise by Gottfried Wilhelm Leibniz in which he develops a philosophy concerning physical substance, motion and resistance of bodies, and God's role within the universe. It is one of the few texts presenting in a consistent form the earl... | Wikipedia/Discourse_on_Metaphysics |
A golden age of physics appears to have been delineated for certain periods of progress in the physics sciences, and this includes the previous and current developments of cosmology and astronomy. Each "golden age" introduces significant advancements in theoretical and experimental methods. Discernible time periods mar... | Wikipedia/Golden_age_of_physics |
Major innovations in materials technology
== BC ==
28,000 BC – People wear beads, bracelets, and pendants
14,500 BC – First pottery, made by the Jōmon people of Japan.
6th millennium BC – Copper metallurgy is invented and copper is used for ornamentation (see Pločnik article)
2nd millennium BC – Bronze is used for we... | Wikipedia/Timeline_of_materials_technology |
This article lists the main historical events in the history of condensed matter physics. This branch of physics focuses on understanding and studying the physical properties and transitions between phases of matter. Condensed matter refers to materials where particles (atoms, molecules, or ions) are closely packed tog... | Wikipedia/Timeline_of_condensed_matter_physics |
A timeline of atomic and subatomic physics, including particle physics.
== Antiquity ==
6th - 2nd Century BCE Kanada (philosopher) proposes that anu is an indestructible particle of matter, an "atom"; anu is an abstraction and not observable.
430 BCE Democritus speculates about fundamental indivisible particles—cal... | Wikipedia/Timeline_of_atomic_and_subatomic_physics |
This article discusses women who have made an important contribution to the field of physics.
== International physics awards ==
=== Nobel laureates ===
Five women have won the Nobel Prize in Physics, awarded annually since 1901 by the Royal Swedish Academy of Sciences. These are:
1903 Marie Curie: "in recogniti... | Wikipedia/Women_in_physics |
The following timeline starts with the invention of the modern computer in the late interwar period.
== 1930s ==
John Vincent Atanasoff and Clifford Berry create the first electronic non-programmable, digital computing device, the Atanasoff–Berry Computer, that lasted from 1937 to 1942.
== 1940s ==
Nuclear bomb an... | Wikipedia/Timeline_of_computational_physics |
Single-layer graphene was first unambiguously produced and identified in 2004, by the group of Andre Geim and Konstantin Novoselov, though they credit Hanns-Peter Boehm and his co-workers for the experimental discovery of graphene in 1962; while it had been explored theoretically by P. R. Wallace in 1947. Boehm et al. ... | Wikipedia/Discovery_of_graphene |
In mathematics, the inverse function of a function f (also called the inverse of f) is a function that undoes the operation of f. The inverse of f exists if and only if f is bijective, and if it exists, is denoted by
f
−
1
... | Wikipedia/Inverse_functions |
In the mathematical field of differential geometry, the Riemann curvature tensor or Riemann–Christoffel tensor (after Bernhard Riemann and Elwin Bruno Christoffel) is the most common way used to express the curvature of Riemannian manifolds. It assigns a tensor to each point of a Riemannian manifold (i.e., it is a ten... | Wikipedia/Riemann_tensor |
In differential geometry, the second fundamental form (or shape tensor) is a quadratic form on the tangent plane of a smooth surface in the three-dimensional Euclidean space, usually denoted by
I
I
{\displaystyle \mathrm {I\!I} }
(read... | Wikipedia/Shape_tensor |
Lagrangian field theory is a formalism in classical field theory. It is the field-theoretic analogue of Lagrangian mechanics. Lagrangian mechanics is used to analyze the motion of a system of discrete particles each with a finite number of degrees of freedom. Lagrangian field theory applies to continua and fields, whic... | Wikipedia/Lagrangian_(field_theory) |
Self-organization, also called spontaneous order in the social sciences, is a process where some form of overall order arises from local interactions between parts of an initially disordered system. The process can be spontaneous when sufficient energy is available, not needing control by any external agent. It is ofte... | Wikipedia/Self-organizing_systems |
Energy policies are the government's strategies and decisions regarding the production, distribution, and consumption of energy within a specific jurisdiction. Energy is essential for the functioning of modern economies because they require energy for many sectors, such as industry, transport, agriculture, housing. The... | Wikipedia/Energy_policy |
The laws of thermodynamics are a set of scientific laws which define a group of physical quantities, such as temperature, energy, and entropy, that characterize thermodynamic systems in thermodynamic equilibrium. The laws also use various parameters for thermodynamic processes, such as thermodynamic work and heat, and ... | Wikipedia/Laws_of_thermodynamics |
In mathematics, especially vector calculus and differential topology, a closed form is a differential form α whose exterior derivative is zero (dα = 0); and an exact form is a differential form, α, that is the exterior derivative of another differential form β, i.e. α = dβ. Thus, an exact form is in the image of d, an... | Wikipedia/Closed_differential_form |
Energy transformation, also known as energy conversion, is the process of changing energy from one form to another. In physics, energy is a quantity that provides the capacity to perform work (e.g. lifting an object) or provides heat. In addition to being converted, according to the law of conservation of energy, energ... | Wikipedia/Energy_transformation |
Bioenergy is a type of renewable energy that is derived from plants and animal waste. The biomass that is used as input materials consists of recently living (but now dead) organisms, mainly plants. Thus, fossil fuels are not regarded as biomass under this definition. Types of biomass commonly used for bioenergy includ... | Wikipedia/Bioenergy |
Gravitational energy or gravitational potential energy is the potential energy an object with mass has due to the gravitational potential of its position in a gravitational field. Mathematically, it is the minimum mechanical work that has to be done against the gravitational force to bring a mass from a chosen referenc... | Wikipedia/Gravitational_potential_energy |
Solar thermal energy (STE) is a form of energy and a technology for harnessing solar energy to generate thermal energy for use in industry, and in the residential and commercial sectors. Solar thermal collectors are classified by the United States Energy Information Administration as low-, medium-, or high-temperature ... | Wikipedia/Solar_thermal_energy |
In physics, potential energy is the energy of an object or system due to the body's position relative to other objects, or the configuration of its particles. The energy is equal to the work done against any restoring forces, such as gravity or those in a spring.
The term potential energy was introduced by the 19th-cen... | Wikipedia/Magnetic_potential_energy |
Energy democracy is a concept developed within the environmental justice movement that pairs the renewable energy transition with efforts to democratize the production and management of energy resources— including the social ownership of energy infrastructure, decentralization of energy systems, and expansion of public... | Wikipedia/Energy_democracy |
Nuclear binding energy in experimental physics is the minimum energy that is required to disassemble the nucleus of an atom into its constituent protons and neutrons, known collectively as nucleons. The binding energy for stable nuclei is always a positive number, as the nucleus must gain energy for the nucleons to mov... | Wikipedia/Nuclear_binding_energy |
The potential magnetic energy of a magnet or magnetic moment
m
{\displaystyle \mathbf {m} }
in a magnetic field
B
{\displaystyle \mathbf {B} }
is defined as the mechanical work of the magnetic... | Wikipedia/Magnetic_energy |
Elastic energy is the mechanical potential energy stored in the configuration of a material or physical system as it is subjected to elastic deformation by work performed upon it. Elastic energy occurs when objects are impermanently compressed, stretched or generally deformed in any manner. Elasticity theory primarily... | Wikipedia/Elastic_potential_energy |
In physics, a force field is a vector field corresponding with a non-contact force acting on a particle at various positions in space. Specifically, a force field is a vector field
F
{\displaystyle \mathbf {F} }
, where
F
... | Wikipedia/Force_field_(physics) |
Energy engineering is a multidisciplinary field of engineering that focuses on optimizing energy systems, developing renewable energy technologies, and improving energy efficiency to meet the world's growing demand for energy in a sustainable manner. It encompasses areas such as energy harvesting and storage, energy co... | Wikipedia/Energy_engineering |
The energy efficiency in transport is the useful travelled distance, of passengers, goods or any type of load; divided by the total energy put into the transport propulsion means. The energy input might be rendered in several different types depending on the type of propulsion, and normally such energy is presented in ... | Wikipedia/Energy_efficiency_in_transport |
Energy security is the association between national security and the availability of natural resources for energy consumption (as opposed to household energy insecurity). Access to cheaper energy has become essential to the functioning of modern economies. However, the uneven distribution of energy supplies among count... | Wikipedia/Energy_security |
Efficient energy use, or energy efficiency, is the process of reducing the amount of energy required to provide products and services. There are many technologies and methods available that are more energy efficient than conventional systems. For example, insulating a building allows it to use less heating and cooling ... | Wikipedia/Efficient_energy_use |
In physics, a force is an influence that can cause an object to change its velocity unless counterbalanced by other forces. In mechanics, force makes ideas like 'pushing' or 'pulling' mathematically precise. Because the magnitude and direction of a force are both important, force is a vector quantity. The SI unit of fo... | Wikipedia/Force_(physics) |
In physical cosmology, cosmic inflation, cosmological inflation, or just inflation, is a theory of exponential expansion of space in the very early universe. Following the inflationary period, the universe continued to expand, but at a slower rate. The re-acceleration of this slowing expansion due to dark energy began ... | Wikipedia/Inflation_theory |
In mathematics, especially vector calculus and differential topology, a closed form is a differential form α whose exterior derivative is zero (dα = 0); and an exact form is a differential form, α, that is the exterior derivative of another differential form β, i.e. α = dβ. Thus, an exact form is in the image of d, an... | Wikipedia/Exact_differential_form |
Marine energy, also known as ocean energy, ocean power, or marine and hydrokinetic energy, refers to energy harnessed from waves, tides, salinity gradients, and temperature differences in the ocean. The movement of water in the world's oceans stores vast amounts of kinetic energy, which can be converted into electricit... | Wikipedia/Marine_energy |
Electric potential energy is a potential energy (measured in joules) that results from conservative Coulomb forces and is associated with the configuration of a particular set of point charges within a defined system. An object may be said to have electric potential energy by virtue of either its own electric charge or... | Wikipedia/Electric_potential_energy |
An intermolecular force (IMF; also secondary force) is the force that mediates interaction between molecules, including the electromagnetic forces of attraction
or repulsion which act between atoms and other types of neighbouring particles (e.g. atoms or ions). Intermolecular forces are weak relative to intramolecular ... | Wikipedia/Intermolecular_forces |
In physics and chemistry, ionization energy (IE) is the minimum energy required to remove the most loosely bound electron of an isolated gaseous atom, positive ion, or molecule. The first ionization energy is quantitatively expressed as
X(g) + energy ⟶ X+(g) + e−
where X is any atom or molecule, X+ is the resultant io... | Wikipedia/Ionization_energy |
Concentrated solar power (CSP, also known as concentrating solar power, concentrated solar thermal) systems generate solar power by using mirrors or lenses to concentrate a large area of sunlight into a receiver. Electricity is generated when the concentrated light is converted to heat (solar thermal energy), which dr... | Wikipedia/Concentrated_solar_power |
Energy supply is the delivery of fuels or transformed fuels to point of consumption. It potentially encompasses the extraction, transmission, generation, distribution and storage of fuels. It is also sometimes called energy flow.
This supply of energy can be disrupted by several factors, including imposition of higher... | Wikipedia/Energy_supply |
In physics, a conservative force is a force with the property that the total work done by the force in moving a particle between two points is independent of the path taken. Equivalently, if a particle travels in a closed loop, the total work done (the sum of the force acting along the path multiplied by the displacem... | Wikipedia/Conservative_force |
Electrical energy is the energy transferred as electric charges move between points with different electric potential, that is, as they move across a potential difference. As electric potential is lost or gained, work is done changing the energy of some system. The amount of work in joules is given by the product of th... | Wikipedia/Electrical_energy |
Newton's law of universal gravitation describes gravity as a force by stating that every particle attracts every other particle in the universe with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between their centers of mass. Separated objects attra... | Wikipedia/Gravitational_force |
Energy is defined via work, so the SI unit of energy is the same as the unit of work – the joule (J), named in honour of James Prescott Joule and his experiments on the mechanical equivalent of heat. In slightly more fundamental terms, 1 joule is equal to 1 newton metre and, in terms of SI base units
... | Wikipedia/Units_of_energy |
Quantum chromodynamics binding energy (QCD binding energy), gluon binding energy or chromodynamic binding energy is the energy binding quarks together into hadrons. It is the energy of the field of the strong force, which is mediated by gluons. Motion-energy and interaction-energy contribute most of the hadron's mass.
... | Wikipedia/Quantum_chromodynamics_binding_energy |
Negative energy is a concept used in physics to explain the nature of certain fields, including the gravitational field and various quantum field effects.
== Gravitational energy ==
Gravitational energy, or gravitational potential energy, is the potential energy a massive object has because it is within a gravitatio... | Wikipedia/Negative_energy |
Energy development is the field of activities focused on obtaining sources of energy from natural resources. These activities include the production of renewable, nuclear, and fossil fuel derived sources of energy, and for the recovery and reuse of energy that would otherwise be wasted. Energy conservation and efficien... | Wikipedia/Energy_development |
An energy transition (or energy system transformation) is a major structural change to energy supply and consumption in an energy system. Currently, a transition to sustainable energy is underway to limit climate change. Most of the sustainable energy is renewable energy. Therefore, another term for energy transition i... | Wikipedia/Energy_transition |
A thermodynamic free entropy is an entropic thermodynamic potential analogous to the free energy. Also known as a Massieu, Planck, or Massieu–Planck potentials (or functions), or (rarely) free information. In statistical mechanics, free entropies frequently appear as the logarithm of a partition function. The Onsager r... | Wikipedia/Free_entropy |
Energy recycling is the energy recovery process of using energy that would normally be wasted, usually by converting it into electricity or thermal energy. Undertaken at manufacturing facilities, power plants, and large institutions such as hospitals and universities, it significantly increases efficiency, thereby red... | Wikipedia/Energy_recycling |
The second season of the American television series The Flash, which is based on the DC Comics character Barry Allen / Flash, sees Barry recognized as a hero in Central City after saving the city, only to face a new threat from a parallel universe in the form of the speedster Zoom, who seeks to eliminate everyone conne... | Wikipedia/Potential_Energy_(The_Flash) |
In physics, and in particular as measured by radiometry, radiant energy is the energy of electromagnetic and gravitational radiation. As energy, its SI unit is the joule (J). The quantity of radiant energy may be calculated by integrating radiant flux (or power) with respect to time. The symbol Qe is often used through... | Wikipedia/Electromagnetic_energy |
In continuum mechanics, stress is a physical quantity that describes forces present during deformation. For example, an object being pulled apart, such as a stretched elastic band, is subject to tensile stress and may undergo elongation. An object being pushed together, such as a crumpled sponge, is subject to compress... | Wikipedia/Stress_(physics) |
The internal energy of a thermodynamic system is the energy of the system as a state function, measured as the quantity of energy necessary to bring the system from its standard internal state to its present internal state of interest, accounting for the gains and losses of energy due to changes in its internal state, ... | Wikipedia/Internal_energy |
In physics, and in particular as measured by radiometry, radiant energy is the energy of electromagnetic and gravitational radiation. As energy, its SI unit is the joule (J). The quantity of radiant energy may be calculated by integrating radiant flux (or power) with respect to time. The symbol Qe is often used through... | Wikipedia/Radiant_energy |
An integrated gasification combined cycle (IGCC) is a technology using a high pressure gasifier to turn coal and other carbon based fuels into pressurized synthesis gas. This enables removal of impurities from the fuel prior to generating electricity, reducing emissions of sulfur dioxide, particulates, mercury, and in ... | Wikipedia/Integrated_gasification_combined_cycle |
Quantum thermodynamics is the study of the relations between two independent physical theories: thermodynamics and quantum mechanics. The two independent theories address the physical phenomena of light and matter.
In 1905, Albert Einstein argued that the requirement of consistency between thermodynamics and electromag... | Wikipedia/Quantum_thermodynamics |
Energy consumption is the amount of energy used.
== Biology ==
In the body, energy consumption is part of energy homeostasis. It derived from food energy. Energy consumption in the body is a product of the basal metabolic rate and the physical activity level. The physical activity level are defined for a non-pregnant... | Wikipedia/Energy_consumption |
Solar energy is the radiant energy from the Sun's light and heat, which can be harnessed using a range of technologies such as solar electricity, solar thermal energy (including solar water heating) and solar architecture. It is an essential source of renewable energy, and its technologies are broadly characterized as ... | Wikipedia/Solar_energy |
An energy system is a system primarily designed to supply energy-services to end-users.: 941 The intent behind energy systems is to minimise energy losses to a negligible level, as well as to ensure the efficient use of energy. The IPCC Fifth Assessment Report defines an energy system as "all components related to the... | Wikipedia/Energy_system |
In physics, sound energy is a form of energy that can be heard by living things. Only those waves that have a frequency of 16 Hz to 20 kHz are audible to humans. However, this range is an average and will slightly change from individual to individual. Sound waves that have frequencies below 16 Hz are called infrasonic ... | Wikipedia/Sound_energy |
Gravitational energy or gravitational potential energy is the potential energy an object with mass has due to the gravitational potential of its position in a gravitational field. Mathematically, it is the minimum mechanical work that has to be done against the gravitational force to bring a mass from a chosen referenc... | Wikipedia/Gravitational_energy |
In relativistic classical field theories of gravitation, particularly general relativity, an energy condition is a generalization of the statement "the energy density of a region of space cannot be negative" in a relativistically phrased mathematical formulation. There are multiple possible alternative ways to express ... | Wikipedia/Energy_condition |
The invariant mass, rest mass, intrinsic mass, proper mass, or in the case of bound systems simply mass, is the portion of the total mass of an object or system of objects that is independent of the overall motion of the system. More precisely, it is a characteristic of the system's total energy and momentum that is th... | Wikipedia/Rest_energy |
An energy carrier is a substance (fuel) or sometimes a phenomenon (energy system) that contains energy that can be later converted to other forms such as mechanical work or heat or to operate chemical or physical processes.
Such carriers include springs, electrical batteries, capacitors, pressurized air, dammed water, ... | Wikipedia/Energy_carrier |
In cosmology, phantom dark energy is a hypothetical form of dark energy. It possesses negative kinetic energy, and predicts expansion of the universe in excess of that predicted by a cosmological constant, which leads to a Big Rip. The idea of phantom dark energy is often dismissed, as it would suggest that the vacuum ... | Wikipedia/Phantom_energy |
World energy supply and consumption refers to the global supply of energy resources and its consumption. The system of global energy supply consists of the energy development, refinement, and trade of energy. Energy supplies may exist in various forms such as raw resources or more processed and refined forms of energy.... | Wikipedia/World_energy_supply_and_consumption |
Energy is sustainable if it "meets the needs of the present without compromising the ability of future generations to meet their own needs." Definitions of sustainable energy usually look at its effects on the environment, the economy, and society. These impacts range from greenhouse gas emissions and air pollution to ... | Wikipedia/Sustainable_energy |
The gravitational binding energy of a system is the minimum energy which must be added to it in order for the system to cease being in a gravitationally bound state. A gravitationally bound system has a lower (i.e., more negative) gravitational potential energy than the sum of the energies of its parts when these are c... | Wikipedia/Gravitational_binding_energy |
Coulomb's inverse-square law, or simply Coulomb's law, is an experimental law of physics that calculates the amount of force between two electrically charged particles at rest. This electric force is conventionally called the electrostatic force or Coulomb force. Although the law was known earlier, it was first publish... | Wikipedia/Coulomb_force |
Geothermal energy is thermal energy extracted from the ground (geology)|crust]]. It combines energy from the formation of the planet and from radioactive decay. Geothermal energy has been exploited as a source of heat and/or electric power for millennia.
Geothermal heating, using water from hot springs, for example, ha... | Wikipedia/Geothermal_energy |
Energy conservation is the effort to reduce wasteful energy consumption by using fewer energy services. This can be done by using energy more effectively (using less and better sources of energy for continuous service) or changing one's behavior to use less and better source of service (for example, by driving vehicles... | Wikipedia/Energy_conservation |
In thermodynamics, the thermodynamic free energy is one of the state functions of a thermodynamic system. The change in the free energy is the maximum amount of work that the system can perform in a process at constant temperature, and its sign indicates whether the process is thermodynamically favorable or forbidden. ... | Wikipedia/Thermodynamic_free_energy |
Waste-to-energy (WtE) or energy-from-waste (EfW) refers to a series of processes designed to convert waste materials into usable forms of energy, typically electricity or heat. As a form of energy recovery, WtE plays a crucial role in both waste management and sustainable energy production by reducing the volume of was... | Wikipedia/Waste-to-energy |
A waste-to-energy plant is a waste management facility that combusts wastes to produce electricity. This type of power plant is sometimes called a trash-to-energy, municipal waste incineration, energy recovery, or resource recovery plant.
Modern waste-to-energy plants are very different from the trash incinerators that... | Wikipedia/Waste-to-energy_plant |
In information theory and statistics, negentropy is used as a measure of distance to normality. The concept and phrase "negative entropy" was introduced by Erwin Schrödinger in his 1944 popular-science book What is Life? Later, French physicist Léon Brillouin shortened the phrase to néguentropie (negentropy). In 1974,... | Wikipedia/Negentropy |
In surface science, surface energy (also interfacial free energy or surface free energy) quantifies the disruption of intermolecular bonds that occurs when a surface is created. In solid-state physics, surfaces must be intrinsically less energetically favorable than the bulk of the material (that is, the atoms on the s... | Wikipedia/Surface_energy |
In physical sciences, mechanical energy is the sum of macroscopic potential and kinetic energies. The principle of conservation of mechanical energy states that if an isolated system is subject only to conservative forces, then the mechanical energy is constant. If an object moves in the opposite direction of a conser... | Wikipedia/Mechanical_energy |
Primary energy (PE) is the energy found in nature that has not been subjected to any human engineered conversion process. It encompasses energy contained in raw fuels and other forms of energy, including waste, received as input to a system. Primary energy can be non-renewable or renewable.
Total primary energy supply ... | Wikipedia/Primary_energy |
Energy storage is the capture of energy produced at one time for use at a later time to reduce imbalances between energy demand and energy production. A device that stores energy is generally called an accumulator or battery. Energy comes in multiple forms including radiation, chemical, gravitational potential, electri... | Wikipedia/Energy_storage |
Airborne wind energy (AWE) is the direct use or generation of wind energy by the use of aerodynamic or aerostatic lift devices. AWE technology is able to harvest high altitude winds, in contrast to wind turbines, which use a rotor mounted on a tower.
The term high-altitude wind power (HAWP) has been used to refer to AW... | Wikipedia/Airborne_wind_energy |
Power is the amount of energy transferred or converted per unit time. In the International System of Units, the unit of power is the watt, equal to one joule per second. Power is a scalar quantity.
Specifying power in particular systems may require attention to other quantities; for example, the power involved in movin... | Wikipedia/Power_(physics) |
In physics and chemistry, binding energy is the smallest amount of energy required to remove a particle from a system of particles or to disassemble a system of particles into individual parts. In the former meaning the term is predominantly used in condensed matter physics, atomic physics, and chemistry, whereas in nu... | Wikipedia/Binding_energy |
Chemical energy is the energy of chemical substances that is released when the substances undergo a chemical reaction and transform into other substances. Some examples of storage media of chemical energy include batteries, food, and gasoline (as well as oxygen gas, which is of high chemical energy due to its relativel... | Wikipedia/Chemical_energy |
In thermodynamics, the volume of a system is an important extensive parameter for describing its thermodynamic state. The specific volume, an intensive property, is the system's volume per unit mass. Volume is a function of state and is interdependent with other thermodynamic properties such as pressure and temperature... | Wikipedia/Volume_(thermodynamics) |
In physics, an entropic force acting in a system is an emergent phenomenon resulting from the entire system's statistical tendency to increase its entropy, rather than from a particular underlying force on the atomic scale.
== Mathematical formulation ==
In the canonical ensemble, the entropic force
... | Wikipedia/Entropic_force |
Elastic energy is the mechanical potential energy stored in the configuration of a material or physical system as it is subjected to elastic deformation by work performed upon it. Elastic energy occurs when objects are impermanently compressed, stretched or generally deformed in any manner. Elasticity theory primarily... | Wikipedia/Elastic_energy |
Energy efficiency in agriculture refers to reducing the amount of energy required to provide agricultural products and services. The European Commission has policies related to energy efficiency, including in agriculture. The European Union has established measures to promote energy efficiency, including setting target... | Wikipedia/Energy_efficiency_in_agriculture |
Energy recovery includes any technique or method of minimizing the input of energy to an overall system by the exchange of energy from one sub-system of the overall system with another. The energy can be in any form in either subsystem, but most energy recovery systems exchange thermal energy in either sensible or late... | Wikipedia/Energy_recovery |
Energy storage is the capture of energy produced at one time for use at a later time to reduce imbalances between energy demand and energy production. A device that stores energy is generally called an accumulator or battery. Energy comes in multiple forms including radiation, chemical, gravitational potential, electri... | Wikipedia/Gravitational_potential_energy_storage |
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