111 relations: Advanced Gas-cooled Reactor, Aircraft carrier, Alternating current, Ampere, Audio signal, Avedøre Power Station, Ørsted (company), British Rail Class 373, British Science Association, California, Carl Wilhelm Siemens, Centimetre–gram–second system of units, Chirped pulse amplification, Cogeneration, Conversion of units, Cruiser, DBm, Decibel, Diesel–electric transmission, Dimensional analysis, Doel Nuclear Power Station, Effective radiated power, Electric locomotive, Electric power, Electrical network, Electrical reactance, Electrical resistance and conductance, Electrocardiography, Electroencephalography, Electromagnetic radiation, Electromagnetism, Embalse Nuclear Power Station, Encyclopedia of Earth, Energy, Energy transformation, Engine, Erg, France, General Conference on Weights and Measures, Hearing aid, Horsepower, HVDC converter, Institution of Engineering and Technology, International Bureau of Weights and Measures, International System of Units, James Watt, Joule, Kibble balance, Kilogram, Kilowatt hour, ..., Laser, Laser pointer, Lightning, Livermore, California, Locomotive, Medical device, Metre, Metre per second, Metric prefix, Microsecond, Nanosecond, Newton (unit), Nominal power (photovoltaic), Nova (laser), Nuclear power plant, Nuclear reactor, Nuclear Regulatory Commission, Ohm, Ohm's law, Orders of magnitude (power), Osaka University, Oxford English Dictionary, Pacific Grove, California, Particle accelerator, PDF, Picosecond, Power (physics), Power factor, Power station, Quantification (science), Radar, Radio, Radio astronomy, Radio station, Resistor, Science (journal), Second, Server farm, SI base unit, SI derived unit, Solar cell, Solar constant, Solar irradiance, Sound power, Submarine, Sunlight, Switzerland, Three Gorges Dam, Transmitter, United States, University of North Carolina at Chapel Hill, Velocity, Volt, Volt-ampere, Voltage, Warship, Watt second, Wattmeter, Webster's Dictionary, Work (electrical), Work (physics). Expand index (61 more) » « Shrink index
The Advanced Gas-cooled Reactor (AGR) is a type of nuclear reactor designed and operated in the United Kingdom.
An aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft.
Alternating current (AC) is an electric current which periodically reverses direction, in contrast to direct current (DC) which flows only in one direction.
The ampere (symbol: A), often shortened to "amp",SI supports only the use of symbols and deprecates the use of abbreviations for units.
An audio signal is a representation of sound, typically as an electrical voltage for analog signals and a binary number for digital signals.
The Avedøre Power Station (Avedøreværket) is a combined heat and power station, located in Avedøre, Denmark, just south of Copenhagen, and is owned by Ørsted A/S.
Ørsted A/S (formerly DONG Energy) is a power company based in Fredericia, Denmark.
The British Rail Class 373 or TGV TMST train is a French designed and built electric multiple unit that operate Eurostar high speed rail services from London to France and Belgium via the Channel Tunnel, part of the TGV family, it has a smaller cross-section to fit the smaller loading gauge in Britain, was originally able to operate on the UK third rail network and it has extensive fireproofing in case of fire in the tunnel.
The British Science Association (BSA) is a charity and learned society founded in 1831 to aid in the promotion and development of science.
California is a state in the Pacific Region of the United States.
Sir Charles William Siemens FRSA (originally Carl Wilhelm Siemens; 4 April 1823 – 19 November 1883) was a German-born engineer and entrepreneur who for most of his life worked in Britain and later became a British subject.
The centimetre–gram–second system of units (abbreviated CGS or cgs) is a variant of the metric system based on the centimetre as the unit of length, the gram as the unit of mass, and the second as the unit of time.
Chirped pulse amplification (CPA) is a technique for amplifying an ultrashort laser pulse up to the petawatt level with the laser pulse being stretched out temporally and spectrally prior to amplification.
Cogeneration or combined heat and power (CHP) is the use of a heat engine or power station to generate electricity and useful heat at the same time.
Conversion of units is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors.
A cruiser is a type of warship.
dBm (sometimes dBmW or decibel-milliwatts) is unit of level used to indicate that a power ratio is expressed in decibels (dB) with reference to one milliwatt (mW).
The decibel (symbol: dB) is a unit of measurement used to express the ratio of one value of a physical property to another on a logarithmic scale.
A diesel–electric transmission, or diesel–electric powertrain, is used by a number of vehicle and ship types for providing locomotion.
In engineering and science, dimensional analysis is the analysis of the relationships between different physical quantities by identifying their base quantities (such as length, mass, time, and electric charge) and units of measure (such as miles vs. kilometers, or pounds vs. kilograms) and tracking these dimensions as calculations or comparisons are performed.
The Doel Nuclear Power Station is one of two nuclear power plants in Belgium.
Effective radiated power (ERP), synonymous with equivalent radiated power, is an IEEE standardized definition of directional radio frequency (RF) power, such as that emitted by a radio transmitter.
An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or on-board energy storage such as a battery or a supercapacitor.
Electric power is the rate, per unit time, at which electrical energy is transferred by an electric circuit.
An electrical network is an interconnection of electrical components (e.g. batteries, resistors, inductors, capacitors, switches) or a model of such an interconnection, consisting of electrical elements (e.g. voltage sources, current sources, resistances, inductances, capacitances).
In electrical and electronic systems, reactance is the opposition of a circuit element to a change in current or voltage, due to that element's inductance or capacitance.
The electrical resistance of an electrical conductor is a measure of the difficulty to pass an electric current through that conductor.
Electrocardiography (ECG or EKG) is the process of recording the electrical activity of the heart over a period of time using electrodes placed on the skin.
Electroencephalography (EEG) is an electrophysiological monitoring method to record electrical activity of the brain.
In physics, electromagnetic radiation (EM radiation or EMR) refers to the waves (or their quanta, photons) of the electromagnetic field, propagating (radiating) through space-time, carrying electromagnetic radiant energy.
Electromagnetism is a branch of physics involving the study of the electromagnetic force, a type of physical interaction that occurs between electrically charged particles.
The Embalse Nuclear Power Station (Central Nuclear Embalse) is one of three operational nuclear power plants in Argentina.
The Encyclopedia of Earth (abbreviated EoE) is an electronic reference about the Earth, its natural environments, and their interaction with society.
In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.
Energy transformation, also termed as energy conversion, is the process of changing energy from one of its forms into another.
An engine or motor is a machine designed to convert one form of energy into mechanical energy.
The erg is a unit of energy and work equal to 10−7 joules.
France, officially the French Republic (République française), is a sovereign state whose territory consists of metropolitan France in Western Europe, as well as several overseas regions and territories.
The General Conference on Weights and Measures (Conférence générale des poids et mesures – CGPM) is the supreme authority of the International Bureau of Weights and Measures (Bureau international des poids et mesures – BIPM), the inter-governmental organization established in 1875 under the terms of the Metre Convention (Convention du Mètre) through which Member States act together on matters related to measurement science and measurement standards.
A hearing aid is a device designed to improve hearing by making sound audible to a person with hearing loss.
Horsepower (hp) is a unit of measurement of power (the rate at which work is done).
An HVDC converter converts electric power from high voltage alternating current (AC) to high-voltage direct current (HVDC), or vice versa.
The Institution of Engineering and Technology (IET) is a multidisciplinary professional engineering institution.
The International Bureau of Weights and Measures (Bureau international des poids et mesures) is an intergovernmental organization established by the Metre Convention, through which Member States act together on matters related to measurement science and measurement standards.
The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system, and is the most widely used system of measurement.
James Watt (30 January 1736 (19 January 1736 OS) – 25 August 1819) was a Scottish inventor, mechanical engineer, and chemist who improved on Thomas Newcomen's 1712 Newcomen steam engine with his Watt steam engine in 1781, which was fundamental to the changes brought by the Industrial Revolution in both his native Great Britain and the rest of the world.
The joule (symbol: J) is a derived unit of energy in the International System of Units.
A Kibble balance (previously watt balance) is an electromechanical weight measuring instrument that measures the weight of a test object very precisely by the strength of an electric current and a voltage.
The kilogram or kilogramme (symbol: kg) is the base unit of mass in the International System of Units (SI), and is defined as being equal to the mass of the International Prototype of the Kilogram (IPK, also known as "Le Grand K" or "Big K"), a cylinder of platinum-iridium alloy stored by the International Bureau of Weights and Measures at Saint-Cloud, France.
The kilowatt hour (symbol kWh, kW⋅h or kW h) is a unit of energy equal to 3.6 megajoules.
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.
A laser pointer or laser pen is a small handheld device with a power source (usually a battery) and a laser diode emitting a very narrow coherent low-powered laser beam of visible light, intended to be used to highlight something of interest by illuminating it with a small bright spot of colored light.
Lightning is a sudden electrostatic discharge that occurs typically during a thunderstorm.
Livermore (formerly Livermores, Livermore Ranch, and Nottingham) is a city in Alameda County, California, in the United States.
A locomotive or engine is a rail transport vehicle that provides the motive power for a train.
A medical device is any apparatus, appliance, software, material, or other article—whether used alone or in combination, including the software intended by its manufacturer to be used specifically for diagnostic and/or therapeutic purposes and necessary for its proper application—intended by the manufacturer to be used for human beings for the purpose of.
The metre (British spelling and BIPM spelling) or meter (American spelling) (from the French unit mètre, from the Greek noun μέτρον, "measure") is the base unit of length in some metric systems, including the International System of Units (SI).
Metre per second (American English: meter per second) is an SI derived unit of both speed (scalar) and velocity (vector quantity which specifies both magnitude and a specific direction), defined by distance in metres divided by time in seconds.
A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or fraction of the unit.
A microsecond is an SI unit of time equal to one millionth (0.000001 or 10−6 or 1/1,000,000) of a second.
A nanosecond (ns) is an SI unit of time equal to one thousand-millionth of a second (or one billionth of a second), that is, 1/1,000,000,000 of a second, or 10 seconds.
The newton (symbol: N) is the International System of Units (SI) derived unit of force.
The nominal power is the nameplate capacity of photovoltaic (PV) devices, such as solar cells, panels and systems, and is determined by measuring the electric current and voltage in a circuit, while varying the resistance under precisely defined conditions.
Nova was a high-power laser built at the Lawrence Livermore National Laboratory (LLNL) in 1984 which conducted advanced inertial confinement fusion (ICF) experiments until its dismantling in 1999.
A nuclear power plant or nuclear power station is a thermal power station in which the heat source is a nuclear reactor.
A nuclear reactor, formerly known as an atomic pile, is a device used to initiate and control a self-sustained nuclear chain reaction.
The Nuclear Regulatory Commission (NRC) is an independent agency of the United States government tasked with protecting public health and safety related to nuclear energy.
The ohm (symbol: Ω) is the SI derived unit of electrical resistance, named after German physicist Georg Simon Ohm.
Ohm's law states that the current through a conductor between two points is directly proportional to the voltage across the two points.
This page lists examples of the power in watts produced by various sources of energy.
, or, is a national university located in Osaka, Japan.
The Oxford English Dictionary (OED) is the main historical dictionary of the English language, published by the Oxford University Press.
Pacific Grove is a coastal city in Monterey County, California in the United States.
A particle accelerator is a machine that uses electromagnetic fields to propel charged particles to nearly light speed and to contain them in well-defined beams.
The Portable Document Format (PDF) is a file format developed in the 1990s to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.
A picosecond is an SI unit of time equal to 10−12 or 1/1,000,000,000,000 (one trillionth) of a second.
In physics, power is the rate of doing work, the amount of energy transferred per unit time.
In electrical engineering, the power factor of an AC electrical power system is defined as the ratio of the real power flowing to the load to the apparent power in the circuit, and is a dimensionless number in the closed interval of −1 to 1.
A power station, also referred to as a power plant or powerhouse and sometimes generating station or generating plant, is an industrial facility for the generation of electric power.
In mathematics and empirical science, quantification (or quantitation) is the act of counting and measuring that maps human sense observations and experiences into quantities.
Radar is an object-detection system that uses radio waves to determine the range, angle, or velocity of objects.
Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width.
Radio astronomy is a subfield of astronomy that studies celestial objects at radio frequencies.
A radio station is a set of equipment necessary to carry on communication via radio waves.
A resistor is a passive two-terminal electrical component that implements electrical resistance as a circuit element.
Science, also widely referred to as Science Magazine, is the peer-reviewed academic journal of the American Association for the Advancement of Science (AAAS) and one of the world's top academic journals.
The second is the SI base unit of time, commonly understood and historically defined as 1/86,400 of a day – this factor derived from the division of the day first into 24 hours, then to 60 minutes and finally to 60 seconds each.
A server farm or server cluster is a collection of computer servers – usually maintained by an organization to supply server functionality far beyond the capability of a single machine.
The International System of Units (SI) defines seven units of measure as a basic set from which all other SI units can be derived.
SI derived units are units of measurement derived from the seven base units specified by the International System of Units (SI).
A solar cell, or photovoltaic cell, is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect, which is a physical and chemical phenomenon.
The solar constant is a flux density measuring mean solar electromagnetic radiation (solar irradiance) per unit area.
Solar irradiance is the power per unit area received from the Sun in the form of electromagnetic radiation in the wavelength range of the measuring instrument.
Sound power or acoustic power is the rate at which sound energy is emitted, reflected, transmitted or received, per unit time.
A submarine (or simply sub) is a watercraft capable of independent operation underwater.
Sunlight is a portion of the electromagnetic radiation given off by the Sun, in particular infrared, visible, and ultraviolet light.
Switzerland, officially the Swiss Confederation, is a sovereign state in Europe.
The Three Gorges Dam is a hydroelectric gravity dam that spans the Yangtze River by the town of Sandouping, in Yiling District, Yichang, Hubei province, China.
In electronics and telecommunications, a transmitter or radio transmitter is an electronic device which produces radio waves with an antenna.
The United States of America (USA), commonly known as the United States (U.S.) or America, is a federal republic composed of 50 states, a federal district, five major self-governing territories, and various possessions.
The University of North Carolina at Chapel Hill, also known as UNC, UNC Chapel Hill, the University of North Carolina, or simply Carolina, is a public research university located in Chapel Hill, North Carolina, United States.
The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time.
The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.
A volt-ampere (VA) is the unit used for the apparent power in an electrical circuit, equal to the product of root-mean-square (RMS) voltage and RMS current.
Voltage, electric potential difference, electric pressure or electric tension (formally denoted or, but more often simply as V or U, for instance in the context of Ohm's or Kirchhoff's circuit laws) is the difference in electric potential between two points.
A warship is a naval ship that is built and primarily intended for naval warfare.
A watt second (also watt-second, symbol W s or W·s) is a derived unit of energy equivalent to the joule.
The wattmeter is an instrument for measuring the electric power (or the supply rate of electrical energy) in watts of any given circuit.
Webster's Dictionary is any of the dictionaries edited by Noah Webster in the early nineteenth century, and numerous related or unrelated dictionaries that have adopted the Webster's name.
Electrical work is the work done on a charged particle by an electric field.
In physics, a force is said to do work if, when acting, there is a displacement of the point of application in the direction of the force.
Attowatt, Deciwatt, Exawatt, Femtowatt, GWe, GWth, GigaWatt, Gigawatt, Gigawatt electrical, Gigawatt thermal, Gigawatts, J/s, Jigawatts, Joule per second, Joule/second, K W, K.W., KW, KWe, KWt, Kilawatt, Killawatt, Killowatt, KiloWatt, KiloWatts, Kilowatt, Kilowatts, Kw., LFEX, Light watt, MWT, MWTh, MWe, MWt, MWth, MegaWatt, MegaWatts, Megawatt, Megawatt (MW), Megawatt thermal, Megawatts, Microwatt, Milliwatt, Milliwatts, Nanowatt, P=IV, Petawatt, Picowatt, TeraWatt, Terawatt, Terawatts, Thermal megawatt, Watt (unit), Watt electrical, Watt energy, Watt unit, Yoctowatt, Yottawatt, Zeptowatt, Zettawatt, ΜW, ㎺, ㎻, ㎼, ㎽, ㎾, ㎿.