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153 relations: Activator (genetics), Albedo, Allosteric regulation, Alternating current, Amplifier, Andrey Korotayev, Asymptotic gain model, Audio feedback, Audio frequency, Audion, Autonomic computing, Autopilot, Ballcock, Behavioral economics, BIBO stability, Biopharmaceutical, Biosphere, Black box, Bode plot, Carburetor, Causal loop diagram, Causality, Centrifugal governor, Chaos theory, Clock signal, Conical pendulum, Contrarian investing, Control theory, Cornelis Drebbel, Cruise control, Cybernetics, Digital electronics, Direct current, Display device, Distortion, Economic equilibrium, Ecosystem, Edge of chaos, Electronic circuit, Electronic oscillator, Electronics, Elmer Ambrose Sperry, Engine control unit, Eric Zimmerman, Feed forward (control), Fermentation, Finite-state machine, Flip-flop (electronics), Flush toilet, François Jacob, ..., Frequency, Frequency compensation, Full state feedback, Gain (electronics), Gene, Gene regulatory network, George Soros, Harold Stephen Black, Harry Nyquist, Hendrik Wade Bode, Hormone, Hypothalamic–pituitary–adrenal axis, Hysteresis, IBM Db2, Ice–albedo feedback, Industrial Revolution, Insulin oscillation, Interaction, Investment, Jacques Monod, James Clerk Maxwell, James Watt, John McFarlane Gray, Joseph Farcot, Karl Ferdinand Braun, Knowledge, Lac repressor, Loop gain, Lotka–Volterra equations, Low-frequency oscillation, Low-key feedback, Market trend, Mathematical analysis, Metabolism, Microcontroller, Mirror neuron, MIT Press, Momentum investing, Multivibrator, Negative feedback, Negative-feedback amplifier, Nicolas Minorsky, Nyquist stability criterion, Operon, Organism, Oscillation, Otto Mayr, Paul Ormerod, Perverse incentive, PID controller, Pole splitting, Positive feedback, Power inverter, Protein, Psychology, Public address system, Qualitative property, Quantity, Quartz clock, Radio frequency, Recursion, Reflexivity (social theory), Regenerative circuit, Relaxation oscillator, Relief valve, Repressor, Resonance, Rock music, Sequential logic, Servomechanism, Signal chain, Sine wave, Sound recording and reproduction, Speedometer, Sperry Corporation, Square wave, SS Great Eastern, Stability criterion, State (computer science), State-space representation, Steam engine, Stock, Stock market, Stock market bubble, Strange loop, Supply and demand, Synthesizer, System, Television, Television transmitter, The Death of Economics, Tom Mead, Transmitter, Unintended consequences, User interface, Valence (psychology), Video, Video camera, Video feedback, Video game, W. Ross Ashby, Water clock, Windmill fantail. Expand index (103 more) »
Activator (genetics)
A transcriptional activator is a protein (transcription factor) that increases gene transcription of a gene or set of genes.
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Albedo
Albedo (albedo, meaning "whiteness") is the measure of the diffuse reflection of solar radiation out of the total solar radiation received by an astronomical body (e.g. a planet like Earth).
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Allosteric regulation
In biochemistry, allosteric regulation (or allosteric control) is the regulation of an enzyme by binding an effector molecule at a site other than the enzyme's active site.
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Alternating current
Alternating current (AC) is an electric current which periodically reverses direction, in contrast to direct current (DC) which flows only in one direction.
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Amplifier
An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the power of a signal (a time-varying voltage or current).
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Andrey Korotayev
Andrey Vitalievich Korotayev (Андре́й Вита́льевич Корота́ев; born 17 February 1961) is a Russian anthropologist, economic historian, comparative political scientist, demographer and sociologist, with major contributions to world-systems theory, cross-cultural studies, Near Eastern history, Big History, and mathematical modelling of social and economic macrodynamics.
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Asymptotic gain model
The asymptotic gain model (also known as the Rosenstark method) is a representation of the gain of negative feedback amplifiers given by the asymptotic gain relation: where T is the return ratio with the input source disabled (equal to the negative of the loop gain in the case of a single-loop system composed of unilateral blocks), G∞ is the asymptotic gain and G0 is the direct transmission term.
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Audio feedback
Audio feedback (also known as acoustic feedback, simply as feedback, or the Larsen effect) is a special kind of positive loop gain which occurs when a sound loop exists between an audio input (for example, a microphone or guitar pickup) and an audio output (for example, a power amplified loudspeaker).
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Audio frequency
An audio frequency (abbreviation: AF) or audible frequency is characterized as a periodic vibration whose frequency is audible to the average human.
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Audion
The Audion was an electronic detecting or amplifying vacuum tube invented by American electrical engineer Lee de Forest in 1906.
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Autonomic computing
Autonomic computing (also known as AC) refers to the self-managing characteristics of distributed computing resources, adapting to unpredictable changes while hiding intrinsic complexity to operators and users.
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Autopilot
An autopilot is a system used to control the trajectory of an aircraft without constant 'hands-on' control by a human operator being required.
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Ballcock
A ballcock (also balltap or float valve) is a mechanism or machine for filling water tanks, such as those found in flush toilets, while avoiding overflow and (in the event of low water pressure) backflow.
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Behavioral economics
Behavioral economics studies the effects of psychological, cognitive, emotional, cultural and social factors on the economic decisions of individuals and institutions and how those decisions vary from those implied by classical theory.
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BIBO stability
In signal processing, specifically control theory, bounded-input, bounded-output (BIBO) stability is a form of stability for linear signals and systems that take inputs.
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Biopharmaceutical
A biopharmaceutical, also known as a biologic(al) medical product, biological, or biologic, is any pharmaceutical drug product manufactured in, extracted from, or semisynthesized from biological sources.
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Biosphere
The biosphere (from Greek βίος bíos "life" and σφαῖρα sphaira "sphere") also known as the ecosphere (from Greek οἶκος oîkos "environment" and σφαῖρα), is the worldwide sum of all ecosystems.
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Black box
In science, computing, and engineering, a black box is a device, system or object which can be viewed in terms of its inputs and outputs (or transfer characteristics), without any knowledge of its internal workings.
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Bode plot
In electrical engineering and control theory, a Bode plot is a graph of the frequency response of a system.
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Carburetor
A carburetor (American English) or carburettor (British English; see spelling differences) is a device that mixes air and fuel for internal combustion engines in the proper ratio for combustion.
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Causal loop diagram
A causal loop diagram (CLD) is a causal diagram that aids in visualizing how different variables in a system are interrelated.
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Causality
Causality (also referred to as causation, or cause and effect) is what connects one process (the cause) with another process or state (the effect), where the first is partly responsible for the second, and the second is partly dependent on the first.
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Centrifugal governor
A centrifugal governor is a specific type of governor with a feedback system that controls the speed of an engine by regulating the amount of fuel (or working fluid) admitted, so as to maintain a near-constant speed, irrespective of the load or fuel-supply conditions.
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Chaos theory
Chaos theory is a branch of mathematics focusing on the behavior of dynamical systems that are highly sensitive to initial conditions.
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Clock signal
In electronics and especially synchronous digital circuits, a clock signal is a particular type of signal that oscillates between a high and a low state and is used like a metronome to coordinate actions of digital circuits.
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Conical pendulum
A conical pendulum consists of a weight (or bob) fixed on the end of a string or rod suspended from a pivot.
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Contrarian investing
Contrarian Investing is an investment strategy that is characterized by purchasing and selling in contrast to the prevailing sentiment of the time.
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Control theory
Control theory in control systems engineering deals with the control of continuously operating dynamical systems in engineered processes and machines.
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Cornelis Drebbel
Cornelis Jacobszoon Drebbel (1572 – 7 November 1633) was a Dutch engineer and inventor.
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Cruise control
Cruise control (sometimes known as speed control or autocruise, or tempomat in some countries) is a system that automatically controls the speed of a motor vehicle.
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Cybernetics
Cybernetics is a transdisciplinary approach for exploring regulatory systems—their structures, constraints, and possibilities.
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Digital electronics
Digital electronics or digital (electronic) circuits are electronics that operate on digital signals.
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Direct current
Direct current (DC) is the unidirectional flow of electric charge.
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Display device
A display device is an output device for presentation of information in visual or tactile form (the latter used for example in tactile electronic displays for blind people).
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Distortion
Distortion is the alteration of the original shape (or other characteristic) of something.
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Economic equilibrium
In economics, economic equilibrium is a state where economic forces such as supply and demand are balanced and in the absence of external influences the (equilibrium) values of economic variables will not change.
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Ecosystem
An ecosystem is a community made up of living organisms and nonliving components such as air, water, and mineral soil.
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Edge of chaos
The term edge of chaos is used to denote a transition space between order and disorder that is hypothesized to exist within a wide variety of systems.
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Electronic circuit
An electronic circuit is composed of individual electronic components, such as resistors, transistors, capacitors, inductors and diodes, connected by conductive wires or traces through which electric current can flow.
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Electronic oscillator
An electronic oscillator is an electronic circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave.
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Electronics
Electronics is the discipline dealing with the development and application of devices and systems involving the flow of electrons in a vacuum, in gaseous media, and in semiconductors.
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Elmer Ambrose Sperry
Elmer Ambrose Sperry, Sr. (October 12, 1860 – June 16, 1930) was an American inventor and entrepreneur, most famous as co-inventor, with Herman Anschütz-Kaempfe of the gyrocompass and as founder of the Sperry Gyroscope Company.
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Engine control unit
An engine control unit (ECU), also commonly called an engine control module (ECM), is a type of electronic control unit that controls a series of actuators on an internal combustion engine to ensure optimal engine performance.
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Eric Zimmerman
Eric Zimmerman (born 1969) is a game designer and the co-founder and CEO of Gamelab, a computer game development company based in Manhattan.
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Feed forward (control)
Feed-forward, sometimes written feedforward, is a term describing an element or pathway within a control system that passes a controlling signal from a source in its external environment, often a command signal from an external operator, to a load elsewhere in its external environment.
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Fermentation
Fermentation is a metabolic process that consumes sugar in the absence of oxygen.
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Finite-state machine
A finite-state machine (FSM) or finite-state automaton (FSA, plural: automata), finite automaton, or simply a state machine, is a mathematical model of computation.
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Flip-flop (electronics)
In electronics, a flip-flop or latch is a circuit that has two stable states and can be used to store state information.
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Flush toilet
A flush toilet (also known as a flushing toilet, flush lavatory, or water closet (WC)) is a toilet that disposes of human excreta (urine and feces) by using water to flush it through a drainpipe to another location for disposal, thus maintaining a separation between humans and their excreta.
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François Jacob
François Jacob (17 June 1920 – 19 April 2013) was a French biologist who, together with Jacques Monod, originated the idea that control of enzyme levels in all cells occurs through regulation of transcription.
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Frequency
Frequency is the number of occurrences of a repeating event per unit of time.
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Frequency compensation
In electrical engineering, frequency compensation is a technique used in amplifiers, and especially in amplifiers employing negative feedback.
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Full state feedback
Full state feedback (FSF), or pole placement, is a method employed in feedback control system theory to place the closed-loop poles of a plant in pre-determined locations in the s-plane.
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Gain (electronics)
In electronics, gain is a measure of the ability of a two-port circuit (often an amplifier) to increase the power or amplitude of a signal from the input to the output port by adding energy converted from some power supply to the signal.
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Gene
In biology, a gene is a sequence of DNA or RNA that codes for a molecule that has a function.
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Gene regulatory network
A gene (or genetic) regulatory network (GRN) is a collection of molecular regulators that interact with each other and with other substances in the cell to govern the gene expression levels of mRNA and proteins.
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George Soros
George Soros, Hon (Soros György,; born György Schwartz; August 12, 1930) is a Hungarian-American investor, business magnate, philanthropist, political activist and author.
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Harold Stephen Black
Harold Stephen Black (April 14, 1898 – December 11, 1983) was an American electrical engineer, who revolutionized the field of applied electronics by inventing the negative feedback amplifier in 1927.
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Harry Nyquist
Harry Nyquist (born Harry Theodor Nyqvist,; February 7, 1889 – April 4, 1976) was a Swedish-born American electronic engineer who made important contributions to communication theory.
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Hendrik Wade Bode
Hendrik Wade BodeVan Valkenburg, M. E. University of Illinois at Urbana-Champaign, "In memoriam: Hendrik W. Bode (1905-1982)", IEEE Transactions on Automatic Control, Vol.
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Hormone
A hormone (from the Greek participle “ὁρμῶ”, "to set in motion, urge on") is any member of a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour.
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Hypothalamic–pituitary–adrenal axis
The hypothalamic–pituitary–adrenal axis (HPA axis or HTPA axis) is a complex set of direct influences and feedback interactions among three components: the hypothalamus, the pituitary gland (a pea-shaped structure located below the thalamus), and the adrenal (also called "suprarenal") glands (small, conical organs on top of the kidneys).
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Hysteresis
Hysteresis is the dependence of the state of a system on its history.
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IBM Db2
IBM Db2 contains database-server products developed by IBM.
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Ice–albedo feedback
Ice–albedo feedback is a positive feedback climate process where a change in the area of ice caps, glaciers, and sea ice alters the albedo.
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Industrial Revolution
The Industrial Revolution was the transition to new manufacturing processes in the period from about 1760 to sometime between 1820 and 1840.
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Insulin oscillation
The insulin concentration in blood increases after meals and gradually returns to basal levels during the next 1–2 hours.
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Interaction
Interaction is a kind of action that occur as two or more objects have an effect upon one another.
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Investment
In general, to invest is to allocate money (or sometimes another resource, such as time) in the expectation of some benefit in the future – for example, investment in durable goods, in real estate by the service industry, in factories for manufacturing, in product development, and in research and development.
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Jacques Monod
Jacques Lucien Monod (February 9, 1910 – May 31, 1976), a French biochemist, won the Nobel Prize in Physiology or Medicine in 1965, sharing it with François Jacob and Andre Lwoff "for their discoveries concerning genetic control of enzyme and virus synthesis".
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James Clerk Maxwell
James Clerk Maxwell (13 June 1831 – 5 November 1879) was a Scottish scientist in the field of mathematical physics.
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James Watt
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.
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John McFarlane Gray
John McFarlane Gray (or J. Macfarlane Gray; 7 April 1831 – 14 January 1908) was a Scottish engineer who invented a portable steam riveting machine and a steam steering mechanism for Isambard Kingdom Brunel's famous SS Great Eastern.
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Joseph Farcot
Jean Joseph Léon Farcot (23 June 1824 – 19 March 1908) was a French engineer and industrialist whose factories employed up to 700 workers.
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Karl Ferdinand Braun
Karl Ferdinand Braun (6 June 1850 – 20 April 1918) was a German inventor, physicist and Nobel laureate in physics.
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Knowledge
Knowledge is a familiarity, awareness, or understanding of someone or something, such as facts, information, descriptions, or skills, which is acquired through experience or education by perceiving, discovering, or learning.
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Lac repressor
The lac repressor is a DNA-binding protein which inhibits the expression of genes coding for proteins involved in the metabolism of lactose in bacteria.
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Loop gain
In electronics and control system theory, loop gain is the sum of the gain, expressed as a ratio or in decibels, around a feedback loop.
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Lotka–Volterra equations
The Lotka–Volterra equations, also known as the predator–prey equations, are a pair of first-order nonlinear differential equations, frequently used to describe the dynamics of biological systems in which two species interact, one as a predator and the other as prey.
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Low-frequency oscillation
Low-frequency oscillation (LFO) is an electronic signal which is usually below 20 Hz and creates a rhythmic pulse or sweep.
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Low-key feedback
In human-computer interaction, low-key feedback is a type of output that takes a background role by being very subtle, sometimes nearly imperceptible.
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Market trend
A market trend is a perceived tendency of financial markets to move in a particular direction over time.
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Mathematical analysis
Mathematical analysis is the branch of mathematics dealing with limits and related theories, such as differentiation, integration, measure, infinite series, and analytic functions.
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Metabolism
Metabolism (from μεταβολή metabolē, "change") is the set of life-sustaining chemical transformations within the cells of organisms.
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Microcontroller
A microcontroller (MCU for microcontroller unit, or UC for μ-controller) is a small computer on a single integrated circuit.
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Mirror neuron
A mirror neuron is a neuron that fires both when an animal acts and when the animal observes the same action performed by another.
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MIT Press
The MIT Press is a university press affiliated with the Massachusetts Institute of Technology (MIT) in Cambridge, Massachusetts (United States).
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Momentum investing
Momentum investing is a system of buying stocks or other securities that have had high returns over the past three to twelve months, and selling those that have had poor returns over the same period.
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Multivibrator
A multivibrator is an electronic circuit used to implement a variety of simple two-state devices such as relaxation oscillators, timers and flip-flops.
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Negative feedback
Negative feedback (or balancing feedback) occurs when some function of the output of a system, process, or mechanism is fed back in a manner that tends to reduce the fluctuations in the output, whether caused by changes in the input or by other disturbances.
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Negative-feedback amplifier
A Negative-feedback amplifier (or feedback amplifier) is an electronic amplifier that subtracts a fraction of its output from its input, so that negative feedback opposes the original signal.
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Nicolas Minorsky
Nicolas Minorsky (born Nikolai Fyodorovich Minorsky, Николай Федорович Минорский;, Korcheva, Russian Empire – 31 July 1970, Italy) was a Russian American control theory mathematician, engineer and applied scientist.
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Nyquist stability criterion
In control theory and stability theory, the Nyquist stability criterion, discovered by Swedish-American electrical engineer Harry Nyquist at Bell Telephone Laboratories in 1932, on is a graphical technique for determining the stability of a dynamical system.
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Operon
In genetics, an operon is a functioning unit of DNA containing a cluster of genes under the control of a single promoter.
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Organism
In biology, an organism (from Greek: ὀργανισμός, organismos) is any individual entity that exhibits the properties of life.
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Oscillation
Oscillation is the repetitive variation, typically in time, of some measure about a central value (often a point of equilibrium) or between two or more different states.
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Otto Mayr
Otto Mayr (born November 2, 1930) is a German mechanical engineer, historian of technology, curator, museum director, and author.
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Paul Ormerod
Paul Andrew Ormerod (born 20 March 1950) is a British economist who is a partner at Volterra Partners consultancy.
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Perverse incentive
A perverse incentive is an incentive that has an unintended and undesirable result which is contrary to the interests of the incentive makers.
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PID controller
A proportional–integral–derivative controller (PID controller or three term controller) is a control loop feedback mechanism widely used in industrial control systems and a variety of other applications requiring continuously modulated control.
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Pole splitting
Pole splitting is a phenomenon exploited in some forms of frequency compensation used in an electronic amplifier.
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Positive feedback
Positive feedback is a process that occurs in a feedback loop in which the effects of a small disturbance on a system include an increase in the magnitude of the perturbation.
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Power inverter
A power inverter, or inverter, is an electronic device or circuitry that changes direct current (DC) to alternating current (AC).
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Protein
Proteins are large biomolecules, or macromolecules, consisting of one or more long chains of amino acid residues.
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Psychology
Psychology is the science of behavior and mind, including conscious and unconscious phenomena, as well as feeling and thought.
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Public address system
A public address system (PA system) is an electronic system comprising microphones, amplifiers, loudspeakers, and related equipment.
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Qualitative property
Qualitative properties are properties that are observed and can generally not be measured with a numerical result.
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Quantity
Quantity is a property that can exist as a multitude or magnitude.
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Quartz clock
A quartz clock is a clock that uses an electronic oscillator that is regulated by a quartz crystal to keep time.
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Radio frequency
Radio frequency (RF) refers to oscillatory change in voltage or current in a circuit, waveguide or transmission line in the range extending from around twenty thousand times per second to around three hundred billion times per second, roughly between the upper limit of audio and the lower limit of infrared.
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Recursion
Recursion occurs when a thing is defined in terms of itself or of its type.
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Reflexivity (social theory)
In epistemology, and more specifically, the sociology of knowledge, reflexivity refers to circular relationships between cause and effect, especially as embedded in human belief structures.
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Regenerative circuit
A regenerative circuit is an amplifier circuit that employs positive feedback (also known as regeneration); some of the output of the amplifying device is applied to its input without phase inversion, which reinforces the signal, increasing the amplification.
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Relaxation oscillator
In electronics a relaxation oscillator is a nonlinear electronic oscillator circuit that produces a nonsinusoidal repetitive output signal, such as a triangle wave or square wave.
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Relief valve
A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; pressure might otherwise build up and create a process upset, instrument or equipment failure, or fire.
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Repressor
In molecular genetics, a repressor is a DNA- or RNA-binding protein that inhibits the expression of one or more genes by binding to the operator or associated silencers.
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Resonance
In physics, resonance is a phenomenon in which a vibrating system or external force drives another system to oscillate with greater amplitude at specific frequencies.
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Rock music
Rock music is a broad genre of popular music that originated as "rock and roll" in the United States in the early 1950s, and developed into a range of different styles in the 1960s and later, particularly in the United Kingdom and in the United States.
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Sequential logic
In digital circuit theory, sequential logic is a type of logic circuit whose output depends not only on the present value of its input signals but on the sequence of past inputs, the input history.
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Servomechanism
In control engineering a servomechanism, sometimes shortened to servo, is an automatic device that uses error-sensing negative feedback to correct the action of a mechanism.
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Signal chain
Signal chain, or signal-processing chain is a term used in signal processing and mixed-signal system design to describe a series of signal-conditioning electronic components that receive input (data acquired from sampling either real-time phenomena or from stored data) in tandem, with the output of one portion of the chain supplying input to the next.
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Sine wave
A sine wave or sinusoid is a mathematical curve that describes a smooth periodic oscillation.
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Sound recording and reproduction
Sound recording and reproduction is an electrical, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects.
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Speedometer
A speedometer or a speed meter is a gauge that measures and displays the instantaneous speed of a vehicle.
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Sperry Corporation
Sperry Corporation (1910−1986) was a major American equipment and electronics company whose existence spanned more than seven decades of the 20th century.
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Square wave
A square wave is a non-sinusoidal periodic waveform in which the amplitude alternates at a steady frequency between fixed minimum and maximum values, with the same duration at minimum and maximum.
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SS Great Eastern
SS Great Eastern was an iron sailing steamship designed by Isambard Kingdom Brunel, and built by J. Scott Russell & Co.
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Stability criterion
In control theory, and especially stability theory, a stability criterion establishes when a system is stable.
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State (computer science)
In information technology and computer science, a program is described as stateful if it is designed to remember preceding events or user interactions; the remembered information is called the state of the system.
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State-space representation
In control engineering, a state-space representation is a mathematical model of a physical system as a set of input, output and state variables related by first-order differential equations or difference equations.
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Steam engine
A steam engine is a heat engine that performs mechanical work using steam as its working fluid.
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Stock
The stock (also capital stock) of a corporation is constituted of the equity stock of its owners.
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Stock market
A stock market, equity market or share market is the aggregation of buyers and sellers (a loose network of economic transactions, not a physical facility or discrete entity) of stocks (also called shares), which represent ownership claims on businesses; these may include securities listed on a public stock exchange as well as those only traded privately.
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Stock market bubble
A stock market bubble is a type of economic bubble taking place in stock markets when market participants drive stock prices above their value in relation to some system of stock valuation.
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Strange loop
A strange loop is a cyclic structure that goes through several levels in a hierarchical system.
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Supply and demand
In microeconomics, supply and demand is an economic model of price determination in a market.
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Synthesizer
A synthesizer (often abbreviated as synth, also spelled synthesiser) is an electronic musical instrument that generates electric signals that are converted to sound through instrument amplifiers and loudspeakers or headphones.
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System
A system is a regularly interacting or interdependent group of items forming an integrated whole.
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Television
Television (TV) is a telecommunication medium used for transmitting moving images in monochrome (black and white), or in colour, and in two or three dimensions and sound.
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Television transmitter
A television transmitter is a device which broadcasts an electromagnetic signal to the television receivers.
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The Death of Economics
The Death of Economics is a book written by Paul Ormerod.
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Tom Mead
Thomas Francis Mead (4 May 1918 – 22 January 2004) was an Australian politician, elected as a member of the New South Wales Legislative Assembly representing the seat of Hurstville for the Liberal Party.
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Transmitter
In electronics and telecommunications, a transmitter or radio transmitter is an electronic device which produces radio waves with an antenna.
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Unintended consequences
In the social sciences, unintended consequences (sometimes unanticipated consequences or unforeseen consequences) are outcomes that are not the ones foreseen and intended by a purposeful action.
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User interface
The user interface (UI), in the industrial design field of human–computer interaction, is the space where interactions between humans and machines occur.
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Valence (psychology)
Valence, as used in psychology, especially in discussing emotions, means the intrinsic attractiveness/"good"-ness (positive valence) or averseness/"bad"-ness (negative valence) of an event, object, or situation.
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Video
Video is an electronic medium for the recording, copying, playback, broadcasting, and display of moving visual media.
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Video camera
A video camera is a camera used for electronic motion picture acquisition (as opposed to a movie camera, which records images on film), initially developed for the television industry but now common in other applications as well.
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Video feedback
Video feedback is the process that starts and continues when a video camera is pointed at its own playback video monitor.
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Video game
A video game is an electronic game that involves interaction with a user interface to generate visual feedback on a video device such as a TV screen or computer monitor.
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W. Ross Ashby
W.
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Water clock
A water clock or clepsydra (Greek κλεψύδρα from κλέπτειν kleptein, 'to steal'; ὕδωρ hydor, 'water') is any timepiece in which time is measured by the regulated flow of liquid into (inflow type) or out from (outflow type) a vessel where the amount is then measured.
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Windmill fantail
A fantail is a small windmill mounted at right angles to the sails, at the rear of the windmill, and which turns the cap automatically to bring it into the wind.
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Redirects here:
Electronic feedback loop, Electronic feedback loops, Fb control, Feed back control, Feed-back, Feedback Control, Feedback Inhibition, Feedback circuit, Feedback control, Feedback diagram, Feedback effect, Feedback loop, Feedback loops, Feedback mechanism, Feedback signal, Reflexive feedback, Sensory feedback.
References
[1] https://en.wikipedia.org/wiki/Feedback
