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Topic: Electrical phenomenon

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Electromagnetism

Static electricity

Triboelectric effect

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Electricity

Current (electricity)

Electroluminescence

Pyroelectric effect

Electric field

Ferroelectric effect

	Electrical phenomena - Wikipedia, the free encyclopedia
		Electrical phenomena are a somewhat arbitrary division of electromagnetic phenomena.
		Lightning's abrupt electric discharge is accompanied by the emission of light.
		Static electricity — Class of phenomena involving the imbalanced charge present on an object, typically referring to charge with voltages of sufficient magnitude to produce visible attraction (eg., static cling), repulsion, and sparks.
	en.wikipedia.org /wiki/Electrical_phenomenon (391 words)

	Electrical conductivity - Wikipedia, the free encyclopedia
		Electrical conduction is an electrical phenomenon where a material (solid or otherwise) contains movable particles with electric charge, which can carry electricity.
		When a difference of electrical potential is placed across a conductor, its movable charges flow, and an electric current appears.
		Electrical conductivity may be represented by the Greek letters κ, σ or γ.
	en.wikipedia.org /wiki/Electrical_conductivity (210 words)

	Electrical phenomena - Wikipedia, the free encyclopedia
		Electrical phenomena are commonplace and unusual events that can be observed which illuminate the principles of the physics of electricity and are explained by them.
		Electrical conduction — The movement of electrically charged particles through matter.
		Photoconductivity — The phenomenon in which a material becomes more conductive due to the absorption of electro-magnetic radiation such as visible light, ultraviolet light, or gamma radiation.
	en.wikipedia.org /wiki/Examples_of_electrical_phenomena (391 words)

	Electricity (Site not responding. Last check: 2007-10-08)
		Electricity gives rise to one of the four fundamental forces of nature, and is a conserved property of matter that can be quantified.
		In this sense, the phrase "quantity of electricity" is used interchangeably with the phrases "charge of electricity" and "quantity of charge." There are two types of electricity or charge: we call one kind of electricity positive and the other negative.
		In electrical engineering, the energy in electromagnetic fields is harnessed to perform useful work—either as a method to transmit energy to the appropriate place and then convert it back into a different, useful form of energy (for instance, heat, light, or motion), or by using the presence or level of electricity to convey information.
	www.free-download-soft.com /info/electric.html (1749 words)

	SingaporeMoms - Parenting Encyclopedia - Phenomenon
		Phenomenon has a specialized meaning in the philosophy of Immanuel Kant who contrasted the term 'Phenomenon' with 'Noumenon'.
		Phenomenon is also the name of a 1996 film starring John Travolta and Forest Whitaker.
		Phenomenon is also the name of a 1997 album by rapper LL Cool J.
	www.singaporemoms.com /parenting/Phenomenon (362 words)

	The Burning Bush
		Should we assume that it was some natural phenomenon, interpreted by Moses as a miracle, we would be put before the choice: either it was a phenomenon of phosphorescence, or some similar radiation, or it was a phenomenon of an electrical nature, such as that known to us as St. Elmo fire.
		Elmo fire is the visible electrical glow on the tops and extremities of masts of ships, or at the summits and ends of branches of trees; this electrical phenomenon is especially apparent when the atmosphere is charged more than usual by electricity.
		It is known that comets glow chiefly by their own light, rather than by the reflected light of the Sun: the spectral analysis of the glow coming from the tails of the comets shows that the light originates there; it shows the so-called lines of emission, whereas reflected glow would produce lines of absorption.
	www.varchive.org /ce/shamir/burbush.htm (965 words)

	Talk:Phenomenon - Wikipedia, the free encyclopedia
		In philosophy, a Phenomenon is an observable event caused by a hypothetical object known as a noumenon.
		This isn't to deny that we need an article such as phenomenon (Kantian philosophy)--but that's a relatively well-defined piece of jargon that is the subject of a great deal of specific scholarship.
		It is possible to list the phenomena which are relevant to almost any field of endeavor, for example, in the case of optics and light one can list observable phenomena under the topic optical phenomenon.
	www.wikipedia.org /wiki/Talk:Phenomenon (813 words)

	Learn more about Electrical conductivity in the online encyclopedia. (Site not responding. Last check: 2007-10-08)
		Conductance is an electrical phenomenon where a material contains movable particles of electricity.
		Electrical conductivity is the reciprocal of electrical resistivity (ohms).
		It is the ratio of the current density to the electric field strength.
	www.onlineencyclopedia.org /e/el/electrical_conductivity.html (249 words)

	Electroluminescence - Wikipedia, the free encyclopedia
		Electroluminescence (EL) is an optical phenomenon and electrical phenomenon where a material emits light in response to an electric current passed through it, or to a strong electric field.
		This is distinct to light emission resulting from heat (incandescence) or from the action of chemicals (chemoluminescence).
		Prior to recombination, electrons and holes are separated either as a result of doping of the material to form a p-n junction (in semiconductor electroluminescent devices such as LEDs), or through excitation by impact of high-energy electrons accelerated by a strong electric field (as with the phosphors in electroluminescent displays).
	en.wikipedia.org /wiki/Electroluminescence (168 words)

	23
		This electrical phenomenon would be reflected in the electrical reactivity of the system, because if the patient has a candida infection that is not being dealt with properly in the adaptation stage, then the patient will electrically react to an exposure to candida at a higher rate.
		Thus the electrical reactivity system, well researched in sharks and other predatory fish, is able to help the shark to find its prey and determine better places to hunt and to live.
		If the patient were anemic (this could be determined by blood analysis), he might also electrically react to the presence of iron, and this might allow us to develop a simpler prediagnostic system of measuring the electrical reactivity of a patient to different items before doing a blood screening.
	www.energetic-medicine.net /research/xeriod3.htm (3766 words)

	Electrical conductivity - Open Encyclopedia (Site not responding. Last check: 2007-10-08)
		Conductance is an electrical phenomenon where a material contains movable particles with electric charge, which can carry electricity.
		A semiconductor has a conductivity that varies widely under different conditions, such as exposure of the material to electric fields or certain frequencies of light.
		Electrical conductivity is the reciprocal of electrical resistivity (1/[Ω·m]).
	open-encyclopedia.com /Electrical_conductivity (214 words)

	Automatic common mode rejection in an analog measuring system - Patent 4150433
		An analog measuring system is disclosed which simultaneously stores in a first memory element a voltage generated by a physical phenomenon including the errors introduced by the measuring system and in a second memory element a voltage corresponding to the errors introduced by the measuring system.
		The electrical representation of the reference is combined with the electrical representation of the sensed physical phenomenon to provide an absolute reading.
		After the physical phenomenon is sensed, the double pole switch 54 is switched into its lower position from terminals 56 to 58.
	www.freepatentsonline.com /4150433.html (3252 words)

	PARANORMAL ELECTRICAL EFFECTS (Site not responding. Last check: 2007-10-08)
		We decided to investigate this synchronous signal phenomenon in a series of sessions in which two 10cm x 1cm x 1mm aluminium specimens A and B were mounted radially to the subject Stephen North, as in Figure 1a.
		The proportion ES of synchronous strain and electrical signals was 0.32; this significantly non-zero value presumably indicates some connection, psychological, physical, or both, between the electrical and the dynamic strain phenomena.
		Session Q was held several months later, after other electrical experiments, in an attempt to restore to Stephen his metal-bending ability, diminished by lack of practice; he was asked deliberately to attempt dynamic strain signals and not to worry about the presence of electrical signals.
	www.uri-geller.com /hastextr.htm (2996 words)

	NEUROLOGICAL DISORDERS FOLLOWING ELECTRICAL BURN INJURIES
		The first recorded case of electrical injury after the discovery of the electrical phenomenon occurred in 1746 when two Dutchmen were injured by the accidental discharge of a L,eyden jar.
		On August 4 1988 a 32-year-old policeman sustained electrical injury while installing a television aerial which accidentally touched an overhead high tension cable carrying approximately 22,000 V. The patient lost consciousness but recovered on the way to a general hospital in Athens where he was admitted and given shock resuscitation.
		The effects of electric current on the human body have been generally well-documented, though numerous factors are involved which will affect, the type and extent of the damage caused.
	www.medbc.com /annals/review/vol_4/num_2/text/vol4n2p84.htm (2560 words)

	The New Telegraphy (1898)
		The whole phenomenon passes with such enormous swiftness that the movements to and fro of the electrical forces are concealed from sight.
		When such a resonator is placed in the path of electric waves an electrical sympathetic ringing is roused therein, which shows itself in the passage of sparks at the point of non-contact or interruption in somewhat the same way that a tuning-fork is brought to sympathetic sounding by waves of sound.
		But if the impact of an electrical discharge falls upon the circuit, electric effects tremble through it which are not barred by the air-space between the knobs, very much as a wave of water may spurt its way over an obstacle when it is turned into millions of little spray-drops.
	earlyradiohistory.us /1898sla.htm (4421 words)

	Vol 15 #1 - Localization Of Auricular Projection Areas Of The Stomach And Duodenum And Their Use In The Monitoring Of ...
		The breakthrough effect is a rapid reversible decrease in skin resistance that occurs under certain electrical stimulation conditions.Following the breakthrough effect, the skin resistance measured by means of a positively polarized point electrode is significantly higher for diseased organs' projection areas compared with the resistance for the same, but negatively polarized, measuring electrode (rectification/diode phenomenon).
		A high degree of rectification in an area 2 mm in diameter was observed on evaluation of the electrical resistance of the auricular concha in 17 patients with duodenal ulcers and duodenitis before treatment.
		Diagnostic methods based on measurements of electrical potential, resistance, and impedance of these zones have been proposed; however, their diagnostic accuracy has not been proven and reproducibility has not been consistent.
	www.medicalacupuncture.org /aama_marf/journal/vol15_1/vol_15_num_1_article_6.html (2275 words)

	CITT - Appeals - Decisions - SIMARK CONTROLS LTD. (Site not responding. Last check: 2007-10-08)
		In terms of the goods in issue specifically, Dr. Frise opined that the rotation of the propeller is a mechanical phenomenon and that the number of pulses is determined by the mechanical action of the propeller spinning, which is, in turn, determined by the rate of flow of the liquid.
		The representative submitted that it is the electrical pulses that are actually being measured and that they are directly proportional to the rate of flow, which is the factor to be determined.
		Counsel submitted that, according to the definition, to be considered an electrical instrument or apparatus under Chapter 90, the operation of the instrument or apparatus must depend on an electrical phenomenon which varies according to the factor to be determined.
	www.citt.gc.ca /appeals/decision/ap94329_e.asp (2651 words)

	Class 703: DATA PROCESSING: STRUCTURAL DESIGN, MODELING, SIMULATION, AND EMULATION / U.S. Patent Classification ...
		Processes or apparatus for modeling a physical system which includes devices for performing arithmetic and some limited logic operation upon an electrical signal, such as current or voltage, which is a continuously varying representation of physical quantity.
		This class is limited to electrical data processing apparatus and corresponding methods for structural design, modeling, simulation, and emulation.
		Of electrical phenomenon, device, or system (364/802): Foreign art collection for subject matter wherein the simulated system involves an electrical phenomenon, device, or system.
	www.uspto.gov /web/offices/ac/ido/oeip/taf/def/703.htm (2429 words)

	Articles - Superconductivity (Site not responding. Last check: 2007-10-08)
		Superconductivity is a phenomenon occurring in certain materials at low temperatures, characterised by the complete absence of electrical resistance and the damping of the interior magnetic field (the Meissner effect.) Superconductivity is a quantum-mechanical phenomenon that is different from perfect conductivity.
		The simplest method to measure the electrical resistance of a superconductor is to place the sample in an electrical circuit, in series with a voltage (potential difference) source V (such as a battery), and measure the resulting current.
		In a normal conductor, an electrical current may be visualized as a fluid of electrons moving across a heavy ionic lattice.
	www.lastring.com /articles/Superconductor?mySession=d7026b082f272d8b3e637c9bf77e67f5 (2497 words)

	[No title]
		Microelectrode studies of stress generated potentials in bone show that the local electrical fields are one to two orders of magnitude (that's 10 to 100 times) higher than estimates based on macro determination of average fields(3).
		Electrical toxicity: there are several electrical phenomena that apparently cause adverse reactions in particular "hypersensitive" individuals.
		Pollack modelled the electrical behaviour of bone in terms of "streaming potentials", an electrical phenomenon that occurs when the large charged proteoglycans stream past the collagen wires(5).
	www.normanallan.com /Sci/Crystals.html (4857 words)

	Is Acupuncture an Electrical Phenomenon
		The origin of the atmospheric electric field is thunderstorms.
		The field strengths and currents will be much larger than with fair-weather conditions, but the point is, that in both cases a distortion of the electric field, caused by a sharp or pointed “electrode” will increase the current from the atmosphere to the electrode.
		On the other hand (weak) electric fields are almost always present, even in indoor environments, originating from people moving or insulating materials being acciden-tally charged.
	users.med.auth.gr /~karanik/english/articles/electr.html (1049 words)

	[No title] (Site not responding. Last check: 2007-10-08)
		Metal electrodes exposed in an electrically screened room in the neighbourhood of Stephen North and other "metal-bending" psychic subjects are found to receive electrical transients claimed to be paranormal in origin.
		Analysis is made in terms of the diffusion of electrical carriers in the atmospheric region between pairs of electrodes of opposite polarity.
		Session Q was held several months later, after other electrical experiments, in an attempt to restore to the subject his metal-bending ability, apparently diminished by lack of practice; he was asked deliberately to attempt dynamic strain signals and not to worry about the presence of electrical signals.
	www.uri-geller.com /paper2.htm (5161 words)

	RESP (Site not responding. Last check: 2007-10-08)
		Pathology of a particular organ causes a related OPA to rectify electrical currents, once the resistance “breakthrough effect” has been induced in the skin.1-9 The breakthrough effect is a rapid reversible decrease in skin resistance that occurs under particular electrical stimulation conditions.
		This phenomenon is not observed in the projection areas for healthy organs.
		The objectives of this study were to confirm the findings of skin electrical rectification phenomena experimentally, and to determine the influence of the patient’s state of consciousness on these phenomena.
	acupuncturedelhi.com /infuence.htm (1976 words)

	[No title] (Site not responding. Last check: 2007-10-08)
		We did not just look for paranormal electrical effectsdeliberately, simply as a result of studying previous reports.But in 1978 we happened to connect a low impedance amplifier (Hastedand Robertson, 1980a) direct to the metal specimens used in no-touchstrain gauge metal-bending experiments (Hasted, 1976a; 1977; 1979).This was for the purpose of electrical touch detection.
		The proportion ES of synchronousstrain and electrical signals was 0.32; this significantly non-zerovalue presumably indicates some connection, psychological, physical,or both, between the electrical and the dynamic strain phenomena.Possibly, even, in some of these particular events, the apparentdynamic strain signals were actually paranormal electrical eventsrecorded at the strain gauge itself, or even within the screenedleads.
		Session Q was heldseveral months later, after other electrical experiments, in anattempt to restore to the subject his metal-bending ability, apparentlydiminished by lack of practice; he was asked deliberately to attemptdynamic strain signals and not to worry about the presence ofelectrical signals.
	utopia.knoware.nl /users/veldman/frans/dutch/straal1.htm (4608 words)

	Electrical Hypersensitivity (Site not responding. Last check: 2007-10-08)
		Known variously as electromagnetic hypersensitivity, electrical sensitivity, electrosensitivity, and a host of other terms, electromagnetic sensitivity syndrome (ES) is a physiological disorder characterized by symptoms directly brought on by exposure to electromagnetic fields.
		ES is a disorder whereby neurological and allergic-type symptoms are brought on thru exposure to electromagnetic fields.
		Persons who suffer from both MCS and ES have found that the symptoms which they feel after either electrical or chemical exposure are essentially the same; they are frequently unsure as to which type of exposure brought the symptoms on.
	www.idcnet.com /~jschultz/es.htm (922 words)

	The Unnatural Museum - Bizarre Electricity
		Sanborn experienced is unknown, however it does resemble in it's appearance a phenomenon known as "Saint Elmo's Fire." Saint Elmo's Fire is a glowing electrical halo that can envelope the mast of ships, airplane wings and church steeples during stormy weather.
		It seems unlikely air friction caused by stormy weather is responsible for the Sanborn incident, however, earthquakes have been known to generate electrical phenomena and Yellowstone is a geologically active region.
		Improper connection of the battery causes an electrical discharge that sometimes reportedly spawns glowing, hot balls.
	www.unmuseum.org /bizelec.htm (1034 words)

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