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Topic: Consequences of Special Relativity

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Special theory of relativity

Special relativity

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	Special relativity (Site not responding. Last check: 2007-11-05)
		8 The Geometry of Space-time in Special Relativity
		Special relativity is usually concerned with the behaviour of objects and observers which remain at rest or are moving at a constant velocity.
		Special relativity shows, in fact, that these concepts are all different aspects of the same physical quantity in much the same way that it shows space and time to be interrelated.
	www.1-free-software.com /en/wikipedia/s/sp/special_relativity.html (2260 words)

	Special relativity - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-11-05)
		Special relativity(SR) or the special theory of relativity is the physical theory published (http://www.fourmilab.ch/etexts/einstein/specrel/www/) in 1905 by Albert Einstein.
		Special relativity is mathematically self-consistent, and is also compatible with all modern physical theories, most notably quantum field theory, string theory, and general relativity (in the limiting case of negligible gravitational fields).
		Relativity in its Historical Context (http://www-gap.dcs.st-and.ac.uk/~history/HistTopics/Special_relativity.html) The discovery of special relativity was inevitable, given the momentous discoveries that preceded it.
	www.newlenox.us /project/wikipedia/index.php/Special_relativity (2893 words)

	Science Fair Projects - Special relativity
		Relativity in its Historical Context The discovery of special relativity was inevitable, given the momentous discoveries that preceded it.
		Synchronization Gauges and the Principles of Special Relativity The principles of Special Relativity Theory (SRT) allow for a wide range of ‘theories’ that differ from the standard SRT only for the difference in the chosen synchronization procedures, but are wholly equivalent to SRT in predicting empirical facts.
		Special Relativity This is chapter two of Christoph Schiller's 1000 page walk through the whole of physics, from classical mechanics to relativity, electrodynamics, thermodynamics, quantum theory, nuclear physics and unification.
	www.all-science-fair-projects.com /science_fair_projects_encyclopedia/Special_relativity (3319 words)

	Special relativity - Encyclopedia.WorldSearch (Site not responding. Last check: 2007-11-05)
		Special relativity (SR) or the special theory of relativity is the physical theory published in 1905 by Albert Einstein.
		Special relativity is usually concerned with the behaviour of objects and "observers" (inertial reference systems) which remain at rest or are moving at a constant velocity.
		One advantage of this formulation is that it is now easy to compare special relativity with general relativity, in which the same two postulates hold but the assumption that the metric is required to be Minkowski is dropped.
	encyclopedia.worldsearch.com /special_relativity.htm (5252 words)

	Special Relativity prescribes a New Definition of Measurement-I
		Like most consequences of special relativity, this one also reflects the theory’s revolutionary character as it clashes with the common belief among the physicists that there are many different ways of measuring length, most of them having no formal involvement of light.
		Consequently, the conclusion appearing at the end of the last paragraph can be restated in a more specific form, namely, that the quantity v represents the inertial frame S and the quantity c is the signature of the operations of measuring length.
		Parallel treatments of two other predictions of special relativity, namely, time dilation and the increase of the mass of a particle with its speed, lead to the results that light is also involved in the operations of measuring time and mass, respectively, and that these operations are the same for all inertial observers.
	wbabin.net /physics/minhas.htm (2736 words)

	MSN Encarta - Relativity
		Relativity, theory, developed in the early 20th century, which originally attempted to account for certain anomalies in the concept of relative motion, but which in its ramifications has developed into one of the most important basic concepts in physical science (see Physics).
		The theory of relativity, developed primarily by German American physicist Albert Einstein, is the basis for later demonstration by physicists of the essential unity of matter and energy, of space and time, and of the forces of gravity and acceleration (see Acceleration; Energy; Gravitation).
		All of the above statements are consequences of special relativity, the name given to the theory developed by Einstein in 1905 as a result of his consideration of objects moving relative to one another with constant velocity.
	encarta.msn.com /encyclopedia_761558302/Relativity.html (1908 words)

	Special relativity Article, Specialrelativity Information (Site not responding. Last check: 2007-11-05)
		Special relativity is usually concerned with the behaviour of objects and observers which remain at rest or are moving at aconstant velocity.
		Special relativity shows, in fact, that these concepts are all different aspectsof the same physical quantity in much the same way that it shows space and time to be interrelated.
		Special Relativity holds that events that are simultaneous in one frame of reference need not be simultaneous in another frameof reference.
	www.anoca.org /energy/mass/special_relativity.html (2127 words)

	Special Theory of Relativity
		Relative to Sue, the light bulb is travelling to the left at half the speed of light.
		Relative to Sue the light bulb, mirror, and detector are moving to left at half the speed of light.
		Then relative to Sue the unmanned rocket is moving from left to right at 0.40 times the speed of light, which is noticeably larger than the common sense prediction of 0.75 - 0.50 = 0.25 times the speed of light.
	www.upscale.utoronto.ca /GeneralInterest/Harrison/SpecRel/SpecRel.html (9252 words)

	SPECIAL THEORY OF RELATIVITY-CONSEQUENCES OF SPECIAL THEORY OF RELATIVITY-RESULTS OF THEORY OF RELATIVITY-TIME ...
		With the development of special theory of relativity it became apparent that there is no physical contraction of the moving objects.
		Time is regarded as an absolute quantity in classical mechanics whereas in the special theory of relativity it is considered to be a relative entity based on the measurement of time in frame of references in relative motion.
		In the begining of this section we have stated the postulates of relativity that the speed of light is a universal constant.
	www.citycollegiate.com /physicsXII_17d.htm (1018 words)

	Time Travel [Internet Encyclopedia of Philosophy] (Site not responding. Last check: 2007-11-05)
		The theory of Special Relativity has two defining principles: the principle of relativity and the invariance of the speed of light.
		An example of Special Relativity time travel is of an astronaut who travels some distance in the universe at a velocity near the speed of light.
		In Special Relativity, all inertial frames are equivalent, and while this is a useful approximation, it does not yet suggest how inertial frames are to be explained.
	www.iep.utm.edu /t/timetravel.htm (7833 words)

	Mass (Site not responding. Last check: 2007-11-05)
		This equivalence between inertial and gravitational mass is at the heart of the theory of general relativity.
		(The implications of special relativity are discussed below.) It is sometimes useful to treat the mass of an object as changing with time: for example, the mass of a rocket decreases as the rocket fires.
		At the heart of the general theory of relativity is the Principle of Equivalence, which states that it is impossible to distinguish between a uniform acceleration and a uniform gravitational field.
	www.brainyencyclopedia.com /encyclopedia/m/ma/mass.html (1287 words)

	Postulates of Special Relativity
		This postulate is the nub of special relativity, and much of the content of these pages is concerned with exploring its paradoxical consequences, starting with the next page, The Paradox of Special Relativity.
		Inertial frames constitute a special class of spacetime coordinate systems; it is with respect to distance and time intervals in these special frames that the speed of light is asserted to be constant.
		However, general relativity asserts the existence of locally inertial frames, and the speed of light is a universal constant in those frames.
	casa.colorado.edu /~ajsh/sr/postulate.html (690 words)

	Allan Rousselle's House of Cards: Special Relativity in Politics
		Special Note: If this is not the entry you were looking for, please click here.
		But, because of special relativity, if we observe the exact same event from Spaceship 1, it turns out that the tip of our spaceship passes by the tail of Spaceship 2 a split second before the nose of Spaceship 2 passes by our tail.
		This is because, relative to those of us in Spaceship 1, the second spaceship is travelling a most ludicrous speed and is therefore compressed in time and space relative to us.
	www.rousselle.com /allan/archives/000059.html (631 words)

	SPECIAL RELATIVITY (Site not responding. Last check: 2007-11-05)
		Treated in detail are the Lorentz transformations, their kinematical consequences (the so-called paradoxes), relativistic mechanics, electrodynamics as an example of a relativistic field theory, and the principal features of relativistic hydrodynamics.
		The book offers a logical development of special relativity from Einstein's principle of relativity alone; arrives at the essential statements of the theory by a direct approach - this emphasis is different from that of most books; and offers a concise introduction to tensor calculus as needed in special relativity.
		A selection of problems and documentation of the experimental tests of special relativity are given.
	www.worldscibooks.com /physics/0976.htm (255 words)

	Consequences of Special Relativity - Wikipedia, the free encyclopedia
		Two events that occur simultaneously in different places in one frame of reference may occur at different times in another frame of reference (lack of absolute simultaneity).
		Because all motion is relative, if ship A is moving relative to ship B, occupants of ship A see the time of occupants of ship B running slow and occupants of ship B see the time of occupants of ship A running slow.
		There is no experimental way of finding out which occupants are right, so they can both be said to be correct.
	en.wikipedia.org /wiki/Consequences_of_Special_Relativity (567 words)

	Counter-Intuitive Consequences of Special Relativity (Site not responding. Last check: 2007-11-05)
		(a) Time is relative, meaning that it depends on the observer.
		Then a person who is moving at a fraction of the speed of light sees a clock recording time more slowly than does a person who is at rest and who is looking at the same clock.
		If the source and the observer are moving toward each other, then the frequency of the light increases, which is known as a blue shift because yellow light becomes more bluish.
	www.jupiterscientific.org /sciinfo/cicsr.html (473 words)

	Special Relativity (Site not responding. Last check: 2007-11-05)
		A direct consequence of his theory that required agreement among all inertial observers, turns out, is that different inertial observers may obtain different results for lengths and time intervals.
		For example, if you set a yardstick in relative motion to earth and then measure its length while it is moving, you'll find that it has a length shorter than a yard, it "contracts".
		But it took Einstein's Special Theory of Relativity to show that, as its consequence, mass itself is a form of energy.
	idol.union.edu /~malekis/PhysNPol2004/PNP_SpecialRelativity.htm (1798 words)

	Articles - Special relativity (Site not responding. Last check: 2007-11-05)
		The rest energy does not cause any conflict with the Newtonian theory because it is a constant and, as far as kinetic energy is concerned, it is only differences in energy which are meaningful.
		The implications of this formula on 20th century life have made it one of the most famous equations in all of science.
		Introductory physics courses and some older textbooks on special relativity sometimes define a so-called relativistic mass which may lead to the mistaken impression that special relativity implies the mass of a body increases as its velocity increases.
	www.mainearth.com /articles/Special_relativity (2413 words)

	On the Ontological Status of Minkowski Space
		The theory of relativity has profound implications for our understanding of reality, existence, the flow of time, free will, etc. This constitutes the greatest challenge, posed by science, that humankind has ever faced.
		The analysis of both the problem of interpretation of the consequences of special relativity and the problem of existence also has a pedagogical value.
		It helps to overcome a common difficulty in teaching special relativity: the understanding of relativity of space and time and the inseparability of spacetime.
	alcor.concordia.ca /~vpetkov/minkowski.html (645 words)

	PHYS 212: Consequences of Special Relativity
		In fact, Special Relativity is used routinely as a calculational tool by experimental scientists, without the need for philosophical speculation.
		Contrary to the opinion of the general public, Einstein always maintained that Special Relativity was not revolutionary, but a logical development of classical physics.
		One example is W.F. Magi, who in 1911 was President of the American Physical Society and used his annual address to the Society to criticise Special Relativity as being unintelligible except to a trained scholar.
	laser.phys.ualberta.ca /~egerton/specrel3.htm (1857 words)

	The Postulates of Special Relativity
		The postulate of relative motion takes this to its logical conclusion and states that if the motion is truly uniform, and you are sheltered from effects of the matter outside the train, there is no experiment that can be performed that will tell you whether your train is in motion or standing still.
		Although uniform motion is relative, there are big differences between observers moving at constant velocity and those that are accelerating.
		Consequently, for this theory to look the same to all observers, it must be true that:
	theoryx5.uwinnipeg.ca /mod_tech/node133.html (666 words)

	Special Theory of Relativity
		The Special Theory of Relativity is constructed in accordance with two simple underlying principles.
		Thus two observers, moving relative to one another even at a speed of 160,000 km/sec (100,000 mi/sec), each measuring the velocity of the same ray of light, would both find it to be moving at 300,000 km/sec (186,000 mi/sec), and this apparently anomalous result was proved by the Michelson-Morley experiment.
		All of the above statements are consequences of special relativity,the name given to the theory developed by Einstein in 1905 as a result of his consideration of objects moving relative to one another with constant velocity.
	www.egglescliffe.org.uk /physics/relativity/post1.html (1092 words)

	Einstein Relativity. Special Relativity
		Developing this topic, I am trying to contribute to the diffusion (from my own point of view) and general understanding of the concepts behind the special theory of the relativity which, together with the quantum theory, redefined the physics and the philosophy of 20th century.
		The postulates of the Special Theory of Relativity.
		At least one of the numerous experimental results that support the validity of the equations of the theory of special relativity.
	www.geocities.com /newmodel2k/Eng_index.html (592 words)

	Physics - Space : Special Relativity and the Understanding of Space and Time
		A gentle illustrated introduction to the basic concepts of special and general relativity, which is aimed nonetheless at first year university students is the course SpaceTime 101, by a lecturer at Cal Tech, USA: http://www.theory.caltech.edu/people/patricia/st101.html.
		A discussion of the relativity of simultaneity can be found in Chapter, IX of Einstein's Relativity: The Special and the General Theory, a Popular Exposition.
		Although it is generally overlooked as the consequence of special relativistic effects, the magnetic field around a current-carrying conductor is in fact a strictly relativistic effect arising from the drift of electric charges in the conductor, as viewed by the external observer.
	science.uniserve.edu.au /school/curric/stage6/phys/space/relativ.html (1323 words)

	Special Relativity
		This then is the entire content of the Theory of Special Relativity: the Laws of Physics are the same in any inertial frame, and, in particular, any measurement of the speed of light in any inertial frame will always give 186,300 miles per second.
		She is also equipped with a couple of photocells, placed a known distance apart on the bottom of her spaceship as shown, and she is able to measure the speed of the same blip of light, relative to her frame of reference (the spaceship).
		That is the unavoidable consequence of the Theory of Relativity.
	galileoandeinstein.physics.virginia.edu /lectures/spec_rel.html (1675 words)

	The Idea that Shook Physics: On The Consequences of Special Relativity - Science Articles :: Physics Post
		The Theory of Relativity has indeed made a remarkable impression on the world of modern physics.
		Before we discuss the consequences of Special Relativity, we have to understand the concept of how an observer located in an inertial reference frame describes an event (an occurrence that can be described by four coordinates [three spatial and one time based]).
		Special Relativity has its basis in two postulates: (1) All the laws of Physics are consistent in all inertial reference frames and (2) the speed of light in a vacuum (c = 3.00 X 10
	www.physicspost.com /articles.php?articleId=102 (825 words)

	Chapter 7: Special Relativity
		Through a series of thought experiments we demonstrate how the 2nd postulate of relativity leads to the conclusion that space and time intervals are relative, not invariant.
		The study of relativity paradoxes investigates the properties of special relativity.
		Special relativity tells us that many things that we used to regard as invariant are actually relative: for example, length, time interval, and simultaneity depend upon the relative motion of two observers.
	www.astro.virginia.edu /~jh8h/Foundations/chapter7.html (604 words)

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