21. Introduction To Special Relativity - Wikipedia, The Free Encyclopedia Encyclopedia article giving a brief outline of the basic concepts of special relativity (including simple formulas). http://en.wikipedia.org/wiki/Introduction_to_special_relativity

Introduction to special relativity From Wikipedia, the free encyclopedia Jump to: navigation search This article may require cleanup to meet Wikipedia's quality standards Please improve this article if you can. The talk page may contain suggestions. (October 2008) This article's citation style may be unclear . The references used may be made clearer with a different or consistent style of citation footnoting , or external linking (September 2009) This article is intended as an accessible, non-technical introduction to the subject. For the main encyclopedia article, see Special relativity Albert Einstein during a lecture in Vienna in 1921 In physics special relativity is a fundamental theory about space and time , developed by Albert Einstein in 1905 as a modification of Galilean relativity . (See " History of special relativity " for a detailed account and the contributions of Hendrik Lorentz and Henri Poincaré .) It was able to explain some pressing theoretical and experimental issues in the physics of the late 19th century involving light and electrodynamics , such as the failure of the 1887 Michelson–Morley experiment , which aimed to measure differences in the relative speed of light due to the Earth's motion through the hypothetical luminiferous aether , which was then considered to be the medium of propagation of electromagnetic waves such as light.

22. Relativity--General Theory - Cassiopedia Einstein's theory of Special Relativity, he did not deal with accelerated motions or gravitation. These were treated in his General Theory Of Relativity which Einstein published http://www.cassiopedia.org/glossary/Relativity--General_Theory

RelativityGeneral Theory From Cassiopedia Einstein's theory of Special Relativity, he did not deal with accelerated motions or gravitation. These were treated in his General Theory Of Relativity which Einstein published in 1915. The General Theory presented gravity in a completely new way. Gravitation was viewed in the General Theory as a geometric property of space rather then a force between bodies. From the point of view of General Relativity, space becomes curved in the presence of matter, and bodies followed the least resistance along these curves. Einstein's Theory sounded very strange at the time when he first published it, but it explained many things that the Newtonian law of gravity could not explain, such as the orbital motions of the planet mercury, where its nearest approach to the sun (its perihelion) advanced steadily in the course of its ongoing revolutions around the sun. These small perturbations in mercury's orbit could not be explained by Newtonian Laws. However, Einstein's General Theory supplied the answer by showing that the perihelion of any revolving body should have a motion beyond that predicted by Newton's law. The calculations derived from Einstein's new theory, when now applied to the planet mercury, explained the shift of mercury's perihelion exactly. From Wikipedia: General relativity (GR) or general relativity theory (GRT) is a fundamental physical theory of gravitation which corrects and extends Newtonian gravitation, especially at the macroscopic level of stars or planets.

23. General Relativity Definition Of General Relativity In The Free Online Encyclope general relativity jen rəl ‚rel ə′tiv əd ē (relativity) The theory Einstein's general theory of relativity, general relativity, general relativity theory http://encyclopedia2.thefreedictionary.com/general relativity

24. Special Relativity - Wikipedia, The Free Encyclopedia Online encyclopedia article. http://en.wikipedia.org/wiki/Special_relativity

Special relativity From Wikipedia, the free encyclopedia Jump to: navigation search For history and motivation, see History of special relativity For a generally accessible and less technical introduction to the topic, see Introduction to special relativity USSR postage stamp dedicated to Albert Einstein Special relativity SR , also known as the special theory of relativity or STR ) is the physical theory of measurement in inertial frames of reference proposed in 1905 by Albert Einstein (after the considerable and independent contributions of Hendrik Lorentz Henri Poincaré and others) in the paper " On the Electrodynamics of Moving Bodies It generalizes Galileo's principle of relativity —that all uniform motion is relative, and that there is no absolute and well-defined state of rest (no privileged reference frames )—from mechanics to all the laws of physics , including both the laws of mechanics and of electrodynamics , whatever they may be. Special relativity incorporates the principle that the speed of light is the same for all inertial observers regardless of the state of motion of the source.

25. General Theory Of Relativity General Relativity General Theory of Relativity Click here to go to the UPSCALE home page. Click here to go to the Physics Virtual Bookshelf. Einstein's Special Theory of Relativity of http://www.upscale.utoronto.ca/PVB/Harrison/GenRel/GenRel.pdf

26. Relativity Tutorial An introduction to relativity using space-time diagrams. http://www.astro.ucla.edu/~wright/relatvty.htm

Relativity Tutorial Galilean Relativity Relativity can be described using space-time diagrams . Contrary to popular opinion, Einstein did not invent relativity. Galileo preceded him. Aristotle had proposed that moving objects (on the Earth) had a natural tendency to slow down and stop. This is shown in the space-time diagram below. Note the curved worldline above. This shows a variable velocity, or an acceleration . Galileo objected to Aristotle's hypothesis, and asked what happened to an object moving on a moving ship. Now it is still moving in its final state. Galileo proposed that it is only relative velocities that matter. Thus a space-time diagram can be transformed by painting it on the side of a deck of cards, and then skewing the deck to one side but keeping the edges along a straight line: Straight worldlines (unaccelerated particles) remain straight in this process. Thus Newton's First Law is preserved, and non-accelerated worldlines are special. This Galilean transformation does not affect the time. Thus two observers moving with respect to each other can still agree on the time, and thus the distance between two objects, which is the difference in their positions measured at equal times, can be defined. This allowed Newton to describe an inverse square law for gravity. But Galilean transformations do not preserve velocity. Thus the statement "The speed limit is 70 mph" does not make sense but don't try this in court. According to relativity, this must be re-expressed as "The magnitude of the relative velocity between your car and the pavement must be less than 70 mph". Relative velocities are OK.

27. Relativity, Space And Time Science popularization article on the Theory of Relativity. http://pgostrov.googlepages.com/e2.html

28. Relativity General Theory Science Books - Browse Books Magazines Compare prices on Relativity general theory Science Books with bizrate. Buy Books Magazines from top rated stores. Comparison shopping for Relativity general theory Science Books http://www.bizrate.com/science-books/relativity-general-theory/

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29. General Relativity And Gravitation Journal published by Springer, devoted to articles on general relativity and its applications. http://www.springerlink.com/content/101151/

30. Relativity, General Theory Of: Encyclopedia Of Science And Religion Albert Einstein radically reshaped the understanding of gravity through his proposal of the General Theory of Relativity in 1916. The problem he tackled was to create a theory http://www.enotes.com/science-religion-encyclopedia/relativity-general-theory

31. HowStuffWorks "How Special Relativity Works" Helps understand the basic elements related to the topic. http://science.howstuffworks.com/relativity.htm

HSW.sm.loadPageInfo(959); OAS_AD('TopBanner'); HowStuffWorks Search HowStuffWorks and the web Video Podcasts Blogs Quizzes Games RSS Adventure Animals Auto Culture ... Next Page How Special Relativity Works by John Zavisa Print Cite Feedback ... Recommend Cite This! Close Please copy/paste the following text to properly cite this HowStuffWorks article: Inside this Article Introduction to How Special Relativity Works 1.0 - The Fundamental Properties of the Universe Mass and Energy Light ... See all Everyday Myths articles Physics: Einstein's Equation and Fission Jon Levy/AFP/ Getty Images Pages from Albert Einstein's original manuscript in which he defines his theory of relativity If you are a fan of science fiction, then you know that "relativity" is a fairly common part of the genre. For example, people on Star Trek are always talking about the space-time continuum, worm holes, time dilations and all sorts of other things that are based on the principle of relativity in one way or another. If you are a fan of science you know that relativity plays a big part there as well, especially when talking about things like black holes and astrophysics. If you have ever wanted to understand the fundamentals of relativity, then this edition of

32. History Of General Relativity - General Covariance And The Hole Argument A selection of articles related to History of General Relativity General Covariance and The Hole Argument http://www.experiencefestival.com/history_of_general_relativity_-_general_covari

33. Jinx Another relational-like Unix simple files database. http://wwwtios.cs.utwente.nl/doc/jinx-doc/

Next: Contents data-base Jinx Henk P. Penning Computer Science Department, Utrecht University Contents Introduction Operations The meta-menu ... About this document ... LOTOS TOOLS in TWENTE Fri Oct 7 13:30:15 MET 1994

34. Re: Special Relativity - General Consequences depend on the frame of reference of the person who is doing the How could kinetic energy be framedependent? you and tha bullet tha http://sci.tech-archive.net/Archive/sci.physics.relativity/2006-12/msg02483.html

Re: Special Relativity - General Consequences From : "My Account" < f5ffesdxt@xxxxxx Date : 25 Dec 2006 09:15:29 -0800 Dirk Van de moortel wrote: Pmb wrote: [snip] everone who knows a tiny bit of physics knows that the value of the kinetic energy of a particle will depend on the frame of reference of the person who is doing the measurements. Actually (see DvM's comments) , you'd be surprised as to how many people believe the absolute opposite. ... which I -honestly- find ASTONISHING. I couldn't believe my eyes when I saw Luttgens' recent outburst. This is just *insane*. Dirk Vdm Has to do with many such people "feel" that it is what "common sense" tells them. How could kinetic energy be frame-dependent? This is "counter the(ir) common sensense" :-) this is only becus flying parallel with tha bullet, for both you and tha bullet tha "kinetic energy" will increase for tha target Follow-Ups Re: Special Relativity - General Consequences From: Dirk Van de moortel References Special Relativity - General Consequences From: Pmb Re: Special Relativity - General Consequences From: Re: Special Relativity - General Consequences From: Dirk Van de moortel Re: Special Relativity - General Consequences From: Prev by Date: Re: Special Relativity - General Consequences Next by Date: Re: Special Relativity - General Consequences Previous by thread: Re: Special Relativity - General Consequences Next by thread: Re: Special Relativity - General Consequences Index(es): Date Thread Relevant Pages

35. Unity Another Unix filter implementation of some relational ideas. http://www.bell-labs.com/project/wwexptools/unity/

36. [1009.3358] An Implementation Of The Microphysics In Full General Relativity : G Title An implementation of the microphysics in full general relativity General relativistic neutrino leakage scheme http://arxiv.org/abs/1009.3358

arXiv.org astro-ph Search or Article-id Help Advanced search All papers Titles Authors Abstracts Full text Help pages Full-text links: Download: PDF PostScript Other formats Current browse context: astro-ph.HE new recent Change to browse by: astro-ph gr-qc SLAC-SPIRES HEP refers to ... NASA ADS Bookmark what is this? Astrophysics > High Energy Astrophysical Phenomena Title: An implementation of the microphysics in full general relativity : General relativistic neutrino leakage scheme Authors: Yuichiro Sekiguchi (Submitted on 17 Sep 2010) Abstract: Comments: An invited paper from Numerical Relativity and Data Analysis (NRDA) 2009, Albert Einstein Institute, Potsdam Finer-resolution-figure version will be found in the journal reference Subjects: High Energy Astrophysical Phenomena (astro-ph.HE) ; General Relativity and Quantum Cosmology (gr-qc) Journal reference: Classical and Quantum Gravity, Volume 27, Issue 11, pp. 114107 (2010) Cite as: arXiv:1009.3358v1 [astro-ph.HE] Submission history From: Yuichiro Sekiguchi [ view email Fri, 17 Sep 2010 08:07:00 GMT (183kb) Which authors of this paper are endorsers?

37. Revolutionary Software, Inc. A very simple quasi-relational DBMS based on Unix shell commands. http://www.rdb.com/

Performance Extreme, proven performance, reliabilty and scaleability Integrate and Leverage System Administration Completely integrated with the operating system and invisible to end-users Low Total Cost of Ownership Lowers implementation, licensing, hardware and ongoing costs The Unix shell as a 4GL (Fourth Generation Language) Unix provides hundreds of programs that can be piped together to easily perform almost any function imaginable. Nothing comes close to providing the functions that come standard with Unix. Programs and philosophies carried over from other systems put walls between the user and Unix, and the power of Unix is thrown away. The shell, extended with a few relational operators, is the fourth-generation database scripting language most appropriate to the Unix environment. /rdb® is a high-performance relational database management and application development system designed for Unix and implemented as a suite of 131 shell-level commands built with a callable API library. Unlike other fourth generation systems, /rdb® is an extension of the Unix environment, making available the full power of Unix during application development and usage. Database utilities such as sorttable, jointable, row, column and compute are programs invoked by the shell reading tables from the standard input and writing tables to the standard output. All of the relational operators are included, as well as several indexing methods, a vi-like forms editor, a powerful report generator, menus, and a number of data transformation utilities, including all the math library functions. /rdb® stores tables in efficient variable length ASCII files, making them accessible to ordinary Unix commands.

38. Ellipsoidal Shapes In General Relativity: General Definitions And An Application IOPscience is a unique platform for IOPhosted journal content providing site-wide electronic access to more than 130 years of leading scientific research, and incorporates http://iopscience.iop.org/0264-9381/20/13/330

Accessibility Links Skip to content Skip to search IOPscience Skip to Journals list Accessibility help ... Classical and Quantum Gravity All Fields Title/Abstract Author Affiliation Fulltext PACS/MSC Codes Last Week Last Month This Year Last Year 3 Years 5 Years 10 Years All Dates All journals This journal only Home Search Collections Journals ... Librarians Ellipsoidal shapes in general relativity: general definitions and an application Author József Zsigrai Affiliations Department of Physics, Hiroshima University, Higashi-Hiroshima 739-8526, Japan Institute for Isotope and Surface Chemistry of the Hungarian Academy of Science, H-1525 PO Box 77, Budapest 114, Hungary E-mail zsigrai@sunserv.kfki.hu Journal Classical and Quantum Gravity Create an alert RSS this journal Issue Volume 20, Number 13 Citation József Zsigrai 2003 Class. Quantum Grav. doi: Article References Cited By Tag this article ... Full text PDF (198 KB) Abstract A generalization of the notion of ellipsoids to curved Riemannian spaces is given and the possibility of using it in describing the shapes of rotating bodies in general relativity is examined. As an illustrative example, stationary, axisymmetric perfect-fluid spacetimes with a so-called confocal inside ellipsoidal symmetry are investigated in detail under the assumption that the 4-velocity of the fluid is parallel to a timelike Killing vector field. A class of perfect-fluid metrics representing interior NUT-spacetimes is obtained along with a vacuum solution with a non-zero cosmological constant.

39. Starbase Data Tables An ASCII quasi-relational database for POSIX. http://cfa-www.harvard.edu/~john/starbase/starbase.html

[Previous] [Next] [Up] [Top] ... [Edit] Starbase Data Tables starbase - an ASCII relational database for UNIX. Starbase is a set of filter programs and an ascii table format for UNIX. The current release contains over 95 programs for manipulating data tables. The ascii database concepts are outlined in the book Unix Relational Database Management by Manis, Schaffer and Jorgensen. This implementation has been written at the Smithsonian Astrophysical Observatory and contains many extensions for use with scientific and astrophysical data sets. Top Level README Download Starbase Data Tables A Paper I wrote: Starbase: A User Centered Database for Astronomy Summary Pages Introductory FAQ - By Ray Plante Astronomical Extensions Implemented at SAO Starbase Programs Alphabetical Listing Starbase Wiki Starbase File Format Starbase Source Code Browser Starbase "C" Function Interface The Starbase BUGS list Other systems that are similar to starbase. Simple web based starbase demonstrations. UnOfficial Chandra Archive Search - Automatically built from a public ftp archive Experimental 2Mass Catalog Search - Note the number of records in the database.

40. Re: Special Relativity - General Consequences observable and lend themselves to measurement as being real and thus The length of an object contracts along the direction of motion Form the recent books and http://sci.tech-archive.net/Archive/sci.physics.relativity/2006-12/msg02523.html

Re: Special Relativity - General Consequences From : "Pmb" < Date : Mon, 25 Dec 2006 21:15:48 -0500 in message wrote in message There is a difference in opinion on this newsgroup as to what things are important in relativity. Some take those things which are represented by tensors as those things which are real and thus important. While others, such as myself, take those things which are observable and lend themselves to measurement as being real and thus important. The later are often the components of the former. It is widely held that it is the components that eventually get measured and which are generally used in calculations. As far as to what I personally believe are important consequences of SR are given in "Gravity from the Ground up," by Bernhard F. Schutz. They are listed on pages 187 to 191. They are 1) Nothing can travel faster than light. 2) Light cannot be made to stand still 3) Clocks run slower when they move 4) The length of an object contracts along the direction of motion 5) There is no universal definition of time and simultaneity 6) The mass of an object increases with speed Form the recent books and publications I have see, I get the

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