41. The Relativity Of Space, Henri Poincare Full text of Poincare's 1897 popular explanation of his conception of space. http://www.marxists.org/reference/subject/philosophy/works/fr/poincare.htm

The Relativity of Space Source The Relativity of Space from (1897). The complete article reproduced here. I. IT is impossible to picture empty space. All our efforts to imagine pure space from which the changing images of material objects are excluded can only result in a representation in which highly-coloured surfaces, for instance, are replaced by lines of slight colouration, and if we continued in this direction to the end, everything would disappear and end in nothing. Hence arises the irreducible relativity of space. Whoever speaks of absolute space uses a word devoid of meaning. This is a truth that has been long proclaimed by all who have reflected on the question, but one which we are too often inclined to forget. If I am at a definite point in Paris, at the Place du Panthéon, for instance, and I say, "I will come back here tomorrow;" if I am asked, "Do you mean that you will come back to the same point in space?" I should be tempted to answer yes. Yet I should be wrong, since between now and tomorrow the earth will have moved, carrying with it the Place du Panthéon, which will have travelled more than a million miles. And if I wished to speak more accurately, I should gain nothing, since this million of miles has been covered by our globe in its motion in relation to the sun, and the sun in its turn moves in relation to the Milky Way, and the Milky Way itself is no doubt in motion without our being able to recognise its velocity. So that we are, and shall always be, completely ignorant how far the Place du Panthéon moves in a day. In fact, what I meant to say was

42. Special Relativity Special relativity. The enlarged images have the same resolution as the normal images. Special relativity Index. The Postulates of Special relativity. http://casa.colorado.edu/~ajsh/sr/sr.shtml

Special Relativity These pages are ok as far as they go, but they are missing the planned highlight, to show you what things actually look like when you travel at near the speed of light. I hope to have the opportunity to develop these pages further as time permits. Here is my opinionated Guide to Special Relativistic Flight Simulator Sites Meanwhile, these pages comprise an animated introduction to the elements of Special Relativity. Some of the fun stuff: Rotating 4D hypercube (46K GIF movie) Rotating spacetime wheel Here's the Lorentz-contracted cartwheel And don't miss Prasenjit Saha's Interactive Lorentz Transformations . These pages last modified 6 Feb 1999. Here's a site history Forward to The Postulates of Special Relativity Hey, get me back to Falling into a Black Hole Unless otherwise stated, clicking on images gives you enlarged versions thereof, which may be easier to view in a classroom environment. The enlarged images have the same resolution as the normal images. Special Relativity: Index The Postulates of Special Relativity The postulates of special relativity 1. The Geometry of Spacetime

43. Relativity And Black Hole Links Hole. Cartwheel icon A tour of Special relativity. COBE DMR icon Cosmology links. 2004). M84 STIS image, relativity and Black Hole links http://casa.colorado.edu/~ajsh/relativity.html

Andrew Hamilton's Homepage Falling into a Black Hole A tour of Special Relativity Cosmology links ASTR 3740 Homepage (Spring 2004) Relativity and Black Hole links: Chris Hillman's Relativity on the World Wide Web is a superb place to start. Greg Egan's Foundations offers an accessible introduction to relativity. Spacetime Wrinkles , a relativity exhibit. Space Telescope Science Institute for pics from Hubble Space Telescope Astronomy Picture of the Day , such as LMC X-1 Here or here for art from HEASARC (High Energy Astrophysics Science Archive Research Center). HEASARC's Imagine the Universe educational resource includes information about black holes. Exosat x-ray images Alan Bridle's radio images of Radio Galaxies and Quasars Gravitational Lensing Homepage. Max-Planck-Institut fur Astrophysik Gravitational Lensing Page. Pete Newbury's gravitational lensing demos Movies from the NCSA (National Center for Supercomputing Applications). Michael Owen's High Mass X-Ray Binary Page. NCSA-Potsdam-Washington University Relativity Page. Cambridge Relativity Homepage.

44. Short Words To Explain Relativity Reflections on relativityReflections on relativity. Contents Preface 1 1. First Principles 1.1 Experience and Spacetime 3 1.2 Systems of Reference 9 1.3 Inertia http://www.muppetlabs.com/~breadbox/txt/al.html

Albert Einstein's Theory of Relativity In Words of Four Letters or Less So, have a seat. Put your feet up. This may take some time. Can I get you some tea? Earl Grey? You got it. Okay. How do I want to do this? He did so much. It's hard to just dive in. You know? You pick a spot to go from, but soon you have to back up and and go over this or that item, and you get done with that only to see that you have to back up some more. So if you feel like I'm off to the side of the tale half the time, well, this is why. Just bear with me, and we'll get to the end in good time. Okay? Okay. Let's see.... [ I ] Say you woke up one day and your bed was gone. Your room, too. Gone. It's all gone. You wake up in an inky void. Not even a star. Okay, yes, it's a dumb idea, but just go with it. Now say you want to know if you move or not. Are you held fast in one spot? Or do you, say, list off to the left some? What I want to ask you is: Can you find out? Hell no. You can see that, sure. You don't need me to tell you. To move, you have to move to or away from ... well, from what? You'd have to say that you don't even get to use a word like "move" when you are the only body in that void. Sure. Okay.

45. Welcome To OYYZZ1.com The search for meaning and truth through philosophy, religion, science, and metaphysics. The reader is warned that it may be a tedious process to learn to understand the author. http://www.oyyzz1.com/

WELCOME TO OYYZZ1.com Reflections on the Meaning of Life New! The Secret Teachings of Christ Recent Additions! ©2003-2004 Thomas Theodore Welborn No part of this Website may be reproduced, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without written permission from the author. Search for:

46. Reflections On Relativity Reflections on relativity. Return to MathPages Main Menu http://www.mathpages.com/rr/refrel2.htm

Reflections on Relativity Return to MathPages Main Menu Reflections on Relativity Return to MathPages Main Menu

47. Hyperspace GR Hypertext Note that we also keep a list of temporary addresses for people on the move. Other relativity Web Sites. The General relativity News Archives. http://www.maths.qmw.ac.uk/hyperspace/

Welcome to HyperSpace! This service is sponsored by the International Society on General Relativity and Gravitation Welcome to the HyperSpace service at QMW, a set of hypertext based services for general relativity research provided by the QMW Relativity group, based on a similar service at the University of British Columbia. Software is by Steve Braham We have the following: Software for finding GR (e)mail addresses GR News Archive Our GR related FTP archives Preprint searches in the LANL archives ... Services of interest Address searches Here we have a nifty forms-based program, GR, that searches a list of e-mail and snail mail addresses important to the GR community. It has many personas that cross-reference each other in an intelligent way so that searching is made easy. It also gives links to various preprint databases. We have the following: GR the full forms-based program or you can access a simple version of each persona if you do not have forms support: GR/people Finds the e-mail and snail mail addresses of people in the GR community. GR/journal Finds the e-mail and snail mail addresses of journals and GR research groups.

48. 4C - The Relativity Of Ones Perception Essay by Lourens Hupkes. http://www.4c.com.br/h_hupkes_i.htm

The relativity of ones perception In Judaism it is told that to hear is standing in opposite of the other senses and that hearing is the quintessence. One explains further that the hearing is not only the hearing of the spoken word, but hearing in all ways. That is why one says: Salomo understands the language of the animals as well as the language of the plants. This does not mean that he understands the crowing of the cock, but he is able to hear something that maybe not at all in this way is expressed. The profets for instance do hear a voice also. And here one says about: this does not necessarily go together with sound in the way of our speech. They can hear that voice without any sound! If that very voice is heard, then it is hocus-pocus and that should be ignored. That voice is heard in another way. The Jiddish language expresses this in a special way. Jiddish is a kind of dialect from middle-age German which was spoken by the Jews who were expelled from Germany or fleeing at the time of the 'Black Death'(1300). They were admitted 'en masse' in then at that time Kingdom Poland and they took the middle-age German with them and this language has itself maintained there in the Jewish society. It has assimilated in the course of time some Slav and Hebrew words. In that Jiddish there is a difference between 'herren' of the German 'hoeren' that is hearing of a sound, and 'der herren' that signifies hearing in an other way. This word is used when for instance someone is telling that he has made the voyage through the 'Hechalos', that is the palaces (in modern terms one could say a voyage in meditation). One has left this world here and one has entered the palaces of the other realm.

49. Howstuffworks "How Special Relativity Works" A fascinating article that helps you to understand the basics of special relativity! Main Science Physical Science How Special relativity Works. http://science.howstuffworks.com/relativity.htm

ComputerStuff AutoStuff ElectronicsStuff ScienceStuff ... PeopleStuff Top Subjects Car Engines Lock Picking Nuclear Bombs Tattoos ... Gas Turbine Engines Sponsored By: Categories Earth Science Engineering Life Science Military ... Browse the Science Library Explore Stuff Lidrock.com Big List of Articles Get the Newsletter Shop or Compare Prices ... Search HSW and the Web Search Google Main Science Physical Science How Special Relativity Works by John Zavisa Table of Contents Introduction to How Special Relativity Works 1.0 - The Fundamental Properties of the Uni... 2.0 - Special Relativity 3.0 - Fun with the Special Theory of Relati... Conclusion Shop or Compare Prices 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

50. Mechanics And Special Relativity Introduction to Lagrangian mechanics, Noether's theorem, special relativity, collisions and scattering, rotational motion, angular momentum, torque, the moment of inertia tensor, oscillators damped and driven, gravitation, planetary motion, and introduction to cosmology http://www.courses.fas.harvard.edu/~phys16/

Fall 2003 Handouts Lectures Assignments eMailbag ... Textbook Physics 16 Mechanics and Special Relativity Howard Georgi Meeting time: TTh 10:00-11:30 Exam group: 12, 13 Catalog number: 2019 Announcements There are no announcements for today. Final Exam for PHYSICS 16 will be held on 1/22/2004 at 2:15 p.m.. I will post corrections to the take-home exam as they come in to Exam-Corrections in the handouts folder, and will update the online version every so often. Course info for 2003 in the handouts folder. Office hours: WHO WHEN WHERE Howard Georgi schedule on the web Michelle Cyrier Tues 9-10am Greenhouse Cafe (Sci Cent) David Le Sage Mon 5-6PM Jefferson 264 Georgios Pastras Wed 8-11PM Leverett dining hall Newtonian mechanics and special relativity for students with good preparation in physics and mathematics at the level of the advanced placement curriculum. Topics include an introduction to Lagrangian mechanics, Noether's theorem, special relativity, collisions and scattering, rotational motion, angular momentum, torque, the moment of inertia tensor, oscillators damped and driven, gravitation, planetary motion, and an introduction to cosmology. Web contact: Howard Georgi URL: http://www.courses.fas.harvard.edu/~phys16/

51. Theory: Special Relativity Theory Special relativity. Newton s laws of motion give Theoretical Basis for Special relativity. Einstein s theory of special relativity http://www2.slac.stanford.edu/vvc/theory/relativity.html

Special Relativity Newton's laws of motion give us a complete description of the behavior moving objects at low speeds. The laws are different at speeds reached by the particles at SLAC. Einstein's Special Theory of Relativity describes the motion of particles moving at close to the speed of light. In fact, it gives the correct laws of motion for any particle. This doesn't mean Newton was wrong, his equations are contained within the relativistic equations. Newton's "laws" provide a very good approximate form, valid when v is much less than c . For particles moving at slow speeds (very much less than the speed of light), the differences between Einstein's laws of motion and those derived by Newton are tiny. That's why relativity doesn't play a large role in everyday life. Einstein's theory supercedes Newton's, but Newton's theory provides a very good approximation for objects moving at everyday speeds. Einstein's theory is now very well established as the correct description of motion of relativistic objects, that is those traveling at a significant fraction of the speed of light. Because most of us have little experience with objects moving at speeds near the speed of light, Einstein's predictions may seem strange. However, many years of high energy physics experiments have thoroughly tested Einstein's theory and shown that it fits all results to date.

52. The Relativity Of Biblical Ethics Joe Edward Barnhard argues that the Bible itself exemplifies moral relativism. http://www.positiveatheism.org/writ/bibethics.htm#BIBETH

Clinton is not an adulterer by Larry Judkins Religion Page Editor Sacramento Valley Mirror Index: Atheism and Awareness (Editorials) Home to Positive Atheism I know, I know! After reading that headline, you think I'm a rabid Democrat who's in denial about President Clinton's extramarital affairs. Actually, long before Mr. Clinton's own admissions, I accepted as true the allegations of both Monica Lewinsky and Gennifer Flowers. I have also never doubted Paula Jones or Kathleen Willey. So how, then, can I maintain that President Clinton is not an adulterer? Simple. From a biblical perspective or at least an Old Testament perspective he has not committed adultery. Remember that in Old Testament times, polygamy and concubinage were perfectly acceptable institutions, and no "sin" or immorality was associated with them. Generally speaking, men could have as many women as they could acquire. A man was considered an adulterer only if he had sexual relations with another man's wife. If a married man had sex with an unmarried woman, he was not guilty of adultery. Thus, King David was an adulterer only because of his relationship with Bathsheba, the wife of Uriah the Hittite. His many other legally acquired wives and concubines did not make him guilty of adultery.

53. UT Austin, Center For Relativity Home Page The Center for relativity. Dept. of Physics, The University of Texas at Austin, Austin TX, 787121081 (512) 471-1103 (Main Office) (512) 471-0890 (FAX) http://wwwrel.ph.utexas.edu/

The Center for Relativity Dept. of Physics The University of Texas at Austin , Austin TX, 78712-1081 (512) 471-1103 (Main Office) (512) 471-0890 (FAX) Personnel Phone List Brief Research Description Preprints and Papers incl. GC Toolkit FTP Site Comments or Suggestions Physics 387M Course Homepage

54. GWDG: Webseite Nicht Gefunden A photograph and cartoon accompany this outline of a book by Klaus Hentschel on the tower and its architect. http://www.gwdg.de/~khentsc/frewerb.html

Webseite nicht gefunden Liebe Leserin, lieber Leser! Bitte verwenden Sie die Navigationselemente in den Rubriken Aktuell GWDG Service oder die Volltextsuche bzw. den alphabetischen Index Das WWW-Team WWW-Team

55. HSAA Chapter 10 Table Of Contents A collection of equations important to both special relativity and general relativity. http://ads.harvard.edu/books/hsaa/chap10.html

Chapter 10 Relativity Links to WWW resources Special relativity......................................... Lorentz transformation..................................... 4-Vector transformation................................... Examples of 4-vectors..................................... 2nd rank tensor transformation............................ Electromagnetic field strength tensor..................... Covariant formulation of Maxwell's equations.............. Lorentz force............................................. Cosmology.................................................. Robertson-Walker line element............................. Einstein field equations.................................. Friedmann universes....................................... Bibliography............................................... Return to Table of Contents

56. Accueil The principle of the relativity of energy applied to unit systems, to electrostatics and magnetism, will give us a unified vision of the electromagnetic fields. http://perso.wanadoo.fr/j.p.serodino/Anglais/welcome.htm

Cette présentation comporte : An english version. Un résumé donnant un bref aperçu de la totalité des chapitres de notre travail. Un résumé de chacun des chapitres permettant d'obtenir une idée plus précise de notre théorie. Une étude détaillée des principaux points développés dans notre théorie. Cette page utilise des cadres, mais votre navigateur ne les prend pas en charge.

57. Lecture Notes On General Relativity Lecture Notes on General relativity. Try the NoNonsense Introduction to General relativity, a 24-page condensation of the full-blown lecture notes. http://pancake.uchicago.edu/~carroll/notes/

Lecture Notes on General Relativity Sean M. Carroll (gravitational waves disturbing a black hole, from NCSA This set of lecture notes on general relativity has been expanded into a textbook, Spacetime and Geometry: An Introduction to General Relativity , available for purchase online or at finer bookstores everywhere. About 50% of the book is completely new; I've also polished and improved many of the explanations, and made the organization more flexible and user-friendly. The notes as they are will always be here for free. These lecture notes are a lightly edited version of the ones I handed out while teaching Physics 8.962, the graduate course in General Relativity at MIT , during Spring 1996. Each of the chapters is available here as uncompressed postscript, but see next paragraph. (Need a postscript previewer ?) Constructive comments and general flattery may be sent to me via the address below. Dates refer to the last nontrivial modification of the corresponding file (fixing typos doesn't count). The notes as a whole are available as gr-qc/9712019 Other formats: if you don't like postscript, the notes are

58. Tensors And Relativity A complete online course in tensors and relativity http://vishnu.mth.uct.ac.za/omei/gr/

59. Departure Technologies Software tool which allows you to visualize and interactively explore your extended family tree. http://www.DepartureTechnologies.com

60. Kluwer Academic Publishers - General Relativity And Gravitation http://www.kluweronline.com/issn/0001-7701/contents

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