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         Relativity:     more books (100)
  1. Relativity, Thermodynamics and Cosmology by Richard C. Tolman, 1987-07-01
  2. Theories of Relativity by Barbara Haworth-Attard, 2005-09-01
  3. Selections from The Principle of Relativity (On the Shoulders of Giants) by Albert Einstein, 2004-12-31
  4. General Theory of Relativity by P. A.M. Dirac, 1996-01-08
  5. Six Not-So-Easy Pieces - Einstein's Relativity, Symmetry, and Space-Time
  6. The Special Theory of Relativity by David Bohm, 1965
  7. Physical Relativity: Space-Time Structure from a Dynamical Perspective by Harvey R. Brown, 2007-12-15
  8. Simply Einstein: Relativity Demystified by Richard Wolfson, 2003-11
  9. An Introduction to General Relativity and Cosmology by Jerzy Plebanski, Andrzej Krasinski, 2006-08-14
  10. Special and General Relativity: With Applications to White Dwarfs, Neutron Stars and Black Holes (Astronomy and Astrophysics Library) by Norman K. Glendenning, 2007-04-20
  11. It's About Time: Understanding Einstein's Relativity by N. David Mermin, 2005-09-12
  12. Relativity and Geometry (Dover Books on Mathematics) by Roberto Torretti, 1996-04-02
  13. Exploring Black Holes: Introduction to General Relativity by Edwin F. Taylor, John Archibald Wheeler, 2000-07-12
  14. Special Relativity: From Einstein to Strings by Patricia M. Schwarz, John H. Schwarz, 2004-05-10

81. Lecture Notes On General Relativity
General relativity This homepage contains lecture notes on the course of general relativity FX2/H97 read in the fall semester 1997 at the Physics Institute of
General Relativity
This homepage contains lecture notes on the course of general relativity FX2/H97 read in the fall semester 1997 at the Physics Institute of NTNU, Trondheim. Some parts were added later. It is still under construction (see the dates of last revision of each chapter). Some viewers do not allow to see the PS-files on the screen. However, you can download it (using the 'save'-command) and print it on a PostScript printer.

Special relativity

Basic concepts of general relativity

Spherically symmetric spacetimes

A supplementary text on lower level can be found in lecture notes on cosmology which was read in the fall semester 1999 as a part of another course. To get more information contact, please, the author.
Readers may find interesting also other web-pages on general relativity referred at Hillman's list and Syracuse University list
Petr Hadrava, Astronomical Institute of the Academy of Sciences of the Czech Republic, 251 65 Ondrejov, Czech Republic tlf.: +420 204 620 141

82. SimScience - An Introduction To Simplicial Quantum Gravity
Contains introductory material on quantum mechanics and relativity and outlines one method of combining the two theories.
An introduction to simplicial quantum gravity
About three hundred years ago Isaac Newton wrote down rules describing the mechanics of moving objects. He also described gravity as a force that pulls massive objects together. Isaac Newton (1642-1727) We know today that Newtonian physics is really only an approximation that works well in almost every situation that we encounter in everyday life. We can use these rules to describe exactly how a baseball will travel when thrown. We know how to use Newton's laws so well that we can launch a rocket, and give it exactly the right amount of thrust so that it can coast to Jupiter, a planet only 90,000 miles across, but millions of miles distant from earth and orbiting at 30,000 miles per hour. This approximation is not good enough in some situations. If I want to describe the behavior of things on a very small scale, such as the motion of an electron around an atom, I cannot use the same Newtonian rules that I use to describe the motion of a baseball thrown across the infield. For really small-scale physics, I must use a new set of rules proposed in the early 1900's. These rules are called quantum mechanics There is another situation when Newtonian mechanics is not good enough. That is when we want to describe the motion of objects near very large masses like stars and whole galaxies. In these situations we must use another theory developed in the early 1900's, Albert Einstein's

83. Theory Of Analytical Space-Time
Theory of everything that unifies relativity and quantum mechanics.
Free Web site hosting - Web Hosting - Choose an ISP NetZero High Speed Internet ... Dial up $14.95 or NetZero Internet Service $9.95 Welcome to the Site of Analytical Space-time! A new theory that fundamentally unifies
and Quantum Mechanics in Chapter 2 Keywords: s pace, time, wave, deflection, rotation, black hole, gravitation, fundamental, unified theory, Lorentz transformation, cosmology, analytical, tast, astronomy, string We understand the world by learning and discovering the regularity in our experiences. There are two kinds of regularity, mechanical laws and statistical order. It is Theory of Analytical Space-Time that combines the both theoretically! Now that the new theory, as commented in a special physics review, has allowed us to see the aureole of God through the general effect of deflection or rotation of space-time, would it lead us to see the true face of God or comprehend the mind of God? Turn the key, you open the door. Chapter 1 Chapter 2 Best for IE5.X and 800*600 resolution Download PDF format in English only In case you can not access this website again or the webpages show too slowly, please try the master-site instead:

84. Virtual Trips To Black Holes And Neutron Stars Page
Here you will find descriptions and MPEG movies that take you on trips to black holes and neutron stars. These movies are scientifically accurate computer animations using Einstein's General Theory of relativity.
Virtual Trips to
Black Holes and Neutron Stars
by Robert Nemiroff ( Michigan Technological University Ever wonder what it would look like to travel to a black hole? A neutron star? If so, you might find this page interesting. Here you will find descriptions and MPEG movies that take you on such exciting trips. These movies are scientifically accurate computer animations made with strict adherence to Einstein's General Theory of Relativity. The descriptions are written to be understandable on a variety of levels - from the casually curious to the professionally inquisitive. It is hoped that students from grade school to graduate school will find these virtual trips educational. "A stimulating, relativistically accurate trip!"
- Kip Thorne
The Feynman Professor of Theoretical Physics, California Institute of Technology, Author of "Black Holes and Time Warps - Einstein's Outrageous Legacy" Earth if compressed to ultracompact density and viewed from the photon sphere.
Written Description of Visible Distortion Effects
Below is a published paper understandable to undergraduates: "Visual Distortions Near a Black Hole and Neutron Star," Nemiroff, R. J. 1993, American Journal of Physics, 61, 619

85. Gravity Probe B
Gravity Probe B is the relativity gyroscope experiment being developed by NASA and Stanford University

86. D.-E.Liebscher Relativity Cosmology Geometry
Herr Liebscher bietet einige Resourcen zu Relativit¤t und Kosmologie an.




... Public last change later than 2003, September 8
Prof. Dr. sc. nat. Dierck-Ekkehard Liebscher
Relativity Cosmology Geometry
eMail (+49-331-)7499-231 (phone), -352 (Fax)
last changes later than February 23, 2004
Large Binocular Telescope (LBT)

mit dem Hotel Mercure in Potsdam und der Sieg der projektiven Geometrie: Movies
Personalia ... Posters and Toys Quotations Magnesium Kopfschmerzen? Unruhe? Tanz - Dancing LTV Brandenburg Physik des Walzers mit Kommentaren Opernball '04 For writing this page the first time, I used the method of His Majesty Juan Carlos of Spain: I asked my son. So the page was first written November 29, 1995 by Stefan Liebscher. Changing things was not so difficult: The date when I last modified the page you find in the title.

87. To Understand Relativity
TO UNDERSTAND relativity = You are travelling in a rocket at 200,000 km/sec, and you send, in your movement s direction, a projectile
You are travelling in a rocket at 200,000 km/sec, and you send, in your movement's direction, a projectile that, seen from the earth, propagates at 250,000 km/sec.
Does it mean that, if you measure the speed of the projectile from the rocket, your measures will give 50,000 km/sec?
It's not sure at all.
To calculate the speed of the projectile, that is the distance covered by unit of time, you will have to use some instruments to measure the distance (a ruler) and the time (a clock).
Let's take a simple clock, made of a light ray going on and back between two mirrors, distant of 1.5 meter. One second corresponds to 100,000,000 rebounds.
You install this clock in the rocket so that the light ray propagates perpendicularly to the rocket's trajectory.
For the ruler, it's a little more complicate, since the projectile moves outside the rocket.
You find the following solution: before sending the projectile, you send a mirror (M) provided with a small motor before the rocket. You follow the progression of the mirror with the help of a light signal. When the signal will take 1/3 second to go to the mirror and come back, you will know that the mirror will be at 50,000 km. 1/6 of second before this moment, you send a signal starting the motor of the mirror in order to stop it (we suppose the motor reacts instantaneously).
Then you control that the mirror remains stationary at this distance.

Relativistic Optics at the ANUSeeing relativity, If the speed the videos. Download Visualising Special relativity (9 Mb RealPlayer). Visualizing Special relativity, 7

89. Welcome To Foundation Physics
This work is based on an elementary particle, the PParticle, and includes amongst other topics, discussions of relativity, origin of background radiation, nature of black holes and the nature of light.
Foundation Physics: Preface: This work is based on an elementary particle, termed the 'P-Particle', which is first postulated to be the fundamental constituent of all matter present in the universe. The particle is defined by several axioms and can be regarded as being the quantum of matter. Just as energy is quantised, and energy and mass are interchangeable, then on this basis the idea of mass being quantised is first assumed and subsequently verified. It is subsequently shown that this particle can be identified with the neutrino. From this model, a large number of results are derived which potentially shed a new light on aspects of physics ranging from classical Newtonian mechanics and relativity to quantum mechanics and particle physics. Amongst the topics included are:
  • Solutions to the Einstein-Friedmann equations A detailed evaluation of Schwartzchild and rotating black holes The expansion of the universe and its nature Dark matter The nature of light Background radiation and its origin

Bijan Yavari
In order to view the following you may need to install adobe acrobat reader which you may obtain from here
Foundation Physics - Part 1
Foundation Physics - Part 2 Foundation Physics - Part 3

90. Einstein's Theory Of Relativity
Learn about Einstein s Theory of relativity Online. Find out how the universe began and how it will end. Theory of relativity. What are black holes?
Theory of Relativity What are black holes? What does E=mc mean? How did the Universe begin? How will it end? How is the twin paradox resolved? Learn about Einstein's Theory of Relativity online and find the answers to these questions about the fundamental nature of matter and energy in the Universe. To find out more about the class, go to the Syllabus
For a list of suggested readings, click here: Readings
Worried about math? Fear not, and click here: Math
Get fun, but useless, stuff at the Relativity Store Register for the class at Seattle Teachers College Rated for content by
Internet Content Rating Association

Made with 100% recycled materials.
No electrons were destroyed to make this website. DrPhysics Home Syllabus Readings Math ... Physics Links E-mail the instructor at
(Hubble Deep Field graphic courtesy of NASA , 1996). For more information about this image, click here

91. Space And Time
Course based on Stephen Hawking's best selling book, A Brief History of Time . The course deals with topics in modern physics such as Einstein's Special Theory of relativity, Quantum Theory, Black Holes and the Creation of the Universe.
Welcome to the homepage for Physics 127: Space and Time. This course is based on Stephen Hawking's best selling book, "A Brief History of Time". The course deals with exciting topics in modern physics such as Einstein's Special Theory of Relativity, Quantum Theory, Black Holes and the Creation of the Universe. Paul Hewitt's text "Conceptual Physics" is also used to fill in details about basic physics concepts such as energy, momentum, wave motion, atomic and nuclear physics that are necessary in order to understand the ideas in Hawking's book. You can read the syllabus by clicking here.
A term project is required for this course. The purpose of the project is to help you to relate the ideas encountered in the course to your own interests, hobbies or professional goals. Details about this project can be obtained by clicking on the highlighted text.
Here are some links to other web pages that may help you to learn about some of the ideas discussed in this course: Stonehenge This page contains several photos of the Stonehenge monument taken by Dr. Hickey in the Fall of 1999. Views of the Universe . This page and the dozen or so pages that follow it contain lots of background about the geocentric and heliocentric models of the universe. There is also a wealth of information about Kepler, Galileo, Newton, etc.

92. Twistor Web
A new approach pioneered by Roger Penrose, starting with conformallyinvariant concepts, to the synthesis of quantum theory and relativity. Some papers on-lin.

93. Unit 57
THE GENERAL THEORY OF relativity. Written for students in the USC Selfpaced Astronomy courses. Essay on the General Theory of relativity. by John L. Safko.
Written for students in the USC Self-paced Astronomy courses
NOTE: This Unit assumes you have studied Unit 56.
The Learning Objectives and references are in the Self-Paced Study Guide
Essay on the General Theory of Relativity
by John L. Safko
A. General Principle of Covariance (or Only the Tides are Real)
Consider yourself in an elevator. You cannot see outside, so you must determine the nature of the surrounding universe by local experiments. You let go of a coin and it falls to the bottom of the elevator. Aha!, you say, I am at rest on Earth. But, you could be in a spaceship that is accelerating and far from any other object. This is shown in Fig. 57-1. Fig. 57-1:
Locally being at rest on the Earth's surface is equivalent to being in a uniformly accelerated spaceship. Consider the opposite case. You float from the floor and the coin does not fall when you release it. Aha!, you say again, I am in space far from any other body. But, you could be freely falling towards the Earth as shown in Fig. 57-2. Fig. 57-2:

94. Welcome To UHyperspace
Articles about the Universe, Cosmology, Quantum Mechanics, relativity collection of some FAQ's.
var cm_role = "live" var cm_host = "" var cm_taxid = "/memberembedded"
The Universe Articles Structure


Quantum Mechanics
Faq's Astrophysics



Why is our Universe the way we see it to be? And what will ultimately become of it? These are two fundamental questions which have long interested humankind. In the more than 70 years since the discovery that that the Universe is expanding, we have made some significant steps in understanding how the Universe began and how it must have evolved to be what it is today. We know this: galaxies and clusters of galaxies formed from tiny fluctuations in the early Universe. We can measure these fluctuations by mapping the cosmic background radiation and relate them to the structures which we observe today. However, many challenges remain such as:
What is the Age of the Universe? - or - How Fast is the Universe Expanding?
In the 1920s

95. Arcusuniverse - Arcun - Uncertainty & Relativity
Best solutions for hierarchical system of matter in cosm, world formula, wave mechanics bound with relativity, chat about it, downloads of articles and cohesions
web hosting domain names email addresses ARCUS The Arcusuniverse - The Solution Hier: Here in English, too:

web hosting
domain names web design
online games
... online casino

96. SFB 382 D4 - Virtual Relativity
D4). This project deals with the visualization of special and general relativity. virtual relativity. welcome to virtual relativity, Virtual
project d4 special relativity virtual relativity general relativity gallery publications contact
virtual relativity
welcome to virtual relativity "Virtual Relativity" has been developed by Daniel Weiskopf . It is part of the project D4 within the Sonderforschungsbereich 382 . The work is supported by Prof. Dr. Hanns Ruder Theoretical Astrophysics and Computational Physics at the . The project is in cooperation with RUS (Computing Center at the University of Stuttgart)
theoretical background The appereance of fast moving objects can be calculated according to the Theory of Special Relativity. In addition to the Lorentz contraction the effects of finite light speed and aberration play an important role. There already exist systems with relativistic ray tracing and polygon rendering. "Virtual Relativity" has implemented following improvements:
  • Transformation and rendering in real-time User interactive environment
For a more detailed presentation see the Vismath 97 paper
software Free download: An early beta version of "Virtual Relativity" is available for Silicon Graphics, Windows 9x, and Windows NT workstations. Implementation for Linux will follow.
pictures and movies Check out the picture and movie gallery
Last modified 18 August 1999
by Daniel Weiskopf

97. E.R.E. 2001
This is the site for the Spanish relativity Meeting 2001 which will be held in Madrid at the Polytechnical University from 1821 September 2001. The main topic will be Relativistic Astrophysics.

98. Avshalom C. Elitzur àáùìåí àìéöåø
Senior Lecturer, BarIlan University. Includes an autobiography, a curriculum vitae, and a list of publications in quantum mechanics, relativity, thermodynamics, evolutionary theory, philosophy of mind and psychoanalysis.
Avshalom C. Elitzur
Research Interests
Physics: Quantum measurement, Nonlocality, Thermodynamic and other time-asymmetries, Foundations of physics.
Biology : Applications of thermodynamics and information theory to evolutionary processes, Biological complexity.
Psychology : Suicide prevention, Empirical research of psychoanalysis, Humor, Religious experiences, Causation of psychopathology.
Philosophy : The mind-body problem, Consciousness and causality, Environmental ethics.
Click on the menu on the left to see more
You are visitor Number: courtesy of

99. Particles, Special Relativity And Quantum Mechanics
Particles, Special relativity and Quantum Mechanics. relativity and Quantum Mechanics Contents The Barn and the Pole. Updated 4AUG
Particles, Special Relativity and Quantum Mechanics
Main Physics Contents page
Special Relativistic Paradoxes
Relativity and Quantum Mechanics Contents The Barn and the Pole
Updated 4-AUG-1992 by SIC
Original by Robert Firth
Paradoxes Contents These are the props. You own a barn, 40m long, with automatic doors at either end, that can be opened and closed simultaneously by a switch. You also have a pole, 80m long, which of course won't fit in the barn. Now someone takes the pole and tries to run (at nearly the speed of light) through the barn with the pole horizontal. Special Relativity (SR) says that a moving object is contracted in the direction of motion: this is called the Lorentz Contraction. So, if the pole is set in motion lengthwise, then it will contract in the reference frame of a stationary observer. You are that observer, sitting on the barn roof. You see the pole coming towards you, and it has contracted to a bit less than 40m. So, as the pole passes through the barn, there is an instant when it is completely within the barn. At that instant, you close both doors. Of course, you open them again pretty quickly, but at least momentarily you had the contracted pole shut up in your barn. The runner emerges from the far door unscathed. But consider the problem from the point of view of the runner. She will regard the pole as stationary, and the barn as approaching at high speed. In this reference frame, the pole is still 80m long, and the barn is less than 20 meters long. Surely the runner is in trouble if the doors close while she is inside. The pole is sure to get caught.

100. Special Relativity
Special relativity. In this Chapter we will show how Einstein s Theory of Special relativity arises basic postulates about the laws of Physics.
Next: The Postulates of Special Up: Physics 1501 - Modern Previous: Questions
Special Relativity
In this Chapter we will show how Einstein's Theory of Special Relativity arises basic postulates about the laws of Physics. We will then derive some of the more intriguing consequences of the theory, such as time dilaton, length contraction and the famous formula E mc

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