STR and GTR

homepage.univie.ac.at/Franz.Embacher/Rel/
The relativity pages of Prof. Franz Embacher, University of Vienna. A rich source ...

relativity.livingreviews.org 
Thanks to Clifford M. Will: A survey of the experimental tests of STR and GTR, 

galileo.phys.virginia.edu/classes/252/home.html
The nice lectures of Michael Fowler for a wide public

www.pBreitfeld.de
Peter Breitfeld's scriptum for SRT and ART (in German) can be downloaded here

www.einsteingalerie.de/index.html
A beautiful German Albert Einstein-page

math.ucr.edu/home/baez/physics/Relativity/SR/experiments.html
On the experimental tests of STR by Tom Roberts

math.ucr.edu/home/baez/physics/Relativity/SR/clock.html
Is time influenced by acceleration? Don Koks idea is that we need to introduce a special 'clock postulate' in STR to clarify this question. Experimentally the question seems to be settled.

www.tempolimit-lichtgeschwindigkeit.de
Enjoy the visualisations created by the team of Ute Kraus, University of Tübingen

www.sciencecartoonsplus.com/galeinstein.htm
A selection of Harris' Cartoons on Einstein

www.pbs.org/wgbh/nova/einstein/
The NOVA Einstein-page

www.zarm.uni-bremen.de
The page of the University of Bremen (Germany) and its free falling tower. Click on Research and Facilities

http://galileo.phys.virginia.edu/classes/252/
Michael Fowler's rich pages on 'modern physics'

members.tripod.com/conduit9SR
"The Dummies' Guide to Special Relativity" by Arfur Dogfrey, "Dog School of Mathematics"

www.jb.man.ac.uk/news/einstein
Michael Kramer and Andrew Lyne (University of Manchester) on their actual tests of GTR using the binary pulsars PSR J0737-3039A and -B . Title: "Einstein at least 99.5% right"

www.cco.caltech.edu/~phys1/java/phys1/Einstein/Einstein.html
Java-simulations on STR using Minkowski diagrams

www.adamtoons.de/physics/relativity.swf
Flash/Shockwave/... -animation on Epstein diagrams, gravitation may be turned on and off