DrGreg Science Advisor Gold Member Messages 2,480 Reaction score 2,231 May 28, 2008 #31 bernhard.rothenstein said: Thanks. Do you know a derivation of the invariance of the space-time interval In case you never saw it (or forgot), take a look at my post here (due to Bondi).
bernhard.rothenstein said: Thanks. Do you know a derivation of the invariance of the space-time interval In case you never saw it (or forgot), take a look at my post here (due to Bondi).