dude...saro halla2 3am yeshteghlo 3al 13 repère mish only (x,y,z)
as god said,it's pretty logical..time travel can occur but u should note that : when the speed of som1/something becomes equal to the speed of light,hal rapport

bi sir 0.this means Delta t'=0 ya3ne the universe is 0, ya3ne 3amalian bi sir fik tkoun wein ma baddak se3it ma baddak
i know it's hard to believe but It's LOGICAL
CHECK this btw
http://fr.wikipedia.org/wiki/Dilatation_du_temps (french version)
and about getting backward in time as god said it soo difficult
cheers...
OH and By the way i'm talking pure physics manne 3am be5teri3 chi
