Recent content by EMR

This question is from Arthur Mattuck's "Introduction to Analysis", chapter 5, problem 5-7. Homework Statement Define a sequence recursively by a_{n+1}=\sqrt{2a_{n}}, a_{0}>0. (a) Prove that for any choice of a_{0}>0, the sequence is monotone and bounded. Homework Equations None...

Thanks for the speedy reply :smile: If this is the case (that both observers see each others time and length being dialated and it is just not an illusion), then how can Gott say that traveling near the speed of light can be used as a time-travel device to the future? If the astronaut sees...

I am completely new to the ideas of reletivity, not to mention this forum, and I'm exploring this field independently (I'm only in first year...), so please forgive me if this is already an established theory. I just started reading J. Richard Gott's book Time Travel in Einstein's Universe (I...