Explorer---Thanks for the reference. But do you happen to know off hand if in Relativety, if going forward or backwards in time is a 'perspective' thing, or if it is a 'reality' thing?
Einstrein, or no Einstein...it seems hard to fathom that if you were blindfolded on earth (so the speed of light factor doesn't influence what you are seeing), and then put in a space ship and sent deep into space exceeding the speed of light, and returned at this speed (still blindfolded), and you got out of the space ship and went home (still blindfolded) and you took off your blindfold....my guess is that you neither went forward or backwards in time to any big degree.
My reasoning is thus: Light travels at 186,000 mps. You traveled 372,000 miles round trip at twice the speed of light. I say that time went forward by 1 second. (If you went at the speed of light, it would have been 2 seconds. Now suppose your traveled distance was 1000 times greater. You would arrive home in 500 seconds (about 8 minutes), instead of the 16 minutes that you would have if you went at the speed of light.
So WHAT that your travel took less time. So then... what is the significance of THIS? It be like comparing taking one trip on a train...then retaking the same trip by jet. What does this have to do with 'going forward' or backward in time?
As far as *I* see it, no matter how fast you go, time would go forward. If you traveled at even a nearly infinite fast speed (say zillions of miles per second)...time would still have gone forward...a teensy...but forward nonetheless. Why would this affect you, or your thinking about what the time SHOULD be, when you got back. If you knew you were traveling fast, wouldn't you simply expect to arrive super fast?
I just don't get this stuff. Even when I read what doctors of science/astronomy say about this (like in Discover magazine), it sounds like gibberish. I just can't get my mindset to see it different from what I posted above.
And...to actually go forward or back in time, has nothing to do with 'perspective'. It would be a reality thing.