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Pastimes : Ask God -- Ignore unavailable to you. Want to Upgrade?

To: Raymond James Norris who wrote (17148)	6/6/1998 12:24:00 PM
From: Gregory D. John	Respond to of 39621

Raymond, Thank you for the response. I think within the Einstein model, there is no possibility of a macroscopic object (hmmm... actually any object with mass) going faster than the speed of light in a vacuum, so there is no possibility of time travel of objects with mass. I could be way off here... so please correct me if I'm wrong. Personally, in the realm of science fiction (which may be science fact some day), I like to think of time travel as not really going back in time, but going to another time line. So if I "go back in time" and meet Lincoln, the Lincoln I meet is not the Lincoln of my "original" time line. So anything I do in that time line affects only that time line. The question is whether you can ever return to your "original" time line without creating a paradox. Lets look at a sequence of events abcdefghijklmnopqrstuvwxyz in my "original" time line. Suppose there exist three parallel time lines, and my "original" time line is the middle one: abcde bcdef cdefg I've just taken a segment from each. Suppose I can travel only straight up, stright down, or to the right. Straight up would be travel "back in time"; straight down would be travel "ahead of time"; and to the right would be travel "with time". Let's say I'm at f (in the middle) and I am able to "time travel", so I go up (back in time), to e (the top row). I may have forever changed this time line now: abcdeFGHIJ bcdefghijk cdefghijkl I travel along my new time line to J and "time travel" into the future back to my "original" time line, to k (in the middle). I look back at the history of my "original" time line and see that it's different from the time line from which I just came (the top one). Similarly, I could go ahead in time (to the bottom time line) and change it without altering my "original" time line. But... what if I go ahead in time from k (in the middle) to l (on the bottom) and see that history up to k (on the bottom) is identical to history up to k (in the middle). abcdeFGHIJKLMN bcdefghijklmno cdefghijklmnop Could I go back fast enough to my "original" time line to l from m so that I could use the data of the bottom time line... like pick the winning lottery numbers? :-) If you can only change the future of your current time line... are there still paradoxes? Greg