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Originally posted by Sator
Think about this: You go back to the past... You meet your grandfather when he was 10 years old. You kill your grandfather. Your grandfather never gets married and never gets a son. You father never 'gets born'. You never exist. So who kills your grandfather?
Originally posted by Sator
If time travel IS possible then by logic we cannot change our present by altering the past. Period.
Originally posted by timelike
... i.e you can go back in time, but when you change things, you're now part of a different future, since you have just changed it.
Originally posted by Sator
How will you 'be part of a different future'?
Let's get back to my example then. According to your statement if you go back in time and kill your grand-father before he even gets a son then you come back to 2007 (pretending this is the year that you 'left' and went to the past) then in 2007 the whole world would not even know your father?
Originally posted by Sator
I believe time is not a line.. but looks somewhat like 'tree branches'... IF (and this is a big if) time travel is possible then we cannot change present by altering the past. We'll simply create another 'branch' in time tree. Because of the paradox.
Originally posted by Sator
PS. sorry for any english errors... I'm still getting use to the language.
Originally posted by Darthweezer
Your theory would explain why most abductees seem to be lacking in the intelligence region
Originally posted by jackinthebox
As far as time traveling Grays goes, it's like this...They are indeed "us" from the distant future, but not really "human" either. They are at the end of an evolutional curve and can no longer reproduce.
Originally posted by Darthweezer
Isn't that the plot of Destroy All Humans? The main character's species can't reproduce so they clone themselves using human DNA.
Originally posted by timelike
i.e you can go back in time, but when you change things, you're now part of a different future, since you have just changed it.