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Originally posted by BangorangRufio
I always thought that you couldn't go back to before the time machine was built because you would have nothing to go back to. I mean, the machine would not exist, therefore you couldn't go back to it. So unless someone built a time machine in 1969, and it still works today, they won't be seeing Hendrix play at Woodstock.
Originally posted by SMR
Could it be as simple as asking,is even possible to go BACK to a time in which the 'time machine' did not even exsist?
I could see going FORWARD as the 'machine' has been created and therefore keeps exsisting.
Originally posted by masterp
(kill your own grandfather? then how do you exist?)
The weird thing is that if you were able to travel at the speed of light you would go back in time but if your speed was greater than the speed of light you would go into the future.
my brother's theory on time travel to the past is that "past time" isnt saved so there is no way to go back to it.
Originally posted by Xeven
You can absolutley see the past as long as that past event produced energy. We see the past everytime we look at the sun or the moon.
We even see billions of years into the past when we look at stars.