Well. It is possible indeed. The general relativity theory proves that. This is why we still see the lights of stars that already died millions of years ago, so in that sense, we are looking into the past. A real example for this is what happens in interstellar. Thing is, Hawkings tried to prove it was impossible to travel back in time but all points out that we can travel to the future.
But the theories you mentioned are contradictory then. If Hal is brought back to life and sends a message to the past, then time travel works two ways. Not just present to future.If time travel is possible. It means our time line changes continuously every single time some body changes the past. This is interesting to imagine but hard to believe because it would easily be destructive. Out of curiosity. How do you see this transaction you are talking about being from the future?
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Regards,
PrivacyG
Thing is, I need to find the story first. But unfortunately, it is being very hard. I know this was very talked about in themedia as well. But at that time, my belief was that if we had already built the AI singularity, it simply could be able to send information backwards in time, and that specific transaction would be proof of both the AI singularity and proof that information was totally independant from time itself. At least this is what the black hole theory tells us.
