Brad wrote:
> Hi,
>
> Why we can't go back in time in order to exist (again) in the past:
>
> To go back in time would make that "moment" in the past the present.
>
> Consequently, if that were possible, then the future has not
happened yet.
> In other words, you can't come from a time (future) that has not
occurred
> yet.
> Brad
>
> Before you type your password, credit card number, etc.,
> be sure there is no active keystroke logger (spyware) in your PC.
>
To the best of my knowledge, physicists still debate that
question. The most likely answer is entropy always
increases, though some think that entropy could decrease in
a shrinking universe.
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