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Star Trek Tech Made Real - Transparent Aluminum
I'm one of those who don't believe that time travel as we normally think of it in sci-fi is possible. I understand how mathematical models can make it seem possible, but switching variables around on paper or in a simulation is very different than undoing a physical sequence of events. This gets quite involved, but there's a logic to the impossibility. I just doubt most people have reflected on it long enough to grasp it.Well, I suppose its as much about belief as anything.
Like time travel. Is is possible or not? Many physics theories do not forbid it.
Myself, I prefer the multiverse theories. That means that you cannot kill your grandfather - in some realities you did that and in some you did not.
What this means is that there is no time-travel causality... I'd suggest you to read David Deutch: The Fabric of Reality. I'm on same lines with him on these matters..
Got a link?Did you all notice, that there is a huge flying wing US military drone going about ...