Quote:
Originally Posted by KarlB
Long story short, Kaku's conclusion is that time travel is "something that does not violate the laws of physics, but that might be possible only thousands to millions of years in the future."
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Ok, so theoretically if time travel is possible in the future... even 10,000 years from now. Could someone from that time not travel back and bring a time machine with them to make it possible now?
BOb