If time travel is possible, why haven't people from the future come back to

  • Thread starter Thread starter a_ksuhas
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a_ksuhas

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the present to meet us? Considering time travel a possibility, people from the future could have come back, say to the world war period, and persuaded America not to drop the atom bombs in Japan. So does this imply that time travel is an impossibility, or does it imply that we can travel only into the future and not into the past?
 
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