We can't revisit the past, since it's already happened. We can't travel into the... | Hacker News

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crazydiamond on May 8, 2010 | parent | context | favorite | on: Stephen Hawking outlines three theoretically reali...

We can't revisit the past, since it's already happened. We can't travel into the future because it's not yet happened.

Am i missing something here ?

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