Time travel was once considered scientific heresy, and I used to avoid talking about it for fear of being labelled a 'crank.'
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Time travel used to be thought of as just science fiction, but Einstein's general theory of relativity allows for the possibility that we could warp s...
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Even if it turns out that time travel is impossible, it is important that we understand why it is impossible.
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If we want to travel into the future, we just need to go fast. Really fast. And I think the only way we're ever likely to do that is by going into spa...
