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If the Universe came to an end every time there was some uncertainty about what had happened in it, it would never have got beyond the first picosecon...more

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One of the major problems encountered in time travel is not that of accidentally becoming your own father or mother. There is no problem involved in b...more

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The best conversation I had was over forty million years ago,' continued Marvin.

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Time travel? I believe there are people regularly travelling back from the future and interfering with our lives on a daily basis. The evidence is all...more