20 sci-fi tropes, judged from psychics to AI uprisings on how close they are to real

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Cracked ranks 20 sci-fi tropes by how close each is to coming true, from psychics and space pirates to robots and AI uprisings.
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20 sci-fi tropes, judged from psychics to AI uprisings on how close they are to real
Cracked ranks 20 sci-fi tropes by how close each is to coming true, from psychics and space pirates to robots and AI uprisings.
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