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Silurian hypothesis
Y? 67%
Thought experiment to assess ability to detect evidence of a prior advanced civilization
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It's a thought experiment, not a Hypothesis

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Y? 67%
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The Silurian hypothesis is a thought experiment which assesses modern science's ability to detect evidence of a prior advanced civilization, perhaps several million years ago. The most probable clues for such a civilization could be carbon, radioactive elements or temperature variation. The name "Silurian" derives from the eponymous sapient...

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