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What if Humans Are NOT Earth's First Civilization? | Silurian Hypothesis
PBS Space Time
PBS Space Time examines the Silurian hypothesis, the idea that an industrial civilization could have existed on Earth before humans. It looks at what traces such a civilization might leave in the geological record.
HN uses it as an approachable treatment of whether an earlier industrial civilization would be detectable in geology.
3 Hacker News mentions · 2023–2024