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What if Humans Are NOT Earth's First Civilization? | Silurian Hypothesis

PBS Space Time · explainer · Watch on YouTube

Geology & earth scienceCosmology & astrophysics

What it is

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.

Why Hacker News recommends it

HN uses it as an approachable treatment of whether an earlier industrial civilization would be detectable in geology.

  • 1 people recommended it
  • 1 different months
  • 0 strong recommendations
  • first 2023, last 2024

What HN commenters said

  1. “This youtube video addresses the situation pretty well”

    Addresses question well, including crust recycling

    monkeywork, 2023-12 · Recommendation · in “Would it be possible to detect an industrial civilization in geological record?”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: silurian hypothesis, geology, fermi paradox, pbs space time, civilization

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