There Might Have Been Another Civilization Before Us (Michael Button)

In 2018, Adam Frank and Gavin Schmidt published a paper titled: Would it be possible to detect an industrial civilization in the geological record?

They weren’t asking “Did an ancient, advanced civilisation exist?” They were asking – if one did exist... how would we actually know about it?

This question has been dubbed The Silurian Hypothesis - and it's more sincere than you might expect...



[Posted at the SpookyWeather2 blog, December 16, 2025.]