asr comments on Do Earths with slower economic growth have a better chance at FAI? - Less Wrong

30 Post author: Eliezer_Yudkowsky 12 June 2013 07:54PM

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Comment author: asr 13 June 2013 01:59:24PM *  2 points [-]

During the middle ages people didn't even know what the Roman aqueducts were for.

I am surprised by this claim and would be interested to hear more.