> "It would be one big machine (with lots of energy) extracting (and hopefully recycling) earth elements to satisfy humans." See also that machine in fiction,

> "It would be one big machine (with lots of energy) extracting (and hopefully recycling) earth elements to satisfy humans." See also that machine in fiction, breaking down: E.M. Forster's "The Machine Stops" from 1909, available free at Project Gutenberg https://www.gutenberg.org/cache/epub/72890/pg72890-images.html#THE_MACHINE_STOPS https://www.gutenberg.org/cache/epub/72890/pg72890-images.ht...