> Where did you find this? I put together the pieces mentioned in various places in the first Dune book. Every step sounds good and plausibly science(-fiction)

> Where did you find this? I put together the pieces mentioned in various places in the first Dune book. Every step sounds good and plausibly science(-fiction)-esque when presented separately, like the book does. Only when you put all the steps together, the picture starts to look like an M.C. Escher drawing. https://en.wikipedia.org/wiki/Waterfall_%28M._C._Escher%29 https://en.wikipedia.org/wiki/Waterfall_%28M._C._Escher%29