#.#.##.#..                                          #..#..#.#.
#.#..#.#.#                                          #.##.##.#.
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#.#.##.#.#                                          #..#..#.#.
#.#..#.#.#              ..............              #.##.##.#.
#.#.##.#.#              ..............              #..#..#.#.
#.#..#.#.#              ..          ..              #.##.##.#.
#.#.##.#.#              .. feedback ..              #..#..#.#.
#.#..#.#.#              ..          ..              #.##.##.#.
#.#.##.#.#              ..............              #..#..#.#.
#.#..#.#.#              ..............              #.##.##.#.
#.#.##.#.#                                          #..#..#.#.
#.#..#.#.# feedback  is  for making the  process  a #.##.##.#.
#.#.##.#.# whole  lot more  messy,  to introduce  a #..#..#.#.
#.#..#.#.# fractal in the  spice mix...  things  or #.##.##.#.
#.#.##.#.# populations of  things start  to be self #..#..#.#.
#.#..#.#.#        referential or self eating        #.##.##.#.
#.#.##.#.# (autovore...) or spiraling  in or out... #..#..#.#.
#.#..#.#.#                                          #.##.##.#.
#.#.##.#.# in the sixties they did research in  the #..#..#.#.
#.#..#.#.# jungle and  in  the  sea and they  found #.##.##.#.
#.#.##.#.# that feedback  does not give rise to  an #..#..#.#.
#.#..#.#.# equilibrium. they were trying  to  prove #.##.##.#.
#.#.##.#.# that  nature is a  tame beast. but she's #..#..#.#.
#.#..#.#.#                   not!                   #.##.##.#.
#.#.##.#.# this  may  hold true  out  there...  but #..#..#.#.
#.#..#.#.# maybe not in signal  wizardry? depending #.##.##.#.
#.#.##.#.# on  your  technique,  you  might  easily #..#..#.#.
#.#..#.#.#            find recurrences.             #.##.##.#.
#.#.##.#.#                                          #..#..#.#.
#.#..#.#.#                                          #.##.##.#.
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#.#..#.#.#                                          #.##.##.#.
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#.#..#.#.#                                          #.##.##.#.