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