.&.&&..&..                                          &&.&.&.&&.
&&..&.&&..                                          .&.&.&..&.
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&&..&.&&..                                          .&.&.&..&.
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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.            .&.&.&..&.
.&.&&..&.&                                          .&.&.&.&&.
&&..&.&&..                                          .&.&.&..&.
.&.&&..&.&                                          .&.&.&.&&.
&&..&.&&..                                          .&.&.&..&.
.&.&&..&.&                                          .&.&.&.&&.
&&..&.&&..                                          .&.&.&..&.