&&.&.&.&.&                                          .&&&..&.&.
&&.......&                                          .&.&&.....
&&&......&                                          ...&&&....
&.&&......                                          ...&.&&...
..&&&.....                                          &....&&&..
..&.&&....              --------------              &&...&.&&.
....&&&...              -............-              .&&....&&&
&...&.&&..              -.          .-              .&&&...&.&
&&....&&&.              -. 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.            ......&&&.
...&&&....                                          ......&.&&
&..&.&&...                                          &.......&&
&&...&&&..                                          &&......&.
&&&..&.&&.                                          .&&.......
&.&&...&&&                                          .&&&......
..&&&..&.&                                          .&.&&.....