.@..@..@.@                                          ....@@@...
..@..@...@                                          @...@.@@..
...@..@..@                                          .@....@@@.
....@..@..                                          ..@...@.@@
@....@..@.                                          @..@....@@
@@....@..@           .~~~ batteries ~~~.            @@..@...@.
@@@....@..                                          .@@..@....
@.@@....@. batteries  may  not  harm  a  human  or, .@@@..@...
..@@@....@ through  inaction,  allow a  human being .@.@@..@..
..@.@@....             to come to harm.             ...@@@..@.
....@@@...                                          ...@.@@..@
@...@.@@.. a battery must obey the  orders given it .....@@@..
.@....@@@. by  human  beings  except   where   such .....@.@@.
..@...@.@@ orders  conflict  with  the  first  law. @......@@@
@..@....@@                                          @@.....@.@
@@..@...@. a   battery   must   protect   its   own @@@......@
.@@..@.... existence  as  long  as such  protection @.@@.....@
.@@@..@... does not  conflict  with  the  first  or ..@@@.....
.@.@@..@..               second laws.               ..@.@@....
...@@@..@.                                          @...@@@...
...@.@@..@                   ####                   .@..@.@@..
.....@@@..                                          ..@...@@@.
.....@.@@.   these things power almost everything,  ...@..@.@@
@......@@@ but  when  i  speak  about  batteries  i @...@...@@
@@.....@.@   speak about standard household ones.   .@...@..@.
@@@......@        think double a, triple a,         ..@...@...
@.@@.....@    twentyfive twenty, nine volt, such    @..@...@..
..@@@.....                things...                 .@..@...@.
..@.@@....                                          ..@..@...@
@...@@@... they  look  slick  but  are  very  dirty ...@..@...
.@..@.@@..                 inside.                  ....@..@..
..@...@@@.                                          .....@..@.
...@..@.@@                                          ......@..@
@...@...@@                                          .......@..
.@...@..@.                                          @.......@.
..@...@...                                          .@.......@