...^-*£@##                                          ##@£*-^...
..^-*£@###                                          ###@£*-^..
.^-*£@####                                          ####@£*-^.
..^-*£@###                                          ###@£*-^..
...^-*£@##                                          ##@£*-^...
....^-*£@#           .--- 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.                  @£*-^.....
......^-*£                                          £*-^......
.......^-*                                          *-^.......
........^-                                          -^........
.........^                                          ^.........
..........                                          ..........