.###.###..                                          .....##.##
#..##..#..                                          ....#.##.#
#.#.#.##..                                          ...###.##.
######.#..                                          ..#..##.##
.....###.#                                          .##.#.##..
....#..##.           .--- 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.                 ...####..#
.....#.#..                                          ..#...#.#.
....####..                                          .##..####.
...#...#.#                                          #.#.#...#.
..##..####                                          #####..##.
.#.#.#....                                          ....#.#.#.