.&...&&.&. ....&&.&&&
&&&..&.&&& &...&.&&..
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&&.&&&..&. ..&.&..&&&
..&&..&.&& ..&&&&.&..
..&.&.&&&. .~~~ 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. &&&&..&...
.&&&&&.&&. &...&.&&..
.&....&&.& &&..&&&.&.
.&&...&.&& &.&.&..&&&
&&.&..&&&. &&&&&&.&..
&.&&&.&..& &.....&&&.