Answers

2015-08-18T20:37:52+08:00
There are two types, two likely the same poles and the unlikely poles. 

If it was the two unlikely poles it would stick together

But for the likely poles these two are hard to stick.
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2015-08-22T08:30:18+08:00
It repels when like poles are put together.It attracts if opposite poles are put together.
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