Inverse Cube law - Whaaaaa?
That's right. The inverse square law applies between point charges or from a magnetic monopole to compute the electric or magnetic influence, but in the real world where you are dealing with dipoles . . . . . .
https://www.google.com/search?q=inverse+cube+law&sourceid=ie7&rls=com.microsoft:en-US:IE-SearchBox&ie=&oe=&gws_rd=ssl
https://www.google.com/search?q=inverse+cube+law&sourceid=ie7&rls=com.microsoft:en-US:IE-SearchBox&ie=&oe=&gws_rd=ssl