Magnets repelling metal

Houngan said:


I recall from a blacksmithing book that you can take a non-polar iron rod, give it a good whack on one end, and instantly turn it into a magnet. The reason is the whack makes the molecules line up somewhat.

H.


The rod has to be pointing at the north pole (magnetic) for this to work, then the molecules line up with the Earths magnetic field when the rod is tapped
 

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