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OK,I was just watching this on the history (?) channel earlier last month..
There is a type of naturally occurring magnet that does not discharge its' force when broken violently (thrown against a wall.) I might be mistaken though.
BTW, I've rebuilt computer hard drives... those magnets are a ***** to work around when youre putting the pickup head back in place... better to energize them after construction, I'd say.
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"¿ʞɐǝɹɟ ɐ ǝɹ,noʎ uǝɥʍ 'ʇı ʇ,usı 'ʎlǝuol s,ʇı"
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