On Tue, Sep 4, 2012 at 8:43 PM, Jouni Valkonen <[email protected]> wrote:
> Terry quite clearly stated that permanent magnets do wear down quite fast, Terry said magnets in opposition degrade. Magnets in attraction will not degrade over time. A magnet struck repeatedly by a hammer will degrade due to the randomization of magnetic domains due to the shock. Magnets in opposition suffer a similar shock. T

