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<p>[QUOTE=&quot;wlwhittier, post: 1685912, member: 18320&quot;]GOOD!</p><p><br /></p><p>I don&#039;t see how the genuine Morgan accounts for the gradual descent down the inclined face while a fake with some ferrous content allows zip-fast movement, unless hysteresis has something to do with it.</p><p><br /></p><p>Silver &amp; copper are very good conductors of electricity (as iron is not so good) so the speed difference would be a resultant of the way each alloy interacted with the rare earth magnet; and the silver/copper of the genuine creates a stronger hysteresis current (hence more attraction) than the fakes.</p><p><br /></p><p>My electrical/magnetic training is 50 years old, and it didn&#039;t go into these particular aspects of alloys...so all this is conjecture.</p><p><br /></p><p>I have a feeling there&#039;s something subtle but important in this angled magnetic test, though...and I like it.&nbsp; Thanks![/QUOTE]</p><p><br /></p>

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