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<p>[QUOTE=&quot;-jeffB, post: 3096813, member: 27832&quot;]Zinc doesn&#039;t melt until 415 C. Cotton would catch fire before that. A clothes dryer will not melt the zinc from a cent.</p><p><br /></p><p>I&#039;ve melted them with a large Fresnel lens (flat magnifying glass) and sunlight. In fact, I&#039;ve made zinc <i>boil</i> out of a cent, complete with puffs of vapor that turned to zinc-oxide smoke, although it needs to be just the right super-sunny day for that to happen.[/QUOTE]</p><p><br /></p>

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