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<p>[QUOTE=&quot;Marshall, post: 7760170, member: 21705&quot;]Just a bit of historical information. </p><p><br /></p><p>Using coins in High School Science Labs was common to introduce the electroplating process using the copper cent because of it&#039;s electrical properties.</p><p><br /></p><p>It was attached to a battery and submerged in a solution containing another metal. Usually some form of nickel because it was inexpensive and contrasted starkly with the copper color. The solution was also attached to another piece of metal.</p><p><br /></p><p>Anode, Cathode and electrolytes were pretty standard science Experiments and Projects in the fifties and sixties.</p><p><br /></p><p>After the experiments were completed, the coins were often saved briefly until being spent.</p><p><br /></p><p><a href="https://en.wikipedia.org/wiki/Electroplating" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://en.wikipedia.org/wiki/Electroplating" rel="nofollow">https://en.wikipedia.org/wiki/Electroplating</a>[/QUOTE]</p><p><br /></p>

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