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Short video on how people change the color of copper coins with science.
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<p>[QUOTE="John Burgess, post: 5145888, member: 105098"]Found this video on Youtube, thought some of you might find it interesting as to HOW some of the copper coins become silvery or golden in appearance. It's short, I found it interesting, easy and enjoyable and felt I wanted to share it.</p><p><br /></p><p>[MEDIA=youtube]_g_ml8tAnWE[/MEDIA][/QUOTE]</p><p><br /></p>
[QUOTE="John Burgess, post: 5145888, member: 105098"]Found this video on Youtube, thought some of you might find it interesting as to HOW some of the copper coins become silvery or golden in appearance. It's short, I found it interesting, easy and enjoyable and felt I wanted to share it. [MEDIA=youtube]_g_ml8tAnWE[/MEDIA][/QUOTE]
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Short video on how people change the color of copper coins with science.
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