Metals are very useful commodities if you know what their properties are. Ductile, mallable, conductive, low heat capacity. Metal catalysts provide tweaks in the working structure that allow something different to occur. Almost all organic process chemistry has a demand for surface chemistry activation for thermodynamic or kinetic advantage. Metals lower activation energies, and in proper form are essential to plant and animal growth at trace levels. Chemistry need not be mystery nor misery.
Silver, Gold, Palladium and the Platinum Group metals are very much worth the investment - especially if you can have the materials in hand. The Liberty dollar concept - basing exchange on set value of silver coin appears legal to me on the surface and should be encouraged rather than illegalized. If anybody has a good reference article to the events - i have a few questions of 'how it got there' from when i last checked howdt on that debacle (mid-October).
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