Yep, use the copper wires with the pennies (which are mostly zinc now) or
iron, with fruit juice to produce a battery, and hook up with the silver
immersed in the water to produce colloidal silver.

Marshall

Dan Nave wrote:

> Here's an extra credit problem for all the technology hackers and mad
> scientists...
>
> Say you were in some relatively primitive or isolated situation where
> you had some basic items like silver (coins or jewelry), pieces of
> copper wire, iron, etc, your normal range of vegetables from potatoes to
> citrus fruits, regular water from a stream or lake, no batteries, no
> hardware stores.
>
> Since you come down with some stomach/intestinal upset you want to make
> some Colloidal Silver.
>
> Can you do it?
>
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