Probably not..while tied to the outhouse.
Batteries can be made by inserting dissimilar metals into a citrus fruit.
..solar stills are low tech items.  A piece of plastic sheet and a pebble
sort of stuff.

Ode

At 11:44 AM 5/18/2004 -0500, you 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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