From: NFetter <NFetter@aol.com>
Date: Mon, 20 Apr 1998 21:40:26 EDT
To: pinhole@exploratorium.edu
Subject: Re: Magic pennies?
Hi Linda,
The hot pennies' very thin copper coating was very likely reacting with the
zinc inside to make some kind of brass. The copper does not necessarily have
to melt to dissolve in the zinc.
Neil fetter