Homebrew PCBs

In article <000f01c68566$b8926c80$0501a8c0@AZATHOTH>,
   Leon Heller <leon.heller@...> wrote:
> Acetone is ethyl ketone. I remember making it at school; the reaction
> got out of hand, blowing the condenser etc. out of the flask and
> shattering them on the ceiling. A green fountain of copper filings,
> copper sulphate, sulphuric acid and ethanol shot up to the lab ceiling
> and rained down on us, together with broken glass. The green stain was
> still there when I left a couple of years later in 1960, it's probably
> still there.

Ah the days of /real/ chemistry at school