Homebrew PCBs

Stefan Trethan wrote:
> On Sun, 30 Nov 2003 23:54:21 -0800 (PST), mpdickens <md30022@...> 
> wrote:
> 
> Why never add water to acid?
> I mean i know that but i don't know why.
> I thought in the past maybe because any splashes would be more
> likely from the water (if you add acid to water) but that can't be the 
> reason?

The dilution action can release heat, so a small drop of water
in acid can make a very high temperature and pressure explosion
or splash when the water turns to steam (like water in hot oil).