Two words about two letters etc.

Fri Jan 17 11:08:48 PST 2003

On Fri, Jan 17, 2003 at 12:22:33PM -0500, Mark A Mandel wrote:

> Saltpeter forms at the bottom of dungheaps, which I think must be in
> plentiful supply.

A scarcity of sulphur, being elemental, would be a better hindrance.
Unfortunately some laws of physics would have to be changed for that
as well.  (technogeek handwave)