Stealth Buildings Was Re: "X-Ray Gun" for imperceptible searches

[Alan Horowitz]

On Tue, 13 Aug 1996, Daniel R. Oelke wrote:

> If foil or metal mesh would block it, then many recently built houses
> would be already set.  Usually that 1/2 - 1 inch styrofoam used 
> on almost all exterior walls has a reflective layer of foil to help
> keep the heat/cold out.


  Take a course in Tempest practices.  Casual residential practice 
implemented by construction workers do not a vault make.