Posted by Marc Martin on
URL: https://www.es-forum.com/trouble-with-radiation-from-a-Medicaid-card-tp4026679p4026703.html

On September 25, "Patricia [via ES]" <[hidden email]> wrote:
> does that mean these materials might be helpful
> in house construction, to keep out EMF/EMR/etc???

Well, the plastics would be keeping out harmful "longitudinal waves"...
I'm not sure if these are really classified as EMR/EMF.... (?)

Marc