[geeks] While on the subject of weirdness
Francois Dion
francois.dion at gmail.com
Tue Aug 9 12:01:19 CDT 2005
On 8/8/05, wa2egp at att.net <wa2egp at att.net> wrote:
> > > During WWII, GIs used to
> > > make foxhole radios out of razor blades and scrounged parts.
> > you have an URL for that?
>
> I wish I did. I have seen in some publication where you could make
> a "crystal radio" from one of the old "blued" double edged razor
> blades, a piece of pencil lead and various pieces of bend paper
> clip.
I found some stuff in some PM issues I had, and I also found an
interesting connection to Science Fiction... I'll just say "Hugo".
I've added more to the page based on that (rocket science section):
http://www.cimastudios.com/fdion/
> At one time, experimenters in early radio did make "rectifiers"
> from some type of electrolytic combo instead of galena crystals.
> Maybe that might bbe worth searching.
Definitely. That'll be my next step. I'll be going to the library to
read about Dr. Pickard's experimentations with various materials.
Apparently he tested thousands of materials to come up with what we
know as the "crystal" detector.
Francois
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