11 May
2003
11 May
'03
8:24 p.m.
On 11 May 2003, Christopher McNabb wrote:
Given a few basic tools (knife) it would be relatively
trivial to make
something like a crystal radio. You would need to find copper ore (look
for rocks that have a bluish-green tint) and some galena. You would
then need to light a fire and get it hot enough to smelt the ore to make
copper. Beat the copper into a long enough wire with a rock, then wind
it into a tuning coil. Use the piece of galena and the point of your
knife as the diode. You would also need to find some iron ore to make
an electro-magnet and a thin metal diaphram for use as a speaker. Easy
as pie.
Jep, just add electricity and you'll be rockin' out.
--
Sellam Ismail Vintage Computer Festival
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