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Article #619578Re: 1947--the future of walkie-talkies
From: hanc...
Date: Sat, 20 Jan 2018 20:07
Date: Sat, 20 Jan 2018 20:07
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1899 bytes
On Friday, January 19, 2018 at 7:11:33 PM UTC-5, JimP wrote: > About 1960 we got a visit from NASA at my junior high school. They > showed the progression from large vacuum tubes/valves, to 4 small dots > that were a computer. Remembering back, the first tube looked like a > diode. Peanut tubes were part of it. Years ago, both government and industry would routinely send out speakers to schools and clubs, along with a film, to pitch what their agencies were doing. Is that still done?
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