Spaceman Spiff
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- Joined
- Apr 5, 2014
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for you techno-geeks out there:
http://www.bradford-delong.com/2017...ological-progress-is-slowing-down.html[/SIZE]
I had the opportunity to tour the NORAD computer center in Duluth in the early '60. Four story concrete blockhouse; three stories were vacuum tube computer guts. Rows and rows of vacuum tube drawers. Very hot inside, had to exhaust the heat even in winter.
http://www.bradford-delong.com/2017...ological-progress-is-slowing-down.html[/SIZE]
I had the opportunity to tour the NORAD computer center in Duluth in the early '60. Four story concrete blockhouse; three stories were vacuum tube computer guts. Rows and rows of vacuum tube drawers. Very hot inside, had to exhaust the heat even in winter.