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ENIAC unveiled
1946
University of Pennsylvania, Philadelphia
The original uploader was TexasDex at English Wikipedia. · CC BY-SA 3.0 · Wikimedia Commons
ENIAC unveiled was the first general-purpose electronic computer, 18,000 vacuum tubes filling a room and drawing 150 kilowatts. It was programmed by six women recruited as human computers, uncredited for decades.
That was 1 of the hidden places.
Location: documented spot
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