The branch of knowledge that deals with the creation and use of technical means and their interrelation with life, society, and the environment, drawing upon such subjects as industrial arts, engineering, applied science, and pure science.

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Harvard Architecture: How did Harvard Mark I separate data and instruction?

How did Harvard Mark I separate data and instruction? I have read the article in Wikipedia but I didn't understand how data and instruction was separated using a punched paper tape. It said ...
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Why did the Nazis invent videotelephony?

This claim that the Nazis invented two-way video telephony is astonishing and I almost thought it was a hoax. Except it's not, because it's copiously referenced to contemporary sources. So other than ...