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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1850s steel technology advance before the Bessemer converter

The Bessemer converter is often cited as the critical invention causing a breakout in the production of cheap steel and enabling the industrial revolution. However, I just put together this chart ...
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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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Other possible inventors of the Transistor?

From Wikipedia's Article on the History of the Transistor: The Bell Labs work on the transistor emerged from war-time efforts to produce extremely pure germanium "crystal" mixer diodes, used in ...