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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Why did email use develop in tandem with the internet, rather than other technologies?

During the 1980s, I envisioned a (primitive) version of email that would come off telex machines. That is, a person would sit down at a keyboard, create a document, store it on a cartridge, stick the ...
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3answers
216 views

Were China's problems in the past two centuries due to “missing out” on the industrial age? [closed]

Until the industrial revolution, China was (mostly) an "advanced" or at least "state of the art" country. That is, until it fell behind the West, starting in the late 18th century. Recently, China ...
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1answer
137 views

Time of day first traffic light exploded

The first traffic light was installed in December 1868 at Bridge Street, Great George Street and Parliament Street in London. It exploded on 2 January 1869. What time of day did it explode?
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4answers
2k views

When Did Commerical Studio Photography Become Common?

I was looking at this Wikipedia article, History of photography, and I wondered when commercial photography studios became common place and affordable for the average person. According to the ...
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1answer
108 views

What was the available level of agricultural technology in late 2nd century China?

How would you characterize the situation of the agricultural technology around the time of the Yellow Turban rebellion (A.D. 184-205), when technological breakthroughs were yet about to come?
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1answer
90 views

What are the contributions of Professor Hans List?

Considering his academic titles, what are the contribution of the automotive engineer, Professor Dr Dr h.c.mult. Hans List? What did he invent? I could not find anything except a brief obituary.
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1answer
163 views

Technology and status symbols that predate language [closed]

I remember distinctly reading about peoples and cultures - in, I believe, the Caucasus - that used to knap large flakes of flint into spearheads and would use them (instead of actual tools) as status ...
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1answer
47 views

What computer was used in 1958 for handwriting recognition by Dimond?

I've just seen that the article Dimond, T. L. "Devices for Reading Handwritten Characters". Papers and Discussions. Presented at the December 9-13, 1957, Eastern Joint Computer Conference: ...
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3answers
61 views

When was flat glass invented? [closed]

The question is pretty simple. I'm quite curious about since when we are lucky to have windows with glass in them. And since when is there faint glass that isn't perfectly see-through?
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84 views

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 ...
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1answer
104 views

What is the history of Research and Development laboratories?

When did Research and Development laboratories (R&D labs) emerge? What was the institutional and intellectual context? Have they undergone major changes in their nature? What role have R&D ...
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1answer
83 views

what city was unix invented in? [closed]

Unix operating system (and the C language) was developed at Bell Labs by Ken Thompson and Dennis Ritchie in 1970. What city did they invent it in?
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1answer
59 views

Which was more revolutionary for its time: Television or Radio? [closed]

In terms of broadcast technologies, which was seen as more revolutionary for its time: television or radio? How was each technology utilized in terms of its intended purpose and audience/users in its ...
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1answer
99 views

What machine technology did the Egyptians have to build the great pyramids?

Reading the "Account of Egypt" by Herodotus, it says of the great pyramid of "Cheops" (Macauley translation): This pyramid was made after the manner of steps which some called "rows" and others ...
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1answer
691 views

What factors contribute to the fact that only a handful of countries manufacture aircraft jet engines? [closed]

The USA (GE, Pratt & Whitney), Russia (NPO Saturn, Klimov), France (Snecma) and the UK (Rolls Royce) are the only countries that have aircraft jet engine manufacturers. What factors might ...
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1answer
326 views

Did the cold war affect the development of the internet?

What were the influence of the Cold War in the internet origin or their development. Did DARPA's support of the creation of the internet explicitly address cold war fears? The cold war was the ...
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3answers
299 views

Why only in the last few hundred year has science and technology progressed like it has [closed]

Man has been on the Earth for millions of years. But in only the last few hundred years, science has made major advances: the average life expectancy expanded, electronics, transistors, ...