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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73 views

Is there any research on specific details of ancient/medieval blacksmithing related to microelements added via plants?

I have seen the following claim a couple of times before (all in Russian popular science type sources). However, I was never able to find historical OR scientific/technology research directly backing ...
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8answers
957 views

Intersection Between Computer Science and History?

I am a computer science undergrad with a great interest in history. Lately I have been asking myself if there are general aspects or specialties of computer science which lend themselves to the study ...
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1answer
381 views

Did France & Italy continue to develop and manufacture sophisticated military hardware once under German control?

Both France and Italy were designing and building advanced vehicle engines, motorcyles, aero engines and airframes through the 1930s and early 1940s. In the case of those advanced economies of ...
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1answer
123 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
94 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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2answers
110 views

When did the <input> tag come about, and in what web browser? [closed]

I realize that the <isindex> tag came first, but which browser was the first to support the <input> tag and when?
3
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1answer
85 views

When was first security screen door instaled in Seoul metro

My task is to document Seouls metro history. However, I'm from Czech Republic which limits selection of sites I can get data from. (I don't speak Korean, and google translate usually fails). Also, ...
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2answers
775 views

Did Germany produce ammunition with depleted uranium?

Albert Speer in a footnote in Inside the Third Reich states, "During 1940 1200 metric tons of uranium ore had been seized in Belgium." Later in the book, Speer states, "In the summer of ...
3
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1answer
111 views

Luddite revolutions

I can think of examples from history where societies erupted in revolutions against elites or perceived moral corruptions. Is there any good example where the cause of a major revolution was too ...
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2answers
199 views

Why weren't R-4 helicopters used in the European theatre in 1944-5?

Early helicopters it seems were deployed by the American military in WW2 in the Burma and China theatres, and in the South Pacific. Their principal use would appear to have been small scale rescue ...
9
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1answer
2k views

What devices used computer-like programs in industrial era?

As possibly some of you remember early computers had very small human-machine interface and coding programs was done by cards like this one: or a tape like these: This invention of controlling ...
5
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1answer
138 views

Are there any examples of people being able to predict the consequences of communication revolutions?

I often read predictions about future technologies from analysis companies like Gartner Group. These studies often strike me as awfully linear in their view on development. I would, therefore, like to ...
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5answers
534 views

What was “Greek fire”?

What was Greek fire? I read in my history book that it was a flamethrower. But in certain fantasy movies it's been portrayed as something similar to dynamite. What was it dynamite or what? Did it ...
5
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2answers
152 views

Did the break up of AT & T in 1984 lead to technological innovation?

Are there examples of technologies developed since 1984 that would not have been likely to be developed had the Bell system stayed intact rather than being broken up by the US government? UPDT: To ...
3
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0answers
149 views

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 ...
5
votes
1answer
127 views

Who is responsible for the oldest known calendar?

What is the oldest known calendar? Where exactly was it developed? Who was responsible for its creation?
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3answers
228 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 ...
6
votes
1answer
181 views

Which floating-point representation did Konrad Zuse's Z1 use?

Wikipedia notes: "The Z1 was a 22-bit floating point value adder and subtracter". But the specific format used is nowhere to be seen.
2
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1answer
183 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?
6
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1answer
184 views

British way in construction of AFV

Why have British tanks not changed very much? The USA have moved from the VSS, VVSS, HVSS (Lee and Sherman) suspensions to the torsion bar suspension (T26 and Patton family), USSR - from twin bogies ...
10
votes
1answer
282 views

How accurate and detailed were geographical maps created and updated by the Romans?

Knowledge is power, and having superior geographical knowledge vs. your imperialistic enemies and competitors was probably a big advantage in the middle ages. Some specific examples would be knowledge ...
2
votes
1answer
103 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.
0
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1answer
984 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 ...
15
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1answer
1k views

How did the monks whose job was to copy books react to Gutenberg's printing press?

It's typical to see people whose job it is to perform a manual task to - collectively - object when a new technology is introduced which makes their job obsolete (as the quintessential example, see ...
7
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2answers
197 views

How is the photography printing on newpaper is possible in the WW2 era?

How is the photography printing on newpaper is possible in the WW2 era? For example, how is the photo on the newpaper at the below link is possible especially on HD quality? ...
7
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3answers
567 views

When was the earliest recorded battle with the usage of gunpowder as an offensive weapon?

When was the earliest recorded battle (on script) with the usage of gunpowder (in any form) as an offensive weapon?
10
votes
4answers
528 views

Is there any evidence to support the claim that the US Strategic Defense Initiative played any significant role in undermining the USSR?

I have been reading Sorrows of Empire by Chalmers Johnson, and one of the things that stuck me was a quote by Soviet hydrogen bomb creator Andrei Sakharov who was released from political imprisonment ...
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4answers
3k 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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5answers
3k views

What are the factors that caused the new world civilizations to be less technologically advanced than the old world?

Assuming they started at the same point (maybe the split of the continents or the migration of the first "Native Americans" to the American continent), why did the Old World end up developing faster? ...
8
votes
2answers
252 views

What role did the media have in the outcome of the “Arab Spring” revolt in Tunisia

What was the role of the media in the outcome of the revolution in Tunisia? Throughout the revolution we saw the role of the media was extremely important, what was the role of the media during the ...
4
votes
1answer
124 views

Explosive Ordinance Yield Over History

I'm writing an essay, and one of the elements of it has to do with the development of military technology throughout history. I've noticed that there is a quickly increasing and disturbing trend in ...
4
votes
1answer
240 views

What differences led to Technicolor becoming the dominant color filming technology in Hollywood?

Apparently another technology, Kinemacolor, was invented first in the UK, but it never caught on in Hollywood. Kinemacolor was expensive, and had some other glitches involved, but the fact that it was ...
15
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2answers
5k views

When did steel first appear? [closed]

When in history do we first have record of steel being used as a material? I am also interested in both its initial purpose and when it was first used in weapon making.