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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What is the oldest excavated/discovered piece of silk textile made for clothing or writing?

Chu manuscript dating back to circa 300 B.C., middle of the Warring States era. Mawangdui robe's dating back to ~ 200..150 B.C., beginning of the Western Han. Do you know any older examples of ...
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1answer
56 views

Morse code is a ternary human-optimised code, is there a binary, non-machine optimised code? [closed]

http://cs.stackexchange.com/questions/34067/is-morse-code-without-spaces-uniquely-decipherable Discusses how Morse code isn't very clear without the third (usually) unseen element, the space. Is ...
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1answer
81 views

How were the first computers on the internet connected? [closed]

The internet started as a small "net" of interconnected computers, but how were those computers connected? Was a chip manufactured to be installed onto the computer? Was it software?
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0answers
115 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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3answers
68 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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1answer
123 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
117 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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2answers
199 views

What kind of device is pictured on this Roman mosaic from Villa Tellaro, Sicily?

Based on numismatic evidence, this is dated in the second half of the fourth century CE
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4answers
281 views

The Needham Question: What stunted China's technological and proto-scientific advancement?

According to Joseph Needham Why did modern science, the mathematization of hypotheses about Nature, with all its implications for advanced technology, take its meteoric rise only in the West at ...
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1answer
164 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 ...
4
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1answer
86 views

Row for powers of 10 on 1950's French typewriter keyboards

In the movie Populaire, 1950's-era French typewriter keyboards are shown with dedicated "1", "10", "100", "1...", "10...", "100...", "1M", and "10M" keys on the top row. Was there a dedicated type ...
2
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1answer
50 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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1answer
360 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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1answer
198 views

Did Marco Polo write about or bring back fireworks from his travels?

I have read a lot of anecdotal accounts claiming that Marco Polo was "impressed" with fireworks he saw in Cathay, and other stories that he "brought back fire crackers" or "introduced gunpowder" to ...
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2answers
161 views

How was Euclid's Elements likely written?

How was Euclid's Elements written? I mean, what type of paper, ink and pen did Euclid likely use? As I guess there is no definite answer on this, you can also answer: How did people in 300 BC write ...
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4answers
240 views

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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1answer
60 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 ...
49
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3answers
8k views

When did bombs actually look like this?

I guess most are familiar with the cartoonish "bomb icon". It is used to warn of metaphorical or literal explosive danger and shows a deep black sphere with a smaller cylinder attached. That is where ...
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9answers
2k views

What is the best historical example of conflict between two cultures with differing levels of technology? [closed]

Let me start with some background, in fiction authors like to explore situations where the human race meets another civilization. As a rule of thumb both races in one way or another - sometimes after ...
3
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1answer
163 views

Invention of Planned Obsolescence

Excluding style obsolescence or any type of advertising, when was the first form of planned obsolescence concerning shortening the life of a product by making it break sooner or forcing a consumer to ...
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3answers
321 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, ...
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1answer
105 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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2answers
98 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?
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1answer
72 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, ...
9
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1answer
271 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
97 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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3answers
570 views

Why didn't the Persians make and use ballistas and other kinds of artillery?

In 1980 E.P.Thompson published an interesting paper called *Barbarian Invaders and Roman Collaborators *. Among other subjects he consdiers there the leakage from Rome to its enemies of technical ...
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2answers
150 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 ...
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2answers
296 views

Was the German Empire responsible for the advancement of german technology?

After the creation of the German Empire in 18 January 1871, there was a boom of advancement in Germany. Especially in chemistry, motors and electricity. At the same time Germany quickly grew as an ...
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1answer
1k 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 ...
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2answers
591 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 ...
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2answers
153 views

Printing - When did advertisements in colour became commonplace?

I wonder when colourful advertisements became commonplace in print (such as magazines or occasionally newspapers). I can imagine that colourful printing was far more expensive - so at what point did ...
5
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2answers
117 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 ...
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8answers
1k views

Did Heisenberg undermine the German atomic bomb by deliberately hiding his expertise from the Nazis?

Source. In his massive book Heisenberg's War: The Secret History of the German Bomb, Thomas Powers says that Heisenberg, who never became a Nazi and balked at the immorality of building a bomb for ...
5
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1answer
107 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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0answers
138 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 ...
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3answers
218 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
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1answer
153 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.
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1answer
59 views

Where would I find Graham Bell's kite experiment data?

I'm looking for experimental data (lift, drag, pull, etc...) of Graham Bell's tetrahedral kite. As he was a scientist and inventor I thought that he might have written some quantitative data down on ...
2
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1answer
142 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
165 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 ...
2
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1answer
94 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.
14
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3answers
3k views

How do Tamahagane, Damascus, and Toledo Steel compare?

Has a comparison been made of the qualities of Samurai (Tamahagane), Damascus and Toledo steel (rather than the swords)? I've seen claims for each being better than the others. If it's on topic, I'm ...
13
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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 ...
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1answer
730 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 ...
7
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2answers
184 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? ...
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6answers
587 views

What went wrong with India's scientific development as a society?

India had been among the "leaders" in scientific research spanning Mathematics, Medicine, Chemistry and others. ...
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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 ...
4
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1answer
112 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 ...