[language] as used to communicate between humans in writing or in speach. Also the development of the [technology] used for it. (Consider adding those tags as appropiate.)

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How did the Allies communicate during World War II?

I was wondering how the allied (America and England, since France was occupied by the Nazis) communicated securely with each other in 1943. I know that the SIGSALY existed, but I am most interested in ...
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333 views

The Purpose of Mystery Object 40.9.11

In the summer of 1915, a wireless telegraph station in Sayville, Long Island owned by the German company Telefunken was caught sending covert commands to U-Boats patrolling the Atlantic Ocean. The ...
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106 views

What capabilities did Southern soldiers in the American Civil War have to get news about the North?

My great-grandfather was a Confederate cavalry soldier fighting under Johnson's remaining forces after Lee's surrender. In his diary, he writes on April 18, 1865, "Good news today. Lincoln has been ...
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How would slaves have addressed their masters in Ancient Greece?

In Ancient Rome, slaves addressed their masters as Dominus or Domina (male or female, respectively). Would the slaves (or servants) of Ancient Greece have used a similar title, or would they have ...
3
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1answer
139 views

Historically, how did people living in distant regions communicate?

For example, how did Marco Polo manage to communicate with the Chinese and the Mongolians during his travels? Did he learn Chinese? Did he manage to find a Chinese translator somehow? Was there a ...
3
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2answers
230 views

Was the communication between Spitfire and other fighters' pilots encrypted?

If machines like SIGSALLY were occupying so much space like in the picture above, were the pilots' communication encrypted or somehow obscured in order to prevent the enemy from eavesdropping on the ...
3
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3answers
196 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 ...
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1answer
73 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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5answers
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Did the German Enigma machine use multiple encryption keys?

The German Enigma machines are the key for German victories during the early years of World War II. When the Allies managed to capture few Enigma machines and decode then the face of war began to ...
9
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225 views

How did lower classes with aspirations to high social standing greet each other in the Paris of the 1630's?

I am running a game of En Garde over on the RPG Stack Exchange. For purposes of verisimilitude, we're wondering about station-specific greetings in Paris in the 1630's. What would be an appropriate ...
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2answers
310 views

How did ancient empires account for slow propagation of information e.g. in their legal codes?

Mathematician Alain Connes cites a French legal rule that explicitly accounts for propagation of information at finite speeds substantially below the speed of light: There was a legal rule ...
5
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136 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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Did the communication lag become a problem for the ever expanding Roman Empire?

There is a dispute among historians over whether the Roman Empire collapsed because of its increasing size and system-imminent flaws which were not suited for this size. The bigger the territory, the ...
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1answer
746 views

How frequently were homing pigeons used in the World Wars?

It seems that the strategic weight of specially breeded pigeons is much higher than I thought at first, based on the number of pigeons used and the effort to stop them. (In WW2 Germans even trained ...
7
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1answer
119 views

Did all writing civilizations eventually produce cryptography?

I know some of the ancient civilizations did encrypt their messages. Did it happen everywhere where writing was known? If it didn't happen somewhere, what were the reasons?
13
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1answer
236 views

Castaways rescued by a message in a bottle?

Has there ever been a time when people were rescued by sending out a message in a bottle to drift across the sea? The "bottle" doesn't have to be an actual bottle. It could be a box, a cask, a ...
7
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1answer
249 views

During the American Civil War, could you send mail to someone across the border?

Before the Civil War, there was mail service between all the different states. During the war, could you still send a letter from, say New York to Georgia, or did the post office shut down services ...
4
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212 views

Looking for a particular documentary about history of long distance communication

I once watched a wonderful documentary about the history of long distance communication but have since forgot its title, where I saw it, and how to find it again. I really only remember two pieces of ...
3
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1answer
71 views

Quantitative comparison of transportation cost per kilometer over the centuries? [closed]

I am interested to see research on the development of transportation costs over the centuries. I realize the difficulty with researching this topic so I am interested in anything, which can enlighten ...