Questions tagged [technology]
Tag for questions on the application of theoretical or scientific knowledge for a practical objective, including methodologies, techniques, or processes.
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Was Leonardo da Vinci recognized as an inventor during his lifetime, or mainly as an artist?
Leonardo da Vinci is remembered today not only for masterpieces like the Mona Lisa and The Last Supper, but also for his notebooks filled with mechanical drawings and innovative ideas. Because of ...
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What was a Babylonian "fiery furnace" like?
Chapter 3 of the Book of Daniel tells the story of three Jewish youths, during the Babylonian captivity, who refused to betray their faith, and got thrown into a "burning fiery furnace" as ...
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US agencies phone numbers in the 1960s-1970s
For those who have a memory of it, I would like to understand the structure of the numbering plans and phone numbers of US agencies in the 1960s-1970s.
In an old congressional phonebook from 1971
I ...
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What is the academic perspective on the origin time frames of rope/string or the tying of things with primitive fibers and such?
So far I have read that the "blade" was constructed over 1mya. Meanwhile, the spear was constructed at least 500kya (tying a blade to a stick). Hafted arrows, on the other hand (which have a ...
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How solid is the claim that Alfred Nobel founded the Nobel Prize specifically because of his invention of dynamite?
I've heard this claim my whole life. It gets repeated a lot.
It's even listed at the American Chemical Society
Nobel created dynamite to help people in building and mining, but he and others also ...
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Did firearm projectiles start being rifled before barrels?
I think this is a better fit here than on engineering SE (which has a firearms tag), because it pertains to firearm development more so than firearm capabilities.
In any case, I always found the ...
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How did they build tall and heavy stone buildings in the 19th century? [closed]
Lately, I've been watching these videos about how a lot of buildings allegedly built in the mid-to-late 19th century (1800s) look extremely old even on the photos taken when they were supposedly just ...
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Are there any open-source 3D reconstructions of Ancient Rome?
I was wondering if there are any open-source i.e. crowdsourced projects generating 3D models of Ancient Rome during the Republic and Imperial Times? I’m especially interested in the area of the Forum ...
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What train route did the 200 inch Hale telescope mirror blank take from Corning NY to Pasadena CA in 1936? Did it go through or near Elmira NY?
My father either claimed to have thrown rocks at the 200 inch cast Pyrex mirror blank destined for the Hale telescope on Mt. Palomar being shipped by train from Corning, NY (or at least he joked that ...
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Are there examples of artwork which anachronistically showed ancients equipped with firearms?
I do not mean modern art which does something like that humorously but rather for example a medieval painter showing Pharoah's army equipped with muzzleloaders due to the artist being unaware of the ...
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Why did army in Napoleon era never use hand-grenades to temporarily disrupt the square formation?
Grenades were used by European, Muslims, and Chinese before 1800. However, there were no noticeable field-battle involving the hand grenades during the Napoleon era. One would imagine that grenades ...
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Are there any concepts that Da Vinci drew in his notebooks that still have not been realized today?
I know that da Vinci had a sketch of a perpetual motion wheel and a perpetual water pump but is there anything else he conceived of that modern science (mid-late 2023) has not achieved yet?
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How difficult was it to spoof the sender of a telegram in 1890-1920's in USA?
For my current genealogical research, I'm interested in how telegrams were sent inside the USA, in the 1890's through 1920's. I do not have copies of any actual telegrams that were sent or received; ...
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Where can I find a picture or physical description of the A3 scramble telephone system?
Who has a picture or physical description of the A3 scramble telephone system, which was used for speech privacy by Roosevelt and Churchill between 1940 and 1943. The system was most likely located ...
user61079
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Where was the AT&T radio station in 1942 in New York?
How did transatlantic telephony of AT&T work in 1942? Where was the radio station? In New York?
I am studying the A3 scramble machine Roosevelt and Churchill used, which was replaced with the ...
user61079