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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Are there any archeological finds or primary source drawings of the Chinese "blade shaped" bamboo-copter or rotary fans?

Bamboo-copter was a toy in China, dated to 400 BC. A Rotary Fan also existed in China around 180 AD. I'm interested in both of those things, as they work on the exact same principle. Do we have any ...
DrZ214's user avatar
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6 votes
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How did Europeans dye their garments black around 1800?

It is said budgetary restrictions made for example Lützower and Brunswickers chose black as their uniform colour. Since no state would provide funds for the equipment they brought old uniforms or ...
LаngLаngС's user avatar
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What method was used to create book illustrations in late 1800s/early 1900s?

There were (and are) many processes for producing printed images that were used in the 1800s, mostly variants of engraving, etching and lithography. Early books used woodcut images, which are usually ...
Inductiveload's user avatar
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Why did the UK use hewn stone cubes for homes far more often than France?

Why did the UK use hewn stone cubes (ashlar masonry) for homes far more often than France in the previous centuries? It would be rare to find this kind of rustic stone (rubble masonry ) in the UK, ...
bandybabboon's user avatar
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What type and size of paper, and corresponding to which modern font, would have been used for typewriters in 1896?

I am going to be doing a first-person performance of an 1896 lecture; the subject being "impersonated" (Mark Twain) sometimes carried sheaves of paper onto the platform; some of these sheets contained ...
B. Clay Shannon-B. Crow Raven's user avatar
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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?
Max's user avatar
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Who was responsible for the correct production of a Mesopotamian 'cubit rod' and whose fingers where used as the standard?

Who was responsible for the correct production of a Mesopotamian 'cubit rod' and whose fingers where used as the standard? Wikipedia notes that the standards changed but gives no source of these ...
Tom Sol's user avatar
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Was Frisbee criticized in the Soviet Union?

In the U.S. of the 1950s, the Space Age and molded plastic flying discs (Frisbees) were both novel. New materials and a supposed resemblance to UFOs made this linkage irresistible for early disc ...
Aaron Brick's user avatar
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2 votes
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Did the Soviet Union or China participate in the light bulb cartel? If not, in what ways did they differ and how long did their bulbs last?

The Phoebus cartel was a well known scheme to fix the standard lifespan of incandescent lightbulbs that arose at the beginning of the 20th century. See Although not implemented for ...
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What did people do about kerosene lamp fires?

In the late nineteenth century, kerosene lamps were widely used for illumination. They were effective and affordable, though had the nontrivial disadvantage of being a significant fire hazard; a lamp ...
rwallace's user avatar
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What did the study plan of a early 20th century mathematics major look like?

I am interested in what subjects and activities mathematics major were involved in the beggining of the 20th century. Most subjects mathematics majors study at an intermedium and advanced level now ...
Student2271's user avatar
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When did swamp/wetland conversion first begin, and what were the early methods for doing so?

I have been trying to do some research into the early history of humans using wetlands, but haven't had much luck. As I understand it so far, there are a number of methods of "wetland conversion&...
RothX's user avatar
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Help understanding exactly the phases of stone tool development during the stone age?

I have been studying how the stone tools evolved for the past few days, and think I am close to understanding roughly what the model is, but after reading a few recent papers, it seems there's a lot ...
Lance's user avatar
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Technological transfer/worker migration e.g. in ancient Egypt

My question revolves around how different inventions were shared between humans in ancient times, for example in ancient Egypt (between 3000 and 0 BC). Nowadays, science is often publicly funded and ...
Gaze's user avatar
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How do I find out some information about a business in the early 1980s?

I live outside the USA, and I need to find information about a certain "LAMO-LEM Laboratories", I have an address: Box 2382, La Jolla, CA 92038. But that's all. The web has not been kind to me wrt to ...
Dervin Thunk's user avatar
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Were primers for pistols in short supply?

I am talking about pre-cartridge pistols which used primers. Gunpowder could be made from fairly available raw materials but primers not only required I think harder-to-come-by elements like mercury ...
releseabe's user avatar
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Where can I find an historically accurate ordinary items database for dungeon-stocking and art

I swear I had found in the comments of one of Matthew Colville's "stocking the dungeon" videos a link to an enormous database of accurate lists of ordinary items that list REAL items that ...
Ace Frahm's user avatar
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