- Oct 2024
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www.sjsu.edu www.sjsu.edu
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Arabic numerals were actually invented in India by the Hindus around 600 AD.
This is a fun fact to know as by the name you would think other wise
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This may be surprising since we tend to think of the Muslim world as being separated from Europe.
It’s interesting to see how they actually worked hand in hand in some ways.
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Every major Islamic city in medieval times had an extensive library; in Cordoba and Baghdad the libraries claim to have had over 400,000 books
They had many ways to learn with many books available to them
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Scientific knowledge, architecture, mathematics, and philosophy flourished in Spain during the rule of the Umayyad
A lot of the important things flourished in Spain and that’s intriguing.
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www.sjsu.edu www.sjsu.edu
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Albert Einstein one remarked that there is no difficulty in understanding why Indian or China did not create science
I wonder why he felt that way?
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. In 1331, cannons were by German knights used to capture a town in Italy, Cividale and Edward III brought at least twenty guns and gunpowder with him in his siege of Calais in 1346. In any case, by 1418, the city of Ghent was ordering 7200 cast iron cannonballs. In an age of warfare, this new technology was exploited to the fullest by Europeans.
It seems cannons where a big use in war in the older times of wars.
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At the beginning, most of the troops fought on foot with weapons carried in their hands
It’s interesting to see how wars was in the older times compared to now.
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The first known recipe for saltpetre, the principal ingredient of gunpowder, can be found in a Chinese military manual written by Wu Ching Tsung Yao from 1044
Gunpowder has been around for a long time and it interesting to see how it’s improved and how it’s used now.
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Metal movable type was first created in Korea in the 15th century
It’s interesting how it was invented in the 15th century and how it moved to other places.
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www.sjsu.edu www.sjsu.edu
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Another key innovation in the 13th century was the introduction into Europe of the spinning wheel.
The spinning wheel was a really important inventions as that brought other important innovations.
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The growth of towns meant the development of a new type of worker and here the craftsmen become very important.
It’s interesting that until the growth of towns is when craftsmen became important and not sooner.
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Through the clock, "time took on the character of an enclosed space: it could be divided, it could be filled up, it could even be expanded by the invention of labor-saving instruments"
I found this as an interesting way of describing what time became and what it was for them.
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- Sep 2024
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www.sjsu.edu www.sjsu.edu
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debate as to the definition and identity of technology
what are the two sides main arguments for what they believe technology to do?
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