Three Kingdoms Period
The production of hard-fired stoneware ceramics, in which clay is vitrified in kilns at >1000°C, occurred first in the Korean Peninsula during the Three Kingdoms Period.
This period is notable for the establishment of industrial-scale production of pottery and roof tiles. This involved the adoption of climbing kiln or 'dragon kiln' technology sometime between AD 100-300.
One of very few examples of science and technology during the Three Kingdoms of Korea that has survived until this day is the Cheomseongdae, which means "star gazing platform" and is one of the oldest observatories installed on Earth. It was built during Queen Seondeok's rule. The tower is built out of 366 pieces of cut granite which some claim represent the 366 days of the lunar year and has 12 base stones which supposedly represent the twelve months of the year. The design is said to be strongly influenced by Buddhism.
The nine-story wooden pagoda of Hwangnyongsa, which was commissioned by Queen Seondeok after the main temple was finished, is reputed to be the largest premodern Korean stupa ever built. It was reported to be 80 metres in height. Only its foundation stones remain today but they attest to the mammoth proportions of the original structure.
Read more about this topic: History Of Science And Technology In Korea
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