Development of Science and Technology During the Joseon period, the country’s science and technology developed remarkably. The Jagyeongnu (clepsydra), Angbuilgu (sundial), and Honcheonui (armillary ...

as well as bibliographic research in early Joseon." However, 'Daemyeongryul' became embroiled in controversy just over four months after its treasure designation. This is because it was identified ...

While her early works, such as “Song of Autumn Night ... reflecting the hardships of womanhood in Joseon. Some of her poems even take on a sharp, moralistic style, critiquing hedonistic ...