Today i will introduce to you is the korean scientist "Jang Young-sil"
As a scientist of the Joseon Dynasty in Korea, he made various inventions that are the foundation of science now.
Among them, the most representative inventions produced the astronomical observation device,
"Ganwa Honcheon," and invented the most necessary items of life of the time, such as the water clock, "Jeongjeongru" sundial, "Angbuilgu."
His invention made life more convenient for ordinary people during the Joseon Dynasty and contributed greatly to the increase in agricultural production.
It can also be said that his invention was the foundation of Korean science.
여기 문장에서 혹시 이상한부분이나 잘못쓰인 문법이 있는지 한번만 봐주라,,