History of science and technology in Korea such as the division of Korea and the Korean War that occurred right after its independence. It wasn't until the 1960s under the dictatorship of Park Chung-hee where South Korea's economy rapidly grew from industrialisation and the Chaebol corporations such as Samsung and LG. As of 2008 South Korea ranked 5th highest in terms of R&D. Park Kye-jung, CEO of Ace Electronics, won the Gold and Silver prizes for his invention of motor and motor-equipped gear at the 23rd Invention and New Product Exposition, he took the gold medal with his invention of a special device that converts vibrations from
Multicultural family in South Korea also includes the families of foreign workers, North Korean refugee families, and ethnic Korean families moving to Korea. The first category, international marriage families, refers to a family consisting of a married Korean citizen and a foreign spouse. The second category, the families of foreign workers, includes those that foreign workers bring with them to Korea or new families formed by foreign workers in Korea. Most of those families include children. The third category, North Korean refugee families, is composed of residents from North Korea with the official registration. These people have left North Korean society with various motives. In