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
Owned-and-operated station non-commercial religious television networks (such as the Trinity Broadcasting Network and Daystar) own the vast majority of their stations, with only a few privately owned outlets carrying their programming (in the case of TBN and Daystar, both networks own their stations directly and through subsidiary licensees, such as Community Educational Television for TBN and Word of God Fellowship for Daystar). Owned-and-operated stations used to be common in the days of network radio, however beginning in the 1980s, these radio networks began to be broken up. For all intents and purposes, NBC no longer exists as a radio network, beyond brand