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 the now-defunct ACME Communications. While Tribune-owned stations such as WGN-TV in Chicago, WPIX in New York City and KTLA in Los Angeles (along with most of the ACME stations) aired programming from The WB, they did not fit the standard definition of an owned-and-operated station. A similar exception existed when UPN launched in January 1995 by co-owners Chris-Craft and Viacom. Each of the companies owned a number of stations that aired the network. However, the stations were also not considered O&Os under the initial standard definition. This ambiguity ended with Viacom's buyout of Chris-Craft's share of the network in 2000,