see strength of materialsstrength of materials, measurement in engineering of the capacity of metal, wood, concrete, and other materials to withstand stress and strain. Stress is the internal force exerted by one part of an elastic body upon the adjoining part, and strain is the deformation or change in. ..... Click the link for more information.
The Koreans are believed to have originated from ancient China. This is gathered from the archaeological and linguist evidence.
The Korean Peninsula is a region located in Eastern Asia extending south from the Asian continent for about 683 miles (1,100 km). Today, it is politically divided into North Korea and South Korea. North Korea is located on the northern part of the peninsula and it extends from China south to the 38th parallel of latitude. South Korea then extends from that area and encompasses the rest of the Korean Peninsula.