North Korea officially the Democratic People's Republic of Korea (DPRK About this sound listen), is a country in East Asia, in the northern part of the Korean Peninsula. Pyongyang is both the nation's capital as well as its largest city. To the north and northwest the country is bordered by China and by Russia along the Amnok (known as the Yalu in China) and Tumen rivers.The country is bordered to the south by South Korea (officially the Republic of Korea), with the heavily fortified Korean Demilitarized Zone separating the two. The origins of the Korean state began with Korean pottery dating back to 8000 BC, with three kingdoms flourishing in the 1st century BC. The name Korea is derived from the Kingdom of Goguryeo, also spelled as Koryŏ, which was one of East Asia's greatest empires. During the 7th century, Korea under Later Silla and Balhae dynasties enjoyed over a millennium of relative tranquility under long lasting dynasties with the invention of the Hangul script, created by Sejong the Great in 1446.
1- science museum and education centre in Pyongyang