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This is a list of Korean inventions and discoveries. == Premodern inventions == * Underfloor heating: Until recently, Koreans were thought to have invented under-floor heating, a system they call "ondol".〔 〕 It was first thought to have been invented by the people of the Northern Okjeo around 2,500 years ago. However, the recent discovery of a c. 3,000-year-old equivalent indoor heating system in Alaska has called current explanation into question.〔 The absence of prehistoric and/or ancient ondol features in the area between the two archaeological sites makes it unlikely that the two systems might have come from the same source.〔〔Application of the control methods for radiant floor cooling system in residential buildings Building and Environment Volume 41, Issue 1, January 2006, Pages 60-73 ()〕〔温突—朝鲜族民居的独特采暖方式 2000. Journal of Shenyang Archit Civil Eng Univ ()〕 * Movable type printing, transitioned from ceramic type to metal cast type,〔http://www1.korea-np.co.jp/pk/070th_issue/98111805.htm〕 occurred in 1234 during the Goryeo Dynasty of Korea and is credited to Choe Yun-ui. A set of ritual books, ''Sangjeong Gogeum Yemun'' were printed with the movable metal type in 1234.〔 〕 Examples of this metal type are on display in the Asian Reading Room of the Library of Congress in Washington, D.C.〔(World Treasures of the Library of Congress ). Retrieved 26 December 2006.〕 The oldest extant movable metal print book is the Jikji, printed in Korea in 1377.〔Michael Twyman, ''The British Library Guide to Printing: History and Techniques'', London: The British Library, 1998 (online )〕 In 1392, movable copper type was also invented in Korea.〔https://books.google.com/books?id=O2MhulpUa_cC&pg=PA188&dq=copper+movable+type+1392&hl=en&sa=X&ei=zABDVejAFoHBsQWpk4HwAw&ved=0CCMQ6AEwAQ#v=onepage&q=copper%20movable%20type%201392&f=false〕 * Kiln sauna: ''Hanjeungmak'' (한증막; 汗蒸幕) is Korean traditional sauna using burning wood of pine to heat a domelike kiln made of stones. The first mention of hanjeungmak is found in the "Sejong Sillok," in the Annals of the Joseon Dynasty in the 15th century. * Active Greenhouse: this type of greenhouses, in which it is possible for the temperature to be increased or decreased manually, appeared in the 15th century Korea. Sanga yorok written in the year 1450 AD in Korea, contained descriptions of a greenhouse, which was designed to regulate the temperature and humidity requirements of plants and crops. One of the earliest records of the Annals of the Joseon Dynasty in 1438 confirms growing mandarin trees in a Korean traditional greenhouse during the winter and installing a heating system of Ondol.〔The Garden History Society, Garden History Advanced Horticultural Techniques in Korea: The Earliest Documented Greenhouses. pp. 68-84. W. S. MANEY AND SON LIMITED, 2007〕 * Multiple rocket launcher: Hwacha is a Multiple rocket launcher which was a platform device on wheels that used gunpowder to fire fire arrows, a predecessor of the modern MLRS.〔(【引用サイトリンク】History of Rocket exhibition will be open )〕 * Pluviometer: Cheugugi was first standardized pluviometer, invented during the reign of King Sejong the Great in Joseon Dynasty of Korea.〔(Weathershack history on rain gauge )〕〔(About.com Inventors )〕〔(측우기 測雨器, Naver encyclopedia )〕 It was used throughout the country for official purposes. * Featural alphabet: Hangul is a featural alphabet, wherein the shapes of the letters are not arbitrary, but encode phonological features of the phonemes they represent.〔Sampson, Geoffrey (1990). Writing Systems. Stanford University Press.〕 * Armored warship: Turtle ships were large armored warships built during the Joseon dynasty from the early 15th century. *Time bomb: The first time bomb called ''Pigyok Chinchollae'' (비격진천뢰;飛擊震天雷) was developed during the Imjin War (1592-1598) by a technician, Yi Chang-son (이장손;李長孫).〔http://londonkoreanlinks.net/2009/10/30/macgyver-and-the-imjin-war/〕〔:ko:비격진천뢰〕 It was used to project into enemy camps and formations by mortar. (대완구) 〔:ko:대완구〕 * Naval Artillery: The world's first naval guns were used by the Koreans to counter Japanese piracy during the Goryeo Dynasty in the 1370s.〔http://legacy.www.hani.co.kr/section-010100020/2004/11/010100020200411241519001.html〕 * Soft bullet-proof vest: Myeonje Baegab is a soft bullet-proof vest invented by Kim Gi-du and Gang Yun in the late 1860s in the Joseon Dynasty.〔(The Hankyoreh, 21. Feb. 2007 )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「List of Korean inventions and discoveries」の詳細全文を読む スポンサード リンク
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