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The origin of the English word 'tangram' is unclear. One conjecture holds that it is a compound of the Greek element '-gram' derived from γράμμα ('written character, letter, that which is drawn') with the 'tan-' element being variously conjectured to be Chinese t'an 'to extend' or Cantonese t'ang 'Chinese'. [5]
A puzzle ball on display at the Overseas Museum, Bremen. A Chinese puzzle ball, sometimes known as a devil's work ball (Chinese: 鬼工球; pinyin: guǐ gōng qiú) or the Concentric Ball (Chinese: 同心球; pinyin: tóng xīn qiú), is a Chinese-made artifact that consists of a number of intricately carved concentric hollow spheres carved from a single solid block that fit within one another ...
This sub-section is about paper making; for the writing material first used in ancient Egypt, see papyrus.. Paper: Although it is recorded that the Han dynasty (202 BC – AD 220) court eunuch Cai Lun (50 AD – AD 121) invented the pulp papermaking process and established the use of new materials used in making paper, ancient padding and wrapping paper artifacts dating from the 2nd century BC ...
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The Complete Classics Collection of Ancient China is known as the Gujin Tushu Jicheng (traditional Chinese: 古今圖書集成; simplified Chinese: 古今图书集成; pinyin: Gǔjīn Túshū Jíchéng; Wade–Giles: Ku-chin t'u-shu chi-ch'eng; lit. 'complete collection of illustrations and books from the earliest period to the present') or Qinding Gujin Tushu Jicheng (Chinese ...
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For example, the early Chinese name *kroŋ (江 jiāng) for the Yangtze was later extended to a general word for 'river' in south China. Norman and Mei suggest that the word is cognate with Vietnamese sông (from *krong) and Mon kruŋ 'river'. [141] [142] [143] Haudricourt and Strecker have proposed a number of borrowings from the Hmong–Mien ...
A puzzle lock or puzzle padlock is a type of mechanical puzzle. It consists of a lock with unusual or hidden mechanics. Puzzle locks are reconfigurable mechanisms where the topological structure changes during the operation. [1] Such locks are sometimes called trick locks, because there is a trick to opening them which needs to be found. Puzzle ...