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Plantilla:Infobox Scientist Plantilla:Chinese name Shen Kuo or Shen Kua (Plantilla:Zh-cpw) (1031–1095), style name Cunzhong and pseudonym Mengqi Weng,[1] was a polymathic Chinese scientist and statesman of the Song Dynasty (960–1279). Excelling in many fields of study and statecraft, he was a mathematician, astronomer, meteorologist, geologist, zoologist, botanist, pharmacologist, agronomist, archaeologist, ethnographer, cartographer, encyclopedist, general, diplomat, hydraulic engineer, inventor, academy chancellor, finance minister, governmental state inspector, poet, and musician. He was the head official for the Bureau of Astronomy in the Song court, as well as an Assistant Minister of Imperial Hospitality.[2] At court his political allegiance was to the Reformist faction known as the New Policies Group, headed by Chancellor Wang Anshi (1021–1086).

In his Dream Pool Essays (夢溪筆談; Mengxi Bitan) of 1088, Shen was the first to describe the magnetic needle compass, which would be used for navigation (first described in Europe by Alexander Neckam in 1187).[3][4] Shen discovered the concept of true north in terms of magnetic declination towards the north pole,[4] with experimentation of suspended magnetic needles and "the improved meridian determined by Shen’s [astronomical] measurement of the distance between the polestar and true north".[5] This was the decisive step in human history to make compasses more useful for navigation, and may have been a concept unknown in Europe for another four hundred years.[6]

Alongside his colleague Wei Pu, Shen accurately mapped the orbital paths of the moon and the planets, in an intensive five-year project that rivaled the later work of the Danish astronomer Tycho Brahe (1546–1601).[7] To aid his work in astronomy, Shen Kuo made improved designs of the armillary sphere, gnomon, sighting tube, and invented a new type of inflow water clock. Shen Kuo devised a geological hypothesis for land formation (geomorphology), based upon findings of inland marine fossils, knowledge of soil erosion, and the deposition of silt.[8] He also proposed a hypothesis of gradual climate change, after observing ancient petrified bamboos that were preserved underground in a dry northern habitat that would not support bamboo growth in his time. He was the first literary figure in China to mention the use of the drydock to repair boats suspended out of water, and also wrote of the effectiveness of the relatively new invention of the canal pound lock. Although Ibn al-Haytham was the first to describe camera obscura, Shen was the first in China to do so, several decades later. Shen wrote extensively about movable type printing invented by Bi Sheng (990–1051), and because of his written works the legacy of Bi Sheng and the modern understanding of the earliest movable type has been handed down to later generations.[9]

Shen Kuo wrote several other books besides the Dream Pool Essays, yet much of the writing in his other books has not survived. Some of Shen's poetry was preserved in posthumous written works. Although much of his focus was on technical and scientific issues, he had an interest in divination and the supernatural, the latter including his vivid description of unidentified flying objects from eyewitness testimony. He also wrote commentary on ancient Daoist and Confucian texts.

LifeEditar

Birth and youthEditar

Shen Kuo was born in Qiantang (modern-day Hangzhou) in the year 1031. His father Shen Zhou (沈周; 978–1052) was a somewhat lower-class gentry figure serving in official posts on the provincial level; his mother was from a family of equal status in Suzhou, with her maiden name being Xu ().[10] Kuo received his initial childhood education from his mother, which was a common practice in China during this period.[10]Plantilla:Cref She was very educated herself, teaching Kuo and his brother Pi () the military doctrines of her own elder brother Xu Tang (許洞; 975–1016).[10] Since Shen was unable to boast of a prominent familial clan history like many of his elite peers born in the north, he was forced to rely on his wit and stern determination to achieve in his studies to enter the challenging and sophisticated life of an exam-drafted state bureaucrat.[10]

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From about 1040, Shen's family moved around Sichuan province and finally to the international seaport at Xiamen, where Shen's father accepted minor provincial posts in each new location.[11] Shen Zhou also served several years in the prestigious capital judiciary, the equivalent of a federal supreme court.[10] Shen Kuo took notice of the various towns and rural features of China as his family traveled, while he became interested during his youth in the diverse topography of the land.[11] He also observed the intriguing aspects of his father's engagement in administrative governance and the managerial problems involved in governance; experiences which would have a deep impact upon him as he later became a government official.[11] Since he often became ill as a child, Shen Kuo also developed a natural curiosity about medicine and pharmaceutics.[11]

Shen Zhou died in the late winter of 1051 (or early 1052), when his son Shen Kuo was 21 years old. Shen Kuo grieved for his father, and following Confucian ethics, remained inactive in a state of mourning for three years until 1054 (or early 1055).[12] As of 1054, Shen began serving in minor local governmental posts. However, his natural abilities to plan, organize, and design were proven early in life; one example is his design and supervision of the hydraulic drainage of an embankment system, which converted some one hundred thousand acres (400 km²) of swampland into prime farmland.[12] Shen Kuo noted that the success of the silt fertilization method relied upon the effective operation of sluice gates of irrigation canals.[13]

Official careerEditar

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In 1063 Shen Kuo successfully passed the Imperial examinations, the difficult national-level standard test that every high official was required to pass in order to enter the governmental system.[12] He not only passed the exam, however, but placed into the higher category of the best and brightest students.[12] While serving at Yangzhou, Shen's brilliance and dutiful character caught the attention of Zhang Chu (張蒭; 1015–1080), the Fiscal Intendant of the region. Shen made a lasting impression upon Zhang, who recommended Shen for a court appointment in the financial administration of the central court.[12] Shen would also eventually marry Zhang's daughter, who became his second wife.

In his career as a scholar-official for the central government, Shen Kuo was also an ambassador to the Western Xia Dynasty and Liao Dynasty,[14] a military commander, a director of hydraulic works, and the leading chancellor of the Hanlin Academy.[15] By 1072, Shen was appointed as the head official of the Bureau of Astronomy.[12] With his leadership position in the bureau, Shen was responsible for projects in improving calendrical science,[9] and proposed many reforms to the Chinese calendar alongside the work of his colleague Wei Pu.[7] With his impressive skills and aptitude for matters of economy and finance, Shen was appointed as the Finance Commissioner at the central court.[16] As written by Li Zhiyi, a man married to Hu Wenrou (granddaughter of Hu Su, a famous minister of the Song Dynasty), Shen Kuo was Li's mentor while Shen served as an official.[17] According to Li's epitaph for his wife, Shen would sometimes relay questions via Li to Hu when he needed clarification for his mathematical work, as Hu Wenrou was esteemed by Shen as a remarkable female mathematician; Shen lamented: "if only she were a man, Wenrou would be my friend."[17] While employed by the central government, Shen Kuo was also sent out with others to inspect the granary system of the empire, investigating problems of illegal collections, negligence, ineffective disaster relief, and inadequate water-conservancy projects.[18] While Shen was appointed as the regional inspector of Zhejiang in 1073, the Emperor requested that Shen pay a visit to the famous poet Su Shi (1037–1101), then an administrator in Hangzhou.[19] Shen took advantage of this meeting to copy some of Su's poetry, which he presented to the Emperor indicating that it expressed "abusive and hateful" speech against the Song court; these poems were later politicized by Li Ding and Shu Dan in order to level a court case against Su.[19] With his demonstrations of loyalty and ability, Shen Kuo was awarded the honorary title of a State Foundation Viscount by Emperor Shenzong of Song (r. 1067–1085), who placed a great amount of trust in Shen Kuo.[16] He was even made 'companion to the heir apparent' (太子中允; 'Taizi zhongyun').[1]

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At court Shen was a political favorite of the Chancellor Wang Anshi (1021–1086), who was the leader of the political faction of Reformers, also known as the New Policies Group (新法, Xin Fa).[20]Plantilla:Cref Shen Kuo had a previous history with Wang Anshi, since it was Wang who had composed the funerary epitaph for Shen's father, Zhou.[21] Shen Kuo soon impressed Wang Anshi with his skills and abilities as an administrator and government agent. In 1072, Shen was sent to supervise Wang's program of surveying the building of silt deposits in the Bian Canal outside the capital city. Using an original technique, Shen successfully dredged the canal and demonstrated the formidable value of the silt gathered as a fertilizer.[21] He gained further reputation at court once he was dispatched as an envoy to the Khitan Liao Dynasty in the summer of 1075.[21] The Khitans had made several aggressive negotiations of pushing their borders south, while manipulating several incompetent Chinese ambassadors who conceded to the Liao Kingdom's demands.[21] In a brilliant display of diplomacy, Shen Kuo came to the camp of the Khitan monarch at Mt. Yongan (near modern Pingquan, Hebei), armed with copies of previously archived diplomatic negotiations between the Song and Liao dynasties.[21] Shen Kuo refuted Emperor Daozong's bluffs point for point, while the Song reestablished their rightful border line.[21] With these reputable achievements, Shen became a trusted member of Wang Anshi's elite circle of eighteen unofficial core political loyalists to the New Policies Group.[21]

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Boundaries of the Northern Song Dynasty, the Liao Dynasty, and the Western Xia.

Although much of Wang Anshi's reforms outlined in the New Policies centered around state finance, land tax reform, and the Imperial examinations, there were also military concerns. This included policies of raising militias to lessen the expense of upholding a million soldiers,[22] putting government monopolies on saltpetre and sulphur production and distribution in 1076 (to ensure that gunpowder solutions would not fall into the hands of enemies),[23][24] and aggressive military policy towards China's northern rivals of the Western Xia and Liao dynasties.[25] A few years after Song Dynasty military forces had made victorious territorial gains against the Tanguts of the Western Xia, in 1080 Shen Kuo was entrusted as a military officer in defense of Yanzhou (modern-day Yan'an, Shaanxi province).[26] During the autumn months of 1081, Shen was successful in defending Song Dynasty territory while capturing several fortified towns of the Western Xia.[16] The Emperor Shenzong of Song rewarded Shen with numerous titles for his merit in these battles, and in the sixteen months of Shen's military campaign, he received 273 letters from the Emperor.[16] However, Emperor Shenzong trusted an arrogant military officer who disobeyed the emperor and Shen's proposal for strategic fortifications, instead fortifying what Shen considered useless strategic locations. Furthermore, this officer expelled Shen from his commanding post at the main citadel, so as to deny him any glory in chance of victory.[16] The result of this was nearly catastrophic, as the forces of the arrogant officer were decimated;[16] Xinzhong Yao states that the death toll was 60,000.[1] Nonetheless, Shen was successful in defending his fortifications and the only possible Tangut invasion-route to Yanzhou.[16]

Impeachment and later lifeEditar

The new Chancellor Cai Que (蔡確; 1036–1093) held Shen responsible for the disaster and loss of life.[16] Along with abandoning the territory which Shen Kuo had fought for, Cai ousted Shen from his seat of office.[16] Shen's life was now forever changed, as he lost his once reputable career in state governance and the military.[16] Shen was then put under probation in a fixed residence for the next six years. However, as he was isolated from governance, he decided to pick up the quill and dedicate himself to intensive scholarly studies. After completing two geographical atlases for a state-sponsored program, Shen was rewarded by having his sentence of probation lifted, allowing him to live in a place of his choice.[16] Shen was also pardoned by the court for any previous faults or crimes that were claimed against him.[16]

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In his more idle years removed from court affairs, Shen Kuo enjoyed pastimes of the Chinese gentry and literati that would indicate his intellectual level and cultural taste to others.[28] As described in his Dream Pool Essays, Shen Kuo enjoyed the company of the "nine guests" (jiuke), a figure of speech for the Chinese zither, Chinese chess, Zen Buddhist meditation, ink (calligraphy and painting), tea drinking, alchemy, chanting poetry, conversation, and drinking wine.[27] These nine activities were an extension to the older so-called Four Arts of the Chinese Scholar.

According to Zhu Yu's book Pingzhou Table Talks (萍洲可談; Pingzhou Ketan) of 1119, Shen Kuo had two marriages; the second wife was the daughter of Zhang Chu (張蒭), who came from Huainan. Lady Zhang was said to be overbearing and fierce, often abusive to Shen Kuo, even attempting at one time to pull off his beard. Shen Kuo's children were often upset over this, and prostrated themselves to Lady Zhang to quit this behavior. Despite this, Lady Zhang went as far as to drive out Shen Kuo's son from his first marriage, expelling him from the household. However, after Lady Zhang died, Shen Kuo fell into a deep depression and even attempted to jump into the Yangtze River to drown himself. Although this suicide attempt failed, he would die a year later.[29]

In the 1070s, Shen had purchased a lavish garden estate on the outskirts of modern-day Zhenjiang, Jiangsu province, a place of great beauty which he named "Dream Brook" ("Mengxi") after he visited it for the first time in 1086.[16] Shen Kuo permanently moved to the Dream Brook Estate in 1088, and in that same year he completed his life's written work of the Dream Pool Essays, naming the book after his garden-estate property. This book was Shen's ultimate attempt to comprehend and describe a multitude of various aspects of nature, science, and reality, and all the practical and profound curiosities found in the world. The literal translation of Mengxi Bitan is Dream Brook Brush Talks. For this, Shen Kuo is quoted as saying: "Because I had only my writing brush and ink slab to converse with, I call it Brush Talks."Plantilla:Cref It was there at his peaceful garden estate that Shen Kuo spent the last several years of his life in leisure, isolation, and illness, until his death in 1095.[16]

Scholarly achievementsEditar

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Shen Kuo wrote extensively on a wide range of different subjects. His written work included two geographical atlases, a treatise on music with mathematical harmonics, governmental administration, mathematical astronomy, astronomical instruments, martial defensive tactics and fortifications, painting, tea, medicine, and much poetry.[30] Shen's largest atlas included twenty three maps of China and foreign regions that were drawn at a uniform scale of 1:900,000.[5] Shen also created a three dimensional raised-relief map using sawdust, wood, beeswax, and wheat paste.[5] While visiting the iron producing district at Cizhou in 1075, Shen described the "partial decarborization" method of reforging cast iron under a cold blast, which Hartwell, Needham, and Wertime state is the predecessor of the Bessemer process.[31] Shen believed that trees were becoming scarce due to the needs of the iron industry and ink makers using pine soot in the production process, so he suggested for the latter an alternative of petroleum, which he believed was "produced inexhaustibly within the earth".[32][33]Plantilla:Cref Shen used the soot from the smoke of burned petroleum fuel (shi you or "rock oil" as Shen called it) to invent a new, more durable type of writing ink; the Ming Dynasty pharmacologist Li Shizhen (1518–1593) wrote that Shen's ink was "lustrous like lacquer, and superior to that made from pinewood lamp-black," or the soot from pinewood.[34][35] For pharmacology, Shen wrote of the difficulties of adequate diagnosis and therapy, as well as the proper selection, preparation, and administration of drugs.[36] He held great concern for detail and philological accuracy in identification, use and cultivation of different types of medicinal herbs, such as in which months medicinal plants should be gathered, their exact ripening times, which parts should be used for therapy; for domesticated herbs he wrote about planting times, fertilization, and other matters of horticulture.[37] In the realms of botany, zoology, and mineralogy, Shen Kuo documented and systematically described hundreds of different plants, agricultural crops, rare vegetation, animals, and minerals found in China.[38][39][40][41] For example, Shen noted that the mineral orpiment was used to quickly erase writing errors on paper.[42] Furthermore, Shen Kuo described the phenomena of natural predator insects controlling the population of pests, the latter of which had the potential to wreak havoc upon the agricultural base of China.[43]

Shen Kuo's scientific writings have received worldwide acclaim by many sinologists such as Joseph Needham and Nathan Sivin. His work has often been compared to that of his equally brilliant Chinese contemporary Su Song (1020–1101), the mechanical genius whose astronomical clock tower incorporated a waterwheel, clepsydra, escapement mechanism, and chain drive to operate the armillary sphere, opening doors, and rotating mannequins beating drums, bells, and holding announcement plaques. Shen Kuo has also been compared to many Western intellectual achievers and polymaths, such as Gottfried Leibniz and Mikhail Lomonosov.[44]

EngineeringEditar

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The writing of Shen Kuo is the only source for the date when the drydock was first used in China.[45] Shen Kuo wrote that during the Xi-Ning reign (1068–1077), the court official Huang Huaixin devised a plan for repairing 60 m (200 ft) long palatial boats that were a century old; essentially, Huang Huaixin devised the first Chinese drydock for suspending boats out of water.[45] These boats were then placed in a roof-covered dock warehouse to protect them from weathering.[45] Shen Kuo also wrote about the effectiveness of a relatively new invention (i.e. by the 10th century engineer Qiao Weiyo) of the pound lock to replace the old flash lock design used in canals.[46] He wrote that it saved the work of five hundred annual labors, annual costs of up to 1,250,000 strings of cash, and increased the size limit of boats accommodated from 21 tons/21000 kg to 113 tons/115000 kg.[46]

If it were not for Shen Kuo's analysis and quoting in his Dream Pool Essays of the writings of the architect Yu Hao (fl. 970), the latter's work would have been lost to history.[47]Plantilla:Cref Yu designed a famous wooden pagoda that burned down in 1044 and was replaced in 1049 by a brick pagoda (the 'Iron Pagoda') of similar height, but not of his design. From Shen's quotation—or perhaps Shen's own paraphrasing of Yu Hao's Timberwork Manual (木經; Mujing)—shows that already in the 10th century there was a graded system of building unit proportions, a system which Shen states had become more precise in his time but stating no one could possibly reproduce such a sound work.[48][49] However, he did not anticipate the more complex and matured system of unit proportions embodied in the extensive written work by scholar-official Li Jie (1065–1110), the Treatise on Architectural Methods (營造法式; Yingzao Fashi) of 1103.[50][49] Klaas Ruitenbeek states that the version of the Timberwork Manual quoted by Shen is most likely Shen's summarization of Yu's work or a corrupted passage of the original by Yu Hao, as Shen writes: "According to some, the work was written by Yu Hao."[48]

AnatomyEditar

Shen also took interest in human anatomy, dispelling the long-held Chinese theory that the throat contained three valves, writing, "When liquid and solid are imbibed together, how can it be that in one's mouth they sort themselves into two throat channels?"[37] Shen maintained that the larynx was the beginning of a system that distributed vital qi from the air throughout the body, and that the esophagus was a simple tube that dropped food into the stomach.[51] Following Shen's reasoning and correcting the findings of the dissection of executed bandits in 1045, an early 12th century Chinese account of a bodily dissection finally supported Shen's belief in two throat valves, not three.[52] Also, the later Song Dynasty judge and early forensic expert Song Ci (1186–1249) would promote the use of autopsy in order to solve homicide cases, as written in his Collected Cases of Injustice Rectified.[53]

Mathematics and opticsEditar

Further information: Chinese mathematics
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In the broad field of mathematics, Shen Kuo mastered many practical mathematical problems, including many complex formulas for geometry,[54] 'packing' equations for calculus,[55] and chords and arcs problems employing trigonometry.[56] Shen addressed problems of writing out very large numbers, as large as 1043.[57] Shen's "technique of small increments" laid the foundation in Chinese mathematics for packing problems involving equal difference series.[57] Sal Restivo writes that Shen used summation of higher series to ascertain the number of kegs which could be piled in layers in a space shaped like the frustum of a rectangular pyramid.[58] In his formula "technique of intersecting circles", he created an approximation of the arc of a circle s given the diameter d, sagita v, and length of the chord c subtending the arc, the length of which he approximated as s = c + 2v2/d.[57] Restivo writes that Shen's work in the lengths of arcs of circles provided the basis for spherical trigonometry developed in the 13th century by Guo Shoujing (1231–1316).[58] He also simplified the counting rods technique by outlining short cuts in algorithm procedures used on the counting board, an idea expanded on by the mathematician Yang Hui (1238–1298).[59] Victor J. Katz asserts that Shen's method of "dividing by 9, increase by 1; dividing by 8, increase by 2," was a direct forerunner to the rhyme scheme method of repeated addition "9, 1, bottom add 1; 9, 2, bottom add 2".[60]

Shen wrote extensively about what he had learned while working for the state treasury, including mathematical problems posed by computing land tax, estimating requirements, currency issues, metrology, and so forth.[61] Shen once computed the amount of terrain space required for battle formations in military strategy,[62] and also computed the longest possible military campaign given the limits of human carriers who would bring their own food and food for other soldiers.[63]

Shen Kuo experimented with the pinhole camera and burning mirror as the ancient Chinese Mohists had done in the 4th century BC. Although the Iraqi Muslim scientist Ibn al-Haitham (965–1039) was the first to experiment with camera obscura, Shen Kuo was the first to apply geometrical and quantitative attributes to the camera obscura, just several decades after Ibn al-Haitham's death.[64] Using a fitting metaphor, Shen compared optical image inversion to an oarlock and waisted drum.[65]

Shen wrote about the earlier Yi Xing (672–717), a Buddhist monk who applied an early escapement mechanism to a water-powered celestial globe. By using mathematical permutations, Shen described Yi Xing's calculation of possible positions on a go board game. Shen calculated the total number for this using up to five rows and twenty five game pieces, which yielded the number 847,288,609,443.[66][67]

Magnetic needle compassEditar

Since the time of the engineer and inventor Ma Jun (c. 200–265), the Chinese had used a mechanical device known as the South Pointing Chariot in order to navigate on land (and possibly at sea, as the Song Shu text of c. 500 alludes). This device was especially impressive, since it featured the use of a differential gear, an essential component used in the correct steering and application of equal amount of torque for the wheels of all modern automobiles. In 1044 the Collection of the Most Important Military Techniques (武經總要; Wujing Zongyao) recorded that fish-shaped objects cut from sheet iron, magnetized by thermoremanence (essentially, heating that produced weak magnetic force), and placed in a water-filled bowl enclosed by a box were used for directional pathfinding alongside the South Pointing Chariot.[68][69]

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However, it was not until the time of Shen Kuo that the earliest magnetic compasses would be used for navigation. In his written work, Shen Kuo made one of the first references in human history to the magnetic compass-needle, the concept of true north, and its use for navigation at sea.[15][70] He wrote that steel needles were magnetized once they were rubbed with lodestone, and that they were put in floating position or in mountings; he described the suspended compass as the best form to be used, and noted that the magnetic needle of compasses pointed either south or north.[68][71] Shen Kuo asserted that the needle will point south but with a deviation,[71] stating "[the magnetic needles] are always displaced slightly east rather than pointing due south."[68]

Shen Kuo wrote that it was preferable to use the twenty-four-point rose instead of the old eight compass cardinal points — and the former was recorded in use for navigation shortly after Shen's death.[5] The preference of use for the twenty-four-point-rose compass may have arisen from Shen's finding of a more accurate astronomical meridian, determined by his measurement between the polestar and true north;[5] however, it could also have been inspired by geomantic beliefs and practices.[5] The book of the author Zhu Yu, the Pingzhou Table Talks published in 1119 (written from 1111 to 1117), was the first record of use of a compass for seafaring navigation.[70] However, Zhu Yu's book recounts events back to 1086, when Shen Kuo was writing the Dream Pool Essays; this meant that in Shen's time the compass might have already been in navigational use.[72] In any case, Shen Kuo's writing on magnetic compasses has proved invaluable for understanding China's earliest use of the compass for seafaring navigation.

ArchaeologyEditar

Further information: Song Dynasty#Archaeology
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Many of Shen Kuo's contemporaries were interested in antiquarian pursuits of collecting old artworks.[74] They were also interested in archaeological pursuits, although for rather different reasons than why Shen Kuo held an interest in archaeology. While Shen's educated Confucian contemporaries were interested in obtaining ancient relics and antiques in order to revive their use in rituals, Shen was more concerned with how items from archeological finds were originally manufactured and what their functionality would have been, based on empirical evidence.[75] Shen Kuo criticized those in his day who reconstructed ancient ritual objects using only their imagination and not the tangible evidence from archeological digs or finds.[75] Shen also disdained the notion of others that these objects were products of the "sages" or the aristocratic class of antiquity, rightfully crediting the items' manufacture and production to the common working people and artisans of previous eras.[75] Fraser and Haber write that Shen Kuo "advocated the use of an interdisciplinary approach to archaeology and practiced such an approach himself through his work in metallurgy, optics, and geometry in the study of ancient measures."[75]

While working in the Bureau of Astronomy, Shen Kuo's interest in archaeology and old relics led him to reconstruct an armillary sphere from existing models as well as from ancient texts that could provide additional information.[75] Shen used ancient mirrors while conducting his optics experiments.[75] He observed ancient weaponry, describing the scaled sight devices on ancient crossbows and the ancients' production of swords with composite blades that had a midrib of wrought iron and low-carbon steel while having two sharp edges of high-carbon steel.[75] Being a knowledgeable musician, Shen also suggested suspending an ancient bell by using a hollow handle.[75] In his assessment of the carved reliefs of the ancient Zhuwei Tomb, Shen stated that the reliefs demonstrate genuine Han Dynasty (202 BC–220 AD) era clothing.[76]

GeologyEditar

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The ancient Greek Aristotle (384 BC–322 BC) wrote in his Meteorology of how the earth had the potential for physical change, including the belief that all rivers and seas at one time did not exist where they were, and were dry. The Greek writer Xenophanes (570 BC–480 BC) wrote of how inland marine fossils were evidence that massive periodic flooding had wiped out mankind several times in the past, but never wrote of land formation or shifting seashores.[77] The later Persian Muslim scholar Abū Rayhān al-Bīrūnī (973–1048) hypothesized that India was once covered by the Indian Ocean while observing rock formations at the mouths of rivers.[78]

It was Shen Kuo who formulated a hypothesis about the process of land formation (geomorphology) based upon several observations as evidence. This included his observation of fossil shells in a geological stratum of a mountain hundreds of miles from the ocean. He inferred that the land was reshaped and formed by erosion of the mountains, uplift, and the deposition of silt, after observing strange natural erosions of the Taihang Mountains and the Yandang Mountain near Wenzhou.[79] He hypothesized that, with the inundation of silt, the land of the continent must have been formed over an enormous span of time.[80] While visiting the Taihang Mountains in 1074, Shen Kuo noticed strata of bivalve shells and ovoid rocks in a horizontal-running span through a cliff like a large belt.[80] Shen proposed that the cliff was once the location of an ancient seashore that by his time had shifted hundreds of miles east.[80] Shen wrote that in the Zhiping reign period (1064–1067) a man of Zezhou unearthed an object in his garden that looked like a serpent or dragon, and after examining it, concluded the dead animal had apparently turned to "stone".[81][82] The magistrate of Jincheng, Zheng Boshun, examined the creature as well, and noted the same scale-like markings that were seen on other marine animals.[81][82] Shen Kuo likened this to the "stone crabs" found in China.[81][82]

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Shen also wrote that since petrified bamboos were found underground in a climatic area where they had never been known to be grown, climates naturally shifted geographically over time.[82][83] Around the year 1080, Shen Kuo noted that a landslide on the bank of a large river near Yanzhou (modern Yan'an) had revealed an open space several dozens of feet under the ground once the bank collapsed.[82][83] This underground space contained hundreds of petrified bamboos still intact with roots and trunks, "all turned to stone" as Shen Kuo wrote.[82][83] Shen Kuo noted that bamboos do not grow in Yanzhou, located in northern China, and he was puzzled during which previous dynasty the bamboos could have grown.[82][83] Considering that damp and gloomy low places provide suitable conditions for the growth of bamboo, Shen deduced that the climate of Yanzhou must have fit that description in very ancient times.[82][83] Although this would have intrigued many of his readers, the study of paleoclimatology in medieval China never developed into an established discipline.

The philosopher Zhu Xi (1130–1200) wrote of this curious natural phenomenon of fossils as well. He was known to have read the works of Shen Kuo.[82] Shen's description of soil erosion and weathering predated that of Georgius Agricola in his book of 1546, De veteribus et novis metallis.[84] Furthermore, Shen's theory of sedimentary deposition predated that of James Hutton, who published his groundbreaking work in 1802 (considered the foundation of modern geology).[84] Historian Joseph Needham likened Shen's account to that of the Scottish scientist Roderick Murchison (1792–1871), who was inspired to become a geologist after observing a providential landslide.

MeteorologyEditar

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Early speculation and hypothesis pertaining to what is now known as meteorology had a long tradition in China before Shen Kuo. For example, the philosopher Wang Chong (27–97) accurately described the process of the water cycle.[85] Shen wrote vivid descriptions of tornadoes—the first known description of them in East Asia—and gave reasoning (earlier proposed by Sun Sikong, 1015–1076) that rainbows were formed by the shadow of the sun in rain, occurring when the sun would shine upon it.[32][86][87] Paul Dong writes that Shen's explanation of the rainbow as a phenomenon of atmospheric refraction "is basically in accord with modern scientific principles."[88] Shen hypothesized that rays of sunlight refract before reaching the surface of the earth, hence people on earth observing the sun are not viewing it in its exact position.[88] Shen also hypothesized that the altitude of the apparent sun is higher than the actual latitude of the sun.[88] Dong writes that "at the time, this discovery was remarkably original."[88]

Astronomy and instrumentsEditar

Further information: Chinese astronomy
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Being the head official for the Bureau of Astronomy, Shen Kuo was an avid scholar of medieval astronomy, and improved the designs of several astronomical instruments. Shen is credited with making improved designs of the gnomon, armillary sphere, and clepsydra clock.[89] For the clepsydra he designed a new overflow-tank type, and argued for a more efficient higher-order interpolation instead of linear interpolation in calibrating the measure of time.[89] Improving the 5th century model of the astronomical sighting tube, Shen Kuo widened its diameter so that the new calibration could observe the polestar indefinitely.[89] This came about due to the position of the polestar shifting in position since the time of Zu Geng in the 5th century, hence Shen Kuo diligently observed the course of the polestar for three months, plotting the data of its course and coming to the conclusion that it had shifted slightly over three degrees.[89] Apparently this astronomical finding had an impact upon the intellectual community in China at the time. Even Shen's political rival and contemporary astronomer Su Song featured Shen's corrected position of the polestar (halfway between Tian shu, at -350 degrees, and the current Polaris) in the fourth star map of his celestial atlas.[90] Along with his colleague Wei Pu in the Bureau of Astronomy, Shen Kuo plotted out exact coordinates of planetary and lunar movements by recording their astronomical observations three times a night for a continuum of five years.[7] Although star maps were created then and in previous times, an extensively long and time-consuming method of astronomical observation on the scale of Shen Kuo and Wei Pu's project was not proposed in Europe until the time of the astronomer Tycho Brahe (1546–1601).[7]

Archivo:Clock Tower from Su Song's Book.JPG

The astronomical phenomena of the solar eclipse and lunar eclipse had been known in China since at least the time of the astronomers Gan De (fl. 4th century BC) and Shi Shen (fl. 4th century BC), since it was Shi Shen who gave instructions on predicting the eclipses based on the relative position of the moon to the sun.[91] The philosopher Wang Chong argued against the 'radiating influence' theory of Jing Fang's writing in the 1st century BC and that of the astronomer Zhang Heng (78–139), the latter two of whom correctly hypothesized that the brightness of the moon was merely light reflected from the sun.[92] Jing Fang had written in the 1st century BC of how it was long accepted in China that the sun and moon were spherical in shape ('like a crossbow bullet'), not flat.[93] Shen Kuo also wrote of solar and lunar eclipses in this manner, yet expanded upon this to explain why the celestial bodies were spherical, going against the 'flat earth' theory for celestial bodies.[94] However, there is no evidence to suggest that Shen Kuo supported a round earth theory, which was introduced into Chinese science by Matteo Ricci and Xu Guangqi in the 17th century.[95] When the Director of the Astronomical Observatory asked Shen Kuo if the shapes of the sun and moon were round like balls or flat like fans, Shen Kuo explained that celestial bodies were spherical because of knowledge of waxing and waning of the moon.[94] Much like what Zhang Heng had said, Shen Kuo likened the moon to a ball of silver, which does not produce light, but simply reflects light if provided from another source (the sun).[94] He explained that when the sun's light is slanting, the moon appears full.[94] He then explained if one were to cover any sort of sphere with white powder, and then viewed from the side it would appear to be a crescent, hence he reasoned that celestial bodies were spherical.[94][88] He also wrote that, although the sun and moon were in conjunction and opposition with each other once a month, this did not mean the sun would be eclipsed every time their paths met, because of the small obliquity of their orbital paths.[94][96]

Shen Kuo is also known for his cosmological hypotheses in explaining the variations of planetary motions, including retrogradation.[97] His colleague Wei Pu realized that the old calculation technique for the mean sun was inaccurate compared to the apparent sun, since the latter was ahead of it in the accelerated phase of motion, and behind it in the retarded phase.[98] Shen's hypotheses were similar to the concept of the epicycle in the Greco-Roman tradition,[97] only Shen compared the side-section of orbital paths of planets and variations of planetary speeds to points in the tips of a willow leaf.[99][100] In a similar rudimentary physical analogy of celestial motions, as John B. Henderson describes it, Shen likened the relationship of the moon's path to the ecliptic, the path of the sun, "to the figure of a rope coiled about a tree."[100]

The Song Dynasty astronomers of Shen's day still retained the lunar theory and coordinates of the earlier Yi Xing, which after 350 years had devolved into a state of considerable error.[7] Shen criticized earlier Chinese astronomers for failing to describe celestial movement in spacial terms, yet he did not attempt to provide any reasoning for the motive power of the planets or other celestial movements.[100] Shen and Wei kept astronomical records for the moon similar to those they recorded for the planets, plotting its location three times a night for five successive years.[7] The officials and astronomers at court deeply opposed Wei and Shen's work, offended by their insistence that the coordinates of the renowned Yi Xing were inaccurate.[101] They also slandered Wei Pu, out of resentment that a commoner had expertise exceeding theirs.[102] When Wei and Shen made a public demonstration using the gnomon to prove the doubtful wrong, the other ministers reluctantly agreed to correct the lunar and solar errors.[101][103] Despite this success, they eventually dismissed Wei and Shen's tables of planetary motions.[21] Therefore, only the worst and most obvious planetary errors were corrected, and many inaccuracies remained.[102]

Movable type printingEditar

Main gallery: History of typography in East Asia.
Archivo:Jingangjing.jpg

Shen Kuo wrote that during the Qingli reign period (1041–1048), under Emperor Renzong of Song (1022–1063), an obscure commoner and artisan known as Bi Sheng (990–1051) invented ceramic movable type printing.[104][105] Although the use of assembling individual characters to compose a piece of text had its origins in antiquity, Bi Sheng's methodical innovation was something completely revolutionary for his time. Shen Kuo noted that the process was tedious if one only wanted to print a few copies of a book, but if one desired to make hundreds or thousands of copies, the process was incredibly fast and efficient.[104] Beyond Shen Kuo's writing, however, nothing is known of Bi Sheng's life or the influence of movable type in his lifetime.[106] Although the details of Bi Sheng's life were scarcely known, Shen Kuo wrote:

When Bi Sheng died, his fount of type passed into the possession of my followers (i.e. one of Shen's nephews), among whom it has been kept as a precious possession until now.[2][107]

Archivo:Chinese movable type 1313-ce.png

There are a few surviving examples of books printed in the late Song Dynasty using movable type printing.[108] This includes Zhou Bida's Notes of The Jade Hall (玉堂雜記) printed in 1193 using the method of baked-clay movable type characters outlined in the Dream Pool Essays.[109] Yao Shu (1201–1278), an advisor to Kublai Khan, once persuaded a disciple Yang Gu to print philological primers and Neo-Confucian texts by using what he termed the "movable type of Shen Kuo".[110] Wang Zhen (fl. 1290–1333), who wrote the valuable agricultural, scientific, and technological treatise of the Nong Shu, mentioned an alternative method of baking earthenware type with earthenware frames in order to make whole blocks.[110] Wang Zhen also improved its use by inventing wooden movable type in the years 1297 or 1298, while he was a magistrate of Jingde, Anhui province.[111] The earlier Bi Sheng had experimented with wooden movable type,[112] but Wang's main contribution was improving the speed of typesetting with simple mechanical devices, along with the complex, systematic arrangement of wooden movable type involving the use of revolving tables.[113] Although later metal movable type would be used in China, Wang Zhen experimented with tin metal movable type, but found its use to be inefficient.[114]

By the 15th century, metal movable type printing was developed in Ming Dynasty China (and earlier in Joseon Korea, by the mid 13th century), and was widely applied in China by at least the 16th century.[115] In Jiangsu and Fujian, wealthy Ming era families sponsored the use of metal type printing (mostly using bronze). This included the printing works of Hua Sui (1439–1513), who pioneered the first Chinese bronze-type movable printing in the year 1490.[116] In 1718, during the mid Qing Dynasty (1644–1912), the scholar of Tai'an known as Xu Zhiding developed movable type with enamelware instead of earthenware.[110] There was also Zhai Jinsheng (b. 1784), a teacher of Jingxian, Anhui, who spent thirty years making a font of earthenware movable type, and by 1844 he had over 100,000 Chinese writing characters in five sizes.[110]

Despite these advances, movable type printing never gained the amount of widespread use in East Asia that woodblock printing had achieved since the Chinese Tang Dynasty in the 9th century. With written Chinese, the vast amount of written morpheme characters impeded movable type's acceptance and practical use, and was therefore seen as largely unsatisfactory.[104] Furthermore, the European printing press, first invented by Johannes Gutenberg (1398–1468), was eventually wholly adopted as the standard in China, yet the tradition of woodblock printing remains popular in East Asian countries still.

Beliefs, philosophy, and phenomenonEditar

Further information: Chinese philosophy
Archivo:Dong Yuan Mountain Hall.jpg
Archivo:Mencius2.jpg
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Shen Kuo's writings were not all about scientific or practical subjects. Besides his writing on Chinese divination, magic, and folklore, Shen Kuo was also an art critic. Shen criticized the artwork of the painter Li Cheng (919–967) for failing to observe the principle of "seeing the small from the viewpoint of the large" in portraying buildings and the like.[117] He praised the works of Dong Yuan (c. 934–c. 962); he noted that although a close-up view of Dong's work would create the impression that his brush techniques were cursory, seen from afar his landscape paintings would give the impression of grand, resplendent, and realistic scenery.[118][119][120] In addition, Shen's writing on Dong's artworks represents the earliest known reference to the Jiangnan style of painting.[121] In his "Song on Painting" and in his Dream Pool Essays, Shen praised the creative artworks of the Tang painter Wang Wei (701–761); Shen noted that Wang was unique in that he "penetrated into the mysterious reason and depth of creative activity," but was criticized by others for not conforming his paintings to reality, such as his painting with a banana tree growing in a snowy, wintry landscape.[122][123][124]

Despite all of his scientific achievements, Shen Kuo was much in favor of philosophical Daoist notions which challenged the authority of empirical science in his day. Although much could be discerned through empirical observation and recorded study, Daoism asserted that the secrets of the universe were boundless, something that scientific investigation could merely express in fragments and partial understandings.[125] Shen Kuo referred to the ancient Daoist Book of Changes in explaining the spiritual processes and attainment of foreknowledge that cannot be attained through "crude traces", which he likens to mathematical astronomy.[125] Nathan Sivin proposes that Shen was the first in history to "make a clear distinction between our unconnected experiences and the unitary causal world we postulate to explain them," which Biderman and Scharfstein state is arguably inherent in the works of Heraclitus, Plato, and Democritus as well.[126] Shen was a firm believer in destiny and prognostication, and made rational explanations for the relations between them.[127] Shen held a special interest in fate, mystical divination, bizarre phenomena, yet warned against the tendency to believe that all matters in life were preordained.[128] When describing an event where lightning had struck a house and all the wooden walls did not burn (but simply turned black) and lacquerwares inside were fine, yet metal objects had melted into liquid, Shen Kuo wrote:

Most people can only judge of things by the experiences of ordinary life, but phenomena outside the scope of this are really quite numerous. How insecure it is to investigate natural principles using only the light of common knowledge, and subjective ideas.[129]

In his commentary on the ancient Confucian philosopher Mencius (372 BC–289 BC), Shen wrote of the importance of choosing to follow what one knew to be a true path, yet the heart and mind could not attain full knowledge of truth through mere sensory experience.[65] In his own unique way but using terms influenced by the ideas of Mencius, Shen wrote of an autonomous inner authority that formed the basis for one's inclination towards moral choices, a concept linked to Shen's life experiences of surviving and obtaining success through self-reliance.[65] Along with his commentary on the Chinese classic texts, Shen Kuo also wrote extensively on the topics of supernatural divination and Buddhist meditation.[130]

In a passage of the Dream Pool Essays called "Strange Happenings", Shen provided a peculiar account of an unidentified flying object that Professor Zhang Longqiao of the Chinese Department of Peking Teachers College states is "a clue that a flying craft from some other planet once landed somewhere near Yangzhou in China."[131] Zhang popularized this account in Beijing's Guang Ming Daily on February 18, 1979, in an article called "Could It Be That A Visitor From Outer Space Visited China Long Ago?"[131] Shen wrote that, during the reign of Emperor Renzong (1022–1063), an object as bright as a pearl occasionally hovered over the city of Yangzhou at night, but described first by local inhabitants of eastern Anhui and then in Jiangsu.[131] Shen wrote that a man near Xingkai Lake observed this curious object; allegedly it:

...opened its door and a flood of intense light like sunbeams darted out of it, then the outer shell opened up, appearing as large as a bed with a big pearl the size of a fist illuminating the interior in silvery white. The intense silver-white light, shot from the interior, was too strong for human eyes to behold; it cast shadows of every tree within a radius of ten miles...Then all of a sudden, the object took off at a tremendous speed and descended upon the lake like the sun setting.[132]

Shen went on to say that Yibo, a poet of Gaoyou, wrote a poem about this "pearl" after witnessing it. Shen wrote that since the "pearl" often made an appearance around Fanliang in Yangzhou, the people there erected a "Pearl Pavilion" on a wayside, where people came by boat in hopes to see the mysterious flying object.[133]

Dream Pool EssaysEditar

Main gallery: Dream Pool Essays.

As the historian Chen Dengyuan points out, much of Shen Kuo's written work was probably purged under the leadership of minister Cai Jing (1046–1126), who revived the New Policies of Wang Anshi, although he set out on a campaign of attrition to destroy or radically alter the written work of his predecessors and especially Conservative enemies.[134] For example, only six of Shen's books remain, and four of these have been significantly altered since the time they were penned by the author.[135] The Dream Pool Essays was first quoted in a Chinese written work of 1095, showing that even towards the end of Shen's life his final book was becoming widely printed.[136] Shen Kuo's Dream Pool Essays consists of some 507 separate essays exploring a wide range of subjects.[137] The book was originally 30 chapters long, yet an unknown Chinese author's edition of 1166 edited and reorganized the work into 26 chapters.[136] There is one surviving copy of this 1166 edition housed now in Japan, while a Chinese reprint was produced in 1305 as well.[136] In 1631 another edition was printed, but it was heavily reorganized into three broad chapters.[136] In the Chiwuming Shitukao (Illustrated Investigations of the Names and Natures of Plants) book of 1848, written material of Shen's Mengxi Bitan is mentioned often, such as classifications of plant species.[38]

In modern times, the best attempt at a complete list and summary of Shen's writing was an appendix written by Hu Daojing in his standard edition of Brush Talks, written in 1956.[134] Of the 1166 Chinese edition, it was accurately translated into Japanese by the History of Science Seminar, Institute for Research in Humanities (Jimbun Kagaku Kenkyusho) for Kyoto University, printed by the author Umehara Kaoru in his 3 volume edition of Bokei hitsudan (1978–1981).[138] Selected translations of the Dream Pool Essays from Middle Chinese into modern Vernacular Chinese was made by Zhang Jia Ju's biographical work Shen Kuo (1962). Zhang's biography on Shen is of great importance as it contains—according to the historian Nathan Sivin (b. 1931)—the fullest and most accurate account of Shen Kuo's life.[138] The largest amount of selected translations in English for the Dream Pool Essays are found in various volumes of Joseph Needham's Science and Civilization in China series, from 1954 onwards.[138] In French, quoted excerpts from the Dream Pool Essays were printed in the written work of J. Brenier in 1989 Plantilla:Cref as well as J. F. Billeter in 1993.Plantilla:Cref

Other written worksEditar

Archivo:SuShi-Portrait.jpg

Although the Dream Pool Essays is certainly his most extensive and important work, Shen Kuo wrote other books as well. In 1075, Shen Kuo wrote the Xining Fengyuan Li (熙寧奉元曆; The Oblatory Epoch astronomical system of the Splendid Peace reign period), which was lost, but listed in a 7th chapter of a Song Dynasty bibliography.[139] This was the official report of Shen Kuo on his reforms of the Chinese calendar, which were only partially adopted by the Song court's official calendar system.[139] Shen Kuo wrote a pharmaceutical treatise known as the Liang Fang (良方; Good medicinal formulas), compiled sometime during his years of retirement from governmental service.[140] Around the year 1126 it was combined into a written work of the famous Su Shi (1037–1101), who was ironically a political opponent to Shen Kuo's faction of Reformers and New Policies supporters at court,[140] yet it was known that Shen Kuo and Su Shi were nonetheless friends and associates.[141] Shen wrote the Mengqi Wanghuai Lu (夢溪忘懷錄; Record of longings forgotten at Dream Brook), which was also compiled during Shen's retirement. This book was a treatise in the working since his youth on rural life and ethnographic accounts of living conditions in the isolated mountain regions of China.[142] Only quotations of it survive in the Shuo Fu (說郛) collection, which mostly describe the agricultural implements and tools used by rural people in high mountain regions. Shen Kuo also wrote the Changxing Ji (長興集; Collected Literary Works of [the Viscount of] Changxing). However, this book was without much doubt a posthumous collection, including various poems, prose, and administrative documents written by Shen.[142] By the 15th century (during the Ming Dynasty), this book was reprinted, yet only the 19th chapter remained.[142] This chapter was reprinted in 1718, yet poorly edited.[142] Finally, in the 1950s the author Hu Daojing supplemented this small yet valuable work with additions of other scattered poems written by Shen, in the former's Collection of Shen Kua's Extant Poetry (Shanghai: Shang-hai Shu-tian, 1958).[142] In the tradition of the popular Song era literary category of 'travel record literature' ('youji wenxue'),[143] Shen Kuo also wrote the Register of What Not to Forget, a traveler's guide to what type of carriage is suitable for a journey, the proper foods one should bring, the special clothing one should bring, and many other items.[144]

In his Sequel to Numerous Things Revealed, the Song author Cheng Dachang (1123–1195) noted that stanzas prepared by Shen Kuo for military victory celebrations were later written down and published by Shen.[145] This includes a short poem "Song of Triumph" by Shen Kuo, who uses the musical instrument mawei huqin ('horse-tail barbarian stringed instrument' or 'horse-tail fiddle'[146]) of the northwestern nomads as a metaphor for prisoners-of-war led by Song troops:

Archivo:Cquote1.png
The mawei huqin followed the Han chariot,
Its music sounding of complaint to the Khan.
Do not bend the bow to shoot the goose within the clouds,
The returning goose bears no letter.
Archivo:Cquote2.png
Shen Kuo[145]

Historian Jonathan Stock notes that the bent bow described in the poem above represents the arched bow used to play the huqin, while the sound of the instrument itself represented the discontent expressed by the prisoners-of-war with their defeated khan.[145]

LegacyEditar

In the Routledge Curzon Encyclopedia of Confucianism, Xinzhong Yao states that Shen Kuo's legacy was tainted by his eager involvement in Wang Anshi's New Policies reforms, his actions criticized in the later traditional histories.[1] However, Shen's reputation as a polymath has been well-regarded. The British sinologist, historian, and biochemist Joseph Needham (1900–1995) stated that Shen Kuo was "one of the greatest scientific minds in Chinese history."[147] The French sinologist Jacques Gernet (b. 1921) is of the opinion that Shen possessed an "amazingly modern mind."[148] Yao states of Shen's thorough recording of natural sciences in his Dream Pool Essays:

We must regard Shen Kuo's collection as an indispensable primary source attesting to the unmatched level of attainment achieved by Chinese science prior to the twelfth century.[149]

However, Toby E. Huff writes that Shen Kuo's "scattered set" of writings lacks clear-cut organization and "theoretical acuteness," that is, scientific theory.[150] Nathan Sivin wrote that Shen's originality stands "cheek by jowl with trivial didacticism, court anecdotes, and ephemeral curiosities" that provide little insight.[150] Donald Holzman writes that Shen "has nowhere organized his observations into anything like a general theory."[150] Huff writes that this was a systemic problem of early Chinese science, which lacked systematic treatment that could be found in European works such as the Concordance and Discordant Canons by the lawyer Gratian of Bologna (fl. 12th century).[150]

Upon his death, Shen Kuo was interred at a tomb in Yuhang District of Hangzhou, at the foot of the Taiping Hill.[151] His tomb was eventually destroyed, yet Ming Dynasty records indicated its location, which was found in 1983 and protected by the government in 1986.[151] The remnants of the tomb's brick structure remained, along with Song Dynasty glassware and coins.[151] The Hangzhou Municipal Committee completed a restoration of Shen's tomb in September of 2001. In addition to his tomb, Shen Kuo's Mengxi garden estate, his former two acre (8,000 m²) property in Zhenjiang, was restored by the government in 1985.[152] However, the renovated Mengxi Garden is only part of the original of Shen Kuo's time.[153] A Qing Dynasty era hall built on the site is now used as the main admissions gate.[152] In the Memorial Hall of the gardens, there is a large painting depicting the original garden of Shen Kuo's time, including wells, green bamboo groves, stone-paved paths, and decorated walls of the original halls.[153] In this exhibition hall there stands a 1.4 m (4.6 ft) tall statue of Shen Kuo sitting on a platform, along with centuries-old published copies of his Dream Pool Essays in glass cabinets, one of which is from Japan.[153] At the garden estate there are also displayed marble banners, statues of Shen Kuo, and a model of an armillary sphere; a small museum gallery depicts Shen's various achievements.[152]

The Chinese Mount Zijinshan Observatory discovered a new planetoid in 1964; in 1979, the Chinese Academy of Sciences decided to honor Shen by listing "Shen Kuo" as one of its names.

See alsoEditar

NotesEditar

Citations Editar

  1. 1,0 1,1 1,2 1,3 Yao, 544.
  2. 2,0 2,1 Needham, Volume 4, Part 2, 33.
  3. Bowman, 599.
  4. 4,0 4,1 Mohn, 1.
  5. 5,0 5,1 5,2 5,3 5,4 5,5 Sivin, III, 22.
  6. Embree, 843.
  7. 7,0 7,1 7,2 7,3 7,4 7,5 Sivin, III, 18.
  8. Sivin, III, 23–24.
  9. 9,0 9,1 Bowman, 105.
  10. 10,0 10,1 10,2 10,3 10,4 Sivin, III, 1.
  11. 11,0 11,1 11,2 11,3 Sivin, III, 5.
  12. 12,0 12,1 12,2 12,3 12,4 12,5 Sivin, III, 6.
  13. Needham, Volume 4, Part 3, 230-231.
  14. Steinhardt, 316.
  15. 15,0 15,1 Needham, Volume 1, 135.
  16. 16,00 16,01 16,02 16,03 16,04 16,05 16,06 16,07 16,08 16,09 16,10 16,11 16,12 16,13 Sivin, III, 9.
  17. 17,0 17,1 Tao et al., 19.
  18. Hymes, 109.
  19. 19,0 19,1 Hartman, 22.
  20. Sivin, III, 3.
  21. 21,0 21,1 21,2 21,3 21,4 21,5 21,6 21,7 Sivin, III, 7.
  22. Ebrey, 164.
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  25. Sivin, III, 4–5.
  26. Sivin, III, 8.
  27. 27,0 27,1 Lian, 20.
  28. Lian, 24.
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  33. Menzies, 24.
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  35. Deng, 36.
  36. Sivin, III, 29.
  37. 37,0 37,1 Sivin, III, 30-31.
  38. 38,0 38,1 Needham, Volume 6, Part 1, 475.
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  40. Needham, Volume 6, Part 1, 501.
  41. Sivin, III, 30.
  42. Cherniack, 95–96.
  43. Needham, Volume 6, Part 1, 545.
  44. Sivin, III, 11.
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  47. Needham, Volume 4, 141.
  48. 48,0 48,1 Ruitenbeek, 26.
  49. 49,0 49,1 Chung, 19.
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  51. Sivin, III, 31.
  52. Sivin, III, 30-31, Footnote 27.
  53. Sung, 12, 19, 20, 72.
  54. Needham, Volume 3, 39.
  55. Needham, Volume 3, 145.
  56. Needham, Volume 3, 109.
  57. 57,0 57,1 57,2 Katz, 308.
  58. 58,0 58,1 Restivo, 32.
  59. Katz, 308–309.
  60. Katz, 309.
  61. Sivin, III, 12, 14.
  62. Sivin, III, 14.
  63. Ebrey et al., 162.
  64. Needham, Volume 4, Part 1, 98.
  65. 65,0 65,1 65,2 Sivin, III, 34.
  66. Sivin, III, 15.
  67. Needham, Volume 3, 139.
  68. 68,0 68,1 68,2 Sivin, III, 21.
  69. Needham, Volume 4, Part 1, 252.
  70. 70,0 70,1 Hsu, 102.
  71. 71,0 71,1 Elisseeff, 296.
  72. Needham, Volume 4, Part 3, 463.
  73. Fairbank, 33.
  74. Ebrey et al., East Asia, 163.
  75. 75,0 75,1 75,2 75,3 75,4 75,5 75,6 75,7 Fraser & Haber, 227.
  76. Rudolph, 176.
  77. Desmond, 275: 692-707
  78. Salam, 179-213.
  79. Needham, Volume 3, 603–604.
  80. 80,0 80,1 80,2 Sivin, III, 23.
  81. 81,0 81,1 81,2 Needham, Volume 3, 618.
  82. 82,0 82,1 82,2 82,3 82,4 82,5 82,6 82,7 82,8 Chan, 15.
  83. 83,0 83,1 83,2 83,3 83,4 Needham, Volume 3, 614.
  84. 84,0 84,1 Needham, Volume 3, 604.
  85. Needham, Volume 3, 468.
  86. Sivin (1984), 534.
  87. Kim, 171.
  88. 88,0 88,1 88,2 88,3 88,4 Dong, 72.
  89. 89,0 89,1 89,2 89,3 Sivin, III, 17.
  90. Needham, Volume 3, 278.
  91. Needham, Volume 3, 411.
  92. Needham, Volume 3, 413–414.
  93. Needham, Volume 3, 227.
  94. 94,0 94,1 94,2 94,3 94,4 94,5 Needham, Volume 3, 415–416.
  95. Fan, 431–432.
  96. Dong, 71–72.
  97. 97,0 97,1 Sivin, III, 16.
  98. Sivin, III, 19.
  99. Sivin, II, 71–72.
  100. 100,0 100,1 100,2 Henderson, 128.
  101. 101,0 101,1 Sivin, III, 18–19.
  102. 102,0 102,1 Sivin, II, 73.
  103. Sivin, II, 72.
  104. 104,0 104,1 104,2 Needham, Volume 5, Part 1, 201.
  105. Gernet, 335.
  106. Needham, Volume 5, Part 1, 202–203.
  107. Sivin, III, 27.
  108. Wu, 211-212.
  109. Xu Yinong Moveable Type Books (徐忆农 活字本) ISBN 7806437959
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  111. Needham, Volume 5, Part 1, 206.
  112. Needham, Volume 5, Part 1, 205–206.
  113. Needham, Volume 5, Part 1, 208.
  114. Needham, Volume 5, Part 1, 217.
  115. Needham, Volume 5, Part 1, 211.
  116. Needham, Volume 5, Part 1, 212.
  117. Needham, Volume 4, 115.
  118. Stanley-Baker, 23.
  119. Barnhart, 25.
  120. Li (1965), 61.
  121. Barnhart, 24.
  122. Li (1965), 37–38, Footnote 98.
  123. Li (1974), 149.
  124. Parker, 175.
  125. 125,0 125,1 Ropp, 170.
  126. Biderman & Scharfstein, xvii.
  127. Sivin, III, 34-35.
  128. Sivin, III, 35.
  129. Needham, Volume 3, 482.
  130. Ebrey, Cambridge Illustrated History of China, 148.
  131. 131,0 131,1 131,2 Dong, 69.
  132. Dong, 69–70.
  133. Dong, 70–71.
  134. 134,0 134,1 Sivin, III, 44.
  135. Sivin, III, 44–45.
  136. 136,0 136,1 136,2 136,3 Sivin, III, 45.
  137. Bodde, 86.
  138. 138,0 138,1 138,2 Sivin, III, 49.
  139. 139,0 139,1 Sivin, III, 46.
  140. 140,0 140,1 Sivin, III, 47.
  141. Needham, Volume 1, 137.
  142. 142,0 142,1 142,2 142,3 142,4 Sivin, III, 48.
  143. Hargett, 67.
  144. Hargett, 71.
  145. 145,0 145,1 145,2 Stock, 94.
  146. Stock, 108.
  147. Fraser & Haber, 226–227.
  148. Gernet, 338.
  149. Yao, 545.
  150. 150,0 150,1 150,2 150,3 Huff, 303.
  151. 151,0 151,1 151,2 Yuhang Cultural Network (October 2003). Shen Kuo's Tomb The Yuhang District of Hangzhou Cultural Broadcasting Press and Publications Bureau. Retrieved on 2007-05-06.
  152. 152,0 152,1 152,2 Zhenjiang.gov (October 2006). Talking Park The Zhenjiang municipal government office. Retrieved on 2007-05-07.
  153. 153,0 153,1 153,2 The Zhenjiang Foreign Experts Bureau (June 2002). Mengxi Garden The Zhenjiang Foreign Experts Bureau. Retrieved on 2007-05-07.

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