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9. 9. History of Technology Considered one of the most important inventions in history, the wheel is more than 5000 years old and has been crucial to mechanical devices ever since it emerged. The wheels shown here are relatively sophisticated in comparison to the earliest models. In the case of a fixed axle, the wheel is held in place beside the chassis by a small peg and revolves independent of the axle. (This model differs from another standard design, the moving axle, in which the axle is firmly fixed to the wheel and the two components revolve as a unit.) Early forms of roller bearings, devices that help wheels to turn more smoothly, were developed around 100 bc. Wheels were initially solid disks, but gradually evolved into the spoked design, which is both light and strong. : --
10. 10. , () () 9 http://m.blog.daum.net/bes365/4070 http://okrtn79210.egloos.com/m/2964539 http://www.timeseoul.com/bbs/board.php?bo_table=sub02_01&wr_id=35
11. 11. 10 http://yoosi0211.tistory.com/155
12. 12. , , , 13 , 11 , , . , 18 365 . . . 11 http://m.blog.daum.net/munsuan/9211410
13. 13. : 12 John Harrison
14. 14. 13
15. 15. 14 Sound Barrier ()
16. 16. History of Technology Today no other machine is so ubiquitous 98m (Big Ben) . Benjamin Hall 13.5 . 96m, 7m, 15 1859 . , ,
17. 17. History of Technology Clocks and Watches, devices used to measure or indicate the passage of time. A clock, which is larger than a watch, is usually intended to be kept in one place; a watch is designed to be carried or worn. Both types of timepieces require a source of power and a means of transmitting and controlling it, as well as indicators to register the lapse of time units. . . . -,
18. 18. History of Technology . () 1 . () . . , . , , ,
19. 19. History of Technology 40 . 5 . 5 . . , 4 . 12 . . "! ?" . " " . " " ". ." . -,
20. 20. 19 ( )
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23. 23. 22
24. 24. 23 http://www.history.com/photos/inventions- communication/photo1
25. 25. 24 Benjamin Franklin The Newspaper Man
26. 26. 25 http://www.history.com/photos/inventions-communication/photo1 1844 , http://www.etnews.com/200207190010
27. 27. 26 http://www.history.com/photos/inventions-communication/photo1 1876
28. 28. (1877) 27 http://en.wikipedia.org/wiki/Phonograph#mediaviewer/File:EdisonPhonograph.jpg
29. 29. 28
30. 30. 29
31. 31. 30 1894 6 1901 12 12 S . (by ) http://www.nobel.or.kr/science-story/physics- science-story/1611.htm
32. 32. 31 On Christmas Eve 1906
33. 33. Television 32 John Logie Baird with his "televisor", circa 1925
34. 34. 33
35. 35. 34 1948
36. 36. Computer 35 The machine was huge, weighing 30 tons, using 200 kilowatts of electric power and contained over 18,000 vacuum tubes, 1,500 relays, and hundreds of thousands of resistors, capacitors, and inductors
37. 37. Satellite 36 Sputnik 1, 1957
38. 38. Internet (1969) 37 Protocols NCP, TCP/IP
39. 39. Mobile Phone (1973) 38
40. 40. Smartphone 39
41. 41. 40
42. 42. 41
43. 43. 42
44. 44. 43
45. 45. 44 (Tablet) PC/ () - (-) 15 19 20 20 21 () : ex. () / () Here & Now , spectacle , , , ()
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48. 48. 47 Flight Patterns
49. 49. 48
50. 50. 49
51. 51. 50
52. 52. 51
53. 53. () 52 0 20000 40000 60000 80000 100000 120000 2010 2011 2012 2013 (: ) : 2014 ,
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55. 55. : 54 Rich Ling: .
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57. 57. 56 0 50000 100000 150000 200000 250000 300000 350000 400000 2012 2013 2014 2015 ( : ) : (2014)
58. 58. 57
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60. 60. 59
61. 61. Present Absence, Absent Presence, Connected Presence 60
62. 62. 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 1 2 3 4 Kakao Browsing Social Productivity Multi_enter Lifestyle Communication Gaming Photo Finance Social game ?
63. 63. 0:00:00 0:00:43 0:01:26 0:02:10 0:02:53 0:03:36 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 0 1 2 3 4 SNS Web Browser Gaming Texting Video Voice calls Camera & Photo Clock & Alarm Music Webtoon LBS Viewer
64. 64.
65. 65. 0~9 a.m. 9~1 p.m. 1~5 p.m. 5~9 p.m. 9 p.m.~12a.m.Niche Breadth Overall 17.30% 18.50% 20.60% 21.90% 21.70% 0.992 SNS 12.60% 17.80% 21.10% 23.20% 25.20% 0.954 Web Browser 20.80% 17.40% 17.80% 19.90% 24.10% 0.985 Gaming 16.80% 17.70% 19.90% 21.50% 24.10% 0.983 Texting 7.70% 27.00% 26.60% 23.00% 12.30% 0.919 Video 24.60% 11.70% 13.10% 23.50% 27.10% 0.909 Voice calls 6.90% 23.30% 29.60% 28.20% 12.00% 0.831 Camera & Photo 12.70% 17.50% 23.60% 24.20% 22.00% 0.955 Clock & Alarm 67.10% 11.10% 8.40% 6.60% 6.80% 0.418 Music 21.30% 16.30% 20.30% 22.90% 19.30% 0.988 Webtoon 26.50% 16.50% 14.60% 15.10% 27.30% 0.926 LBS 13.60% 21.80% 25.40% 24.80% 14.50% 0.941 Document viewer 22.70% 15.10% 19.90% 19.10% 23.20% 0.979 Etc. 18.50% 19.50% 21.20% 21.60% 19.70% 0.988
66. 66.
67. 67. Mobility
68. 68.
69. 69. Nature 439, 462-465 (26 January 2006)
70. 70. Human Mobility
71. 71. Gonzalez, Marta C., Cesar A. Hidalgo, and Albert-Laszlo Barabasi. "Understanding individual human mobility patterns." Nature 453:779n 206
72. 72.
73. 73. 0 .1.2.3.4.5 0 10000 20000 30000 40000 mobility(km)
74. 74. Time space
75. 75. Flow Pattern: Time Space Dimension Orellana, Daniel, Arnold K. Bregt, Arend Ligtenberg, and Monica Wachowicz. 2012. "Exploring visitor movement patterns in natural recreational areas." Tourism Management
76. 76. Exploratory data analysis of activity diary data: a space-time GIS approach, Journal of Transport Geography, 19(3), 394-404. Yin, L., Shaw, S-L. and Yu, H. 2011.
77. 77. Carpool Home Home Work Lunch Work Carpool Bus Shopping Car Daycare Car School time Bus
78. 78.
79. 79. Node: 492 Edges: 2105 Density: 0.009 Average Degree: 4.278 Diameter: 6 Morning (9-12)
80. 80. Node: 654 Edges: 3142 Density: 0.007 Average Degree: 0.772 Diameter: 7 Evening (20-24)
81. 81. 3rd level Social Networks Information Network 2nd level Mobile Network 1st level Roads network Transport network
82. 82.
83. 83. 82
84. 84. 83
85. 85. 84
86. 86.