Is the earth spherical or flat? Airlines tell us the answer — Transcript

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1. 0:01okay i want to make a simple
2. 0:03video showing a way that you can verify
3. 0:06that the earth is indeed round
4. 0:08and i'm going to talk you through my
5. 0:10reasoning here we go
6. 0:12if you just looked at the northern
7. 0:14hemisphere you can see there's not a
8. 0:16whole lot of difference because
9. 0:18the the flat earth
10. 0:21model shows the northern hemisphere in
11. 0:24the center and it's
12. 0:25not very different but if you look at
13. 0:27the southern hemisphere now these
14. 0:29what's called the southern ocean which
15. 0:30goes around antarctica
16. 0:32now becomes this huge ring which
17. 0:34encompasses all of what we call
18. 0:36the northern hemisphere right here so it
19. 0:39should be
20. 0:40easy to find differences between
21. 0:43places that are in the southern
22. 0:44hemisphere and
23. 0:46one way you can do that is with a by
24. 0:49looking at a mercator map
25. 0:51which stretches out things equally from
26. 0:53the northern hemisphere in the southern
27. 0:54hemisphere to represent
28. 0:55a round globe on a flat surface
29. 0:59but in a very different way than than
30. 1:02a flat earth model
31. 1:05the way i'm going to do that is by
32. 1:06looking at two round the world trips
33. 1:08one in the northern hemisphere going
34. 1:11from shanghai
35. 1:12to los angeles to new york city to dubai
36. 1:15and back to shanghai
37. 1:17versus around the world trip from sydney
38. 1:20australia
39. 1:21santiago chile sao paulo brazil
40. 1:23johannesburg and then back to sydney
41. 1:26and on the flat earth model it's pretty
42. 1:29easy to tell that it's
43. 1:30it would be a much much longer trip
44. 1:32doing this in the southern hemisphere
45. 1:34between these
46. 1:34cities in red versus the
47. 1:38much shorter trip in the northern
48. 1:39hemisphere
49. 1:42on the mercator projection map the map
50. 1:44the trips look about
51. 1:46equal where because they're both about
52. 1:49the same distance from the equator and i
53. 1:51tried to
54. 1:51pick roots that would keep about the
55. 1:53same distance from the equator
56. 1:55so on a rounder model you expect the
57. 1:56times to be about the same
58. 1:59while in the flat earth model the
59. 2:01southern hemisphere around the world
60. 2:02trip should take a lot longer
61. 2:05that's what it is you can you can check
62. 2:07this yourself i used the
63. 2:09website kayak and i mapped out
64. 2:12uh all eight of these trips
65. 2:15for the northern hemisphere and the four
66. 2:17in the southern uh here example is
67. 2:19sydney to santiago chile
68. 2:22and going from sydney to santiago chile
69. 2:26it's between 12 and a half hours and 13
70. 2:29and a quarter hours so i kind of
71. 2:30averaged them out
72. 2:31and then i also looked at the reverse
73. 2:33trip which would be from
74. 2:35santiago to sydney that's longer because
75. 2:37you're going against the
76. 2:39the prevailing headwinds there and i
77. 2:42mapped them all out
78. 2:43and shanghai to los angeles los angeles
79. 2:45jfk here we go
80. 2:47um and the total for that trip would be
81. 2:49about 40 hours and 58 minutes
82. 2:52in the southern hemisphere which the
83. 2:54flat earth model which says
84. 2:55should take much much longer actually is
85. 2:57a slightly less a little less than
86. 2:59about an hour less so which makes no
87. 3:02sense
88. 3:03in a flat earth model so here are the
89. 3:05times all written out
90. 3:07if you want to pause this and take a
91. 3:09look at those times
92. 3:10and check them all you want if you'd
93. 3:12like one
94. 3:14just as an example if you just want to
95. 3:15look at a couple from new york to dubai
96. 3:19and sydney to santiago on this map it
97. 3:22looks about right they look about the
98. 3:24same
99. 3:24distance and sure enough they should
100. 3:26take about the same amount of time but
101. 3:27on the flat earth model
102. 3:29there's no way that the sydney de
103. 3:31santiago trip
104. 3:33should take just 10 minutes more than
105. 3:35new york to dubai
106. 3:38if you were to measure this out put your
107. 3:39hand up to the screen and you'll see
108. 3:41that it's actually twice as long the
109. 3:42line the red one here um
110. 3:46if you want to check something even
111. 3:47easier from los angeles to sydney
112. 3:49on a flat earth model should take much
113. 3:52less than going from sydney to santiago
114. 3:54right it looks like maybe seven hours
115. 3:58on this map but in fact if you actually
116. 4:02look up the trip it's actually a longer
117. 4:04trip
118. 4:05going from los angeles to sydney i
119. 4:07average it out and it comes out to 14
120. 4:09hours and 32
121. 4:10going both directions and cut it in half
122. 4:14so why on a flat earth model
123. 4:17can you explain would it take longer to
124. 4:19go from los angeles to sydney
125. 4:21than it would take going from santiago
126. 4:23chile
127. 4:24to sydney and that's ignoring the fact
128. 4:26that if you were to go on a flat earth
129. 4:27model
130. 4:28you would expect to have to go over
131. 4:30north america unless you went way around
132. 4:33and you would never go anywhere near for
133. 4:35example
134. 4:37new zealand which is off this map
135. 4:40and that is the basics but if you want
136. 4:43to just check
137. 4:44if you look on google earth you can
138. 4:45actually measure the distance between
139. 4:47los angeles and sydney
140. 4:48twelve thousand and fifty miles and
141. 4:51sydney to santiago is
142. 4:53eleven thousand three sixty two which
143. 4:55explains why it's actually a shorter
144. 4:56trip