What If? Serious Scientific Answers to Absurd Hypothetical Questions

Compilation by Randall Munroe & Wil Wheaton

About

Disc 1

  1. 1.
    Introduction
    3:16
  2. 2.
    Chapter 1 - Global Windstorm - Part 1
    2:59
  3. 3.
    Chapter 1 - Global Windstorm - Part 2
    2:26
  4. 4.
    Chapter 1 - Global Windstorm - Part 3
    2:36
  5. 5.
    Chapter 2 - Relativistic Baseball - Part 1
    2:20
  6. 6.
    Chapter 2 - Relativistic Baseball - Part 2
    2:20
  7. 7.
    Chapter 3 - Spent Fuel Pool - Part 1
    2:38
  8. 8.
    Chapter 3 - Spent Fuel Pool - Part 2
    2:23
  9. 9.
    Weird and Worrying Questions from the What-if? Inbox - Part 1
    0:40
  10. 10.
    Chapter 4 - New York-style Time Machine - Part 1
    2:53
  11. 11.
    Chapter 4 - New York-style Time Machine - Part 2
    2:46
  12. 12.
    Chapter 4 - New York-style Time Machine - Part 3
    3:02
  13. 13.
    Chapter 4 - New York-style Time Machine - Part 4
    2:59
  14. 14.
    Chapter 4 - New York-style Time Machine - Part 5
    3:00
  15. 15.
    Chapter 5 - Soul Mates - Part 1
    2:44
  16. 16.
    Chapter 5 - Soul Mates - Part 2
    3:54
  17. 17.
    Chapter 6 - Laser Pointer - Part 1
    2:43
  18. 18.
    Chapter 6 - Laser Pointer - Part 2
    2:46
  19. 19.
    Chapter 6 - Laser Pointer - Part 3
    2:53
  20. 20.
    Chapter 6 - Laser Pointer - Part 4
    2:42
  21. 21.
    Chapter 7 - Periodic Wall of the Elements - Part 1
    2:47
  22. 22.
    Chapter 7 - Periodic Wall of the Elements - Part 2
    2:48
  23. 23.
    Chapter 7 - Periodic Wall of the Elements - Part 3
    2:54
  24. 24.
    Chapter 7 - Periodic Wall of the Elements - Part 4
    3:10
  25. 25.
    Chapter 8 - Everybody Jump - Part 1
    2:26
  26. 26.
    Chapter 8 - Everybody Jump - Part 2
    2:06

Disc 2

  1. 1.
    Chapter 9 - A Mole of Moles - Part 1
    2:43
  2. 2.
    Chapter 9 - A Mole of Moles - Part 2
    3:00
  3. 3.
    Chapter 9 - A Mole of Moles - Part 3
    2:51
  4. 4.
    Chapter 10 - Hair Dryer - Part 1
    2:51
  5. 5.
    Chapter 10 - Hair Dryer - Part 2
    2:51
  6. 6.
    Chapter 10 - Hair Dryer - Part 3
    3:41
  7. 7.
    Weird and Worrying Questions from the What-if? Inbox - Part 2
    0:38
  8. 8.
    Chapter 11 - The Last Human Light - Part 1
    3:02
  9. 9.
    Chapter 11 - The Last Human Light - Part 2
    2:43
  10. 10.
    Chapter 11 - The Last Human Light - Part 3
    2:40
  11. 11.
    Chapter 11 - The Last Human Light - Part 4
    2:26
  12. 12.
    Chapter 12 - Machine-Gun Jetpack - Part 1
    2:59
  13. 13.
    Chapter 12 - Machine-Gun Jetpack - Part 2
    2:24
  14. 14.
    Chapter 12 - Machine-Gun Jetpack - Part 3
    2:22
  15. 15.
    Chapter 13 - Rising Steadily - Part 1
    2:48
  16. 16.
    Chapter 13 - Rising Steadily - Part 2
    2:26
  17. 17.
    Weird and Worrying Questions from the What-if? Inbox - Part 3
    0:34
  18. 18.
    Chapter 14 - Orbital Submarine - Part 1
    3:01
  19. 19.
    Chapter 14 - Orbital Submarine - Part 2
    3:18
  20. 20.
    Chapter 15 - Short-Answer Section - Part 1
    2:42
  21. 21.
    Chapter 15 - Short-Answer Section - Part 2
    2:13
  22. 22.
    Chapter 15 - Short-Answer Section - Part 3
    2:01
  23. 23.
    Chapter 16 - Lightning - Part 1
    2:40
  24. 24.
    Chapter 16 - Lightning - Part 2
    2:21
  25. 25.
    Chapter 16 - Lightning - Part 3
    2:19
  26. 26.
    Weird and Worrying Questions from the What-if? Inbox - Part 4
    0:31
  27. 27.
    Chapter 17 - Human Computer - Part 1
    2:46
  28. 28.
    Chapter 17 - Human Computer - Part 2
    2:42
  29. 29.
    Chapter 17 - Human Computer - Part 3
    2:54
  30. 30.
    Chapter 17 - Human Computer - Part 4
    2:39

Disc 3

  1. 1.
    Chapter 18 - Little Planet - Part 1
    2:48
  2. 2.
    Chapter 18 - Little Planet - Part 2
    3:25
  3. 3.
    Chapter 19 - Steak Drop - Part 1
    2:56
  4. 4.
    Chapter 19 - Steak Drop - Part 2
    2:45
  5. 5.
    Chapter 19 - Steak Drop - Part 3
    3:22
  6. 6.
    Chapter 20 - Hockey Puck - Part 1
    3:06
  7. 7.
    Chapter 21 - Common Cold - Part 1
    2:50
  8. 8.
    Chapter 21 - Common Cold - Part 2
    2:25
  9. 9.
    Chapter 21 - Common Cold - Part 3
    2:08
  10. 10.
    Chapter 22 - Glass Half Empty - Part 1
    2:52
  11. 11.
    Chapter 22 - Glass Half Empty - Part 2
    3:14
  12. 12.
    Weird and Worrying Questions from the What-if? Inbox - Part 5
    0:48
  13. 13.
    Chapter 23 - Alien Astronomers - Part 1
    2:58
  14. 14.
    Chapter 23 - Alien Astronomers - Part 2
    2:46
  15. 15.
    Chapter 24 - No More DNA - Part 1
    2:58
  16. 16.
    Chapter 24 - No More DNA - Part 2
    2:41
  17. 17.
    Chapter 24 - No More DNA - Part 3
    2:36
  18. 18.
    Chapter 25 - Interplanetary Cessna - Part 1
    2:49
  19. 19.
    Chapter 25 - Interplanetary Cessna - Part 2
    2:43
  20. 20.
    Chapter 25 - Interplanetary Cessna - Part 3
    2:59
  21. 21.
    Weird and Worrying Questions from the What-if? Inbox - Part 6
    0:37
  22. 22.
    Chapter 26 - Yoda - Part 1
    3:49
  23. 23.
    Chapter 27 - Flyover State - Part 1
    2:57
  24. 24.
    Chapter 27 - Flyover State - Part 2
    3:18
  25. 25.
    Chapter 28 - Falling with Helium - Part 1
    2:38
  26. 26.
    Chapter 28 - Falling with Helium - Part 2
    2:19

Disc 4

  1. 1.
    Chapter 29 - Everybody Out - Part 1
    2:45
  2. 2.
    Chapter 29 - Everybody Out - Part 2
    2:34
  3. 3.
    Chapter 29 - Everybody Out - Part 3
    2:22
  4. 4.
    Weird and Worrying Questions from the What-if? Inbox - Part 7
    0:49
  5. 5.
    Chapter 30 - Self-Fertilization - Part 1
    2:50
  6. 6.
    Chapter 30 - Self-Fertilization - Part 2
    3:03
  7. 7.
    Chapter 30 - Self-Fertilization - Part 3
    3:00
  8. 8.
    Chapter 30 - Self-Fertilization - Part 4
    2:55
  9. 9.
    Chapter 31 - High Throw - Part 1
    2:47
  10. 10.
    Chapter 31 - High Throw - Part 2
    2:37
  11. 11.
    Chapter 32 - Lethal Neutrinos - Part 1
    2:42
  12. 12.
    Chapter 32 - Lethal Neutrinos - Part 2
    3:09
  13. 13.
    Weird and Worrying Questions from the What-if? Inbox - Part 8
    1:00
  14. 14.
    Chapter 33 - Speed Bump - Part 1
    2:46
  15. 15.
    Chapter 33 - Speed Bump - Part 2
    3:14
  16. 16.
    Chapter 34 - Lost Immortals - Part 1
    2:49
  17. 17.
    Chapter 34 - Lost Immortals - Part 2
    2:57
  18. 18.
    Chapter 35 - Orbital Speed - Part 1
    2:47
  19. 19.
    Chapter 35 - Orbital Speed - Part 2
    2:17
  20. 20.
    Chapter 35 - Orbital Speed - Part 3
    2:07
  21. 21.
    Chapter 36 - FedEx Bandwidth - Part 1
    3:45
  22. 22.
    Chapter 37 - Free Fall - Part 1
    2:16
  23. 23.
    Chapter 37 - Free Fall - Part 2
    2:14
  24. 24.
    Weird and Worrying Questions from the What-if? Inbox - Part 9
    1:38
  25. 25.
    Chapter 38 - Sparta - Part 1
    2:56
  26. 26.
    Chapter 38 - Sparta - Part 2
    2:29

Disc 5

  1. 1.
    Chapter 39 - Drain the Oceans - Part 1
    2:47
  2. 2.
    Chapter 39 - Drain the Oceans - Part 2
    2:51
  3. 3.
    Chapter 40 - Drain the Oceans: Part II - Part 1
    2:16
  4. 4.
    Chapter 40 - Drain the Oceans: Part II - Part 2
    2:23
  5. 5.
    Chapter 41 - Twitter - Part 1
    2:47
  6. 6.
    Chapter 41 - Twitter - Part 2
    2:07
  7. 7.
    Chapter 41 - Twitter - Part 3
    2:00
  8. 8.
    Chapter 42 - Lego Bridge - Part 1
    2:54
  9. 9.
    Chapter 42 - Lego Bridge - Part 2
    3:59
  10. 10.
    Chapter 43 - Longest Sunset - Part 1
    2:48
  11. 11.
    Chapter 43 - Longest Sunset - Part 2
    3:01
  12. 12.
    Chapter 44 - Random Sneeze Call - Part 1
    3:10
  13. 13.
    Weird and Worrying Questions from the What-if? Inbox - Part 10
    0:51
  14. 14.
    Chapter 45 - Expanding Earth - Part 1
    2:48
  15. 15.
    Chapter 45 - Expanding Earth - Part 2
    2:44
  16. 16.
    Chapter 45 - Expanding Earth - Part 3
    3:01
  17. 17.
    Chapter 45 - Expanding Earth - Part 4
    3:04
  18. 18.
    Chapter 46 - Weightless Arrow - Part 1
    2:12
  19. 19.
    Chapter 46 - Weightless Arrow - Part 2
    2:16
  20. 20.
    Chapter 47 - Sunless Earth - Part 1
    2:21
  21. 21.
    Chapter 47 - Sunless Earth - Part 2
    2:03
  22. 22.
    Chapter 48 - Updating a Printed Wikipedia - Part 1
    2:00
  23. 23.
    Chapter 48 - Updating a Printed Wikipedia - Part 2
    2:21

Disc 6

  1. 1.
    Chapter 49 - Facebook of the Dead - Part 1
    2:57
  2. 2.
    Chapter 49 - Facebook of the Dead - Part 2
    3:55
  3. 3.
    Chapter 50 - Sunset on the British Empire - Part 1
    3:43
  4. 4.
    Chapter 51 - Stirring Tea - Part 1
    3:01
  5. 5.
    Chapter 51 - Stirring Tea - Part 2
    2:55
  6. 6.
    Chapter 52 - All the Lightning - Part 1
    2:43
  7. 7.
    Chapter 52 - All the Lightning - Part 2
    3:47
  8. 8.
    Chapter 53 - Loneliest Human - Part 1
    2:56
  9. 9.
    Chapter 53 - Loneliest Human - Part 2
    2:20
  10. 10.
    Weird and Worrying Questions from the What-if? Inbox - Part 11
    0:33
  11. 11.
    Chapter 54 - Raindrop - Part 1
    2:56
  12. 12.
    Chapter 54 - Raindrop - Part 2
    2:47
  13. 13.
    Chapter 55 - SAT Guessing - Part 1
    3:01
  14. 14.
    Chapter 56 - Neutron Bullet - Part 1
    2:42
  15. 15.
    Chapter 56 - Neutron Bullet - Part 2
    3:00
  16. 16.
    Chapter 56 - Neutron Bullet - Part 3
    2:51
  17. 17.
    Chapter 56 - Neutron Bullet - Part 4
    2:52
  18. 18.
    Weird and Worrying Questions from the What-if? Inbox - Part 12
    0:59
  19. 19.
    Chapter 57 - Richter 15 - Part 1
    2:45
  20. 20.
    Chapter 57 - Richter 15 - Part 2
    2:06

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