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Why we have blind spots - and how to see the blood vessels inside your own eye!

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Uploaded on Dec 9, 2011

I've made a lot of videos about juggling (and will continue to!) as well as minecraft. This is the first video I've made about a passion of mine that's larger than the other two combined - science! I hope to create videos which explain scientific phenomena at a well-researched middle level of detail.

I am studying cognitive neuroscience at Brown University, and the trick in this video was shown to me by Professor David Sheinberg. A big thanks goes to him for all the awesome stuff he's taught me!

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  1. 9

    How pupils are holographic and stars can be pupil-shaped

  2. 10

    Gravity room juggling illusion

  3. 11

    "Riesen's Rebound" - new trick? Juggling Tutorial #39

  4. 12

    The Arrow of Asai: Juggling Tutorial #38

  5. 13

    Indian Ringneck Parakeet likes noses, noises, and... eggs

  6. 14

    On days like these, gravity seems too slow...

  7. 15

    Playing With Four

  8. 16

    Learning to JUGgle

  9. 17

    N-Box: Juggling Tutorial 44

  10. 18

    Olas: Juggling Tutorial 43

  11. 19

    Hotter objects are actually bigger! Also: how thermostats work

  12. 20

    Juggling in Switzerland

  13. 21

    Where is Sunset?

  14. 22

    All of This Paper is Lying Flat (Illusion)

  15. 23

    Functional Lucid Dreaming: How to Have and Enjoy Lucid Dreams

  16. 24

    Magnet refuses to flip over like a coin. What's going on here?

  17. 25

    Advanced Slow Motion Juggling

  18. 26

    Update! New channel: Explaincast. More science videos are already there!

  19. 27

    Why alcohol makes your head spin

  20. 28

    How to see white blood cells in your eye - the Blue Field Entoptic Phenomenon

  21. Why we have blind spots - and how to see the blood vessels inside your own eye!

  22. 30

    Gyroscopic soda bottle glider tutorial - a fun DIY toy!

  23. 31

    Full Color TV Hatch Concept

  24. 32

    Minecart Fishing - Full Featured Minecraft Mini-Game!

  25. 33

    Glitchless Water Control System

  26. 34

    Compact Minecart Sorter / Runaway Cart Brake

  27. 35

    Boat-Mediated Secret Entrance, AKA How to Downboat.

  28. 36

    Semi-automatic seed planting and fertilizing wheat farm with auto-harvest. Super efficient!

  29. 37

    How to Build Floating Platforms and Roofs Efficiently (Minecraft)

  30. 38

    The Ultimate SMP chest hiding system! No one will ever find it.

  31. 39

    Helical Water-Harvested Wheat Farm, with despawn loss prevention (Minecraft)

  32. 40

    Minecraft Proximity Mine. Very difficult to detect SMP trap!

  33. 41

    Advanced Minecraft Vending Machine - now with COIN RETURN!

  34. 42

    Advanced Minecraft Vending Machine - takes payment, handles being out of stock!

  35. 43

    Dirt-Powered Automatic-Departure Minecart Station (Minecraft)

  36. 44

    Nelson's Nemesis: Juggling Tutorial 42

  37. 45

    Boston Shuffle and Yo-Yo Variation: Juggling Tutorial 41

  38. 46

    Reverse Factory: Juggling Tutorial 40

  39. 47

    Exploring Five Ball Multiplex Splits

  40. 48

    Five Ball Reverse Cascade Multiplex Splits: Juggling Tutorial 39

  41. 49

    Snapshot of My Current Juggling Abilities

  42. 50

    "Four Ball Cascade": Juggling Tutorial 37

  43. 51

    Disappearing Ball Trick: Juggling Tutorial 36

  44. 52

    Forked Slams: Jugging Tutorial 35

  45. 53

    Head Orbits: Juggling Tutorial 34

  46. 54

    Shower Tossouts: Juggling Tutorial 33

  47. 55

    Riesen Castle (Minecraft)

  48. 56

    Unweave (Time Reversed Weave): Juggling Tutorial 32

  49. 57

    Statue of Liberty: Juggling Tutorial 31

  50. 58

    Inside Elbow Stall: Juggling Tutorial 30

  51. 59

    441 Mills Mess: Juggling Tutorial 29

  52. 60

    441: Juggling Tutorial 28

  53. 61

    Bhanu's Cupboard

  54. 62

    Cardboard Marionette

  55. 63

    Flight of Fancy

  56. 64

    Sock Animation Proof of Concept

  57. 65

    Self Portrait

  58. 66

    Reverse Mills Mess (In Time): Juggling Tutorial 27

  59. 67

    Manghams Mangle: Juggling Tutorial 26

  60. 68

    Forked Cascade: Juggling Tutorial 25

  61. 69

    Windshield Wipers: Juggling Tutorial 24

  62. 70

    Symmetrical Georgian Shuffle: Juggling Tutorial 23

  63. 71

    The Waterfall: Juggling Tutorial 22

  64. 72

    The Drop Box: Juggling Tutorial 21

  65. 73

    The Box: Juggling Tutorial 20

  66. 74

    The Weave: Juggling Tutorial 19

  67. 75

    Basic Contact Juggling Routine

  68. 76

    Why Indian Ringneck Parakeets Are Cute

  69. 77

    Three Ball Starts & Finishes - Juggling Tutorial 18

  70. 78

    Four Ball Mills Mess Tutorial

  71. 79

    Bottle Juggling

  72. 80

    Penguin Splits: Juggling Tutorial 17

  73. 81

    Clowning Around

  74. 82

    Re: 4 ball CHALLENGE

  75. 83

    False Mills Mess: Juggling Tutorial 16

  76. 84

    Time Reversed Juggling Patterns

  77. 85

    Triazzle: Juggling Tutorial 15

  78. 86

    The Fork Lift: Juggling Tutorial 14

  79. 87

    Slap That Penguin: Juggling Tutorial 13

  80. 88

    Four Ways to Learn Mills Mess (pt. 2)

  81. 89

    Four Ways to Learn Mills Mess (pt. 1)

  82. 90

    The Shuffle: Juggling Tutorial 11

  83. 91

    The Georgian Shuffle: Juggling Tutorial 10

  84. 92

    Fairly Obscure Juggling Patterns

  85. 93

    The Truffle Shuffle: Juggling Tutorial 9

  86. 94

    The Contortionist: Juggling Tutorial 8

  87. 95

    Boston Mess & Cherry Picker: Juggling Tutorial 7

  88. 96

    The Sandbox Shuffle: Juggling Tutorial 6

  89. 97

    Freestyle Three Ball Juggling

  90. 98

    Rubenstein's and Romeo's Revenge: Juggling Tutorial 5

  91. 99

    Glow Ball Juggling Routine Practice

  92. 100

    Rubenstein's Revenge and Romeo's

  93. 101

    The Windmill and Burke's Barrage: Juggling Tutorial 4

  94. 102

    The Yoyo and One-up-two-up Families: Juggling Tutorial 3

  95. 103

    Overhand, Underhand and Two In One Hand: Juggling Tutorial 2

  96. 104

    How to Juggle The Three Ball Cascade: Juggling Tutorial 1

  97. 105

    Some of the Harder Juggling Moves I Can Do

  98. 106

    Three Ball Juggling From Below

  99. 107

    Three Ball Glow Juggling

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