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Longest Videos

Below is a list of the longest videos on Khan Academy.

1. 2011 Roundtable at Stanford: Education Nation 2.0 (1 hr 32 min 15 sec)
2. Salman Khan Talk at the MIT Club of Northern California (1 hr 23 min 28 sec)
3. Meet Me | Art Making Programs for Individuals with Dementia (1 hr 20 min 40 sec)
4. LinkedIn Speaker Series Salman Khan (1 hr 14 min 54 sec)
5. Meet Me | Art Discussion Programs for Individuals with Dementia (1 hr 9 min 8 sec)
6. Authors@Google: Salman Khan (1 hr 4 min 58 sec)
7. A Conversation with Thomas Friedman (1 hr 2 min 25 sec)
8. Thomas Friedman - Author (1 hr 2 min 25 sec)
9. Salman Khan talk at Castilleja School on January 5th, 2010 (58 min 26 sec)
10. Salman Khan Interview with Mixergy.com (58 min 25 sec)
11. Khan Academy chats with teachers - Oct 11, 2012 (58 min 5 sec)
12. After Words: "The One World Schoolhouse: Education Reimagined" (52 min 57 sec)
13. Sal's interview on the One World Schoolhouse (C-SPAN 2 After Words) (52 min 45 sec)
14. Radio Interview: Sal Khan on Diane Rehm (Oct 3, 2012) (50 min 56 sec)
15. A Conversation with Elon Musk (48 min 42 sec)
16. Elon Musk - CEO of Tesla Motors and SpaceX (48 min 42 sec)
17. Salman Khan interviewed on NPR's On Point (47 min 50 sec)
18. Sal Khan Interview with IT Conversations - January 31,2010 (44 min 26 sec)
19. Scott Cook - Founder and Chairman of the Executive Committee, Intuit (43 min 27 sec)
20. A Conversation with The Foundation for Excellence in Education (39 min 58 sec)
21. Salman Khan at TiEcon 2011 (39 min 8 sec)
22. Verbal Answers to "Ask Me Anything" on Reddit (37 min 18 sec)
23. Videocast with Sal Khan: Effectively Using Khan Academy (36 min 22 sec)
24. A Conversation with US Secretary of Education Arne Duncan (36 min 15 sec)
25. A Conversation with Davis Guggenheim (34 min 3 sec)
26. Davis Guggenheim - Filmmaker (34 min 3 sec)
27. Sal Khan at Adobe Digital Marketing Summit 2013 (32 min 19 sec)
28. The hidden masters of the Middle Ages: the Limbourg brothers (29 min 17 sec)
29. Lin Alg: Changing coordinate systems to help find a transformation matrix (28 min 59 sec)
30. Sal Khan (with a severe cold!) on Future Talk (28 min 31 sec)
31. Reconciling Thermodynamic and State Definitions of Entropy (28 min 26 sec)
32. DNA (28 min 5 sec)
33. Phases of Meiosis (27 min 23 sec)
34. Haitian Revolution (Part 1) (27 min 15 sec)
35. Lin Alg: Example using orthogonal change-of-basis matrix to find transformation matrix (27 min 4 sec)
36. Lin Alg: Representing vectors in Rn using subspace members (27 min)
37. Microsoft CEO Summit Innovation in Education (26 min 53 sec)
38. Khan Academy's Vision in the Classroom (26 min 26 sec)
39. Khan Academy's Vision in the Classroom (26 min 26 sec)
40. Introduction to the Normal Distribution (26 min 24 sec)
41. Normal Distribution Excel Exercise (26 min 4 sec)
42. Determining whether a transformation is onto (25 min 51 sec)
43. Linear Algebra: Vector Examples (25 min 33 sec)
44. Workshop presentation: Suney's class (25 min 28 sec)
45. Punnett Square Fun (25 min 16 sec)
46. Null Space and Column Space Basis (25 min 13 sec)
47. Defining the angle between vectors (25 min 11 sec)
48. Calculus Graphing with Derivatives Example (25 min 8 sec)
49. Linear Algebra: Parametric Representations of Lines (24 min 46 sec)
50. Khan Academy Vision and Social Return (24 min 42 sec)
51. Laplace Transform of the Unit Step Function (24 min 15 sec)
52. Answers for Malibu Magazine (23 min 30 sec)
53. French Revolution (Part 3) - Reign of Terror (23 min 29 sec)
54. Linear Subspaces (23 min 29 sec)
55. Linear Algebra: Rowspace and Left Nullspace (23 min 18 sec)
56. Viruses (23 min 17 sec)
57. Extreme Derivative Word Problem (advanced) (23 min 13 sec)
58. Proof: Invertibility implies a unique solution to f(x)=y (22 min 41 sec)
59. Introduction to the Surface Integral (22 min 14 sec)
60. THIS IS ISA GENZKEN | MoMA (22 min 13 sec)
61. The history of everything - TED (22 min 11 sec)
62. Linear Algebra: Orthogonal Complements (22 min 8 sec)
63. Michelangelo's Ceiling of the Sistine Chapel (22 min 3 sec)
64. Napoleon and the War of the Third Coalition (21 min 52 sec)
65. Linear Algebra: Determinant and area of a parallelogram (21 min 37 sec)
66. Questions from Superinteressante (8-22-2011) (21 min 36 sec)
67. Lin Alg: Another Example of a Projection Matrix (21 min 35 sec)
68. Proof: Any subspace basis has same number of elements (21 min 35 sec)
69. FRB Commentary 3: Big Picture (21 min 27 sec)
70. Linear Algebra: Showing that Inverses are Linear (21 min 25 sec)
71. Salman Khan on Charlie Rose (21 min 11 sec)
72. Visualizing a Column Space as a Plane in R3 (21 min 11 sec)
73. Matrix Vector Products (21 min 10 sec)
74. Asymptotes of Rational Functions (21 min 6 sec)
75. Introduction to the atom (21 min 5 sec)
76. Parts of a cell (21 min 3 sec)
77. Carnot Cycle and Carnot Engine (20 min 53 sec)
78. Scientific Notation (old) (20 min 48 sec)
79. How Earth's Tilt Causes Seasons (20 min 47 sec)
80. Salman Khan on Oregon Public Broadcasting (20 min 44 sec)
81. Phases of Mitosis (20 min 42 sec)
82. Linear Combinations and Span (20 min 35 sec)
83. Helper T Cells (20 min 33 sec)
84. The Lungs and Pulmonary System (20 min 33 sec)
85. Calculus: Graphing Using Derivatives (20 min 31 sec)
86. Salman Khan talk at TED 2011 (from ted.com) (20 min 27 sec)
87. Napoleon's Peninsular Campaigns (20 min 22 sec)
88. Salman Khan on Charlie Rose 2013 (20 min 19 sec)
89. Photosynthesis: Light Reactions 1 (20 min 16 sec)
90. Linear Algebra: Determinant as Scaling Factor (20 min 9 sec)
91. Salman Khan Speaks at GEL (Good Experience Live) Conference (20 min 5 sec)
92. Linear Algebra: Matrix condition for one-to-one trans (19 min 59 sec)
93. Embryonic Stem Cells (19 min 54 sec)
94. Variation in a Species (19 min 51 sec)
95. Lin Alg: Visualizations of Left Nullspace and Rowspace (19 min 50 sec)
96. Linear Alg: Rowspace Solution to Ax=b example (19 min 38 sec)
97. Green's Theorem Proof (part 2) (19 min 26 sec)
98. Linear Algebra: The Gram-Schmidt Process (19 min 24 sec)
99. States of Matter (19 min 24 sec)
100. Gerhard Richter, September (19 min 23 sec)