8.01x - Lect 7 - Weight, Weightlessness in Free Fall, Weight in Orbit
47:58
8.01x - Lect 8 - Friction
49:16
8.01x - Lect 6 - Newton's Laws
28:28
Russell's Paradox - a simple explanation of a profound problem
15:35
Gravity is not a force. But what does that mean?
11:40
Watching a Rocket Launch at SpaceX with Elon Musk!
1:00:18
Gravity, Pendulums, and the Conservation of Energy
1:06:19
Leonard Susskind on Richard Feynman, the Holographic Principle, and Unanswered Questions in Physics
1:10:08