3:19
When a physics teacher knows his stuff !!
4:49
Kinetic Energy and Potential Energy
15:54
Lenz's Law
12:35
Did The Future Already Happen? - The Paradox of Time
22:59
The Dome Paradox: A Loophole in Newton's Laws
13:18
Kinetic Energy and Potential Energy
18:27
Richard Feynman: Can Machines Think?
9:58