Lecture 111: The Relativistic Origins of Magnetism
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29:24
But why would light "slow down"? | Visualizing Feynman's lecture on the refractive index
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27:15
The Most Misunderstood Concept in Physics
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1:58:15
Special Relativity | Lecture 1
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1:22:40
Magnetism, Magnetic Field Force, Right Hand Rule, Ampere's Law, Torque, Solenoid, Physics Problems
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28:33
Terence Tao on how we measure the cosmos | The Distance Ladder Part 1
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32:44
The Closest We’ve Come to a Theory of Everything
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1:03:43
Cómo hablar
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21:34