L11.2 Transition rates for stimulated emission and absorption processes
20:55
L11.3 Ionization of hydrogen: conditions of validity, initial and final states
27:26
This open problem taught me what topology is
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L9.1 The interaction picture and time evolution
22:59
The Dome Paradox: A Loophole in Newton's Laws
11:25
Physicist Despairs over Vacuum Energy
14:07
Spontaneous and Stimulated Emission - Laser in Physics - Physics 2
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Gödel's Incompleteness Theorem - Numberphile
25:06