Geometric Optics
43:17
Geometric Optics 2
2:11:45
EM Waves
12:05
How Optics Work - the basics of cameras, lenses and telescopes
22:59
Le paradoxe du dôme : une faille dans les lois de Newton
1:27:34
What is the Schrödinger Equation? A basic introduction to Quantum Mechanics
9:42
I was asked to keep this confidential
1:04:20
Ludovico Einaudi [relax, study, sleep, soft, calm, inspired piano medley]
1:24:37