18:00

Ch 16 Sound And Music P2

1:06:14

Waves and Sound

22:50

Ch 17 Light P2

23:01

CH 20 Electricity P3

20:14

Ch 16 Sound And Music P3

20:43

Simon Sinek's Advice Will Leave You SPEECHLESS 2.0 (MUST WATCH)

42:44

How MRI Works - Part 1 - NMR Basics

11:07

Ch 18 Refraction Of Light P2