Production of light
4:59
Ray diagrams for convex mirrors
10:18
Ray diagrams for concave mirrors
9:57
Grade 10 Optics, Lesson 1 - Light as Waves
9:41
What is Sound? The Fundamental Science Behind Sound
9:13
Why you should care about light pollution
13:37
Una explicación realmente buena sobre los moles
12:37
Una buena explicacion de Resonancia
1:03:43