0_Apprentice
I'm obsessed with filming. 
1_Wizard
Cinematograpy is awesome!  It is the science or art of motion-picture photography by recording light or other electromagnetic radiation
0_Apprentice
How do cinematographers record light? 
1_Wizard
They typically do it electronically by means of an image sensor, or chemically by means of a light-sensitive material such as film stock.
0_Apprentice
Where does the word cinematography come from?
1_Wizard
The actual word "cinematography" was created from the Greek words "kinema", meaning "movement, motion" and "graphein" which means "to record"
0_Apprentice
Why were films only made in black & white during the early days?