Ah yes indeed, I confused instantaneous power with total energy. I am unable to edit the previous comment. Regarding the slowing of film, yes indeed, you simpl

Ah yes indeed, I confused instantaneous power with total energy. I am unable to edit the previous comment. Regarding the slowing of film, yes indeed, you simply roll it faster . Digital is something new. I just wanted to point out that even with our 'old' tech, there are some mind-blowing things that we can observe till today. It's like giving a child a microscope.